4BD1T Turbo Diesel Engine Assembly with 3.86L Displacement and 118HP Power for Excavator Dedicated Use

The 4BD1T excavator dedicated version is Isuzu's classic BD-series medium-displacement turbo diesel engine, specifically optimized and reinforced for medium excavator applications. Engineered to withstand frequent start-stop cycles, variable heavy digging loads, and high-dust construction site working conditions.

Built with a thick reinforced cast iron cylinder block & cylinder head, gear-driven OHV 8-valve valve train, forged heavy-duty crankshaft, and full mechanical inline fuel injection pump without any electronic sensors.

Turbocharger is matched for low-speed torque output to meet demanding digging, rock breaking, and continuous loading requirements. No complex electronic control parts reduce breakdown rates in harsh construction environments, with strong adaptability to low-grade diesel fuel and low daily maintenance costs.

• Side-mounted cooling fan bracket matching excavator radiator layout
• Built-in hydraulic PTO port to drive main hydraulic pump
• Shock-resistant thickened engine mounting feet
• Large flywheel housing matched with excavator hydraulic transmission interface

Widely used as aftermarket replacement power for second-hand 9–12 ton medium excavators across Southeast Asia, Africa, and Latin America.

Replacement fit for 9–12 ton hydraulic excavator chassis compatible with excavator-dedicated 4BD1T powerplant. Reference production year range: 1988–2002

• Hitachi EX100-2 / EX100-3 / EX120-2 / EX120-3 excavator chassis
• Kobelco SK100 medium hydraulic digger chassis
• Sumitomo SH100 hydraulic excavator chassis

• Small wheel loader
• Mobile hydraulic power unit
• Stationary generator set chassis

If you need other engine assemblies, bare engine blocks, gearboxes, or other auto spare parts, you are welcome to search on our website or contact us directly.

We carry a full series of Japanese and American gasoline & diesel engines, covering trucks, passenger cars, household vehicles, and excavator construction machinery.