Description
The Thermo King Precedent® S-700 trailer refrigeration system delivers industry-leading temperature control and high capacity for single-temperature trailers requiring deep-frozen capabilities. Built on an innovative Diesel Direct Electric (DDE) architecture, the S-700 provides double-digit fuel savings while minimizing energy loss. It features a >25 horsepower liquid-cooled four-cylinder engine certified CARB Evergreen and compliant with EPA Final Tier 4 standards, eliminating the need for a Diesel Particulate Filter (DPF).
Equipped with an X430 reciprocating compressor and microchannel condenser coils with more than double the standard surface area, this unit maximizes airflow, eliminates dead spots, and enables faster pull-down times. Advanced Smart Reefer® 4 (SR4) controls and integrated TracKing® telematics allow for real-time diagnostics, fuel monitoring, and operational compliance.
| Brand | Thermo King |
| Model | Precedent S-700 |
| Product Type | Trailer Refrigeration Unit |
| Refrigeration Capacity (35°F) | 68,000 BTU/hr (19,929 W) |
| Heating Capacity | 72,000 BTU/hr |
| Airflow Volume | 3,300 ft³/min |
| Engine Model | TK488CRH |
| Engine Type | 4-Cylinder Direct Injection Liquid-Cooled |
| Engine Power Rating | 35 hp @ 2600 RPM |
| Compressor Model | X430L |
| Compressor Displacement | 30.0 in³ |
| Refrigerant | R404A / R452A |
| Dimensions | 81.6 in x 86.2 in x 24 in |
| System Weight | 1872 lb |
| Maintenance Interval | 3,000 hrs / 4,000 hrs |















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