Fuel saving, Diesel Direct Electric Units, that are EPA & California Compliant. The Precedent line, which includes the S-600, sets the standard in transport refrigeration. Because the S-600 reefer is certified CARB Evergreen, you can enjoy double-digit fuel savings for the long haul, without the need for a DPF, today or down the road.

Thermo King launches Connected Precedent trailer refrigeration unit

Thermo King peace-of-mind. Precedent® takes everything we’ve learned since we invented transport refrigeration back in 1938 and gives you industry-leading performance and the quality and reliability that Thermo King is known for. And because it’s backed by the Thermo King warranty, you can rest easy knowing we’ve got you and your business covered, day in and day out.

Thermo King Precedent® S-600 Trailer Refrigeration System