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21.9 Liter
Energy


PRODUCT SPECIFICATIONS
Model Number 21.9L
Cylinders 90˚, V-12
Combustion System Spark-ignited
Cooling System Water-cooled
Displacement 1,338 cid (21,561 cc)
Compression Ratio 10.5:1
Bore & Stroke 5.04 in x 5.59 in (128 mm x 142 mm)
Fuel Type NATURAL GAS (NG), PROPANE (LP)
Direction of rotation Anti-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 320 378 507
Standby LP 220 276 370
LTP NG 300 360 483
Prime NG 280 340 456
Prime LP 210 248 333
60 Hz (1800 RPM)
Rating Fuel kWe kWm bHp
Standby NG 450 510 684
Standby LP 300 352 472
LTP NG 400 455 610
Prime NG 375 434 581
Prime LP 250 299 401
GENERAL DATA & FEATURES
  • Water-cooled, turbo-charged, air-to-air inter-cooled, stoichiometric with replaceable wet cylinder liners
  • 50C Ambient Cooling Capacity
  • Cast iron block & heads, 10.5:1 compression ratio, overhead valve/2V configuration
  • Crankshaft gear-driven oil system with cartridge-type filter, belt-driven centrifugal water pump
  • 24VDC Starter and Brushless Alternator
  • Serpentine, Self-Tensioning Fan Belt
  • CANBUS J1939 interface
  • 3-Way Catalytic Converter
  • UL-recognized air filtration
  • Integrated knock sensing and control
  • Full ECU engine control with coil-on-plug variable timing ignition
  • U.S. EPA-Certified and CARB-Compliant, Stationary & Mobile
  • MasterTrak Telematics service (included for 1 year)
  • Enhancements for prime & continuous power
  • UL2200-Compliant or Listed Components
  • Dual Fuel Auto Switch-Over
  • Advanced diagnostics for improved up-time
DIMENSIONS
DIMENSIONS IN MM
Length 90.3 2,294
Width 75.3 1,914
Height 83.6 2,124
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