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Isuzu 4BD1 crankshaft
Isuzu 4BD1 crankshaft
Isuzu 4BD1 crankshaft
Isuzu 4BD1 crankshaft
  1. Isuzu 4BD1 crankshaft
  2. Isuzu 4BD1 crankshaft
  3. Isuzu 4BD1 crankshaft
  4. Isuzu 4BD1 crankshaft

4BD1 4BD1T Crankshaft for Isuzu EngineNPR NQR 3.9L

The Isuzu 4BD1 3.9L engine has a crankshaft travel of 4.646 inches (118 mm) and a bore of 4.016–4.018 inches (102 mm). The main journal diameter is 3.1462–3.1471 inches, and the connecting rod journal diameter is 2.5167–2.5175 inches. It typically uses a 6-bolt flange connection design.

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Description

Engine Type: 3.9-liter (235 cubic inches) four-cylinder diesel engine

Stroke: 4.646 inches (118 mm)

Main Journal Diameter: 3.1462 – 3.1471 inches (approx. 79.91–79.94 mm)

Connecting Rod Journal Diameter: 2.5167 – 2.5175 inches (approx. 63.92–63.94 mm)

Flange Type: 6 bolt holes, 1 locating pin hole, flat

Front End: Threaded connection, 2 keyways

Material: Typically high-quality ductile iron

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