Electric Power

  • Specs Summary
  • Fuel Type
    Natural Gas, Biogas
  • Maximum Electrical Efficiency
    37.3%
  • Gas Standby Rating
    485 ekW
  • Emissions/Fuel Strategy

G3508A

From natural gas-fueled combined heat and power (CHP) systems and emergency power for facilities, to renewable biogas energy to support the local grid, or electricity generated from coal mine gases, Caterpillar has a wide range of reliable gas power solutions.

Gas Generator Sets Specification

  • Fuel Type Natural Gas, Biogas
  • Maximum Electrical Efficiency 37.3%
  • Maximum Standby Rating 485
  • Frequency 50/60Hz
  • Gas Standby Rating 485 ekW
  • rpm 1200/1500rpm

Engine Specification

  • Engine Model 3508A
  • Bore 6.7 in (170 mm)
  • Stroke 7.5 in (190 mm)
  • Displacement 2105 in3 (33 L)
  • Aspiration TA

Generator Set Dimension

  • Length 150 in (3821 mm)
  • Width 62 in (1570 mm)
  • Height 79 in (2012 mm)
  • Dry weight genset 16301 lb (7393 kg)

Generator Set Configurations

Standard Equipment

Air Inlet

  • Package Mounted Air Cleaner with service indicator

Control Panels

  • EMCP II+

Cooling

  • Single stage aftercooler with mechanical pump, thermostats
  • Combined jacket water and oil cooler circuit with mechanical pump and thermostats

Exhaust

  • Water cooled exhaust
  • Individual exhaust port thermocouples

Fuel system

  • Natural gas rated(31.5 to 47.2 MJ/NM3)
  • High pressure fuel system
  • High pressure gas pressure regulator

Generator

  • SR4B
  • Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
  • Bus bar connections
  • Anti-condensation space heater
  • Permanent magnet excitation
  • Form Would Stator with Coastal Insulation Protection
  • Platium stator winding temperature detectors

Starting/Charging

  • 24V starting motors
  • Battery disconnect switch

General

  • Paint - Caterpillar Yellow except rails and radiators gloss black
  • Crankshaft vibration damper and guard
  • Operation and maintenance manuals
  • Parts book

Optional Equipment

Air Inlet

  • Air inlet adapters

Control Panels

  • Local alarm module
  • Remote annuciator
  • Remote Communications Module (PL1000T, PL1000E)
  • Control panel removal

Cooling

  • Raw water aftercooler
  • Cleanable aftercooler core

Exhaust

  • Flange
  • Exhaust expander
  • Elbow
  • Flexible fitting

Fuel System

  • Fuel filter
  • Propane and associated gas fuel ratings
  • Gas shutoff valve

Generator

  • Low voltage extension box
  • Cable access box
  • Bearing temperature detectors
  • European bus bar
  • Generator air filter
  • Space heater shutoff relay

Start/Charging

  • Battery charger
  • Oversized battery
  • Jacket water heater
  • Battery with cable and rack (shipped loose)
  • Dual starter

General

  • Crankcase explosion relief valve
  • Engine barring group
  • EEC D.O.I and other certifications