Single-Temperature Refrigeration Units

A complete line of single-temperature units for long haul and delivery applications.

Single Temperature Trailer Units

Precedent s-750i Transport refrigeration fully electrical unit

Precedent® S-750i

The S-750i is a fully electrical unit designed for transport fleets, retailers, and pharmaceutical companies seeking solutions that are more efficient on electric power.
Precedent S600 Transport refrigeration unit

Precedent® S-600

The Precedent S-600 single-temp reefer delivers double-digit fuel savings and Thermo King reliability and performance, all in a unit certified CARB Evergreen so you'll never need a DPF.
Precedent® S-700 Trailer Refrigeration Unit

Precedent® S-700

For single-temperature trailers requiring deep-frozen capability, choose the Precedent S-700 reefer. The S-700 is CARB Evergreen certified and customizable for your business.
Precedent® C-600 Trailer Refrigeration Unit

Precedent® C-600

Enjoy the benefits of Precedent in a cost-effective package with the C-600 single-temp reefer. The C-600 offers 7-year CARB compliance and is backed by the Thermo King dealer network.
SLXi Local Trailer Refrigeration Unit

SLXi Local Trailer

Urban distribution just got lighter, greener, and quieter.

Photo of temperature control trailer

The Precedent S-Series: The Only Evergreen Choice

Developed to achieve Evergreen CARB and EPA emissions compliance while adding performance, the Precedent S-Series is notable for what it does not have: a Diesel Particulate Filter (DPF). When considering the negative impact on engine life and fuel efficiency that a DPF brings, it was clear that a DPF was not a viable solution for units that run in California. Choose the S-Series and you’ll avoid the unknowns and risks of DPFs and can rest easy knowing that you’re running the only unit available that will be compliant nationwide for as long as you own it.

Precedent Single Temperature Series Product Features

X430P Reciprocating Compressor

4 cylinder, 30 cubic inch with 4 quart oil sump, forged steel connecting rods with barring inserts and discharge valves incorporating slug relief springs, integrated internal oil filter, 14.5 lbs. of R452A refrigerant.

Controller

Smart Reefer® 4 (SR4) control system, temperature data logger, ServiceWatch and Optiset® Plus enabled, running and pretrip diagnostics, integrated USB port, and proprietary eco-pulldown technology.

37 Amp Extended Life Alternator

65 amp alternator and 30 amp battery charger optional.

New Condenser Grilles

The new grilles not only provide improved protection from road debris that can impact the condenser coil, but also a stronger, more integrated look for the unit.

Integrated Telematics

TracKing® - Integrated telematics from the factory.

Composite Doors

Composite long-life door panels with auto-latch and auto secondary latch on front doors.

The Proven Choice: Precedent Single Temperature Units

Precedent® S-750i Trailer Refrigeration Unit

Precedent® S-750i Trailer Refrigeration Unit

The S-750i is a fully electrical unit designed for transport fleets, retailers, and pharmaceutical companies seeking solutions that are more efficient on electric power.

  • Reduced shore power operating costs with integrated electrically driven Thermo King scroll compressor.
  • Reduced engine run hours and engine maintenance due to quicker pull down and recovery from null and intelligent use of 3 available engine speeds.
  • Confidence to pick up any load at any dock with the industry's deepest frozen unit capacity.
  • Integrated and enabled telematics with 12 months of TracKing service* at no charge
 Precedent® S-600 Trailer Refrigeration Unit

Precedent® S-600 Trailer Refrigeration Unit

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. 

  • Evergreen CARB compliant engine (TK488CR1)
  • No need for Diesel Particulate Filter (DPF)
  • Delivers double digit fuel savings
  • Superior temperature control
  • Electronic fuel injection with real-time fuel monitoring and recording
  • Uses R452A refrigerant to provide a lower Global Warming Potential (GWP) and reduce the carbon footprint of refrigerants used by fleets by nearly 50%.
  • >25 horsepower engine
 Precedent® S-700 Trailer Refrigeration Unit

Precedent® S-700 Trailer Refrigeration Unit

The S-700 reefer adds deep-frozen capability to the Precedent line, which set the standard in transport refrigeration. And CARB Evergreen certification means you can enjoy double-digit fuel savings for the long haul without the need for a DPF. 

  • Evergreen CARB compliant engine (TK488CR1)
  • Gives you the capacity to handle deep-frozen loads
  • No need for Diesel Particulate Filter (DPF)
  • Delivers double digit fuel savings
  • Superior temperature control
  • Electronic fuel injection with real-time fuel monitoring and recording
  • >25 horsepower engine
  • The only deep-frozen capacity unit in the industry with available shore power operation
  • Uses R452A refrigerant to provide a lower Global Warming Potential (GWP) and reduce the carbon footprint of refrigerants used by fleets by nearly 50%.
 Precedent® C-600 Trailer Refrigeration Unit

Precedent® C-600 Trailer Refrigeration Unit

For businesses that require 7-year CARB compliance or don't operate in California, the C-600 reefer is a cost-effective way to take advantage of the benefits of the Precedent line, which sets the standard in transport refrigeration. The C-600 offers outstanding efficiency and reliability paired with superior temperature control.

  • 7 year CARB evergreen compliant engine (TK486V25L1)
  • Delivers double digit fuel savings
  • Superior temperature control
  • Mechanical fuel injection
  • Uses R452A refrigerant to provide a lower Global Warming Potential (GWP) and reduce the carbon footprint of refrigerants used by fleets by nearly 50%.
  • < 25 horsepower engine
SLXi Local Trailer Refrigeration Unit

SLXi Local Trailer Refrigeration Unit

Thermo King’s SLXi Local™ gives the North America market several distinct – and proven – advantages in one quiet, light weight package that has been optimized to deliver in both the PUP and full length trailer urban food distribution markets. 

  • The lighest trailer refrigeration unit available in North America
  • The slim line design provides an additional 6 inches of coupling space between the tractor and trailer
  • 3.0 decibels quieter at low speed than the competitors
  • Utilizing next-generation R452A refrigerant, it reduces global warming impact by 45% over competitive units..

Telematics for your fleet

Every Precedent TRU comes connected from the factory with TracKing® telematics, making it easier for fleets to monitor and analyze their refrigerated fleet operations.

  • Real-time connectivity
  • Compliance and security
  • Lower Costs

Save money with ThermoLite Solar Panels

ThermoLite® solar panels deliver clean, reliable performance resulting in longer battery life, lower fuel consumption, and reduced emissions. Given these potential benefits, ThermoLite solar panels can be an important part of a comprehensive sustainability program for any business.

Airflow Matters

The pallet in the back of the trailer is just as important as the one in the front. Learn more about Thermo King's superior airflow performance compared to Carrier.

Sustainability

The Precedent S-Series engine was developed to meet both CARB and EPA emissions compliance starting in 2013. It also fulfills all of the newly proposed emissions concepts by CARB. R452A refrigerant is standard in Precedent units. R452A provides a lower Global Warming Potential (GWP) and reduces the carbon footprint of refrigerants used by fleets by nearly 50%. Precedent offers returnable packaging pallets to reuse and save wood.

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