Cummins Engine Jacket Water Heaters
Jacket Water Heaters serve as the "pacemaker for cold startup" of diesel generator sets and construction machinery under low-temperature conditions. We supply OEM-grade jacket water heater solutions for large-displacement Cummins engines including NT855, K19 and K38.By submerging the heating element into coolant, the unit maintains the engine block at an optimal standby temperature of 38℃–45℃. It thoroughly eliminates cold start difficulty, incomplete combustion and oil emulsification issues, making it an essential component for critical backup power systems in data centers, hospitals, mines and other facilities.
Cummins Engine Jacket Water Heaters
Product Overview
Jacket Water Heaters serve as the "pacemaker for cold startup" of diesel generator sets and construction machinery under low-temperature conditions. We supply OEM-grade jacket water heater solutions for large-displacement Cummins engines including NT855, K19 and K38.By submerging the heating element into coolant, the unit maintains the engine block at an optimal standby temperature of 38℃–45℃. It thoroughly eliminates cold start difficulty, incomplete combustion and oil emulsification issues, making it an essential component for critical backup power systems in data centers, hospitals, mines and other facilities.
Core Advantages
Model-by-Model Application Breakdown
NT855 Series Jacket Water Heaters
- Applicable Engines: NT855, NTA855, NT855-GA (Bulldozers, 200–300kW generator sets)
- Core Part Numbers: 4061041, 3097945, 3021242
- Technical Highlights: Customized for the cast iron cylinder block of NT855 engines, with standard power ratings of 1500W / 2000W. Compatible with high-flow cooling systems, it delivers uniform cylinder block temperature without local overheating even under extreme cold conditions down to -40℃.
K19 Series Jacket Water Heaters
- Applicable Engines: K19, KTA19, K19-G4 (400–500kW generator sets)
- Core Part Numbers: 4061041, 3097946, 3820708
- Technical Highlights: Optimized to meet the cold-start requirements of K19 engines. Fitted with heating tubes protected by stainless steel jackets, boosting corrosion resistance by 50%. It perfectly matches the electrical interfaces of assembled units such as KOHLER generators.
K38 Series Jacket Water Heaters
- Applicable Engines: K38, KTA38, KTA50 (800–1200kW large power stations / marine vessels)
- Core Part Numbers: 4061041, 3097947, 3643502
- Technical Highlights: Specially designed for V-type 12/16-cylinder engines, with optional high power ratings ranging from 2000W to 3000W. Parallel installation of two heaters is supported to guarantee uniform heating of left and right cylinder banks on large-displacement engines, eliminating risks of thermal stress deformation.
Technical Parameters & Certifications
| Model | Compatible Engines | Rated Voltage | Rated Power | Material | Ingress Protection Rating |
| NT855 Standard Type | NTA855 | 220V / 110V | 1500W | Stainless Steel + Copper | IP55 |
| K19 Universal Type | KTA19 | 220V / 110V | 1500W / 2000W | Stainless Steel | IP55 |
| K38 Heavy-Duty Type | KTA38 / K50 | 220V / 380V | 2000W–3000W | Thickened Stainless Steel | IP65 |
Quality Certification
Quality Certifications: Certified by CE, UL and CSA standards.
The thermostat achieves a temperature control accuracy of ±3℃ to deliver stable constant temperature operation.
Application Cases & Customer Testimonials
- Data Center Sector:A K19 backup generator set deployed at a northern big data center was fitted with our 4061041 jacket water heater. During blizzard weather at -30℃, the unit started successfully on the first attempt within 10 seconds after mains power failure, enabling zero-delay power supply.
- Mining Sector:For an NT855 excavator operating at a plateau copper mine, the jacket water heater eliminated white exhaust smoke during cold startup in winter. The time required to build up oil pressure was cut by 50%, and engine noise was significantly reduced.
Service Commitments
- Direct Shipment from Stock:Dual warehouses in Chongqing hold inventory of standard models (e.g. 4061041), with shipments dispatched within 24 hours.
- Technical Guidance:Free installation position diagrams and wiring schematics provided; remote commissioning support available.
- Warranty Policy:12-month extended warranty. Free replacement for faulty thermostats.
- Get Your Customized Solution Now Submit your engine model or voltage requirements, and our engineers will match the optimal heater configuration for you within 1 hour!