Bobcat 7256752 Crankshaft Assembly - Image 2

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Bobcat 7256752 Crankshaft Assembly

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Engine Displacement	3.4 L
Cylinder Configuration	Inline 4-cylinder
Material	Forged alloy steel
Connecting Rod Journal Diameter	Micro-finished
Gear Configuration	Integrated
Included Components	Flywheel dowel pin, timing wheel pin
Net Weight	28.5 kg
Package Dimensions	65 × 35 × 20 cm

Manufacturer No.

7256752
150107-005420
150107-00957
150107-00542C
150107005420
15010700957
15010700542C

OEM Part No.

7256752
150107-005420
150107-00957
150107-00542C

Engine Part No.

Doosan D34
Doosan D34NAP
Doosan D34D
Doosan D34P

Interchange No.

TR5117G63028

Fitment Vehicles

Bobcat S740
Bobcat S750
Bobcat S770
Bobcat S870
Bobcat T740
Bobcat T750
Bobcat T770
Bobcat T870
Bobcat V519
Bobcat V723
Bobcat B760
Doosan D35S
Doosan D40S
Doosan D45S
Doosan D50C
Doosan D55C
Doosan D60C
Doosan D70C
Doosan D80S
Doosan D90S
Daewoo D70S-7

The 7256752 crankshaft assembly is engineered for Doosan D34 series 3.4-liter four-cylinder diesel engines. It features precision-ground journals, induction-hardened bearing surfaces, and integrated timing gear. The forging utilizes high-strength alloy steel with micro-finished main and rod journals to OEM surface roughness specifications. Includes flywheel dowel pin and timing wheel pin. Compatible with standard-size main and connecting rod bearings. Designed for direct replacement in Bobcat S740, S750, S770, S870 skid steer loaders and T740, T750, T770, T870 compact track loaders equipped with D34, D34NAP, D34D, or D34P engine variants. Also fits Doosan D35S-D90S forklift series and Daewoo D70S-7 excavators utilizing the D34 powerplant.