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Isuzu H-Series Engine

Isuzu 4HK1 Engine

The Isuzu 4HK1 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 173 HP, constant speed rating option along with a 188 HP, variable speed rating option.

Features

  • Displacement: 5.2 L or 7.8 L
  • Turbocharged charge air cooled
  • Peak torque: 496.5 LB/FT – 796.5 LB/FT
  • Fuel consumption: .342 LB/HP-HR
  • SAE #2 or 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*

Models

  4HK1 (173 HP) 4HK1 (188 HP)
Hp 173 188
kW 129 140.2
RPMs 1800 2000
Liters 5.2 5.2
Cubic Inches 317.3 317.3
Dry Weight 1168 lbs 1168 lbs
Cylinders 4 4
Cycle 4 Stroke 4 Stroke
Engine Rating Constant Speed Constant Speed
Emissions US EPA Tier 4F
EU Stage V
US EPA Tier 4F
EU Stage V