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Cummins QSM11 6-Cylinder Water-Cooled 10.8L Diesel Engine for 40-50 Ton Heavy Excavators
| Brand Name | Cummins |
|---|---|
| Model Number | QSM11 |
Product Details
| Engine Model | Cummins QSM11 (QSM11-C250, QSM11-C335, QSM11-C385, QSM11-C400 Variants Available) | Engine Type | Vertical, Inline 6-cylinder, 4-stroke, Water-cooled, Turbocharged & Charge Air Cooled Diesel Engine |
|---|---|---|---|
| Bore × Stroke | 125mm × 147mm (4.92in × 5.79in) | Displacement | 10.8L (10800cc/659 Cu·in) |
| Compression Ratio | 16.3:1 (standard Industrial Variant) | Rated Power | 250kW (335HP) @ 2100rpm (QSM11-C250), 263kW (353HP) @ 1900rpm (Hyundai R485LC-9), 298kW (400HP) @ 2100rpm (max Variant) |
| Maximum Torque | 1647Nm (1215lb-ft) @ 1400rpm (QSM11-C250), 1898Nm (1400lb-ft) @ 1400rpm (QSM11-C400) | Fuel System | Cummins Celect Electronic Unit Injection (EUI) Or High-Pressure Common Rail (HPCR) |
| Firing Order | 1-5-3-6-2-4 | Cooling System | Forced Water Cooling With Aluminum Radiator + Charge Air Cooler + Closed Crankcase Ventilation |
| Lubrication System | Pressure Feed With Full-flow Filtration + Bypass Filtration, Oil Cooler Included | Oil Capacity | 30L (31.7qts) Including Oil Filter |
| Fuel Consumption | ≤217g/kW·h (at Rated Power, Excellent Fuel Economy For Heavy Machinery) | Starter Type | Electric Starter, 24V/11kW, With Cold Start Aid System |
| Alternator | 24V/100A (120A Optional) | Dry Weight | Approx. 980-1020kg (depending On Variant And Accessories) |
| Dimensions (L×W×H) | 1550mm × 950mm × 1100mm (engine Only) | Emission Standard | EU Stage IIIA, EPA Tier 3, China Non-road Stage II/III (depending On Variant) |
| Key Features | Robust Cast Iron Engine Block, Single Cylinder Head With 4 Valves Per Cylinder, Electronic Control System For Precise Fuel Delivery, Excellent Low-speed Torque, 15000+ Hours Major Overhaul Period, Ideal For Heavy Excavator And Mining Applications | Application | Hyundai R485LC-9, LiuGong 950EII, Caterpillar 349D, 40-50 Ton Class Large Excavators, Mining Machinery, Heavy Construction Equipment |
| Highlight | 10.8L Displacement Excavator Engine,6-Cylinder Water-Cooled Diesel Engine,Cummins QSM11 Heavy Equipment Engine |
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Product Description
Cummins QSM11 Engine Assembly
High-performance 6-cylinder water-cooled diesel engine assembly designed specifically for heavy-duty industrial applications.
- 10.8L displacement for optimal power output
- Water-cooled system for efficient temperature management
- 6-cylinder configuration for smooth operation
- Designed for 40-50 ton heavy excavators
- Cummins reliability and durability
Technical Specifications
| Engine Model | Cummins QSM11 |
|---|---|
| Cylinder Configuration | 6-Cylinder In-Line |
| Displacement | 10.8 Liters |
| Cooling System | Water-Cooled |
| Application | 40-50 Ton Heavy Excavators |
| Engine Type | Diesel |
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