Choosing a refrigerated trailer is not as simple as picking the longest unit your truck can pull.

A trailer may have enough floor space for your products and still be wrong for the business. The refrigeration system may not be designed for the temperature you need. The shelves may block airflow. The loaded trailer may exceed the tow vehicle’s payload. The power connection may not work at your normal events. You may even discover that the trailer is large on paper but awkward to load during a busy delivery route.

The right refrigerated trailer must do several jobs at once.

It needs enough usable space for your busiest realistic day. It must maintain the correct temperature in the conditions where you operate. It has to leave room for cold air to circulate. It must work with your loading process, your available electrical power, your tow vehicle, and the way you expect the business to grow.

That is why two businesses selling similar products may need completely different trailers.

A farmers market vendor making one trip each Saturday may be comfortable with a compact unit. A caterer opening the doors throughout a summer event needs more recovery capacity. A meat distributor carrying frozen products has different requirements from a florist transporting flowers or a bakery holding refrigerated desserts.

This guide explains how to calculate the space you need, compare common trailer sizes, account for refrigeration and power requirements, and avoid the mistakes that cause businesses to outgrow—or overload—their trailers.

Superior Trailer helps business owners throughout Virginia and North Carolina compare trailer dimensions, GVWR, payload, axles, doors, financing, parts, and ongoing trailer service. Contact the location nearest you to discuss current refrigerated-trailer availability, compatible configurations, and ordering options.

The Quick Answer

Choose your refrigerated trailer size by answering five questions:

1. What products will you carry?
2. What temperature must those products maintain?
3. How much product will you carry on your busiest normal day?
4. How frequently will the doors be opened?
5. What can your tow vehicle safely handle when everything is fully loaded?

Do not select a trailer based only on its exterior dimensions.

A 7-by-14-foot trailer with efficient shelving and a clear airflow path may provide more useful storage than a poorly organized 7-by-16. A larger trailer may also require a more powerful refrigeration system, more electrical capacity, a heavier tow vehicle, and a larger parking or event space.

The best trailer is not the one with the most empty room. It is the smallest configuration that can handle your real workload comfortably, maintain temperature reliably, and provide enough room for near-term growth.

Start With the Product You Need to Keep Cold

Before measuring cases, pans, pallets, or shelves, define what the trailer will carry.

Different products have different temperature requirements. Fresh produce, dairy products, prepared meals, raw meat, frozen food, flowers, beverages, pharmaceuticals, and specialty ingredients should not automatically be treated as the same refrigeration application.

For food businesses, the FDA Food Code uses 41°F or below as the cold-holding standard for many time-and-temperature-controlled foods. FDA consumer guidance recommends keeping refrigerators at 40°F or below and freezers at 0°F. The exact requirement for your business can depend on the product, local Food Code adoption, transportation rules, and the authority regulating your operation.

Begin by writing down:

• The products you will carry
• Required holding temperature
• Whether products are chilled or frozen
• Starting product temperature
• Length of each trip or event
• Number of deliveries or stops
• Expected outdoor temperatures
• Frequency and duration of door openings
• Whether different products require separate temperature zones
• Whether the trailer will be used while parked, while moving, or both

A trailer intended to hold beverages near refrigerator temperature does not necessarily need the same refrigeration package as a unit carrying frozen meat during a Virginia or North Carolina summer.

The temperature requirement should be settled before the trailer size and refrigeration unit are finalized.

A Refrigerated Trailer Is Usually Designed to Maintain Temperature

One of the most important facts to understand is that transport refrigeration equipment is generally designed to maintain properly cooled cargo—not rapidly cool large amounts of warm product.

Thermo King’s operating guidance states that products should be precooled before loading and that transport refrigeration systems are not intended to pull hot loads down to temperature. It also advises operators to precool the cargo compartment when required and avoid blocking evaporator inlets and outlets.

