PL61 Pipelayer

  • Overview
  • Optional Services
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  • 18 ton (40,000 lb.) lift capacity with side boom.
  • Easy transport width at 3240 mm (128 in).
  • More robust fuel system with advanced filtration to better withstand poor fuel conditions (engines equivalent to Tier 3/Stage IIIA).
  • Cold weather package provides added features for cab comfort and more reliable engine starting/performance in cold environments.


  • Hystat transmission, faster steering response for superior maneuverability on the pipeline.
  • Choice of narrow or wide tracks to optimize for job site ground conditions.
  • Durability in rough terrain with heavy duty undercarriage.
  • Ergonomically designed right joystick places all boom, hook and counterweight function conveniently in one hand.
  • Comfortable cab with air suspension seat, ergonomic controls and excellent visibility.
  • Improved heating/ventilation/air conditioning system that better circulates around the operator using a canopy machine.


  • Worldwide Cat dealer network understands pipeline job site needs for outstanding support, even in remote areas.
  • Purpose-built pipelayer gives you a single source for parts and service on all components.
  • Easy access to grouped maintenance and diagnostic points.
  • Simplified cable replacement
     - no need to thread through hood.
  • Updated cooling package allows more air flow, reducing fan speed for greater efficiency.
  • Hydraulic demand fan automatically reduces fan speed in cooler conditions to help save fuel.
  • Hydraulic reversing fan offers automatic or manual modes and changes direction to blow debris out of the radiator cores.
  • Equipped with Product Link™ which enables remote monitoring, improving overall fleet management effectiveness.


  • Rear vision camera, with dedicated display, adds to visibility for greater safety.
  • Load Monitor Indicator (LMI) delivered with the machine for simple installation of load monitor system on the job site.
  • Quick drop release function now common with other Cat pipelayer models for added ease of use.
  • Rear window exit now common across Cat pipelayer product line.
  • Factory integrated Roll Over Protective Structure (ROPS) helps protect operators and machine in case of rollover.

Engine Model Cat C4.4
Flywheel Power 97 kW (130 HP)
Net Power - 2,200 rpm - ISO 9249 97 kW (130 HP)
Net Power - 2,200 rpm - ISO 9249 (DIN) 132 HP (132 HP)
Cat C4.4 Emissions U.S. EPA Tier 4 Final/EU Stage IV/Korea Tier 4 Final
Cat C7.1 Emissions China Nonroad Stage III, equivalent to Tier 3/Stage IIIA
Fuel Tank 260 l (69 gal (US))
DEF Tank(1) 19 l (5 gal (US))
Note (1) All nonroad Tier 4 Final, Stage IV and Korea Tier 4 Final diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) with 15 ppm (mg/kg) of sulfur or less, or up to B20 biodiesel blended with ULSD. B20 should meet ASTM D7467 specification (biodiesel blend stock should meet Cat biodiesel spec, ASTM D6751 or EN 14214). Cat DEO-ULS™ or oils that meet the Cat ECF-3, API CJ-4, and ACEA E9 specification are required. Consult your OMM for further machine specific fuel recommendations.
Note (2) Diesel Exhaust Fluid (DEF) used in Cat Selective Catalytic Reduction (SCR) systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241.
Note (3) (1) Machines equipped with Tier 4 Final/Stage IV emissions reduction technology.
Pipelaying Equipment
Lift Capacity 18144 kg (40000 lb)
Weights - Operating Weight
Cab, 560 mm (22 in) Shoes(1) 18090 kg (39890 lb)
Cab, 560 mm (22 in) Shoes 18170 kg (40060 lb)
Cab, 760 mm (30 in) Shoes(1) 18560 kg (40920 lb)
Cab, 760 mm (30 in) Shoes 18640 kg (41095 lb)
Note (1) Machines equipped with Tier 4 Final/Stage IV emissions reduction technology.
Weights - Shipping Weight
Cab, 560 mm (22 in) Shoes(1) 17040 kg (37570 lb)
Cab, 560 mm (22 in) Shoes 17110 kg (37720 lb)
Cab, 760 mm (30 in) Shoes(1) 17510 kg (38600 lb)
Cab, 760 mm (30 in) Shoes 17590 kg (38780 lb)
Note (1) Machines equipped with Tier 4 Final/Stage IV emissions reduction technology.
Track Gauge 2000 mm (79 in)
Track on Ground 2645 mm (104 in)
Ground Contact Area - LGP 4.46 mu00b2 (6920 inu00b2)
Ground Contact Area - Narrow 3.29 mu00b2 (5100 inu00b2)
Ground Pressure(1) - LGP 40.8 kPa (5.9 psi)
Ground Pressure(1) - Narrow 53.9 kPa (7.8 psi)
Ground Pressure - LGP 40.9 kPa (6.3 psi)
Ground Pressure - Narrow 54 kPa (7.9 psi)
Number of Shoes/Rollers - Each Side 40/8
Track Shoe Width - Narrow/LGP 560/760 mm (22/30 in)
Note (1) Machines equipped with Tier 4 Final/Stage IV emissions reduction technology.
Width - Tractor - With 760 mm [30 in] Shoes 2760 mm (109 in)
Width - Tractor - With 560 mm [22 in] Shoes 2560 mm (101 in)
Width - Counterweight Extended 4750 mm (187 in)
Width - Tractor - Counterweight Retracted 3240 mm (128 in)
Width - Tractor - Counterweight/Boom Removed 3190 mm (126 in)
Track Gauge 2000 mm (79 in)
Operating Length 3850 mm (151 in)
Length - Track on Ground 2645 mm (104 in)
Machine Height - Tip of Winch 2570 mm (101 in)
Height of Machine from Tip of Grouser to Top of Stack(1) 2850 mm (112 in)
Height - Top of ROPS: Canopy/Cab 2985 mm (118 in)
Boom Height (at SAE 1.22 m [4 ft] overhang) 6220 mm (245 in)
Air Conditioning System
Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.3 kg of refrigerant which has a CO2 equivalent of 1.859 metric tons.

