Description
The Thermo King TriPac Evolution Auxiliary Power Unit (APU) provides reliable heating, cooling, and electrical power for commercial truck sleeper cabs, substantially reducing engine idling and operational costs. Powered by a Tier IV final-compliant diesel engine, this system delivers premium cabin comfort while lowering fuel consumption by up to 2,500 gallons annually.
Performance and Climate Control
- 13,000 BTU Air Conditioning: High-capacity cooling system complete with compressor, evaporator, and controller to maintain optimal cabin temperatures in extreme conditions.
- 7,500 BTU Fuel-Powered Heater: Efficient heating keeps drivers warm without draining battery power or relying on main engine idling.
- 65-Amp Alternator: Delivers ample charging capacity for cab appliances, electronics, and hotel loads while monitoring battery voltage.
Intuitive Controls and Diagnostics
The TriPac Evolution features an easy-to-use in-cab controller designed with plain-language readouts, tactile buttons, and programmable temperature settings. Its flash-loadable control system includes an integrated data logger with 22 diagnostic alarm codes to streamline maintenance and troubleshooting.
Efficiency and Maintenance
- 2,000-Hour Maintenance Interval: Extended service cycles reduce maintenance downtime and align smoothly with standard tractor service intervals.
- Idling Reduction: Consumes approximately 75% less fuel per hour than main engine idling, minimizing unnecessary engine wear and preserving tractor resale value.
- DPF Compatibility: Compatible with Thermo King diesel particulate filter systems and passive aftertreatment devices for emissions compliance.
| Brand | Thermo King |
| Product Type | Auxiliary Power Unit |
| Model | TriPac Evolution |
| Engine | 2-cylinder, Tier IV final-compliant diesel engine |
| Air Conditioning System | 13,000 BTU air conditioning system including compressor, evaporator, controller (system charged with R-134a at Thermo King dealership during installation) |
| Heater | 7,500 BTU fuel-powered heater |
| Alternator | 65-amp alternator |
| HVAC Controller | Single HVAC controller |
| DPF Compatibility | Thermo King DPF-compatible |
| Maintenance Interval | 2,000 hours |
| Part Number | 845-2845, 845-2539, 45-2539 |















Reviews
There are no reviews yet.