Place of Origin:
China
Brand Name:
Cum-mins
Model Number:
6BT5.9
Inline 6 Cylinder Diesel Engine Assembly Complete 6BT59 Construction Engine
The 6BT5.9 complete inline 6-cylinder diesel engine assembly is a proven, heavy-duty power unit built to power excavators, loaders, and other industrial equipment. This water-cooled, turbocharged engine delivers reliable, fuel-efficient performance for both prime power and mobile applications. Every unit comes fully assembled with the turbocharger, alternator, starter motor, cooling system, and fuel injection system, requiring no additional parts for installation. Bench-tested to OEM standards, it ensures plug-and-play operation, minimal downtime, and consistent power output in even the harshest working conditions.
| Category | Parameter | Specification |
|---|---|---|
| General Information | Engine Model | 6BT5.9 |
| Configuration | Inline 6-cylinder, 4-stroke diesel engine | |
| Cooling System | Water-cooled | |
| Condition | New complete assembly, 100% bench-tested | |
| Warranty | 6-month comprehensive manufacturer warranty | |
| Performance Parameters | Rated Power | 125–180 hp (93–134 kW) @ 2500 RPM |
| Displacement | 5.9 L (5883 cc) | |
| Aspiration | Turbocharged | |
| Compression Ratio | 17.5:1 | |
| Fuel System | Mechanical direct injection | |
| Fuel Type | Diesel (EN 590 / ASTM No. 2) | |
| Fuel Consumption | ~220 g/kWh @ 75% load | |
| Mechanical Specifications | Starting System | 12V / 24V electric starter motor |
| Charging System | 12V / 24V alternator | |
| Lubrication System | Pressure-fed lubrication with full-flow filter | |
| Dry Weight | ~420 kg | |
| Dimensions (L×W×H) | ~1050 × 650 × 900 mm | |
| Emission Compliance | Emission Standard | Non-road Tier 1 / Stage I |
| Applications | Primary Use | Excavators, wheel loaders, industrial generators, heavy-duty trucks, construction machinery |
| Part Number | Configuration | Description & Compatibility |
|---|---|---|
| 6BT5.9-C150 | 150HP Industrial/Excavator | Factory-original complete engine assembly, the most common version for PC200-6/PC220-7 excavators |
| 6BT5.9-C170 | 170HP High-Power | 170HP variant for heavy-duty excavators and wheel loaders |
| 6BT5.9-G2 | Generator Set Version | Calibrated for genset applications, 120-150kVA power range |
| 6BT5.9-210 | Truck Version | 210HP variant for heavy-duty trucks |
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