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Production of oil and gas in remote oilfields 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 sacrificing 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.G3306B oilfield gas generator set. Ratings: 151 bkW (203 bhp) @ 1800 rpm. Configurations available to meet NSPS emission standards in non-attainment areas and configurations available for non-regulated areas.
Request a QuoteMaximum Rating135 ekW (170 kVA)
Minimum Rating110 ekW (138 kVA)
Emissions/Fuel StrategyNSPS or non-regulated
AspirationTurbocharged-Aftercooled
Manifold TypeWatercooled
Bore4.75in
Stroke6in
Displacement640in³
Engine Control and ProtectionADEM A4
Generator Set ControlEMCP 4.3 (4.4 optional)
GeneratorSR4B
Frequency - Speed1800 rpm
FuelCNG, LNG, field gas, natural gas
Lube Oil System - Refill12gal (US)
Cooling System - Engine5gal (US)
Length60in
Width38in
Height50in
Weight948lb
Standard
Air cleaner — intermediate duty, dry
Air cleaner rain cap
Air cleaner service Indicator
Standard
High ambient radiator design for gas fuel applications
Side-by-side aftercooler and jacket water core
Metal top and bottom tanks
Coolant drain
Fan and belt guard
Coolant level sensor
Standard
Exhaust manifolds — water cooled
Exhaust elbow and flex fitting — 127 mm (5 in)
Residential grade muffler
Optional
Three-way catalyst
Critical grade muffler
Muffler mounting structure
Standard
Gas pressure regulator — requires 82.7-172.4 kPa (12-25 psi) gas
Natural gas carburetor
Optional
Air-fuel ratio control
Coalescing filter, heavy-duty for wellhead gas
Standard
Rated for continuous duty — 25% oversize
Class H insulation
Permanent magnet
Random wound
240 VAC space heater
Coastal insulation protection
IP23 protection
Cat Digital Voltage Regulator
Standard
Electronic governing ADEM A4
Electronic diagnostics and fault logging
Momentary start/stop logic
High temperature braided engine harness with 70-pincustomer connector and service tool connector
Standard
Crankcase breather, top-mounted
Oil filter, spin-on, left-hand service
Dipstick, left-hand service
Oil pump — gear-driven
Oil cooler
Standard
Heavy-duty welded steel base designed for the oilfield
Designed to accommodate a drop-over enclosure
Space claims for makeup tank and coalescing filter
Base design optimized for loading, transport, and unloading
Standard
The following parameters include alarm and shutdown:
Standard
Jacket water heater
24V starting motor
24V, 45-amp charging alternator
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