G3306B

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SPECS SUMMARY

Maximum Rating135 ekW (170 kVA)
Minimum Rating110 ekW (138 kVA)
FuelCNG, LNG, field gas, natural gas
Emissions/Fuel StrategyNSPS or non-regulated
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: 110 - 135 ekW (138 - 170 kVA) @ 50 and 60 Hz (1500 and 1800 rpm). Configurations available to meet NSPS emission standards in non-attainment areas and configurations available for non-regulated areas.

Specifications

Maximum Rating135 ekW (170 kVA)
Minimum Rating110 ekW (138 kVA)
FuelCNG, LNG, field gas, natural gas
Emissions/Fuel StrategyNSPS or non-regulated
AspirationTurbocharged-Aftercooled
Manifold TypeWatercooled
Bore4.76 in (121 mm)
Stroke5.98 in (152 mm)
Displacement640 in³ (10.5 l)
Engine Control and ProtectionADEM A4
Generator Set ControlEMCP 4.3 (4.4 optional)
GeneratorSR4B
Length145.8 in (3704 mm)
Width60.2 in (1530 mm)
Height73.1 in (1856 mm)
Weight7716 lb (3500 kg)
Lube Oil System - Refill12 gal (US) (44.5 l)
Cooling System - Engine5 gal (US) (20 l)
Frequency - Speed50/60 Hz (1500/1800 rpm)

Benefits and Features

- Fuel flexibility enables operation on a wide range of gasquality — from wellhead gas to pipeline quality natural gas
- Engine ratings developed to accept low-quality gas downto Cat MN 30 without derate
- Oversized SR4B generator optimized for block load acceptance and motor starting applications
- Package design and fuel flexibility allow minimum sitepreparation and low installation cost
- Heavy-duty base with tow bars and forklift pockets idealfor loading, transport, and unloading operations
- Open-skid configuration designed to integrate drop-overenclosure
- 4-point lifting structure

- Superior gas engine transient capability
• 70% G1 ISO 8528 load step
• 50% G2 ISO 8528 load step
- Heavy-duty split core cooling system with low power drawand high ambient capability

- For North America, configurations are available to meetNSPS standards in non-attainment areas
- Include factory-installed air-fuel ratio control and three-waycatalyst
- Configurations with no air-fuel ratio control and no catalystare also available

- Tough and durable, built on industry standard G3300 platform
- Rugged design optimized for harsh oilfield environments

- ADEM A4 control system provides integrated ignition,speed control, and protection
- Latest EMCP 4.3 controls for integrated engine-generatorcontrol, enhanced functionality, and simplified operatorinterface
- Optional EMCP 4.4 controls enable paralleling of up toeight units

− Entire package covered under a one-year Caterpillarwarranty
− Warranty includes all components and content

For any petroleum application, trust Caterpillar to meet your project needs with custom factory generator sets and mechanical packages. Cat engines, generators, controls, radiators, and transmissions can be custom designed and matched in collaboration with our local dealers to create unique solutions. Custom packages are globally supported and are covered by a one year warranty after startup.

- More than 2,200 dealer outlets- Cat factory-trained dealer technicians service everyaspect of your Cat petroleum product- Worldwide parts availability, service, and warranty- Preventive maintenance agreements available for repairbefore-failure options- S•O•SSM program matches your oil and coolant samplesagainst Caterpillar set standards to determine:• Internal engine component condition• Presence of unwanted fluids• Presence of combustion by-products• Site-specific oil change interval

Ownership of these manufacturing processes enablesCaterpillar to produce high quality, dependable products.

For all your petroleum power requirements, visit www.catoilandgasinfo.com.

Standard Equipment

  • Air cleaner — intermediate duty, dry
  • Air cleaner rain cap
  • Air cleaner service Indicator
  • 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
  • Exhaust manifolds — water cooled
  • Exhaust elbow and flex fitting — 127 mm (5 in)
  • Residential grade muffler
  • Gas pressure regulator — requires 82.7-172.4 kPa (12-25 psi) gas
  • Natural gas carburetor
  • 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
  • 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
  • Crankcase breather, top-mounted
  • Oil filter, spin-on, left-hand service
  • Dipstick, left-hand service
  • Oil pump — gear-driven
  • Oil cooler
  • 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
  • The following parameters include alarm and shutdown:
  • Jacket water heater
  • 24V starting motor
  • 24V, 45-amp charging alternator

Optional Equipment

  • Three-way catalyst
  • Critical grade muffler
  • Muffler mounting structure
  • Air-fuel ratio control
  • Coalescing filter, heavy-duty for wellhead gas