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Engine ModelCat C9.3
Flywheel Power212 HP (158 kW)
Lift Capacity90000 lb (40823 kg)
Net Power - Rated - ISO 9249/SAE J1349212 HP (158 kW)
Cat Pipelayers have been the standard of the pipeline industry for decades. A worldwide network of Cat dealers, in tune with the special high production needs of pipeliners, supports these durable and dependable machines. Cat Pipelayers are purpose-built to meet the unique demands of pipeline customers. And like every Cat machine, Pipelayers are designed for long life, serviceability and rebuild capability to help keep owning and operating costs low. The PL72 answers customer needs for increased lift capacity, enhanced slope capability, ease of operation, performance and transportability.


Engine ModelCat C9.3
Flywheel Power212 HP (158 kW)
Lift Capacity90000 lb (40823 kg)
Net Power - Rated - ISO 9249/SAE J1349212 HP (158 kW)
Net Power - Rated - ISO 9249/SAE J1349 (DIN)215 HP (215 HP)
EmissionsU.S. EPA Tier 4 Final/EU Stage IV or U.S. EPA Tier 3/EU Stage IIIA equivalent
Fuel Tank109.6 gal (US) (415 l)
DEF Tank(1)4.5 gal (US) (17.1 l)
Operating Weight68945 lb (31278 kg)
Shipping Weight59846 lb (27145 kg)
6.1 m (20 ft) Boom1980 lb (898.1 kg)
7.3 m (24 ft) Boom2604 lb (1181 kg)
Track Gauge90 in (2286 mm)
Track on Ground10.7 ft (3270 mm)
Ground Contact Area (ISO 16754)8406 in² (5.42 m²)
Ground Pressure (ISO 16754)8.2 psi (56.6 kPa)
Shoe Width30 in (760 mm)
Width - Tractor - Standard Shoes10 ft (3.05 m)
Width - Tractor - Counterweight Extended17.65 ft (5.38 m)
Width - Tractor - Counterweight Retracted12.04 ft (3.67 m)
Width - Tractor - Counterweight/Boom Removed11.88 ft (3.62 m)
Track Gauge7.51 ft (2.29 m)
Length - Track on Ground12.17 ft (3.71 m)
Machine Height - Top of Counterweight8.53 ft (2.6 m)
Height - Machine - Cab and ROPS11.25 ft (3.43 m)
Boom Height (at SAE 1.22 m [4 ft] Overhang) 6.1 m (20 ft) Boom22.24 ft (6.78 m)
Boom Height (at SAE 1.22 m [4 ft] Overhang) 7.3 m (24 ft) Boom26.28 ft (8.01 m)
Air ConditioningThe air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 2.5 kg of refrigerant which has a CO2 equivalent of 3.575 metric tonnes.

Benefits and Features

  • Integrated powertrain with differential steering and updated hydraulic system work together to provide power and improved machine maneuverability for any pipelayer application.
  • Electro-hydraulics offer greater response and precise control to variable speed motors of the heavy duty winches for greater machine productivity.
  • Differential steering maintains full power to both tracks for best-in class turning even with a loaded boom, increasing maneuverability in tight locations.
  • Improved machine center of gravity for better slope capabilities.

  • Equipped with Product Link™ which enables remote monitoring, improving overall fleet management effectiveness.
  • Full left-side engine serviceability, including fill tube, dipstick, air cleaner, fuel filters, oil filter and coolant level check allows for quick and efficient routine service.
  • High speed oil change is standard and makes servicing even faster.
  • Hydraulic and powertrain filters and fuel tank drain are located at rear of machine and are conveniently serviceable from ground level.
  • Pressure taps are placed within hydraulic system to allow for quick monitoring.
  • Major components like the engine, transmission, and final drives are modular for quicker removal during service, saving cost and downtime.

  • Implement joystick places all pipelayer implement controls and functionality in one hand.
  • Low-effort, ergonomically designed and positioned control handle allows simultaneous, precise positioning of load line, boom, and extendible counterweight.
  • Dual brake pedal controls provide enhanced maneuverability and steering control.
  • Planetary differential steering contributes to superior maneuverability in tight areas of operation as well as enhanced slope capability.