That means you should not plan to:

• Load hot catering pans directly from the kitchen
• Place warm produce in the trailer and expect rapid cooling
• Load room-temperature beverages immediately before an event
• Use a transport trailer as a replacement for a properly designed blast chiller
• Fill the trailer completely and assume the refrigeration system can cool through tightly packed cargo

Products should normally enter the trailer at or near their required transportation temperature.

This distinction affects sizing. If you routinely load warm cargo, you may need a different cooling process, additional refrigeration equipment, more preparation time, or professional guidance from a refrigeration specialist.

Calculate the Product Footprint Before Calculating Cubic Feet

Cubic footage is useful, but most small businesses do not load refrigerated trailers with loose cubic feet.

They load physical objects:

• Milk crates
• Produce boxes
• Meat cases
• Rolling racks
• Hotel pans
• Sheet-pan racks
• Beverage cases
• Floral carts
• Ingredient bins
• Pallets
• Kegs
• Catering carts
• Shelving systems

Measure those objects first.

For each container or rack, record:

• Length
• Width
• Height
• Loaded weight
• Number normally carried
• Maximum number carried during busy periods
• Whether it can be stacked
• Whether employees need access to it during the route

Then arrange the containers in your current cooler, warehouse, kitchen, garage, or taped-off floor area. This simple exercise can reveal more than a brochure.

Ask yourself:

• Can employees reach the products needed at the first stop?
• Will the entire trailer need to be unloaded to reach one container?
• Is there room to turn a cart?
• Can the rear door close without forcing cargo against it?
• Is room available around the evaporator?
• Can shelving be installed without narrowing the aisle too much?
• Where will empty containers go after deliveries?

A trailer that technically holds everything may still be too small if employees cannot work inside it efficiently.

How to Estimate Interior Volume

Once you know the cargo footprint, calculate the approximate interior volume.

Use:

Interior length × interior width × interior height = gross cubic volume

For example, an interior measuring 14 feet long, 6.5 feet wide, and 6.5 feet high would contain approximately:

14 × 6.5 × 6.5 = 591.5 cubic feet

That is gross volume—not usable storage.

The following items reduce practical capacity:

• Insulated walls and ceilings
• Refrigeration evaporator
• Wheel boxes
• Shelving
• Interior partitions
• Air curtains
• Floor drains
• E-track
• Door hardware
• Electrical equipment
• Generator or battery compartments
• Required airflow around the load
• Aisle space
• Space needed to load and unload safely

Never assume every cubic foot can be packed with product.

Cold air must move through the trailer. Thermo King’s equipment-selection and operating materials identify box dimensions, insulation, desired temperature, ambient conditions, door openings, and airflow as factors that affect system performance.

How Much Growth Space Should You Leave?

Do not buy only for your smallest month.

Use your busiest normal week as the baseline, then consider the growth you reasonably expect over the next several seasons.

That does not mean buying a huge trailer because the business might become much larger someday. Oversizing creates its own expenses:

• Higher purchase price
• Larger monthly payment
• Heavier empty weight
• More demanding tow-vehicle requirements
• Greater refrigeration load
• Higher power use
• More difficult parking
• More storage space
• Additional tire, brake, and axle costs

A practical growth allowance should cover foreseeable changes such as adding another farmers market, taking larger catering jobs, expanding a delivery route, or adding a product line.

It should not be based on an imaginary version of the company five or ten years from now.

Common Refrigerated Trailer Sizes

Refrigerated cargo trailers can be built in many dimensions, but smaller business applications generally fall into three useful planning groups.

These categories are not hard capacity guarantees. Interior dimensions, insulation, axle ratings, refrigeration equipment, and installed options vary by manufacturer.

Small Refrigerated Trailers: Approximately 6×10 to 6×12

A compact refrigerated trailer can work well for an owner who needs portability and modest cold-storage capacity.

