Well Service Engines

C15 ACERT™ Dry Manifold Engine

Maximum Rating

595 BHP


EPA and CARB Non-Road Mobile Tier 3, EU Stage IIIA


928 in³


Cat C15 ACERT engines are the ideal solution for your demanding operations in the oilfield. Decades of field operation and intense research and development allow Cat C15 ACERT engines to deliver excellent performance with low operating costs and emissions. Equipment powered by C15 ACERT engines include workover rigs, pump skids, nitrogen units, acidizing units, cementing units, blenders, 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. C15 ACERT engines, with ratings: 328-444 bkW (440-595 bhp) @ 1800-2100 rpm, meet China Stage II, U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

    Capacity for Liquids

    Cooling System

    5.5 gal (US)



    54.2 in


    36.5 in


    48.3 in


    2,743 lb



    EPA and CARB Non-Road Mobile Tier 3, EU Stage IIIA

    General Specifications

    Maximum Rating

    595 BHP


    928 in³

    Minimum Rating

    440 BHP

    Governor and Protection

    ADEM A3



    Flywheel and Flywheel Housing

    SAE No. 0 or SAE No. 1

    Flywheel Teeth

    136 (SAE 0), 113 (SAE 1)

    Rotation from Flywheel End



    6.75 in


    5.4 in

    • Air Inlet System
      • Single turbocharger, mid-mounted, inlet 152.4 mm (6 in), hose connection
    • Control System
      • Electronic governing, PTO speed control
      • Programmable ratings
      • Cold mode start strategy
      • Automatic altitude compensation
      • Power compensation for fuel temperature
      • Programmable low and high idle and TEL
      • Electronic diagnostics and fault logging
      • Engine monitoring and protection system (speed, temperature, pressure)
      • J1939 Broadcast (diagnostic, engine status, and control)
    • Cooling System
      • Thermostats and housing — outlet vertical
      • Jacket water pump — gear-driven, centrifugal, RH
      • RH front water pump inlet
      • All plugs/fittings are STOR for lines gp water
    • Exhaust System
      • Exhaust manifold — dry
      • Front turbo exhaust
      • Full marmon connection, maximum load 10 kg for direct connection to turbo
    • Flywheels and Flywheel Housings
      • See Mandatory Options
    • Fuel System
      • MEUI system
      • Fuel filter, secondary, mid-mount (LH 2 micron high performance)
      • Fuel transfer pump, LH front
      • Fuel priming pump, LH mid-mount
      • Fuel sample valve, mounted on fuel filter base
    • Lube System
      • Crankcase breather — rear valve cover
      • Oil cooler — RH
      • Oil filter — RH
      • Oil pan — front sump
      • Oil filler — LH front
      • Oil dipstick — LH front
      • Oil pump
      • Oil valve sampling — on oil filter base
    • Mounting System
      • Front support (shipping only)
    • Power Take-Offs
      • Crankshaft pulley, 203.2 mm (8 in), 3 grooves 292.1 mm (11.5 in) 1 groove, all 15.9 mm (.63 in) width
      • Hydraulic pump drive, SAE A, 11 tooth
    • General
      • Vibration damper
      • Paint — Cat yellow
      • Lifting eyes
      • Automatic variable timing, electronic
      • Electronic installation kit 70-pin connector (connectors, pins, sockets)
      • Literature group owner and operator
    • Mandatory Options
      • Throttle position sensor
      • Exhaust system — front or rear
      • Flywheel housing or rear PTO
      • Primary filter/water separator

    • Transmission Arrangement
      • Transmission cooler
      • Tool set
    • Air Compressor
      • Air chambers
      • Air compressor governor
    • Air Inlet System
      • Air cleaners
      • Precleaners
      • Air lines
      • Air inlet gasket
    • Charging System
      • Charging alternators
      • Alternator mountings
      • Alternator wiring
      • Circuit breaker mountings
      • Alternator belt guard
    • Cooling System
      • Radiator — installed
      • Radiator — ship loose
      • Fan drive f/u/w Caterpillar installed radiator
      • Fan drives for customer-supplied radiators
      • Fan height instructions
      • Vee belts for customer-supplied radiators
      • Aftercooler lines f/u/w Caterpillar installed radiator
      • Rear-facing exhaust
      • Aftercooler lines
      • Suction fan adapters — attaches fan to fan pulley
      • Blower fan adapter — attaches fan to fan pulley
      • Blower fan
      • Suction fan
      • Fan belt tightener
      • Coolant level sensor
      • Dry charge coolant conditioners
      • Dry charge coolant conditioner element
    • Exhaust System
      • Turbo exhaust connection
      • Flexible fitting
      • Elbows
      • Flanges
      • Dry elbow

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