The PL61 is part of a full line of purpose-built Cat® pipe layers designed for performance, safety and serviceability. Easy transport width, combined with the experienced support of the Cat dealer network, means this key pipe line equipment is available when and where you need it.

Engine Model Cat C4.4
Flywheel Power 130 HP
Net Power - 2,200 rpm - ISO 9249 130 HP
Net Power - 2,200 rpm - ISO 9249 (DIN) 132 HP
Cat C4.4 ACERT Emissions U.S. EPA Tier 4 Final/EU Stage IV/Korea Tier 4 Final
Cat C7.1 ACERT Emissions China Nonroad Stage III, equivalent to Tier 3/Stage IIIA
Fuel Tank 69 gal (US)
DEF Tank(1) 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 40000 lb

Weights - Operating Weight
Cab, 560 mm (22 in) Shoes(1) 39890 lb
Cab, 560 mm (22 in) Shoes 40060 lb
Cab, 760 mm (30 in) Shoes(1) 40920 lb
Cab, 760 mm (30 in) Shoes 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) 37570 lb
Cab, 560 mm (22 in) Shoes 37720 lb
Cab, 760 mm (30 in) Shoes(1) 38600 lb
Cab, 760 mm (30 in) Shoes 38780 lb
Note (1) Machines equipped with Tier 4 Final/Stage IV emissions reduction technology.

Track Gauge 79 in
Track on Ground 104 in
Ground Contact Area - LGP 6920 in²
Ground Contact Area - Narrow 5100 in²
Ground Pressure(1) - LGP 5.9 psi
Ground Pressure(1) - Narrow 7.8 psi
Ground Pressure - LGP 6.3 psi
Ground Pressure - Narrow 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 109 in
Width - Tractor - With 560 mm [22 in] Shoes 101 in
Width - Counterweight Extended 187 in
Width - Tractor - Counterweight Retracted 128 in
Width - Tractor - Counterweight/Boom Removed 126 in
Track Gauge 79 in
Operating Length 151 in
Length - Track on Ground 104 in
Machine Height - Tip of Winch 101 in
Height of Machine from Tip of Grouser to Top of Stack(1) 112 in
Height - Top of ROPS: Canopy/Cab 118 in
Boom Height (at SAE 1.22 m [4 ft] overhang) 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.


  • 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.

Standard Equipment

  • 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 degrees C (35 degrees 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 fuction - 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

  • 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