Possible applications include:

• Farmers market inventory
• Small produce deliveries
• Packaged food
• Baked goods requiring refrigeration
• Floral transportation
• Beverage service
• Small private catering jobs
• Supplemental cold storage for events

Advantages

A smaller trailer generally costs less to purchase, weighs less, occupies less storage space, and is easier to maneuver through parking lots or crowded events.

It may also be compatible with a broader range of properly equipped tow vehicles.

Limitations

Small trailers fill quickly once shelving, insulation, refrigeration equipment, and an aisle are added.

They can also become frustrating when:

• Product must be organized by delivery stop
• Employees need to enter the trailer
• Multiple rolling racks are used
• The business carries bulky containers
• Seasonal volume changes significantly
• Doors are opened frequently

A 6-by-12 may be an excellent fit for a tightly organized weekly market operation. It may be too restrictive for a growing caterer who needs rolling racks, prep containers, drinks, and backup inventory in the same unit.

Mid-Size Refrigerated Trailers: Approximately 7×14 to 7×16

This range is often a sensible starting point for a business expecting regular commercial use.

Potential users include:

• Catering companies
• Meat and seafood vendors
• Specialty food producers
• Farm-to-market businesses
• Local distributors
• Bakeries
• Beverage suppliers
• Event operators
• Mobile businesses needing additional cold storage

The additional length and width can support shelving along the walls while retaining an aisle down the center.

A mid-size trailer may also offer more flexibility for:

• Rolling racks
• Multiple delivery zones
• Dividing products by category
• Carrying empty containers
• Installing a side-access door
• Creating a small frozen or separate-temperature compartment
• Supporting future business growth

The drawback is weight.

Insulation, flooring, refrigeration equipment, shelving, batteries, generators, products, and packaging can make a refrigerated trailer substantially heavier than an ordinary empty cargo trailer of similar dimensions.

Do not assume that every half-ton truck can comfortably handle every 7-by-16 refrigerated trailer.

Larger Refrigerated Trailers: Approximately 8.5×16 and Above

Larger enclosed refrigerated trailers are suited to higher-volume operations or businesses using the trailer as a major part of their cold-storage system.

Possible applications include:

• Large catering events
• Food distribution routes
• Meat or seafood operations
• Beverage distribution
• Large farmers markets
• Festivals
• Wedding venues
• Emergency or overflow cold storage
• Multiple delivery routes
• Businesses carrying rolling carts or pallets

A larger unit provides flexibility, but it also increases the importance of proper engineering.

The refrigeration package must be matched to the interior volume and use pattern. The tow vehicle must be matched to the trailer’s loaded weight and tongue weight. The business must also have enough space to park, power, clean, and maintain it.

A larger refrigerated trailer should be chosen because the business needs the capacity—not because the larger size looks more professional.

Size Comparison

Use this table as a starting point only. Compare the actual interior measurements and certified specifications of the trailer being considered.

Match the Refrigeration System to the Application

Trailer size and refrigeration capacity are connected, but square footage alone does not determine the correct system.

Equipment selection can be affected by:

• Desired cargo temperature
• Chilled versus frozen operation
• Outside temperature
• Humidity
• Insulation thickness and quality
• Trailer color and sun exposure
• Number of daily door openings
• Length of each door opening
• Product starting temperature
• Heat generated by the cargo
• Interior partitions
• Airflow restrictions
• Electrical supply
• Whether the unit operates while traveling
• Whether the unit operates while parked

Thermo King’s selection materials state that unit selection may change based on ambient temperature, insulation, door openings, product-related heat, and other application details. Its published sizing tables also use assumptions involving box dimensions, insulation, desired temperature, outside temperature, and a specified number of door openings.

Do not select a refrigeration unit by comparing BTU numbers alone.

Ask the refrigeration supplier to perform a load calculation for your specific trailer, product temperature, operating environment, door activity, and power source.

Chilled and Frozen Trailers Are Not the Same

Maintaining a chilled trailer near refrigerator temperature is a different job from maintaining frozen products at or below 0°F.

