PL72 Pipelayer

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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 Model
Cat C9.3
Flywheel Power
211 HP
Net Power - Rated - ISO 9249/SAE J1349
211 HP
Net Power - Rated - ISO 9249/SAE J1349 (DIN)
214 mhp
U.S. EPA Tier 4 Final/EU Stage V/Korea Tier 4 Final or UN ECE R96 Stage IIIA equivalent to U.S. EPA Tier 3/EU Stage IIIA
Fuel Tank
109.6 gal (US)
DEF Tank(1)
4.5 gal (US)
Note (1)
Rated speed 2,000 rpm. Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator. Net power is tested per ISO 9249:2007 and SAE J1349:2011.
Note (2)
All non-road Tier 4 Interim and Final, Stage IIIB, Stage IV, Stage V, Japan 2014 and Korea Tier 4 Final diesel engines are required to use only ultra-low sulfur diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. Biodiesel blends up to B20 (20%
Note (3)
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.


Lift Capacity
90000 lb
Operating Weight
68945 lb
Shipping Weight
59846 lb


6.1 m (20 ft) Boom
2004 lb
7.3 m (24 ft) Boom
2562 lb


Track Gauge
90 in
Track on Ground
10.7 ft
Ground Contact Area (ISO 16754)
8406 in²
Ground Pressure (ISO 16754)
8.2 psi
Shoe Width
30 in

Dimensions (Approximate)

Width - Tractor - Standard Shoes
10 ft
Width - Tractor - Counterweight Extended
17.65 ft
Width - Tractor - Counterweight Retracted
12.04 ft
Width - Tractor - Counterweight/Boom Removed
11.88 ft
Track Gauge
7.51 ft
Length - Track on Ground
12.17 ft
Machine Height - Top of Counterweight
8.53 ft
Height - Machine - Cab and ROPS
11.25 ft
Boom Height (at SAE 1.22 m [4 ft] Overhang) 6.1 m (20 ft) Boom
22.24 ft
Boom Height (at SAE 1.22 m [4 ft] Overhang) 7.3 m (24 ft) Boom
26.28 ft

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 2.5 kg of refrigerant which has a CO2 equivalent of 3.575 metric tonnes.