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C7 ACERT™ Hazardous Location Engine
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Cat C7 ACERT hazardous location engines are the ideal solution for specialized and demanding operations in the oilfield. Engines are hazardous-location certified from the factory to minimize installation design, time, and cost. Decades of field operation and intense research and development allow Cat C7 ACERT hazardous location engines to deliver excellent performance with low operating costs and emissions. Hazardous location engines are certified to operate in potentially explosive environments. Applications powered by C7 ACERT engines include pump skids, acidizing units, cementing units, coil tubing units, and hydraulic power units. Cat engines are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. C7 ACERT hazardous location engines, with ratings 153-172 bkW (205-230 bhp) @ 2200 rpm meet IMO Tier II, U.S. EPA Marine Tier 3, EPA Non-road Tier 3 equivalent and EU Stage IIIA equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

Standard Equipment

Capacity for Liquids

Lube Oil System (refill)
36.0 gal
Cooling System
78.2 gal


EPA & CARB Non-Road Tier 3, EU Stage IIIA, EPA Marine Tier 2, IMO Tier II

General Specifications

Minimum Rating
205.0 bhp
Maximum Rating
275.0 bhp
Governor and Protection
Electronic ADEM™ A4
442.0 in3
Flywheel and Flywheel Housing
SAE 1,2, or 3
Flywheel Teeth
156 (SAE 1), 134 (SAE 2), 126 (SAE 3)
Rotation (from flywheel end)
5.0 in.
4.3 in


4.38 in.
33.5 in.
43.8 in.
1570.0 lb
  • Air Inlet System
  • Control System
  • Cooling System
  • Exhaust System
  • Flywheels and Flywheel Housing
  • Fuel System
  • Lube System
  • Power Take-Offs
  • General
  • Mandatory Options