As the required interior temperature decreases, refrigeration capacity at that lower temperature becomes especially important. A system’s advertised capacity at 35°F may be significantly different from its capacity at 0°F or below.

For example, published Thermo King specifications show different cooling outputs at 35°F, 0°F, and minus 20°F. This is why a unit that works well for flowers, produce, beverages, or refrigerated ingredients may not be suitable for frozen products.

Tell the dealer or refrigeration specialist the coldest temperature you must maintain.

Do not say only, “I need a refrigerated trailer.”

Account for Door Openings

Every time a trailer door opens, warm and humid outside air enters.

During a delivery route, farmers market, wedding, festival, or catering event, the door may be opened dozens of times. That can create a much harder refrigeration load than a trailer that remains closed for several hours.

Think through the actual workday:

• How many stops are made?
• Which door is used?
• How long does it remain open?
• Do employees search for products with the door open?
• Are customers served directly from the trailer?
• Does the trailer sit in direct sunlight?
• Will a strip curtain or air curtain be used?
• Can products be organized by stop?

A smaller, properly organized trailer may recover more effectively than an oversized trailer with inadequate refrigeration and long door-open periods.

Consider side doors or divided storage areas when they reduce the need to expose the entire interior during every stop.

Do Not Block the Airflow

A refrigerated trailer is not a standard cargo trailer with an air conditioner attached.

The refrigeration system needs a planned airflow path.

Cargo packed tightly against the ceiling, walls, evaporator, or return-air path can produce uneven temperatures. The air near the refrigeration unit may be cold while products in a blocked corner remain too warm.

Leave appropriate clearance around:

• Evaporator outlets
• Return-air openings
• Ceiling airflow paths
• Walls
• Doors
• Temperature sensors
• Drains

Use shelves, load stops, or floor markings to keep employees from placing cargo in restricted areas.

Thermo King specifically advises operators not to block evaporator inlets or outlets and to allow air to circulate completely around the load.

Shelving Can Change the Size You Need

Good shelving increases usable capacity. Bad shelving makes the trailer feel smaller.

Before ordering shelves, determine:

• Container dimensions
• Shelf depth
• Shelf load rating
• Number of shelf levels
• Required aisle width
• Whether shelves must be removable
• Whether product needs to be secured during transportation
• Whether shelving material is acceptable for the food operation
• How the walls will support the load
• How shelving affects airflow

Deep shelves may hold larger containers but leave too little aisle space. Narrow shelves may waste vertical room. Solid shelving may restrict air movement more than open-wire or appropriately designed systems.

A 7-foot-wide trailer with thoughtful shelving can sometimes outperform a wider empty trailer that was never planned around the cargo.

Payload May Limit You Before Interior Space Does

A refrigerated trailer can run out of payload before it runs out of room.

The trailer’s GVWR is the maximum rated weight of the trailer and everything loaded onto it.

Estimate payload with:

GVWR − empty trailer weight = available payload

The empty weight should include the completed trailer as delivered, including:

• Insulation
• Refrigeration unit
• Generator
• Batteries
• Shore-power equipment
• Shelving
• Spare tire
• Interior partitions
• Flooring
• E-track
• Tanks
• Cabinets
• Other permanent equipment

Then add the cargo.

Food and beverages can become surprisingly heavy. Water alone weighs approximately 8.34 pounds per gallon. A 100-gallon water or beverage load would therefore weigh about 834 pounds before counting its container, shelving, hoses, or other equipment.

Obtain an actual scale weight after the trailer is built and loaded in its normal operating configuration. Estimates are useful during planning, but a certified scale provides a much clearer picture.

Check the Tow Vehicle’s Payload, Not Only Its Tow Rating

The advertised maximum towing number is not the only rating that matters.

Trailer tongue weight presses down on the tow vehicle and uses part of its payload capacity. Passengers, tools, fuel, cargo in the truck, aftermarket accessories, and hitch equipment also consume payload.

