B5.9 Construction Machinery Engines Basic information

Engine Type:6 – Cylinder; In – line; 4 – Cycle
Displacement:5.9 L
Rated Speed:2200 – 2500 RPM
Advertised Power:130 HP to 205 HP
Peak Torque:580 N.m to 870 N.m
Bore * Stroke:102 mm*120 mm
Packing Size (L * W * H):1112mm * 912mm * 1100mm
Dry Weight:500-600kg
CHONGQING CUMMINS

DCEC B5.9 Construction Machinery Engines Detailed information

The Cummins 6BT5.9-C engine is a highly regarded diesel engine produced by the Dongfeng Cummins Engine Company (DCEC), a joint venture established in 1986 between Cummins USA (holding a 50% stake) and Dongfeng Motor Corporation. This engine is part of Cummins’ globally recognized B Series engines, known for their reliability, durability, and performance.
Key Features of the Cummins 6BT5.9-C:
High Fuel Efficiency:
The engine is designed to deliver optimal fuel economy, making it cost-effective for a wide range of applications.
Advanced Integrated Design:
The engine features a compact and robust design, ensuring ease of installation and maintenance.
Holset Exhaust Gas Wastegate Turbocharger:
Equipped with a Holset turbocharger, the engine provides excellent power output and efficiency by effectively utilizing exhaust gases.
Rotor High-Pressure Fuel Pump:
The high-pressure fuel injection system ensures precise fuel delivery, contributing to better combustion and performance.
Platform Honing Designed Cylinder Liner:
The cylinder liner is designed using advanced honing technology, enhancing durability and reducing friction for improved engine life.
Durable and Excellent Performance:
The engine is built to withstand tough operating conditions, making it suitable for heavy-duty applications.
Applications:
The Cummins 6BT5.9-C engine is widely used in various industries and equipment, including:
Dongfeng Trucks (light, medium, and heavy-duty)
Heavy Trucks
Excavators
Road Rollers
Bulldozers
Cranes
Water Pumps
Engine Power Packs (for generators and other stationary equipment)
Technical Specifications (General):
Engine Type: Inline 6-cylinder, 4-stroke diesel engine
Displacement: 5.9 liters (5900 cc)
Aspiration: Turbocharged (with wastegate)
Fuel System: Direct injection
Cooling System: Liquid-cooled
Power Output: Varies depending on application (typically ranges from 130 to 230 HP)
Torque: High torque output for heavy-duty applications
Advantages:
Global Cummins Technology: Built under Cummins’ stringent quality standards and technical expertise.
Proven Reliability: Widely used in demanding environments, ensuring long service life.
Low Maintenance: Designed for easy servicing and reduced downtime.
The Cummins 6BT5.9-C engine is a testament to the successful collaboration between Cummins and Dongfeng, combining global engineering excellence with localized manufacturing to meet the needs of diverse industries.

Engine ModelGoverned(KW@RPM)Peak Torque(Nm@RPM)Intake
6BT5.9-C115115 HP @ 2000 RPM430 N.m @ 1500 RPMSupercharged intercooling
6BT5.9-C120120 HP @ 2200 RPM436 N.m @ 1500 RPMSupercharged intercooling
6BT5.9-C125123 HP @ 2200 RPM400 N.m @ 2200 RPMSupercharged intercooling
6BT5.9-C130130 HP @ 2200 RPM560 N.m @ 1500 RPMSupercharged intercooling
6BT5.9-C135135 HP @ 2000 RPM570 N.m @ 1500 RPMSupercharged intercooling
6BT5.9-C145145 HP @ 2100 RPM580 N.m @ 1500 RPMSupercharged intercooling
6BT5.9-C150150 HP @ 2500 RPM565 N.m @ 1500 RPMTurbocharged
6BTA5.9-C155155 HP @ 2000 RPM630 N.m @ 1400 RPMTurbochanger & Water-Air Intercooler
6BTA5.9-C165165 HP @ 2300 RPM435 N.m @ 1400 RPMTurbocharged
6BTA5.9-C170170 HP @ 2300 RPM630 N.m @ 1400 RPMTurbochanger & Water-Air Intercooler
6BTA5.9-C175175 HP @ 2200 RPM680 N.m @ 1500 RPMTurbochanger & Water-Air Intercooler
6BTA5.9-C180180 HP @ 2200 RPM435 N.m @ 1500 RPMTurbocharged & Aftercooled
6BTAA5.9-C130130 HP @ 2200 RPM580 N.m @ 1500 RPMTurbocharged&Air-Air Intercooler
6BTAA5.9-C150149 HP @ 1950 RPM549 N.m @ 1950 RPMTurbocharged & Air-Air Intercooler
6BTAA5.9-C160160 HP @ 2200 RPM670 N.m @ 1500 RPMTurbocharged & Air-Air Intercooler
6BTAA5.9-C170170 HP @ 2200 RPM750 N.m @ 1400 RPMTurbocharged&Air-Air Intercooler
6BTAA5.9-C180177 HP @ 2200 RPM573 N.m @ 2200 RPMTurbocharged&Air-Air Intercooler
6BTAA5.9-C190190 HP @ 2000 RPM678 N.m @ 2000 RPMTurbocharged & Aftercooled
6BTAA5.9-C205205 HP @ 2200 RPM664 N.m @ 2200 RPMTurbocharged & Aftercooled