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Dual Fuel Products

Opposed Piston Model 38 8 1/8
 

Opposed Piston Model 38 8 1/8

The Opposed-Piston 38D 8-1/8 engine has been designed and developed for a wide array of electrical power generation and heavy industrial applications. This high-efficiency, low-emission engine combines time-tested design features with modern advances, including dual-fuel technology suited for low-cost power production.


Key Advantages

  • 1% Pilot Fuel, 99% Gas
  • Designed & developed for a wide array of electrical power generation and heavy industrial applications
  • 40+ year service life
  • Shock-qualified cylinder block with excellent maintenance access
  • 40% thermal efficiency - simple cycle
  • Automatic seamless switch from gas to diesel if gas supply is interrupted
  • Base load (110% overload 2/24 hrs)
  • Longer bearing life due to conservative operating speed
 

Dimensions

Cyl. A mm (in.) B mm (in.) C mm (in.) Dry Weight kg (lbs)
9L 7,874 3,327 (131) 2,496 (98) 34,000 (74,800)
12L 8,992 39,000 (85,800)

Power Rating

Cyl. Aspiration 50Hz 1000 RPM kWe 60Hz 900 RPM kWe
9L Turbo-blower 2,510 2,260
9L Turbocharged 2,630 2,370
12L Turbo-blower 3,345 3,013
12L Turbocharged 3,510 3,165

 

Engine Specifications

Cylinder Configuration  9L, 12L
Cylinder Bore - mm (in) 206 (8.1)
Piston Stroke - mm (in) 254 (10.0)
Cycle 2 Stroke
Displacement/Cylinder - L (cu in) 16.9 (1037)
Mean Piston Speed - m/s (ft/min) 7.6 - 8.5 (25.0-27.8)
BMEP - bar (psi) 9.3 - 10.8 (134-157)

Notes:

All ratings subject to factory approved application.

Ratings are based on:
90°F (32.2°C) ambient temp.
28.25 in Hg. (71.6 cm Hg) barometric pressure (min)
1500 ft (457 m) altitude (max)

Standby ratings available

The kWe ratings are based on generators with nominal efficiencies of 96.2%