Current Ford towing guidance advises owners to account for trailer tongue load, passengers, and cargo without exceeding the vehicle’s payload, rear-axle rating, GVWR, or GCWR. Ford generally identifies conventional trailer tongue weight around 10% of loaded trailer weight, while noting that actual requirements can vary by trailer and configuration.

Before buying, verify:

• Trailer GVWR
• Estimated fully loaded trailer weight
• Trailer tongue weight
• Tow vehicle GVWR
• Tow vehicle payload
• Front and rear axle ratings
• Gross combined weight rating
• Receiver and ball rating
• Tire and wheel ratings
• Brake-controller compatibility

Use the exact truck’s door label, owner’s manual, towing guide, and configuration-specific data. Maximum marketing numbers often assume a particular cab, engine, drivetrain, axle ratio, and equipment package.

Consider How the Refrigeration Unit Will Be Powered

A refrigerated trailer may use one or more power sources.

Common arrangements include:

• Shore power
• Generator
• Battery-powered refrigeration
• Vehicle-powered system
• Self-powered transport refrigeration
• Electric standby
• Combination systems

The correct arrangement depends on where and how the trailer operates.

Shore Power

Shore power may work well when the trailer remains parked near a reliable electrical connection.

Confirm:

• Required voltage
• Required amperage
• Plug type
• Cord length
• Circuit availability
• Whether the circuit is dedicated
• Whether the venue allows the required connection
• Protection from rain and vehicle traffic

Do not assume every home, event venue, market, or commissary can support the trailer’s electrical load.

Generator Power

A generator provides flexibility but introduces fuel, noise, exhaust, maintenance, theft, storage, and event-rule considerations.

The generator must have enough continuous output to handle compressor startup and normal operation along with lights, fans, battery chargers, and other connected equipment.

Road Operation

Some refrigeration systems are designed to operate while the vehicle is moving. Others may primarily support stationary electric operation.

Make sure the system can maintain the cargo temperature during the entire route—not only after the trailer is connected to power at its destination.

Backup Planning

A refrigeration failure can become an inventory loss and a food-safety problem.

Develop a plan for:

• Power outage
• Generator failure
• Refrigeration alarm
• Flat tire
• Delayed event
• Breakdown during transport
• Excessive interior temperature
• Moving products to backup storage

The FDA’s sanitary transportation guidance emphasizes adequate temperature control, equipment preparation, proper refrigeration, and sanitary transportation practices for covered food operations.

Should You Choose One Temperature Zone or Multiple Zones?

A single-temperature trailer is simpler and usually less expensive.

It may be sufficient when all products have similar temperature requirements.

A divided or multi-temperature trailer may be worth considering when the business regularly carries:

• Chilled and frozen products together
• Flowers and food
• Raw and ready-to-eat products requiring separation
• Products with significantly different temperature requirements
• Cargo for several business divisions

A partition reduces the volume that each zone must control, but it also adds weight, cost, equipment, and maintenance.

Make sure the doors, evaporators, controls, and airflow are designed for the intended zones. A homemade divider does not automatically create two properly controlled compartments.

Consider the Loading Door Before Choosing the Length

Trailer buyers tend to focus on length first. Door design may affect the business just as much.

Rear Ramp Door

A ramp can work well for:

• Rolling racks
• Pallet jacks
• Carts
• Hand trucks
• Heavy cases

Check the ramp rating, angle, traction, insulation, seals, and space required to lower it.

Rear Barn Doors

Barn doors can be practical at loading docks or in tight areas where there is not enough room for a ramp.

They may also allow quicker access without lowering a full ramp.

Side Door

A side door can reduce the amount of cold air lost during small deliveries. It may also help organize the trailer into zones.

Check its width, height, threshold, insulation, locking hardware, and location relative to shelving.

