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Isuzu 6WG1

Isuzu 6WG1 Engine

The Isuzu 6WG1 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 512 HP, constant speed rating option along with a 512 HP, variable speed rating option.


  • Displacement: 15.7 L
  • Turbo charged & charge air cooled
  • Peak torque: 1709 LB/FT @ 1500 RPM
  • Fuel consumption: .342 LB/HP-HR
  • Flywheel housing: SAE 1
  • Electric self-priming fuel lift pump
  • 12V electrics
  • Glow plug starting aid
  • High angularity oil pan
  • 500-hour service intervals
  • 5-year / 5,000-hour limited warranty*

Isuzu 6WG1 Engine Specifications

  6WG1 (512 HP)
Hp 512
kW 381.8
RPMs 1800
Liters 15.7
Cubic Inches 958.1
Dry Weight 2535 lbs
Cylinders 6
Cycle 4 Stroke
Engine Rating Constant Speed
Emissions US EPA Tier 4F
EU Stage V