  • Quieter, pressurized cab with heated/ventilated seat option improves operator comfort and productivity.
  • Ergonomically designed seat is positioned for greater visibility to work area and convenient access to machine control lever, switches and pedals.

  • Load Monitor Indicator (LMI) ready from factory and can accept regional LMI systems.
  • Convenient steps, handles and guardrail provide safe access/egress.
  • Enlarged roof top window with retractable shade, additional mirrors, and angled door improves visibility to the trench, boom and blocks.
  • Standard operator presence detection system allows machine to idle when operator is not seated, but locks out power train to avoid unintentional movement.
  • Rear vision camera available to further enhance visibility around machine.

Standard Equipment

  • Alarm, backup
  • Batteries, four maintenance free heavy duty
  • Converter, 12V, 10 amp with one outlet
  • Horn, forward warning
  • Lights, two front, two rear
  • Starting receptacle
  • Machine disconnect switch
  • Machine diagnostic connector
  • Boom and counterweight limit switch
  • Rear Vision Camera
  • Armrest, adjustable
  • Deactivation switch, hydraulic controls
  • Advisor operator interface: Electronic monitoring system, Diagnostic service information, Operator preferences
  • ROPS
  • Decelerator pedal
  • Dual brake pedal
  • Seat belt, retractable
  • Heater and ventilation
  • Differential steering control, with touch shift
  • Storage compartment
  • Block and hook with latch
  • Counterweights, extendible segmented
  • Winches, hydraulic actuated and electronically controlled
  • Cat C9.3 diesel engine: Electronic Unit Injection (EUI) Aftertreatment Meets Tier 4 Final/ Stage IV or Tier 3/Stage IIIA equivalent emission standards, depending on region of sale.
  • Aftercooler, air-to-air (ATAAC)
  • High performance single plane cooling system
  • Coolant, extended life with protection to -37 °C (-34 °F)
  • 24V electric start
  • Zero speed hydraulic fan, reversing and hydraulically driven, electronically controlled
  • Filter, air with electronic service indicator
  • Final drives: Four double reduction planetary
  • Fuel priming pump, electric
  • Parking brake, electronic
  • Precleaner, strata-tube dust ejector
  • Prescreener
  • Starting aid, ether
  • Torque divider
  • Transmission, electronically controlled 3-speed Powershift
  • Wastegate turbocharger
  • Water separator
  • Carrier roller
  • Track roller frames
  • Hydraulic track adjusters
  • Master links, two piece
  • Non-suspended undercarriage
  • Rollers and idlers, lifetime lubricated
  • Sprocket rim segments, replaceable
  • Track guiding guards
  • Medium service grouser 760 mm (30 in) Sealed and lubricated track (48 section)
  • Bumper, front with towing device
  • Drawbar, heavy duty
  • Ecology drains: Engine oil, coolant, hydraulic oil, torque converter, fuel tank, power train case and transmission
  • Enclosures, perforated engine
  • Hood, perforated
  • Bottom guards, hinged
  • Guard, hinged radiator
  • Hydraulics, independent steering and work tool pumps
  • Hydraulic system, electronically activated for hook, boom and counterweight control
  • Oil cooler, hydraulic
  • Product Link ready
  • S-O-S sampling ports
  • Steering, electronically controlled power differential
  • Vandalism protection for fluid compartments

Optional Equipment

  • Cab with air conditioning, heat and 150 amp alternator
  • OROPS with heat and 150 amp alternator
  • Cloth air seat
  • Deluxe seat
  • Vinyl seat
  • Heated seat
  • Arctic rollers
  • Standard rollers
  • Boom and cables 6.1 m (20 ft)
  • Boom and cables 6.1 m (20 ft) extended
  • Boom and cables 7.3 m (24 ft)
  • Boom and cables 7.3 m (24 ft) extended
  • CE Certification
  • ROPS