Additional Considerations

Ask whether the door can be opened safely when the trailer is parked at an event. A perfect interior layout is not useful when a neighboring vendor, wall, curb, or parked vehicle prevents the main door from opening.

Size the Trailer Around the Workflow

The correct size for a refrigerated trailer depends on how people will use it.

Imagine the busiest hour of the operation.

Where does the employee stand? Which door opens? What product comes out first? Where are empty containers placed? Can two people work without blocking each other? Does the trailer need an aisle? Will customers ever approach it?

A caterer may need quick access to several rolling racks.

A distributor may need products loaded in reverse stop order.

A farmers market vendor may need to unload nearly everything at the beginning of the day.

A mobile butcher may need separation between packaged products and other supplies.

A florist may prioritize vertical clearance more than floor capacity.

Sizing from the workflow prevents you from buying a trailer that holds the inventory but slows down the business.

Refrigerated Trailer Size by Business Type

Farmers Markets and Farm Businesses

A small or mid-size refrigerated trailer may be suitable depending on the number of markets, products, and seasonal volume.

Measure produce bins, crates, meat cases, dairy containers, flower carts, and unsold return inventory.

Also consider whether the trailer will serve as:

• Transportation only
• Overnight cold storage
• On-site market storage
• Backup storage during harvest
• A shared trailer for several products

Seasonal peaks matter. A unit that feels large in early spring may become crowded during summer harvest.

Catering Businesses

Caterers should measure rolling racks, sheet pans, hotel pans, beverage cases, cold appetizers, desserts, and backup food.

Do not size the trailer solely by guest count. Two events with the same number of guests can require completely different storage based on menu, service style, number of courses, and whether food is prepared on site.

A mid-size or larger trailer may be appropriate when the business:

• Handles simultaneous events
• Carries multiple racks
• Needs frequent access during service
• Transports drinks with food
• Stores product overnight
• Uses the trailer as temporary event refrigeration

Bakeries and Dessert Businesses

A bakery may need more shelf area than floor capacity.

Measure:

• Sheet-pan racks
• Cake boxes
• Ingredient containers
• Finished-product packaging
• Tall specialty cakes
• Return racks
• Cooling and staging space

Interior height and smooth suspension may matter as much as trailer length.

Meat and Seafood Businesses

These operations should prioritize reliable temperature control, cleanable surfaces, drainage, cargo separation, weight, and backup plans.

Boxes of meat or seafood can become heavy before the trailer appears visually full. Payload and axle ratings therefore deserve close attention.

Confirm applicable food-safety, sanitation, licensing, and transportation requirements with the regulatory authority responsible for the operation.

Beverage Businesses

Beverages are dense and heavy.

A trailer may reach its weight limit while significant interior space remains. Calculate the total weight of bottles, cans, kegs, ice, water, shelving, and handling equipment.

Do not select the trailer only by the number of cases that fit on the floor.

Florists and Event Companies

Flowers and temperature-sensitive event materials may not require frozen-food capability, but they still need controlled temperatures, airflow, organization, and protection.

Interior height, shelving flexibility, and the ability to secure tall arrangements may be more important than maximum GVWR.

Mobile Cold Storage and Rental Businesses

A trailer rented as temporary cold storage should be sized for a range of customers.

Consider:

• Easy-to-clean surfaces
• Flexible shelving
• Remote temperature monitoring
• Simple controls
• Secure doors
• Shore-power compatibility
• Clear operating instructions
• Backup service procedures
• Trailer leveling
• Theft prevention
• Wide operating-temperature range

A rental business may benefit from owning several sizes rather than one oversized trailer that is inconvenient for smaller customers.

Common Refrigerated Trailer Sizing Mistakes

Buying by Exterior Size

Exterior dimensions do not tell you the usable refrigerated space.

Insulation, wall thickness, evaporators, shelves, wheel boxes, and partitions all reduce interior capacity.

Request actual interior measurements.

