Thermo King trailer unit
Precedent S-750i
A hybrid-electric architecture with integrated shore power, for powerful performance on and off the road.
Why the Precedent S-750i
Shore power, built in
An electrically driven scroll compressor cuts operating costs on shore power.
Frozen capacity at -20°F
Delivers 26,500 BTU/hr at -20°F on diesel and 25,500 BTU/hr on shore power, at 100°F ambient and high-speed engine operation.
A 50-state solution
Built on the proven S-Series engine, it meets current and proposed CARB ULETRU emissions without a DPF, so it runs in all 50 states.
Fewer engine run hours
Quicker pull-down and recovery from null, plus smart use of three engine speeds, mean fewer engine run hours and less engine maintenance.
TracKing from the factory
Every S-750i is factory-equipped with TracKing telematics for temperature monitoring, rapid alarm detection and door-open security alerts.
Next-generation controller
A full-color, high-resolution display designed for ease of use, with proactive alarms that show a recommended next best action.
Overview
- 68,000BTU/hrCooling at 35°F on diesel, high speed
- 64,000BTU/hrCooling at 35°F on electric shore power
- 3speedsA three-speed engine: high, medium and low
- 24monthsOf complimentary TracKing telematics from the factory
Thermo King built the S-750i on its proven S-Series engine. It meets current and proposed CARB ULETRU emissions without a DPF, so it runs in all 50 states. It uses R452A refrigerant.
Built to plug in.
What Thermo King changed in the S-750i, and what it means at the dock and on the road.
Shore power, built in.
Plug in at the dock and an electrically driven Thermo King scroll compressor does the work, which cuts shore power operating costs. 460-volt, 3-phase AC shore power is standard.
- Fewer emissions than diesel
- At least 3 decibels quieter than running the diesel engine
- Fewer engine hours, so less engine maintenance and a longer unit life
Benefits of shore power operation.
Three engine speeds.
Quicker pull-down and recovery from null, and smart use of three engine speeds, mean fewer engine run hours and less engine maintenance.
- First use of a diesel-electric architecture with integrated shore power
- First use of a 3-speed engine
- First use of a next-generation control system
What's new in the S-750i.
Any load, any dock.
The S-750i has the industry's deepest frozen unit capacity: 26,500 BTU/hr at -20°F on diesel, and 25,500 on shore power.
A controller made for the yard.
The S-750i has a new controller and display, built to be easy to use.
- Full-color, high-resolution displayDesigned for ease of use and convenience
- Fast startThermo King's fastest boot time yet
- IP69K ratedFully submersible, dustproof and resistant to shocks
- Fuel insightConsumption and fuel remaining, with the optional sensor fitted
- Proactive alarmsAlarm codes with a recommended next best action
- Data loggingOver a year of capacity, and 14 language options
Compare the S-750i.
Side by side with another single-temperature Precedent, with only the differences showing.
Every Precedent side by sideUnit specs
Specs for the S-750i, with their test conditions.
Refrigeration capacity
| Box temperature | Diesel, high speed | Electric shore power |
|---|---|---|
| 35°F | 68,000 BTU/hr | 64,000 BTU/hr |
| 0°F | 43,000 BTU/hr | 40,000 BTU/hr |
| -20°F | 26,500 BTU/hr | 25,500 BTU/hr |
System net cooling capacity at 100°F ambient and high-speed engine operation.
Heating capacity
| Diesel | 36,000 BTU/hr |
|---|---|
| Electric | 25,000 BTU/hr |
System net heating capacity at 35/0°F ambient.
Evaporator airflow
| High speed | 3,300 CFM |
|---|---|
| Low speed | 2,000 CFM |
| Shore power | 3,350 CFM |
Engine
| Model | TK488CR1 |
|---|---|
| RPM at high, medium and low speed | 2,050 / 1,810 / 1,250 |
| HP rating at 2,050 RPM | 33 HP |
| Maintenance interval | 3,000 hrs / 4,000 hrs |
Four cylinder, direct injection, liquid cooled.
