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Isuzu 4 JJ1 X

The Isuzu 4JJ1X diesel engine provides industry leading performance and holds up to the Isuzu mantra of "Performance that goes to work". This engine is offered in a 95 HP, constant speed rating option.

  • Displacement: 3.0 L
  • Turbocharged or turbocharged charge air cooled (CAC)
  • Fuel consumption: .355 LB/HP-HR
  • SAE 3 flywheel housing
  • Electric self-priming fuel lift pump
  • 12V or 24V electronics
  • Glow plug starting aid
  • High angularity oil pan
  • 500-hour service intervals
  • 5-year / 5,000-hour limited warranty*
Isuzu
  • Authorized Distributor
  • Genuine Parts
  • Service and Support

Base Specifications

Displacement3.0 L (183.1 ci)
Dry Weight709 lbs
Cylinders4
RatingConstant Speed, Variable Speed
SeriesJ-Series
Emissions (US)EPA Tier 4F
Emissions (EU)Stage V

4JJ1X (95 HP)

(Plus Base Specs)

Horsepower95 hp
Power70.8 kW
Engine Speed1800 RPMs

4JJ1X (115 HP)

(Plus Base Specs)

Horsepower115 hp
Power85.7 kW
Engine Speed2200 RPMs

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Authorized Distributor

Palmer Johnson is an authorized distributor and service provider for Isuzu products.

Genuine Parts

Thousands of parts ready to ship in as little as two hours.

Service and Support

Seven master rebuild centers, eleven full-service centers, and an extensive dealer network to serve you.