C4.4 Well Servicing HazPak

When the job takes you into a hazardous location, Cat® HazPak engines are ready. Our complete range of services and engine packages cover both industry standards and your operation with maximum safety. Cat C4.4 HazPaks are hazardous location power units that are the ideal solution for specialized and demanding operations in the oilfield. Units are hazardous-location certified from the factory to minimize installation design, time, and cost. HazPaks are certified to operate in potentially explosive environments. Cat hazpaks are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. Cat C4.4 HazPak. Rating: 39-112 bkW (52-151 bhp) @ 1500-2200 rpm.

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Lube Oil System (refill)
7.4 qt
Cooling System
26.0 qt
Minimum Rating
52 BHP
Maximum Rating
151 BHP

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Product Specs

Capacity for Liquids

Lube Oil System (refill)
7.4qt
Cooling System
26.0qt
Lube Oil System - Refill
7.4qt (US)
Cooling System
26qt (US)

Package Specifications

Minimum Rating
52BHP
Maximum Rating
151BHP
Peak Torque - Speed
273 N•m (201 lb-ft) @ 1500 rpm
Displacement
265.5in³
Aspiration
Naturally aspirated or turbocharged-aftercooled
Governor and Protection
Woodward
Weight - Net Dry - Approximate
2138lb
Oil Change Interval
500
Rotation from Flywheel End
Counterclockwise
Flywheel and Flywheel Housing
SAE 3
Stroke
5in
Bore
4.13in
Emissions
U.S. EPA Marine Tier 2, CCNR Stage 2

Standard/Optional Features

Standard Equipment:

  • Air Inlet System
    • ATEX designed and tested inlet system, compliant to EN 1834-1; stainless steel flame arrestor; integrated air shutdown valve, activates on overspeed and emergency stop; available in hydraulic, pneumatic, electric configurations; air cleaner, single el
  • Cooling System
    • Closed cooling system with air blast radiator and charge air cooling, marine radiator with full solderdipped core, radiator cooled packages sized for 45°C ambient air temp, gear-driven centrifugal jacket water pump, de-aeration expansion tank, exhaust
  • Exhaust System
    • ATEX designed and tested exhaust system, compliant to EN 1834-1; comprised of exhaust gas heat exchanger (cooler); stainless steel flame arrestor; stainless steel spark arrestor; water-cooled exhaust manifold, watercooled turbocharger
  • Fuel System
    • Mechanical fuel injection, primary fuel filter/water separator with 1/4” BSPP connectors (LH), secondary fuel filter (LH), fuel priming pump manual, fuel shutoff valve
  • General
    • Package ambient capability is -20°C to 45°C; mechanical systems are designed for Gas Group IIA; electrical systems are designed for Gas Group IIC; all systems meet temperature class T3 (200°C limit); includes a declaration of conformity for the entire
  • Lube System
    • Oil filter (LH), dipstick (LH), fs disposal (closed system)

Optional Equipment:

  • Air Compressor
    • Single cylinder, 225 CC with head unloader
  • Charging System
    • 12V, 45A alternator with 75AH battery pack
    • 24V 16A alternator with 75AH battery pack
    • 24V 25A alternator with 75AH battery pack
  • Control System
    • Local panel at side of engine, includes: coolant temperature gauge, lube oil pressure gauge, exhaust gas temperature gauge, exhaust gas backpressure gauge, engine speed gauge, stop switch
  • Exhaust System
    • 18 dBA spark arrestor/muffler, ATEX approved
  • Fuel System
    • Fuel cooler, installed, maintains acceptable fuel temperature when running from day tank
  • Starting System
    • Air, electric, and hydraulic starters available