Carrier Transicold X4 7500 Trailer Refrigeration Unit

The Carrier Transicold X4 7500 is the high-capacity single-temperature model in the X4 trailer range. The X4 series succeeds and replaces the X2 2500, with a new 2.2 litre engine and the APX control system, and Carrier pushed efficiency hard: the 7500 delivers around 68,000 BTU/hr of cooling at 35°F return air in a 100°F ambient, with the 7300 just below it at 66,000. Listed at $13,500 with documented engine hours.

Carrier X4 7500 Specifications

• Type: single-temperature nose-mount trailer refrigeration unit

• Cooling capacity: approximately 68,000 BTU/hr at 35°F return air, 100°F ambient

• Drive: belt-driven compressor

• Platform: X4 series, successor to the X2 2500

• Engine hours on current stock: typically 11,500 to 13,000 hours

• Application: 48-53 ft van trailers, chilled and frozen freight

• Condition: inspected used units; new units available to order

• Price: $13,500

Carrier or Thermo King?

Both build excellent trailer units and both have dealer coverage across North America. In practice the decision is usually made by what a fleet already runs — technicians who know one platform diagnose it faster, and a shared parts inventory is worth real money. A mixed fleet is perfectly workable, but if you are starting from zero, pick the brand whose dealer is closer to your yard. Compare capacity against the Thermo King Precedent S-700, which sits at the same 68,000 BTU/hr point.

Engine Hours in Context

Eleven to thirteen thousand hours on a trailer reefer engine is mid-life, not end-of-life. Reefer engines run at low load and constant speed, which is the gentlest duty a diesel sees — very different from a truck engine’s hours. Expect to service injectors, belts and a water pump across the next few thousand hours, and budget accordingly rather than discounting the unit.

Applications

Long-haul chilled and frozen freight, produce and protein, grocery distribution, and 53 foot vans generally. The unit also suits dry-van conversions where a fleet is adding temperature-controlled capacity to trailers it already owns.

Freight and Fitting

Ships on a flatbed with forklift loading at both ends; freight is quoted to your delivery ZIP code. Installation belongs with a Carrier Transicold dealer or an experienced reefer shop — the bulkhead work, fuel and electrical runs, and system evacuation and charge are not owner-fit tasks. Contact us for hours, photographs and a delivered price.