C18 ACERT Tier 2 Oilfield Diesel Generator Set

Producing oil and gas is a complex task that requires equipped designed specifically for the oilfield. Cat C-Series oilfield diesel generator sets offer a rugged design capable of withstanding harsh conditions in the oilfield. Decades of experience in engine manufacturing combined with the latest electronics deliver the highest performance, safe operation, low emissions, and simplified operator interface. Cat generator sets are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. C18 ACERT oilfield diesel generator set. Ratings: 440 – 545 ekW (550 – 680 kVA) @ 50 and 60 Hz (1500 and 1800 rpm) meet U.S. EPA Tier 2 equivalent, EU Stage II equivalent emission standards.

Engine Specifications

Maximum Rating 545 ekW (680 kVA)
Minimum Rating 440 ekW (550 kVA)
Emissions/Fuel Strategy U.S. EPA Tier 2, EU Stage II
Aspiration Turbocharged, air-to-air aftercooled
Manifold Type Dry
Bore 5.7in
Stroke 7.2in
Displacement 1106in³
Engine Control and Protection ADEM A4
Generator Set Control EMCP 3.1
Generator SR4B
Fuel System MEUI
Frequency - Speed 50/60 Hz (1500/1800 rpm)

Capacity for Liquids

Fuel Diesel


Length 143in
Width 60in
Height 83.3in
Weight 11095lb

Standard Equipment

  • Air Inlet System
    • Dual element air cleaner
    • Service indicator
  • Cooling System
    • Radiator package mounted (50° C)
    • Coolant drain line with valve at edge of base
    • Coolant level sensor
    • Fan and belt guards
    • Coolant level sight gauge
    • Cat Extended Life Coolant
  • Exhaust System
    • Dry exhaust manifold
    • Turbo outlet elbow
  • Fuel System
    • Primary fuel filter with integral water separator
    • Secondary fuel filters
    • Fuel priming pump
    • Flex fuel lines
    • Fuel pressure gauge
  • Generator
    • SR4B brushless, single-bearing, self-excited
    • Class H insulation
    • Random wound
    • IP23 protection
    • Cat DVR 3-phase sensing with selectable volts/Hz
    • 3 sensing CTs and one droop CT
    • Power center
  • Generator Attachments
    • RH extended cable access box
  • Controls
    • ADEM A4 ECU
    • EMCP 3 Control Panel
  • Lube System
    • High efficiency oil filter
    • Oil drain valves
    • Fumes disposal
    • Gear-type lube oil pump
  • Mounting System
    • Steel base frame (skidable)
  • Starting/charging System
    • 24-volt starting motor
    • 45-amp charging alternator
    • Battery rack
    • Battery disconnect switch
  • General
    • Paint — Caterpillar yellow except rails and radiators (gloss black)
    • Flywheel and flywheel housing — SAE No. 1

Optional Equipment

  • Air Inlet System
    • Heavy-duty air cleaner with precleaner
  • Exhaust System
    • Mufflers
    • Weld Flange
  • Generator
    • Permanent magnet excitation
    • Oversize and premium generators
    • Anti-condensation space heaters available with permanent magnet excitation generators
  • Starting/charging System
    • Jacket water heater with shutoff valves
    • Oversized batteries
  • Controls
    • Load share module