Cummins ISB3.9 Diesel Engine

Cummins ISB3.9 diesel engine

Cummins ISB3.9 series | Vehicle | Truck |  engine(s)

Max. horsepower: 160  PS
Max. torque: 510  N.m

Product Advantages

• Low fuel consumption: The DENSO high pressure common rail fuel system, whose market population exceeds 10 million units, features an injection pressure high up to 1,800 bar, resulting in good fuel atomization, complete in-cylinder combustion and an average fuel consumption drop of more than 5%. • Excellent power output: The low-speed power performance is about 10% higher than that of B series on average, ensuring high power, fast start and good gradeability even under full load. • Low fault rate: The integrated design of cylinder block and water pump, oil pump housing, water inlet/outlet tube, thermostat seat, etc. reduces the amount of components by 25% compared with engines of same type, which reduces the probability of leaking, and resulting in high vehicle availability, and much lower fault rate and maintenance cost.

Product Portfolio

Model Rated power/speed (kW/rpm) Peak torque/speed (N·m/rpm) Application Standards

ISB3.9-125E30

92/2500

410/1200-2100

vehicle;truck

China III

ISB3.9-140E30

103/2500

450/1200-2100

vehicle;truck

China III

ISB3.9-160E30

116/2500

510/1200-1900

vehicle;truck

China III

ISB3.9-125E40A

92/2500

410/1500

vehicle;truck

China IV

ISB3.9-140E40A

103/2500

450/1500

vehicle;truck

China IV

ISB3.9-160E40A

116/2500

510/1500

vehicle;truck

China IV

ISB3.9-160E41A

118/2500

500/1500

vehicle;truck

China IV


Cummins Genuine parts

cummins_banner
Fuel pump

Cylinder head

Cylinder block

Crankshaft

Starter motor

Piston

Injector

Alternator

Cummins ISB3.9 Diesel Engine Spare Parts

Looking for spare parts for your Cummins ISB3.9 diesel engine? Xunai Machinery supplies genuine and high-quality replacement parts for Cummins engines — including pistons, piston rings, cylinder liners, crankshafts, connecting rods, gaskets, fuel injectors, fuel pumps, water pumps, oil pumps, turbochargers, bearings and full overhaul kits. Keep your ISB3.9 engine running with fast-shipping OEM-quality components at factory prices.

Cummins ISB3.9 Engine – Overview & FAQ

Part of Cummins' ISB3.9, the fully electronically-controlled ('Interact System') evolution of the B3.9 platform built by Dongfeng Cummins (DCEC), used across Dongfeng's light and medium truck lineup with progressively updated fuel-injection technology to meet successive emissions tiers. This 3.9L variant delivers 160hp (119kW) with 510N.m of torque, an Euro III-tier tune for light and medium Dongfeng trucks.

Xunai Machinery supplies the full Cummins ISB3.9 range, including ISB3.9-125E30, ISB3.9-140E30, ISB3.9-160E30, ISB3.9-125E40A, ISB3.9-140E40A, ISB3.9-160E40A, ISB3.9-160E41A. Contact us for the exact specification, availability and lead time of any model.

The Cummins ISB3.9 diesel engine is commonly used for | Vehicle | Truck | applications. As a China-based manufacturer and exporter, Xunai Machinery ships Cummins engines and genuine spare parts worldwide at competitive prices.

Yes. We supply a complete range of Cummins spare parts – including piston rings, cylinder liners, crankshafts and gasket kits – for the ISB3.9 and other Cummins engine series. Contact us for a quotation.

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