CAT Pipelayers Cat Medium Pipelayer Highlights: Engineered for reliable production in the toughest conditions. These machines offer the reliability and durability expected from Cat Pipelayers. Structures: Excellent stability and load-carrying capacity necessary on the tough jobs. Power train: Proven Cat diesel an innovative, efficient cooling system and unparalleled service ease. Undercarriage PL61: SystemOneTM undercarriage extends undercarriage system life, improves reliability and reduces owning and operating costs. Undercarriage 572R Series 2: The elevated sprocket moves the final drives above the work area, isolating them from ground impact for long power train component life. Pipelayer: Hydrostatic drawworks provide precision control.   Cat Large Pipelayer Highlights: Caterpillar Large Pipelayers' high horsepower and rugged components are designed for tough and varied working conditions. Structures: Excellent stability and load-carrying capacity necessary on the tough jobs. Power train: Proven Cat diesel an innovative, efficient cooling system and unparalleled service ease. Undercarriage: The elevated sprocket moves the final drives above the work area, isolating them from ground impact for long powertrain component life. Pipelayer: Hydrostatic drawworks provide precision control.   Units: US | Metric Large Pipelayers Large Pipelayers Engine Model Engine Model Flywheel Power Flywheel Power Lift Capacity Lift Capacity 583T Pipelayer Cat® C15 ACERT™ Cat® C15 ACERT™ 310 hp 231 kW 140000 lb 63504 kg 587T Pipelayer Cat® C15 ACERT™ Cat® C15 ACERT™ 366 hp 273 kW 202000 lb 91625 kg Medium Pipelayers Medium Pipelayers Engine Model Engine Model Flywheel Power Flywheel Power Lift Capacity Lift Capacity 572R Series 2 Pipelayer Cat® 3176C Cat® 3176C 240 hp 179 kW 90000 lb 40800 kg PL61 Pipelayer Cat® C6.6 ACERT™ Cat® C6.6 ACERT™ 125 hp 93 kW 40000 lb 18145 kg