How long do Thermo King reefers last?
Reefer units typically log around 4,000 hours maximum each year. A trailer that is three years old can be expected to have between 9,000 to 12,000 hours on its refrigerated unit. The hours on a unit can be compared to the miles accumulated on a truck.
How does a truck refrigeration unit work?
Situated on the reefer trailer—typically facing the vehicle—the condenser receives concentrated refrigerant gas and converts it into a liquid. This occurs as the refrigerant passes through small, convoluted tubes that expose the refrigerant gas to the outside air.
What refrigerant is used in Thermo King?
Refrigerant R-404a is available for MAX and SPECTRUM units for frozen and multi-temp applications, while R-134a is available for fresh applications. The V-800 is the largest vehicle-powered system that Thermo King has to offer. The unit provides unparalleled cooling performance, even up to trucks 24′ in length.
How long can a refrigerated trailer run?
Focus on the Fuel Often, refrigerated trucks can run two to three days without refueling them. However, it ultimately depends on how you maintain vehicle systems, as well as how often you open the truck.
Which is better carrier or Thermo King?
Carrier reefer units have a 6-piston compressor that moves roughly 150% more refrigerant than the 4-piston Thermo King compressors. If you’re going to be handling frozen loads, you may find that the Carrier units are better because they don’t work quite as hard to keep your trailer at the right temperature.
How do refrigerated trucks stay cold?
Refrigerated truck manufacturers equip their vehicles with compressors, condensers, and evaporators that trade fluids and gases to cool the interiors.
How are refrigerated trucks cooled?
Refrigerator trucks can be ice-cooled, equipped with any one of a variety of mechanical refrigeration systems powered by small displacement diesel engines, or utilize carbon dioxide (either as dry ice or in liquid form) as a cooling agent.
Why are open drive compressors often started up for a short time in the off season?
Why are open-drive compressors often started up for a short time in the off season? The shaft seal on the compressor is kept “wet” by the circulation of refrigeration oil over it. If the compressor is off for a long period of time, the shaft seal can dry up and eventually leak.
How many hours does a reefer unit last?
Reefer units last roughly 40,000 hours—about eight years.
How cold can a reefer trailer get?
The average reefer maintains temperatures within a range of about -13 degrees to 77 degrees Fahrenheit. However, there are highly specialized refrigeration units that go as low as -85 degrees Fahrenheit. These reefers are typically used for the transport of items in the medical and chemical industries.
How much diesel does a refrigerated trailer use?
Modern reefer units use between 0.4 and 1.1 gallons of diesel per hour of engine run time.