Ignoring the Loaded Weight

A trailer that looks small may become extremely heavy after refrigeration equipment and product are added.

Calculate weight before signing the purchase agreement.

Buying for Today Only

A trailer that is completely full on the first day leaves no room for seasonal volume or reasonable growth.

Plan for the business you expect in the near term.

Buying Far Too Large

Extra capacity is not free.

It can increase the purchase price, financing cost, refrigeration requirements, towing weight, power use, storage needs, and maintenance.

Assuming the Refrigeration Unit Will Cool Warm Product

Transport systems are generally intended to maintain precooled product. Loading warm cargo can overwhelm a system that performs correctly under normal operating conditions.

Ignoring Door Activity

A trailer that remains closed behaves differently from one opened repeatedly at an event or along a delivery route.

Tell the refrigeration supplier how the trailer will actually be used.

Blocking Air Circulation

Packing products against the evaporator or ceiling can create uneven temperatures.

Design the shelving and loading system around airflow.

Forgetting About Power

A business may buy the correct trailer and discover that the event location cannot provide the required electrical service.

Confirm the power source before finalizing the refrigeration package.

Assuming the Largest Tow Rating Applies to Your Truck

Truck tow ratings vary by cab, engine, axle ratio, drivetrain, equipment, passengers, and cargo.

Use the ratings for your exact vehicle.

Skipping the Health Department

Trailer construction and equipment do not automatically satisfy the requirements of every city, county, state, or food operation.

Speak with the appropriate health department or regulatory authority before ordering a custom build.

Your Refrigerated Trailer Buying Checklist

Bring the following information when shopping:

Product Information

• Product type
• Required temperature
• Chilled or frozen
• Starting product temperature
• Maximum daily volume
• Maximum cargo weight
• Container or rack dimensions

Operating Information

• Number of trips
• Route length
• Number of stops
• Door openings per day
• Outdoor temperature range
• Stationary or road use
• Overnight storage
• Available power

Trailer Information

• Interior dimensions
• Insulation specifications
• GVWR
• Completed empty weight
• Payload
• Axle ratings
• Tire ratings
• Door sizes
• Shelving arrangement
• Flooring
• Refrigeration model
• Refrigeration output at the required temperature
• Electrical requirements
• Warranty

Tow Vehicle Information

• Year, make, and model
• Cab and bed configuration
• Engine
• Drivetrain
• Axle ratio
• Payload label
• GVWR
• Rear-axle rating
• GCWR
• Maximum loaded trailer rating
• Receiver and hitch rating
• Brake controller

The more complete this information is, the less likely you are to purchase the wrong trailer.

Why Buy From Superior Trailer?

A refrigerated trailer is a business asset, not an impulse purchase.

The trailer may be responsible for protecting food, flowers, beverages, ingredients, or other valuable products while also keeping the operation moving on schedule.

Superior Trailer can help buyers compare the trailer-side details that often get overlooked:

• Interior dimensions
• Cargo-trailer configurations
• Axle capacity
• GVWR and payload
• Doors and ramps
• Flooring
• Shelving considerations
• Electrical preparation
• Tow-vehicle compatibility
• Financing
• Trailer parts
• Chassis, brake, axle, tire, lighting, and general trailer service

Refrigeration equipment may require installation and service from a qualified transport-refrigeration specialist. Before purchasing, confirm who will install, commission, maintain, and repair the refrigeration system.

Superior Trailer has locations in Burlington, North Carolina; Virginia Beach, Virginia; Richmond, Virginia; and Suffolk, Virginia. Financing or rent-to-own options may be available through lending relationships for qualified buyers. Programs, terms, rates, and approval requirements vary.

Visit Superior Trailer

Burlington, North Carolina

812 Plantation Drive
Burlington, NC 27215
336-222-0444

Virginia Beach, Virginia

4999 Euclid Road
Virginia Beach, VA 23462
757-497-5557

Richmond, Virginia

7100 U.S. Route 1
Richmond, VA 23237
804-275-5557

Suffolk, Virginia

3468 Pruden Boulevard
Suffolk, VA 23434
757-809-5515

Location information was verified through Superior Trailer’s website in July 2026.

