Isuzu 4JH1 User Manual

ENGINE ELECTRICAL 6D – 3
GENERAL DESCRIPTION
GENERATOR STARTER MOTOR
066L300004 065L300002
The basic charging system is the IC integral regulator charging system. The internal components are connected
electrically as shown in charging circuit diagram.
The generator features a solid state regulator that is mounted inside the generator. All regulator components are
enclosed into a solid mold, and this unit along with the brush holder assembly is attached to the slip ring end frame.
The generator voltage setting cannot be adjusted.
The starter motor circuit is composed of a 4-pole 4-brush type direct current series motor. The starter motor circuit
utilizes negative ground polarity.

Isuzu 4JH1 Specifications

General

Bore x Stroke	95.4 mm x 104.9 mm
Compression Ratio	18.5:1
Fuel System	Direct injection
Cylinder Configuration	Inline-4
Valves per Cylinder	4
Fuel Type	Diesel
Engine Type	Diesel, four-stroke
Displacement	3.0 liters
Maximum Torque	217 lb-ft (294 Nm) @ 1800 rpm
Oil Capacity	6.5 liters (with filter)