Refrigerated Trailer Units
Industry-Leading Trailer Refrigeration
Industry-leading Thermo King trailer refrigeration for single-temp and multi-temp applications. Precedent, SLXi, and multi-temp platforms for every distribution need.
Refrigerated Trailer Units Lineup
Find the right unit for your operation — explore each model and request a quote.
Single-Temp Trailer Units
A cost-effective reefer with superior temperature control
Precedent C-600
The Precedent C-600 is a cost-effective trailer reefer unit offering superior temperature control, outstanding efficiency, and reliability for transport refrigeration.
Setting the standard in transport refrigeration
Precedent S-600
The Precedent S-600 sets the standard in transport refrigeration, offering double-digit fuel savings and CARB Evergreen certification without the need for a DPF.
CARB Evergreen and customizable for deep-frozen capability
Precedent S-700
The Precedent S-700 reefer unit offers deep-frozen capability and CARB Evergreen certification, providing double-digit fuel savings without the need for a DPF.
SLXi Local
The SLXi Local features a lightweight, slim design for maximum cargo space, enhanced fuel efficiency, and Thermo King's Whisper technology for quieter deliveries.
Multi-Temp Trailer Units
A cost-effective reefer with superior Thermo King technology
Precedent C-600M
The Precedent C-600M is a cost-effective multi-temp reefer unit, optimized for food distribution, offering superior temperature control and double-digit fuel savings.
Two separate temperature zones in one trailer
Precedent S-610DE
The Precedent S-610DE is a multi-temp reefer unit designed for food distribution, allowing for two separate temperature zones in one trailer without adding remote evaporators. It is CARB Evergreen compliant, eliminating the need for a DPF.
Optimized for food distribution, with CARB Evergreen certification.
Precedent S-610M
The Precedent S-610M is a multi-temp reefer unit optimized for food distribution, featuring CARB Evergreen certification for no DPF requirement and superior temperature control.
Our most innovative offering yet: powerful performance on and off the road.
Precedent S-750i
The S-750i is Thermo King's most innovative trailer reefer unit, featuring a hybrid-electric architecture with integrated shore power for powerful performance on and off the road. It delivers cost savings, greater uptime, lower emissions, and is evergreen CARB compliant for 50-state operation.
Built for Performance. Backed by Sonsray Fleet Services.
Every Thermo King unit we sell is backed by the largest service network in North America — engineered to protect your cargo, reduce operating costs, and keep you compliant.
CARB Compliant
All units meet California Air Resources Board emissions standards for nationwide operation.
ETV Control
Electronic Throttle Valve technology for precise temperature management and fuel savings.
Smart Reefer Telematics
Real-time monitoring, diagnostics, and fleet tracking through TracKing connected solutions.
Zone Control
Multi-temp units support independent zone management for mixed loads on a single trailer.
CYCLE-SENTRY
Intelligent engine management minimizes run time and fuel consumption during standby.
Low Total Cost of Ownership
Engineered for extended maintenance intervals, fuel efficiency, and long service life.
The Sonsray Fleet Services Advantage
When you partner with Sonsray Fleet Services, you get more than equipment — you get North America's largest Thermo King dealer network.
Thermo King Authorized
Factory-authorized sales, service, parts, and warranty support nationwide.
13+ Locations
Coverage across the Western US with on-site and mobile service teams.
24/7 Emergency Service
Round-the-clock roadside support to keep your cold chain moving.
Genuine TK Parts
Massive in-stock inventory of Thermo King OEM parts ready to ship.
Request a Quote
Tell us what you're looking for and a local Sonsray representative will reach out to you promptly with pricing and availability.
- No obligation — just honest answers from equipment experts.
- Fast response from your nearest Sonsray location.
- Factory pricing, financing options, and trade-in evaluation available.
- We carry new, used, and demo equipment across all brands.
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