Cummins QSM11 Construction engine QSM11-C300 original from US cummins and Xi'an cummins,power covers from 280HP/207KW to 400HP/296KW.the international mainstream Euro IV and Euro V emission technology greatly reduces fuel consumption and achieves the highest fuel efficiency,QSM11 engine widely used in construction machinery, such as: excavators, bulldozers, rotary drills, horizontal directional drills, snowplows, excavators, port cranes , dump truck, etc.
China Xi'an CUMMINS which call XCEC, The products are suitable for engineering machinery, mining machinery, petroleum machinery, rail machinery, port machinery, fixed and mobile diesel generator power stations, agricultural machinery, pump power units and other power units. The main products meet the Stage II and Stage IIIA emission requirements of non-highway diesel engines stipulated in Chinese national standards, Cummins QSM11-C280, which is designed and produced by Xi'an Cummins, and Xi'an Cummins mainly produces ISM11, M13, M15, QSM11 series diesel engines with a power range of 187-405kW. The diesel engine is developed and designed according to the concept of advanced heavy-duty non-highway engine technology. It has high reliability, good durability, good fuel economy, strong oil adaptability, high power, large torque, responsive performance, and strong commonality of parts and other advantages.
The main products of Xi'an Cummins diesel engines meet the requirements of the second and third stages of road diesel engines (Euro 2 and Euro 3) stipulated in Chinese national standards, American standards and European standards, as well as the second and third stages of diesel engines for non-public vehicles alignment requirements (Tier 2 and Tier 3/Stage IIIA). The engine power coverage is 187-405KW, and the product has a mature production system with stable supply capacity. The products are suitable for engineering machinery, mining machinery, petroleum machinery, rail machinery, port machinery, fixed and mobile diesel generator sets, agricultural machinery, pump power units and other power units.
Brief introduction of Cummins QSM11-C300:
The product is suitable for engineering machinery, mining machinery, petroleum machinery, rail machinery, port machinery, fixed and mobile diesel generator power stations, agricultural machinery, pump power units and other power units. The product meets the Stage II and Stage IIIA emission requirements of non-highway diesel engines stipulated in Chinese national standards, Cummins QSM11-C300 which is designed and produced by Xi'an Cummins, and Xi'an Cummins mainly produces ISM11, M13, M15, QSM11 series diesel engines with a power range of 187-405kW. The diesel engine is developed and designed according to the concept of advanced heavy-duty non-highway engine technology. It has high reliability, good durability, good fuel economy, strong oil adaptability, high power, large torque, responsive performance, and strong commonality of parts and other advantages.
The main products of Xi'an Cummins diesel engines meet the requirements of the second and third stages of road diesel engines (Euro 2 and Euro 3) stipulated in Chinese national standards, American standards and European standards, as well as the second and third stages of diesel engines for non-public vehicles alignment requirements (Tier 2 and Tier 3/Stage IIIA). The engine power coverage is 187-405KW, and the product has a mature production system with stable supply capacity. The products are suitable for engineering machinery, mining machinery, petroleum machinery, rail machinery, port machinery, fixed and mobile diesel generator sets, agricultural machinery, pump power units and other power units.
QSM11 rating
| ENGINE | ADVERTISED | PEAK TORQUE | BATING |
| MODEL | HP(KW) RPM | LB-FT(N*M)@RPM | TYPE |
| QSM11-C280 | 280(208)@2100 | 1478 N.m @ 1400 rpm | CONTINUOUS |
| QSM11-C290 | 290(216)@2100 | 1478 N.m @ 1400 rpm | CONTINUOUS |
| QSM11-C300 | 300(223)@2100 | 1478 N.m @ 1400 rpm | CONTINUOUS |
| QSM11-C335 | 335(250)@2100 | 1478 N.m @ 1400 rpm | CONTINUOUS |
| QSM11-C350 | 350(261)@2100 | 1478 N.m @ 1400 rpm | CONTINUOUS |
| QSM11-C360 | 360(268)@2100 | 1478 N.m @ 1400 rpm | CONTINUOUS |
| QSM11-C375 | 375(279)@2100 | 1478 N.m @ 1400 rpm | CONTINUOUS |
| QSM11-C400 | 400(298)@2100 | 1478 N.m @ 1400 rpm | CONTINUOUS |
QSM11 Specifications
| ENGINE TYPE | 6-CYLNDER | |
| ASPIRATION | TURBOCHARGED AND AFTERCOOLED | |
| DISPLACEMENT | 659 CU IN | 10.8 LTERS |
| BORE AND STROKE | 4.92 INX5.79 IN | 125MM*147MM |
| OIL SYSTEM CAPACITY | 7.4 U.S.GAL | 28 LTERS |
| COOLANT CAPACITY | 2.51 U.S. GAL | 9.5 LTERS |
| LENGTH | 53.9 IN | 1370MM |
| WIDTH | 36.2 IN | 920MM |
| HEIGHT | 59IN | 1500MM |
| DRY WEIGHT | 2204 LB | 1000KG |
| WET WEIGHT | 2425 LB | 1100KG |
QSM11 Diesel Engine Features And Benefits:
■ High-Pressure Common Rail (HPCR) fuel injection system delivers precise fuel metering, ensuring ultra-clean combustion, lower noise emission and exceptional fuel efficiency.
■ Optimized Large-Bore Camshaft design enhances intake and exhaust efficiency, effectively improving engine breathing performance, reducing fuel consumption and minimizing operating noise.
■ Cummins proprietary Holset Turbocharger with Aftercooling system features a high-strength alloy impeller and advanced oil-cooled bearing assembly, ensuring superior reliability under extreme conditions; the enhanced compressor design provides abundant airflow to maximize power output and extend service life.
■ Fully forged steel crankshaft with precision machining offers exceptional rigidity and fatigue resistance, capable of withstanding high cylinder pressures, thus extending overhaul intervals and overall engine durability.
■ Electronically controlled piston cooling jets deliver targeted oil flow to the piston crown and skirt, effectively managing thermal loads, reducing wear and ensuring long-term reliable operation.
■ Advanced electronic control module (ECM) enables real-time engine parameter monitoring and precise control, improving operational stability, facilitating fault diagnosis and reducing maintenance costs.