Find the Refrigerated Trailer That Fits the Business

The right refrigerated trailer should make the business easier to operate.

It should hold your normal peak inventory without being packed wall to wall. Employees should be able to reach products quickly. Cold air should circulate correctly. The refrigeration system should maintain the required temperature during real operating conditions. The power source should be dependable. The loaded trailer should remain within every applicable truck and trailer rating.

Start with the product and workflow—not the trailer length.

Measure the containers. Calculate the weight. Map the doors and shelves. Define the temperature. Count the stops. Check the tow vehicle. Then compare trailer sizes.

Contact Superior Trailer to discuss current availability, ordering options, financing, and the trailer configuration that best supports your business.

Frequently Asked Questions About Refrigerated Trailer Sizes

What is the best refrigerated trailer size for a small business?

There is no single best size. A 6-by-10 or 6-by-12 may work for a low-volume vendor, while a regular caterer or distributor may need a 7-by-14, 7-by-16, or larger trailer. Base the decision on actual container dimensions, product weight, temperature, airflow, door openings, and the tow vehicle.

Is a 6×12 refrigerated trailer big enough?

It may be large enough for a farmers market vendor, small food producer, florist, beverage company, or supplemental cold-storage operation. Measure the actual crates, racks, cases, and required aisle space before deciding.

What size refrigerated trailer does a catering company need?

The answer depends more on the menu, containers, racks, and service process than guest count. Measure the equipment and food required for the largest regular event, then include space for airflow, safe access, and near-term growth.

Can a half-ton truck tow a refrigerated trailer?

Some properly equipped half-ton trucks can tow certain refrigerated trailers, but the exact answer depends on the truck’s configuration and the trailer’s fully loaded weight. Check payload, tongue weight, GVWR, rear-axle rating, GCWR, hitch rating, and manufacturer towing information.

How do I calculate refrigerated trailer payload?

Subtract the completed trailer’s empty weight from its GVWR. The completed empty weight should include insulation, refrigeration equipment, generator, batteries, shelving, spare tire, and other permanent options.

How cold should a refrigerated food trailer be?

The correct temperature depends on the product and applicable regulations. The FDA Food Code uses 41°F or below for many cold-held time-and-temperature-controlled foods, while frozen products may require much lower temperatures. Verify requirements with the authority regulating your operation.

Can a refrigerated trailer cool warm food?

Transport refrigeration equipment is generally designed to maintain products that were precooled before loading. It should not be assumed to function as a blast chiller or rapidly cool a large warm load.

Does a larger trailer require a larger refrigeration unit?

Usually, but interior volume is only one factor. Insulation, desired temperature, ambient heat, door openings, product temperature, airflow, and operating conditions also affect the required refrigeration capacity.

Can a refrigerated trailer run on household electricity?

Some units may operate on an appropriate shore-power connection, but voltage, amperage, plug type, startup load, and circuit requirements vary. Have a qualified electrician or refrigeration specialist verify the power source.

Should refrigerated cargo touch the walls?

Cargo generally should not obstruct the designed airflow path, evaporator outlets, return-air openings, temperature sensors, or doors. Follow the trailer and refrigeration manufacturer’s loading instructions.

Do I need a generator?

A generator may be necessary when dependable shore power is unavailable. Its continuous and startup capacity must match the refrigeration equipment and all other electrical loads.

Can I use a refrigerated trailer for frozen products?

Only when the insulation and refrigeration system are designed and rated for the required frozen temperature under your expected operating conditions.

Does Superior Trailer offer financing?

Superior Trailer works with lenders that may provide financing or rent-to-own options to qualified buyers. Approval and terms depend on the lender, applicant, and trailer.