Compressor
| Thermo King scroll compressor | TKSR151 |
|---|---|
| Displacement | 9.4 in³ (153 cc/rev) |
| Warranty | 7 years |
Thermo King's warranty documentation sets the terms.
Refrigerant
| Type | R452A |
|---|---|
| Charge | 16 lbs |
Zero ozone depletion potential, internationally approved.
Weight
| System, wet with battery | 2,200 lbs |
|---|
Compliance
| California (CARB) | ULETRU compliant, 50-state |
|---|---|
| EPA | >25 HP Tier IV |
Standard and optional
- StandardSecond-generation ULETRU compliant engine with 3-speed operation · 24 months of TracKing telematics · 30-watt ThermoLite solar panel · next-generation controller · 30-amp battery charger in place of an alternator · fuel tank and mounting hardware · 460V 3-phase AC shore power
- OptionsTemperature data logger · door switches · status lights · fuel heater · whisper kit · 4K filtration · appearance packages
Resources
Thermo King's literature for the S-750i. Each opens on thermoking.com.
- Spec sheetPrecedent S-750i specification sheetPDF · 187 KB · TK 57100-2-PLOpen Precedent S-750i specification sheet (PDF, opens in a new tab)
- Operator's manualS-750i operator's manualPDF · 52 MB · TK 57041-2-OPOpen S-750i operator's manual (PDF, opens in a new tab)
- Installation manualS-750i installation manualPDF · 25 MB · TK 57073-2-IMOpen S-750i installation manual (PDF, opens in a new tab)
- BrochureTrailer portfolio brochurePDF · 3 MB · TK 56862Open Trailer portfolio brochure (PDF, opens in a new tab)
Keep it running.
The service, parts and plans behind every unit TKSE sells.
Service Factory-trained technicians at seven shops, and mobile service trucks that come to the unit.
Parts Every TKSE shop has a parts department with genuine Thermo King parts.
Guaranteed Maintenance Thermo King's fixed-cost agreement for planned and unscheduled maintenance and breakdown repairs. Your shop sets it up.
Get a quote on the Precedent S-750i.
Tell us what you need and pick your shop. Or call and talk it through.
- Seven shops in Florida, Georgia and Mississippi.
- Factory-trained technicians, with ongoing training.
- A parts department at every shop.
- Service trucks that come to the unit.
Questions
About the S-750i. Anything else, call your shop.
Does the S-750i come with shore power?
Yes. 460-volt, 3-phase AC shore power is standard. On shore power it's rated at 64,000 BTU/hr at 35°F.
Can I run it in California?
Yes. It's CARB ULETRU compliant for a 50-state solution, and it meets current and proposed CARB ULETRU emissions without a DPF.
What refrigerant does it use?
R452A, with a 16 lb charge. R452A reduces the carbon footprint of refrigerants used by fleets by nearly 50%.
How often does the engine need service?
The maintenance interval is 3,000 or 4,000 hours. Your shop can tell you which applies to your unit.
Is telematics included?
Yes. Every S-750i comes factory-equipped with 24 months of complimentary TracKing telematics.
What options can I add?
A temperature data logger, door switches, status lights, a fuel heater, a whisper kit, 4K filtration and appearance packages.
Does Thermo King's Extended Warranty cover it?
It's on the Extended Warranty coverage chart, with full-unit and major-component options. Ask your shop for the terms.
Who services it?
TKSE's factory-trained technicians, at seven shops in Florida, Georgia and Mississippi, plus mobile service trucks. See service.
Other Precedent units
Compare all seven
Precedent S-600Double-digit fuel savings and Thermo King reliability and performance. Its evergreen CARB compliant engine makes it a 50-state solution.
Precedent S-700For single-temperature trailers requiring deep-frozen capability. CARB Evergreen certified and customizable for your business.
Precedent C-600For businesses that don't operate in California, a cost-effective way to take advantage of the benefits of the Precedent line.
Precedent S-610MMulti-temp, optimized for food distribution, with CARB Evergreen certification so no DPF will ever be required.
Get a quote on the S-750i from TKSE.
Or call your shop with a question about the S-750i.