C27 ACERT Tier 4i

Land Production Generator Sets C27 ACERT Tier 4i

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Key Specs

Maximum Rating
725 ekW (907 - 1035 kVA)
725 ekW (907 - 1035 kVA)
Minimum Rating
725 ekW (907 - 1035 kVA)
725 ekW (907 - 1035 kVA)


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.

Product Specifications for C27 ACERT Tier 4i

Maximum Rating 725 ekW (907 - 1035 kVA) 725 ekW (907 - 1035 kVA)
Minimum Rating 725 ekW (907 - 1035 kVA) 725 ekW (907 - 1035 kVA)
Emissions/Fuel Strategy U.S. EPA Tier 2, U.S. EPA Tier 4 interim U.S. EPA Tier 2, U.S. EPA Tier 4 interim
Aspiration Turbocharged, aftercooled Turbocharged, aftercooled
Manifold Type Dry Dry
Bore 5.4 in 137.2 mm
Stroke 6 in 152.4 mm
Displacement 1648 in³ 27 l
Engine Control and Protection ADEM A4 ADEM A4
Generator Set Control EMCP 4.2 EMCP 4.2
Generator SR4B SR4B
Fuel System MEUI MEUI
Frequency - Speed 60 Hz (1800 rpm) 60 Hz (1800 rpm)
Fuel Diesel Diesel
Length 186 in 4725 mm
Width 77 in 1950 mm
Height 86 in 2180 mm
Weight 20000 lb 9072 kg

C27 ACERT Tier 4i Standard Equipment

Air Inlet System

  • Heavy-duty dual element air cleaner
  • Service indicator

Cooling System

  • 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

Exhaust System

  • Dry exhaust manifold

Fuel System

  • 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

Lube System

  • Oil cooler
  • High efficiency oil filter
  • Oil drain valves
  • Fumes disposal
  • Gear-type lube oil pump

Mounting System

  • Heavy-duty oilfield welded steel base (skiddable)
  • Anti-vibration mounts
  • Designed welded base for increased durability (C-channel design)

Starting/Charging System

  • 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

C27 ACERT Tier 4i Optional Equipment

Air Inlet System

  • Pre-cleaners

Control System

  • Direct rack control

Cooling System

  • Jacket water heater

Exhaust System

  • Manifold and turbocharger guards
  • Expander


  • Self excited

Starting/Charging System

  • Air starting motor

Mounting System

  • Short base - 4725 mm (186 in) total length (does not include drag bars)

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C27 ACERT Tier 4i

C27 ACERT Tier 4i

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