Used Refrigerated Semi Truck Buying Guide

Reefer trucks don’t just move freight—they move food, medicine, and high-value cargo that keeps businesses running. Whether you’re hauling produce across state lines or delivering pharmaceuticals to a local distributor, a refrigerated truck (also known as a reefer) makes that possible. And if you’re looking to break into this specialized market—or expand your fleet without overextending your budget—buying used is a smart move.

But not all reefers are created equal. Buying used takes a sharp eye and the right questions. Here’s what to know.

What is a Reefer Truck?

A reefer truck is a semi or straight truck trailer type equipped with a refrigeration unit that keeps cargo at a set temperature. Inside the trailer or cargo box, goods are insulated and cooled—or even frozen—through a diesel-powered cooling system that maintains temperature throughout the route.

Reefers are essential for haulers working in:

• Food distribution (produce, meat, dairy, frozen items)

• Pharmaceuticals and medical supplies

• Floral delivery

• Fine art, electronics, and anything temperature-sensitive

But here’s the bonus—while a reefer can carry refrigerated or frozen loads, it can also haul dry freight. That flexibility makes it one of the more versatile investments you can make.

Why Buy Used?

New reefer trucks come with a hefty price tag. Buying used gives you access to the same functionality without the sticker shock. That said, you’ve got to know what you’re looking at—and what questions to ask—because these trucks work hard, and cooling systems wear over time.

What to Look for in a Used Reefer Truck

1. Reefer Unit Hours

The engine that powers the refrigeration unit operates independently of the truck’s engine. Think of reefer hours like mileage for the cooling system. Most units are built to last between 25,000 and 30,000 hours with proper maintenance. Lower hours usually mean more life left in the system—but service records matter more than numbers alone. If the unit’s been maintained well, even a higher-hour reefer might still be worth considering.

1. Trailer Insulation and Air Leaks

Good insulation keeps cold air in and hot air out. Walk the trailer or cargo box. Look for water damage, cracked panels, loose door seals, or thin insulation. Even a high-end cooling system won’t perform if the cold air slips out around the edges.

1. Cooling System Performance

Check the unit’s ability to cool quickly and hold temperature over time. A solid test includes setting the reefer to a target temp and letting it run. Does it reach and hold temperature consistently? Any strange noises, rattling, or shutdowns? Those are red flags.

1. Engine and Drivetrain Condition

A reefer might be in great shape refrigeration-wise but still not be roadworthy. Do a full mechanical inspection of the truck, not just the reefer unit. Look at maintenance records, oil changes, transmission work, brake condition, and tire wear.

1. Fuel Efficiency and Operating Costs

Reefers use more fuel than dry vans—not just to haul weight but to power the cooling unit. Older models tend to burn more diesel to maintain the same temperature, so look for trucks with efficient units and well-insulated bodies to reduce long-term fuel spend.

Regulations and Compliance

You’ll want to stay ahead of current and upcoming emissions and refrigeration regulations. States like California enforce CARB (California Air Resources Board) standards, which limit the age of reefer units and require upgrades or replacements over time.

Before you buy, double-check whether the unit is compliant in the states where you’ll be running. A great deal on a non-compliant reefer won’t save you money if it can’t operate legally in half your market.

Upfront Costs vs Long-Term ROI

Used reefer trucks cost significantly less upfront, but they do require more upkeep. Expect higher fuel costs, occasional refrigerant recharges, and regular maintenance of both the diesel-powered refrigeration unit and the truck’s core systems.

That said, buying smart and maintaining well can yield strong returns. The flexibility of hauling cold or dry freight means you’re more adaptable to shifts in demand. That translates to better margins, fewer empty miles, and more job options.

Expanded Opportunities

A lot of folks look at a reefer and only think of cold storage—but the value runs deeper than that. A well-maintained reefer truck lets you say yes to more contracts, diversify your hauling options, and keep your rig busy when demand shifts. If refrigerated freight slows down, you’re still in the game. You can haul dry goods with that same unit and keep your wheels turning, which isn’t something dry van owners can say in reverse.

Tips for Reefer Truck Buyers

The following can help you make a confident purchase:

• Run a full inspection of both the truck and reefer unit.

• Request maintenance records—especially for reefer service intervals.

• Ask how often the trailer was loaded and unloaded (constant door openings wear out systems faster).

• Test the reefer’s ability to reach and hold temperature.

• Confirm compliance with regional regulations.

• Don’t forget to calculate insurance and operational costs before signing the dotted line.

Why Arrow Truck Sales is a Good Partner

Arrow Truck Sales understands that a reefer isn’t just a truck—it’s a tool that has to perform on every mile. That’s why we carry a wide selection of used refrigerated trucks, inspect each vehicle carefully, and back them with warranty and financing options that give buyers peace of mind. Whether you’re a first-time buyer or building out a reefer fleet, Arrow has the inventory and support you need to find the right fit.

Our team has been doing this for 75 years—and that kind of experience shows up in the quality of the trucks we carry and the transparency of how we do business. When you’re investing in a reefer, it helps to work with people who actually understand what matters on the road.

Used refrigerated trucks can be a smart, profitable investment—but only if you make the right choice. Take your time. Know the systems. Look beyond the price tag and examine the costs associated with maintenance, compliance, and future expenses. A solid used reefer truck should be more than cold—it should be dependable, versatile, and efficient enough to keep you in business for the long haul.

And if you’re ready to start looking, Arrow Truck Sales can help you find the right truck at the right price with the proper support. Check out our current inventory online today and give us a call.