Multi-temp trailer refrigeration unit unveiled

Thermo King has introduced a new multi-temperature trailer refrigeration unit it said is its most environmentally sensitive control system yet. The S-600M features a new diesel direct electric (DDE) architecture that drives optimum efficiencies and helps lower the overall cost of ownership for food distributors, Thermo King said.

The engine for the S-600M was developed in conjunction with diesel engine manufacturer PSA Peugeot Citroën. It meets the Environmental Protection Agency’s (EPA) Tier IV Final regulations. The engine meets the regulations without the use of a diesel particulate filter.

The S-600M is designed to meet both EPA and California Air Resources Board requirements in the greater-than-25 hp. category, which include a reduction of 90% in particulate matter and a 30% reduction in nitrogen oxide from the interim standards that have been in effect since 2008.

“We designed the Precedent S-600M to offer standard, rather than optional, sustainability improvements especially for the multi-temperature needs of the food distribution and grocery industries in response to customer requests for a solution that reflects their commitment to environmental stewardship,” said Tom Kampf, trailer product manager for Thermo King.

“This solution matches the duty cycle and application with the right engine design to provide double-digit fuel efficiency while exceeding the most stringent engine emissions requirements, providing significant reductions in nitrogen oxide, particulate matter and carbon dioxide.”

The unit includes Thermo King’s Smart Power, which allows it to be operated off electrical power in stationary applications. Smart Power will be available in both standard and high output versions. Thermo King also offers a Smart Power Prep Kit for customers who are considering shore power operation at their distribution centers, but have not yet invested in the infrastructure to support shore power operation.  

The S-600M’s DDE engine architecture features the proven Thermo King X-430 compressor, which is directly coupled to the diesel engine. A small generator supplies power to the condenser and evaporator assemblies.

The S-600M will be available in the third quarter of 2013.

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