Mitsubishi Neptune engine

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4G4
Manufacturer Mitsubishi Motors
Also called: Neptune
Type: Straight-4
Production: 1971–1979
Block alloy: Cast iron

The Mitsubishi Neptune or 4G4 engine is a series of iron-block straight-4 engines built by Mitsubishi Motors from 1971 to 1979, alongside the Orion, Saturn, Astron and Sirius.

Contents

[edit] 4G41

Displacement — 1378 cc
Bore — 76.5 mm
Stroke — 75.0 mm
Compression ratio — 9.0:1
Power — 64 kW (87 PS) @ 6000 rpm
Torque — 115 N·m (85 ft·lbf) @ 4000 rpm

[edit] 4G42

Displacement — 1187 cc
Bore — 71.0 mm
Stroke — 75.0 mm

[edit] Applications

[edit] See also