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Specifications
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Standard/Optional Equipment
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Maximum Rating
400 ekW (500 kVA)
Minimum Rating
400 ekW (500 kVA)
Emissions/Fuel Strategy
U.S. EPA Tier II Nonroad Mobile Emissions Certified. Available for NSPS compliance via Design to Order process
Aspiration
Turbocharged-Aftercooled
Manifold Type
Watercooled
Bore
5.39in
Stroke
6.46in
Displacement
1770in³
Engine Control and Protection
ADEM A4
Generator Set Control
EMCP 4.4 Control Panel
Generator
SR4B
Frequency - Speed
60 Hz (1800 rpm)
Fuel
CNG, LNG, field gas, natural gas
Lube Oil System - Refill
45gal (US)
Cooling System - Engine
15gal (US)
Length
230in
Width
89in
Height
102.3in
Weight
19731lb
Fuel System
1 micron gas filter
Air Inlet System
Air cleaner — intermediate duty, dry
Air cleaner rain cap
Air cleaner service Indicator
Cooling System
High ambient radiator design for gas fuel applications
Stacked aftercooler and jacket water core
Metal top and bottom tanks
Coolant drain
Fan and belt guard
Coolant level sensor
Exhaust System
Exhaust manifolds — water cooled
Exhaust elbow and flex fitting — 127 mm (5 in)
Residential grade muffler
Three-way catalyst
Muffler mounting structure
Fuel System
Gas pressure regulator — requires 10.3-34.5 kPa (1.5-5 psi) gas
Natural gas carburetor
Air Fuel Ratio Control
Generator
Rated for continuous duty — 10% oversize
Class H insulation
Permanent magnet
Random wound
240 VAC space heater
Coastal insulation protection
IP23 protection
Cat Digital Voltage Regulator
Control System
Electronic governing ADEM A4
Electronic diagnostics and fault logging
Momentary start/stop logic
High temperature braided engine harness with 70-pin customer connector and service tool connector
Lube System
Crankcase breather, top-mounted
Oil filter, spin-on, left-hand service
Dipstick, left-hand service
Oil pump — gear-driven
Oil cooler
Mounting System
Heavy-duty welded steel base designed for the oilfield
Base design optimized for loading, transport, and unloading
Protection System
The following parameters include alarm and shutdown:
General
Jacket water heater
24V starting motor
24V, 45-amp charging alternator
ALL
Air Inlet System
Air cleaner — intermediate duty, dry
Air cleaner rain cap
Air cleaner service Indicator
Cooling System
High ambient radiator design for gas fuel applications
Stacked aftercooler and jacket water core
Metal top and bottom tanks
Coolant drain
Fan and belt guard
Coolant level sensor
Exhaust System
Exhaust manifolds — water cooled
Exhaust elbow and flex fitting — 127 mm (5 in)
Residential grade muffler
Three-way catalyst
Muffler mounting structure
Fuel System
Gas pressure regulator — requires 10.3-34.5 kPa (1.5-5 psi) gas
Natural gas carburetor
Air Fuel Ratio Control
Generator
Rated for continuous duty — 10% oversize
Class H insulation
Permanent magnet
Random wound
240 VAC space heater
Coastal insulation protection
IP23 protection
Cat Digital Voltage Regulator
Control System
Electronic governing ADEM A4
Electronic diagnostics and fault logging
Momentary start/stop logic
High temperature braided engine harness with 70-pin customer connector and service tool connector
Lube System
Crankcase breather, top-mounted
Oil filter, spin-on, left-hand service
Dipstick, left-hand service
Oil pump — gear-driven
Oil cooler
Mounting System
Heavy-duty welded steel base designed for the oilfield
Base design optimized for loading, transport, and unloading
Protection System
The following parameters include alarm and shutdown:
General
Jacket water heater
24V starting motor
24V, 45-amp charging alternator
Optional Equipment
Fuel System
1 micron gas filter