ISB3.9 Automotive Engines Basic information

Engine Type:4 – Cylinder; In – line; 4 – Cycle
Displacement:3.9 L
Rated Speed: 2500 RPM
Advertised Power:92 KW to 116 KW @ 2500 RPM
Peak Torque:410 N.m to 510 N.m @ 2500 RPM
Bore * Stroke:102 mm*120 mm
Packing Size (L * W * H):1010mm * 800mm * 800mm
Dry Weight:500-600kg
DONGFENG CUMMINS

DCEC ISB3.9 Automotive 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 ISB3.9, 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 ISB3.9 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
ISB3.9-125E40A92@2500410@1200-2100Supercharged intercooling
ISB3.9-160E40A116@2500510@1200-1900Supercharged intercooling