Product Description
Cummins Original Engine K38 KTA38-C for Construction is a 38-liter turbocharged and aftercooled diesel engine designed specifically for heavy-duty construction and industrial machinery. With high torque output and robust performance, the K38-C is ideal for demanding job sites where medium-to-large equipment requires reliable and continuous operation. Its rugged construction and ease of maintenance ensure long service life under harsh conditions.
Cummins KTA38-C1300 Technical Data Sheet
| Parameter | Specification |
| Engine Model | Cummins KTA38-C1300 |
| Type | 4-stroke, V12, twin-turbocharged aftercooled diesel engine |
| Displacement | 38.0 L |
| Bore × Stroke | 138 mm × 159 mm |
| Compression Ratio | 14.5:1 |
| Rated Power | 1300 HP (970 kW) @ 1900 RPM |
| Peak Torque | 5200 N·m @ 1300-1500 RPM |
| Fuel System | PT Fuel System |
| Air Intake Method | Dual-Turbocharged & aftercooled |
| Cooling System | Closed Water-Cooled |
| Lubrication | Gear-driven forced lubrication (with oil cooler) |
| Oil Capacity | 110-120 L |
| Coolant Capacity | 140-150 L |
| Fuel Consumption | 190-200 g/kWh (at full load) |
| Emission Standard | Tier 3/China III |
| Net Weight | 3100-3300 kg (depending on configuration) |
| Applications | Construction machinery, mining heavy equipment |
Cummins KTA38-C Series Core Specification Comparison
| Parameter | KTA38-C700 | KTA38-C800 | KTA38-C900 | KTA38-C1050 | KTA38-C1300 |
| Engine Model | KTA38-C700 | KTA38-C800 | KTA38-C900 | KTA38-C1050 | KTA38-C1300 |
| Max Power (HP) | 700 HP | 800 HP | 900 HP | 1050 HP | 1300 HP |
| Max Power (kW) | 522 kW | 597 kW | 671 kW | 783 kW | 969 kW |
| Rated Speed (RPM) | 1800 | 1800 | 1800 | 1800 | 1800 |
| Displacement (L) | 37.8 | 37.8 | 37.8 | 37.8 | 38 |
| Bore x Stroke (mm) | 159 x 159 | 159 x 159 | 159 x 159 | 159 x 159 | 138 x 159 |
| No. of Cylinders | 12 / V-type | 12 / V-type | 12 / V-type | 12 / V-type | 12 / V-type |
| Air intake method | Turbocharged & Aftercooled | Turbocharged & Aftercooled | Turbocharged & Aftercooled | Turbocharged & Aftercooled | Dual-Turbocharged & aftercooled |
| Compression Ratio | 13.9:1 | 13.9:1 | 13.9:1 | 13.9:1 | 14.5:1 |
| Fuel System | PT Fuel System | PT Fuel System | PT Fuel System | PT Fuel System | PT Fuel System |
| Cooling System | Closed Water-Cooled | Closed Water-Cooled | Closed Water-Cooled | Closed Water-Cooled | Closed Water-Cooled |
| Starting Method | Electric / Air Start | Electric / Air Start | Electric / Air Start | Electric / Air Start | Electric / Air Start |
Features & Benefits
- High Torque & Load Capacity – Delivers powerful torque for medium-to-large construction machinery, handling heavy loads efficiently.
- Turbocharged & Aftercooled – Provides consistent power and improved fuel efficiency under demanding operations.
- Service-Friendly Maintenance – Simplified access to components reduces downtime on job sites.
- Reliable Continuous Operation – Maintains performance under prolonged low-speed, high-load conditions.
- Genuine Cummins Quality – Factory-original engine supported by Cummins’ global service network.
Typical Applications
- Large bulldozers and dozers
- Excavators and heavy-duty backhoes
- Wheel loaders and skid-steer loaders
- Concrete pump trucks and mixer trucks
- Mining, quarry, and earthmoving machinery















