Thermo King SLXi-300 trailer refrigeration unit

Thermo King SLXi-300 Trailer Refrigeration Unit

$7,000.00

A Tier 4 final SLXi-300 running the Precedent C-600 engine — 24.4 hp at 2,200 rpm, 46,000 BTU/hr at a 35F setpoint, and seven-year CARB and EPA compliance. $7,000.

SKU: PTT-904 Categories: Refrigeration Units, Thermo King Units

Description
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Description

The Thermo King SLXi-300 is the trailer unit that carried the SLX platform into the Tier 4 final era. It uses the Precedent C-600 engine, which is what gives it a seven-year CARB and EPA compliance horizon, and it was engineered hard for weight — around 200 lb lighter than comparable units, which is 200 lb of payload a fleet gets back on every trailer. Listed at $7,000.

Thermo King SLXi-300 Specifications

Type: single-temperature nose-mount trailer refrigeration unit
Engine: Precedent C-600 Tier 4 final, four cylinder with replaceable liners
Engine power: 24.4 hp at 2,200 rpm
Emissions: EPA Tier 4 final, seven-year CARB and EPA compliance
Capacity with ETV (100°F ambient, high speed): 46,000 BTU/hr at 35°F; 32,000 BTU/hr at 0°F; 19,000 BTU/hr at -20°F
Weight: approximately 200 lb lighter than comparable units
Condition: inspected used units, engine hours confirmed
Price: $7,000

Why Weight Matters on a Reefer

A refrigerated trailer is heavy before you load it — insulation, a reinforced bulkhead, a fuel tank and the unit itself. On weight-limited freight such as beverages, dairy or bottled water, every pound of tare is a pound of revenue you cannot carry. Two hundred pounds does not sound like much until you multiply it by a hundred trailers and a thousand loads a year.

Applications

European-specification and export trailers, weight-sensitive domestic freight, chilled distribution, and fleets running mixed SLXi and Precedent equipment who want a common engine across the pool. The SLXi-DRC is the single-temperature variant built for a lower-emission refrigerant charge.

Buying Used

Check hours, coil condition and whether the ETV has been serviced — a sticking throttling valve shows up as a unit that hunts around setpoint rather than one that fails outright, and it is easy to miss on a short test run. Ask us to run the unit through a full cycle and to confirm the hour meter reading before you commit.