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Cat
CG137-12 Oilfield Gas Generator Set
Production of oil and gas in the oilfield can be a challenge when utility power is not available. The Caterpillar product line of oilfield gas generator sets provides the ideal solutions for this challenge. Engines are designed to run on low to no-cost well site gas without sacrifice on performance. These generator sets allow customers to significantly reduce fuel cost and avoid the expense and logistics of diesel fuel deliveries. Plus, they are designed to withstand the harsh conditions in the oilfield and feature a heavy-duty construction ideal for loading and unloading operations. Cat generator sets are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. CG137-12 oilfield gas generator set. Rating: 400 ekW (500 kVA) @ 60 Hz (1800 rpm). Standard Configuration meets U.S. EPA Tier II Nonroad Mobile Emissions standards and Available for NSPS emission standards in non-attainment areas via design to order process.
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Specifications
Engine Specifications
| Spec | Value |
|---|---|
| Maximum Rating | 400 ekW (500 kVA) 400 ekW (500 kVA) |
| Minimum Rating | 400 ekW (500 kVA) 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 U.S. EPA Tier II Nonroad Mobile Emissions Certified. Available for NSPS compliance via Design to Order process |
| Aspiration | Turbocharged-Aftercooled Turbocharged-Aftercooled |
| Manifold Type | Watercooled Watercooled |
| Bore | 5.39 in 137 mm |
| Stroke | 6.46 in 164 mm |
| Displacement | 1770 in³ 29 l |
| Engine Control and Protection | ADEM A4 ADEM A4 |
| Generator Set Control | EMCP 4.4 Control Panel EMCP 4.4 Control Panel |
| Generator | SR4B SR4B |
| Frequency – Speed | 60 Hz (1800 rpm) 60 Hz (1800 rpm) |
Capacity for Liquids
| Spec | Value |
|---|---|
| Fuel | CNG, LNG, field gas, natural gas CNG, LNG, field gas, natural gas |
| Lube Oil System – Refill | 45 gal (US) 170 l |
| Cooling System – Engine | 15 gal (US) 55.5 l |
Dimensions
| Spec | Value |
|---|---|
| Length | 230 in 5842 mm |
| Width | 89 in 2261 mm |
| Height | 102.3 in 2599 mm |
| Weight | 19731 lb 8950 kg |
Standard Equipment
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