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4.3 Liter
Energy


PRODUCT SPECIFICATIONS
Model Number 4.3L
Cylinders V-6
Combustion System Spark-ignited
Cooling System Water-cooled
Displacement 262 cid (4.294 cc)
Compression Ratio 9.8:1
Bore & Stroke 4.00 in x 3.48 in (101.6 mm x 88.4 mm)
Fuel Type NATURAL GAS (NG), PROPANE (LP), BI-FUEL
Direction of rotation Counter-clockwise viewed on flywheel

SAE J1995 rated following 36300018 PSI Derate Specification with a tolerance of +/-5%. Power and torque values are based on standard assumptions. kWe values are based on standard assumptions for mechanical and electrical losses. Ratings and performance are solely for reference only and subject to site conditions and PSI application and ratings guidelines. The product images shown are for illustration purposes only and may not be an exact representation of the final product. All information is subject to change without notice.

POWER RATINGS
50 Hz (1500 RPM)
Rating Fuel kWe kWm bHp
Standby NG 40 48 64
Standby LP 40 51 68
Prime NG 35 43 58
Prime LP 35 45 61
60 Hz (1800 RPM)
Rating Fuel kWe kWm bHp
Standby NG 50 58 78
Standby LP 50 61 82
Prime NG 40 52 70
Prime LP 45 55 74
GENERAL DATA & FEATURES
  • Fuel options: Gasoline, LPG, NG
  • Fuel and emission control system that meets Tier II EPA/CARB emission regulations for LSI engines
  • Crank is forged, induction hardened steel with tangential fillets
  • Heavy-Duty heads (same construction as PSI 8.8L)
  • SAE flywheel housing and flywheel
  • Auxiliary drive pulleys available
  • Cooling fans
  • Radiator
  • Dry-type industrial air cleaners (safety element air cleaners available)
  • Electronic governors
  • Remote oil filter
  • Auxiliary oil drain
  • 95A alternator option / 70A alternator standard
  • CANBUS J1939 interface
  • High-flow cylinder head with straighter intake ports
  • Roller valve lifters for reduced friction and improved fuel economy
  • Positive inlet and exhaust seals for reduced oil consumption
  • Counter-rotating balance shaft for smooth performance and low noise
  • Composite rocker arm cover and front cover for noise reduction
  • World-class engine sealing system for superior leak protection
  • Common rear face to GM Powertrain industrial engines for easy hookup with housing
DIMENSIONS
DIMENSIONS IN MM
Length 31.09 789.6
Width 24.12 612.7
Height 30.92 785.4
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