QSB6.7 Construction Machinery Engines Basic information

Engine Type:6 – Cylinder; In – line; 4 – Cycle
Displacement:6.7 L
Rated Speed:1800 – 2500 RPM
Advertised Power:130 HP to 260 HP @ 1800 – 2500 RPM
Peak Torque:580 to 990 N.m. @ 1800 – 2500 RPM
Bore * Stroke:107mm*124 mm
Packing Size (L * W * H):1150mm * 1010mm * 910mm
Dry Weight:950-1100kg
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DONGFENG CUMMINS

DCEC QSB6.7 Construction Machinery Engines Detailed information

The text you provided describes the Dongfeng Cummins Joint Venture Plant (DCEC), which was established in 1986 as a joint venture between Dongfeng and Cummins USA, with Cummins holding a 50% stake. The plant operates under Cummins’ technology and product line, producing engines that are widely used in various heavy-duty applications.
One of the notable engines mentioned is the Cummins QSB6.7-C, which is known for its versatility and reliability. It is commonly used in:
Heavy trucks
Excavators
Road rollers
Bulldozers
Cranes
Water pumps
Engine power packs
Key Features of the Cummins QSB6.7-C Engine:
High Fuel Efficiency: Designed to optimize fuel consumption, making it cost-effective for heavy-duty operations.
Advanced Integrated Design: Incorporates Cummins’ advanced engineering for seamless performance.
Sophisticated Manufacturing: Ensures high-quality production standards.
Holset Exhaust Gas Wastegate: Enhances turbocharger efficiency and engine performance.
Rotor High-Pressure Fuel Pump: Delivers precise fuel injection for better combustion and power output.
Platform Honing Designed Cylinder Liner: Improves durability and reduces friction, contributing to longer engine life.
Durable and Excellent Performance: Known for its reliability and ability to perform under demanding conditions.
This engine is a testament to Cummins’ commitment to innovation, efficiency, and durability in the field of diesel engines. It is widely trusted in industries requiring robust and dependable power solutions.

Engine ModelGoverned(KW@RPM)Peak Torque(Nm@RPM)Intake
QSB6.7-C130-3099 KW@2200 RPM580 Nm@1400 RPMSupercharged intercooling
QSB6.7-C155-30116 KW@2000 RPM622 Nm@1500 RPMSupercharged intercooling
QSB6.7-C160-31119 KW@2500 RPM732 Nm@1500 RPMSupercharged intercooling
QSB6.7-C170-30129 KW@2200 RPM800 Nm@1500 RPMSupercharged intercooling
QSB6.7-C190-30142 KW@2200 RPM931 Nm@1400 RPMSupercharged intercooling
QSB6.7-C190-31142 KW@2050 RPM930 Nm@1300 RPMSupercharged intercooling
QSB6.7-C205-30153 KW@1800 RPM929 Nm@1300 RPMSupercharged intercooling
QSB6.7-C215-30158 KW@2000 RPM962 Nm@1300 RPMSupercharged intercooling
QSB6.7-C215-31160 KW@2500 RPM888 Nm@1500 RPMSupercharged intercooling
QSB6.7-C220-30164 KW@2200 RPM949 Nm@1500 RPMSupercharged intercooling
QSB6.7-C220-31164 KW@2000 RPM950 Nm@1250 RPMSupercharged intercooling
QSB6.7-C240-30178 KW@2200 RPM970 Nm@1500 RPMSupercharged intercooling
QSB6.7-C250-30186 KW@2200 RPM990 Nm@1500 RPMSupercharged intercooling
QSB6.7-C260-30194 KW@2200 RPM990 Nm@1500 RPMSupercharged intercooling
QSB6.7-C260-31194 KW@2400 RPM990 Nm@1500 RPMSupercharged intercooling