Description
The Thermo King SLXi-300 is a high-performance, single-temperature mobile refrigeration unit designed specifically for semi-trailers and domestic refrigerated container (DRC) applications. Featuring an ultra-slim profile and lightweight build, it allows modern 53-ft containers to hold up to 15 pallet rows—maximizing overall cargo and payload capacity.
Key Performance & Engineering
- Tier 4 Final Engine: Powered by a TK486V 4-cylinder direct-injection, liquid-cooled diesel engine delivering 24.4 hp.
- High-Capacity Temperature Control: Delivers up to 46,000 BTU/hr of cooling capacity and 40,000 BTU/hr of heating capacity.
- Reciprocating Compressor: Equipped with a lightweight aluminum alloy X430P compressor with a 30.0 cu. in. displacement.
- Eco-Responsible Refrigerant: Charged with R-452A next-generation refrigerant to reduce global warming potential while maintaining peak thermal performance.
- Extended Maintenance: Includes the EMI 3000 package for extended 3,000-hour or 2-year maintenance intervals alongside Extended Life Coolant (ELC).
Durable & Transport-Ready Construction
Built with aluminum doors, stainless steel hardware, and a flush mount evaporator to prevent loading impact damage, the SLXi-300 also integrates a rail-ready horizontal side exhaust and a 36W ThermoLite® solar panel to preserve battery charge during transport.
| Brand | Thermo King |
| Model | SLXi-300 |
| Product Type | Trailer Refrigeration Unit |
| Cooling Capacity (35°F) | 46,000 BTU/hr |
| Cooling Capacity (0°F) | 32,000 BTU/hr |
| Cooling Capacity (-20°F) | 19,000 BTU/hr |
| Heating Capacity | 40,000 BTU/hr |
| Airflow Volume | 3,230 ft3/min |
| Engine Model | TK486V |
| Engine Type | 4-cylinder, direct injection, liquid cooled |
| Engine Power | 24.4 hp |
| Emissions Compliance | EPA Final Tier 4 |
| Compressor Model | X430P |
| Compressor Displacement | 30.0 in3 |
| Refrigerant | R-452A |
| Refrigerant Charge | 12.6 lbs |
| Oil Capacity | 12 qt |
| Maintenance Interval | 3,000 hrs |
| Dimensions | 89.7 x 81.7 x 16.9 in. |
| Weight | 1620 lb. |








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