C27 ACERT Tier 4i

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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.

Engine Specifications

Maximum Rating 725 ekW (907 - 1035 kVA) 725 ekW (907 - 1035 kVA) Less
Minimum Rating 725 ekW (907 - 1035 kVA) 725 ekW (907 - 1035 kVA) Less
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 Less
Aspiration Turbocharged, aftercooled Turbocharged, aftercooled Less
Manifold Type Dry Dry Less
Bore 5.4 in 137.2 mm Less
Stroke 6.0 in 152.4 mm Less
Displacement 1648.0 in³ 27.0 l Less
Engine Control and Protection ADEM A4 ADEM A4 Less
Generator Set Control EMCP 4.2 EMCP 4.2 Less
Generator SR4B SR4B Less
Fuel System MEUI MEUI Less
Frequency - Speed 60 Hz (1800 rpm) 60 Hz (1800 rpm) Less

Capacity for Liquids

Fuel Diesel Diesel Less


Length 186.0 in 4725.0 mm Less
Width 77.0 in 1950.0 mm Less
Height 86.0 in 2180.0 mm Less
Weight 20000.0 lb 9072.0 null Less

Low Emissions

- Meets U.S. EPA Tier 4 interim emission standards
- Uses Caterpillar NOx Reduction System (NRS) to lower emissions without the use of aftertreatment

Product Design

Rugged construction designed to withstand harsh oilfield conditions
Shipped from the factory complete and ready to run
C-Series engines are field-proven in thousands of applications worldwide
Heavy-duty oilfield base designed for load/unload operations in the field
Oversized generators ideal for camp power applications
Heavy-duty, easy to clean cooling system ideal for high ambient temperature operation with no loss of power

Advanced Digital Engine Management

ADEM A4 control system providing integrated engine control, monitoring and protection.
The ADEM A4 has improved:
- User interface
- Display system
- Shutdown controls
- System diagnostics

EMCP 4.2 Control Panel

- 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

C27 ACERT Tier 4iStandard 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 4iOptional 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)