
B3.9 Construction Machinery Engines Basic information
Engine Type: | 4 – Cylinder; In – line; 4 – Cycle |
Displacement: | 3.9 L |
Rated Speed: | 1900 – 2100 RPM |
Advertised Power: | 80 HP to 130 HP @ 1900 – 2100 RPM |
Peak Torque: | 370 N.m to 510 N.m @ 1300 – 1500 RPM |
Bore * Stroke: | 102 mm*120 mm |
Packing Size (L * W * H): | 1110mm * 910mm * 1350mm |
Dry Weight: | 500-600kg |
DCEC B3.9 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 4BT3.9-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 4BT3.9-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 Model | Governed(HP@RPM) | Peak Torque(Nm@RPM) | Intake |
4BTAA3.9-C115 | 115 HP @ 2200 RPM | 378 N·m @ 2200 RPM | Supercharged intercooling |
4BTAA3.9-C110 | 110 HP @ 2200 RPM | 500 N·m @ 1400 RPM | Supercharged intercooling |
4BTA3.9-C130 | 130 HP @ 2500 RPM | 475 N.m @ 1500 RPM | Supercharged intercooling |
4BTA3.9-C125 | 125 HP @ 2200 RPM | 475 N.m @ 1500 RPM | Supercharged intercooling |
4BTA3.9-C120 | 120 HP @ 2200 RPM | 460 N.m @ 1500 RPM | Supercharged intercooling |
4BTA3.9-C110 | 110 HP @ 2200 RPM | 460 N.m @ 1500 RPM | Supercharged intercooling |
4BTA3.9-C100 | 100 HP @ 2200 RPM | 410 N·m @ 1500 RPM | Supercharged intercooling |
4BTA3.9-C80 | 80 HP @ 2200 RPM | 360 N.m @ 1400 RPM | Supercharged intercooling |
4BT3.9-C110 | 110 HP @ 2600 RPM | 330 N.m @ 1600 RPM | Supercharged intercooling |
4BT3.9-C105 | 103 HP @ 2800 RPM | 330 N.m @ 1600 RPM | Supercharged intercooling |
4BT3.9-C100 | 100 HP @ 2400 RPM | 330 N.m @ 1600 RPM | Supercharged intercooling |
4BT3.9-C80 | 80 HP @ 2000 RPM | 330 N.m @ 1500 RPM | Supercharged intercooling |
4BTAA3.9-C80 | 80 HP/2200 RPM | 370Nm/1300RPM | Supercharged intercooling |
4BTAA3.9-C100 | 100 HP/2200 RPM | 400Nm/1500RPM | Supercharged intercooling |
4BTAA3.9-C125 | 125 HP/2200 RPM | 480Nm/1400RPM | Supercharged intercooling |
4BTAA3.9-C130 | 130 HP/2200 RPM | 510Nm/1400RPM | Supercharged intercooling |