Standard Equipment

  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
    • ROPS Cab with cloth seat or ROPS Canopy with vinyl seat
    • Seat belt, retractable
    • Electro-hydraulic controls, seat mounted, adjustable
    • Foot rests
    • Display with gauge cluster
    • Rotary throttle switch
    • Independent forward/reverse speed settings
    • Mirror, rearview
    • Mirror
    • 12V radio ready
    • 12V power port
    • Coat hook
    • Storage compartment
    • Cup holder
    • Heavy duty rubber floor mat
    • Single pedal combining deceleration and braking function
    • Adjustable armrests
    • Eco Mode
    • Electronic water-in-fuel indicator
    • Electronically programmable speed selector
    • Heater
    • Boom, 5.49 m (18 ft)
    • Counterweight, extendible 2980 kg (6,570 lb)
    • Aluminum bar plate cooling system (radiator, power train, aftercooler)
    • Air cleaner with pre-cleaner, automatic dust ejection and under-hood intake
    • Electric fuel priming pump with integrated fuel/water separator
    • Dual path, electronic control, closed-loop hydrostatic transmission
    • Under-hood muffler
    • Starting aid, ether injection
    • Antifreeze, extendible life coolant -37 °C (-35 °F)
    • Cat C4.4 turbocharged diesel engine with engine mounted aftertreatment to meet U.S. EPA Tier 4 Final / EU Stage IV / Korea Tier 4 Final / Japan 2014 (Tier 4 Final) Certified Engine emission standards. 115 Amp alternator, air cleaner
    • Cat C7.1 turbocharged diesel engine to meet China Nonroad Stage III, India Bharat III, Eurasian Economic Union Stage IIIA, UN ECE R96 Stage IIIA emission standards, equivalent to Tier 3/Stage IIIA. 100 Amp (24 Volt) alternator.
    • Engine decelerating function – rotary switch and pedal engine speed control)
    • Engine idle shutdown
    • Hydraulically driven, variable speed fan
    • Heavy duty undercarriage
    • Track adjusters, hydraulic
    • Track, 40 sections: – Standard configuration, 560 mm (22 in) – LGP configuration, 760 mm (30 in)
    • Alarm, back up
    • Batteries, heavy duty, 900 CCA
    • Converter, 12V, 10 Amp
    • Diagnostic connector
    • Integrated lights (4 front, 2 rear)
    • Starter, 24 volt
    • Glowplug starting aid
    • Three-function electro-hydraulic valve
    • Fuel tank and guard
    • Hinged crankcase guard
    • Lockable engine enclosures
    • Hinged radiator grill and swing-out fan
    • Front pull device
    • Rigid drawbar
    • Ecology drains
    • SOS sampling ports

Optional Equipment

  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
    • Radio, AM/FM/AUX/USB/Bluetooth
    • Visibility kit, no camera
    • Visibility kit, single camera
    • Insulated breather
    • Low temperature starter
    • Load Monitor Indicator (LMI)
    • Product Link

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