Unit Overview

The Thermo King Precedent units are one piece, self-contained, diesel powered, air cooling/heating units operating under the control of the SMART REEFER™ 4 (SR-4) programmable microprocessor controller. The unit mounts on the front of the trailer with the evaporator extending through an opening in the front wall.

The units feature all-new DDE (Diesel Direct Electric) architecture, the quiet running Thermo King engine, and the Thermo King X430L/X430P reciprocating compressor.

Precedent units are available in the following models:

Standard: Cooling and heating on diesel engine operation.

SmartPower™ Option: Cooling and heating on diesel engine operations and electric standby operation.

See the following features.