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Maximum Rating725 ekW (907 - 1035 kVA)
Minimum Rating725 ekW (907 - 1035 kVA)
Emissions/Fuel StrategyU.S. EPA Tier 2, U.S. EPA Tier 4 interim
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. C27 ACERT oilfield diesel generator set. Ratings: 725 ekW (1035 kVA) @ 60 Hz (1800 rpm) meets U.S. EPA Tier 4 interim emission standards.


Maximum Rating725 ekW (907 - 1035 kVA)
Minimum Rating725 ekW (907 - 1035 kVA)
Emissions/Fuel StrategyU.S. EPA Tier 2, U.S. EPA Tier 4 interim
AspirationTurbocharged, aftercooled
Manifold TypeDry
Bore5.4 in (137.2 mm)
Stroke6 in (152.4 mm)
Displacement1648 in³ (27 l)
Engine Control and ProtectionADEM A4
Generator Set ControlEMCP 4.2
Fuel SystemMEUI
Length186 in (4725 mm)
Width77 in (1950 mm)
Height86 in (2180 mm)
Weight20000 lb (9072 kg)
Frequency - Speed60 Hz (1800 rpm)

Benefits and Features

- Integrated control system and communications gateway
- EMCP 4.2 is standard and offers basic engine/generator monitoring, metering and protection and an open protocol allowing for simple integration
- Features more advanced options including power metering, modbus capability, and programmable discrete output

- More than 2,200 dealer outlets - Cat factory-trained dealer technicians service every aspect of your Cat petroleum product - Worldwide parts availability, service, and warranty - Preventive maintenance agreements available for repairbefore- failure opti

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

For all your petroleum power requirements, visit

Standard Equipment

  • Heavy-duty dual element air cleaner
  • Service indicator
  • Radiator package mounted (50° C)
  • Side-by-side cores
  • Coolant drain line with valve at edge of base
  • Coolant level sight gauge
  • Fan and belt guards
  • Cat Extended Life Coolant
  • Metal top and bottom tanks
  • Dry exhaust manifold
  • Primary fuel filter
  • Secondary fuel filter
  • Fuel priming pump
  • Fuel transfer pump
  • SR4B
  • Class H insulation
  • Random wound
  • IP23 protection
  • Cat DVR
  • Permanent magnet excitation
  • Two-bearing, close coupled alignment
  • EMCP 4.2 control panel
  • Emergency stop pushbutton
  • Oil cooler
  • High efficiency oil filter
  • Oil drain valves
  • Fumes disposal
  • Gear-type lube oil pump
  • Heavy-duty oilfield welded steel base (skiddable)
  • Anti-vibration mounts
  • Designed welded base for increased durability (C-channel design)
  • 24-volt starting motor
  • 45-amp charging alternator
  • Paint — Caterpillar yellow except rails and radiators (gloss black)
  • Flywheel and flywheel housing — SAE No. 0
  • Engine lifting eyes

Optional Equipment

  • Pre-cleaners
  • Direct rack control
  • Jacket water heater
  • Manifold and turbocharger guards
  • Expander
  • Self excited
  • Air starting motor
  • Short base - 4725 mm (186 in) total length (does not include drag bars)