PL61 Pipelayer
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PL61 ® Pipelayer Engine Engine Model Flywheel Power Cat C6.6 ACERT™ 93 kW 125 hp ® • Engine ratings at 2,100 rpm. • Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler and alternator. • No derating required up to 3000 m (9,842 ft) altitude, beyond 3000 m (9,842 ft) automatic derating occurs. Weights Operating Weight – Narrow Shoes Shipping Weight – Narrow Shoes Pipelaying Equipment Lift Capacity 17 000 kg 37,480 lb 16 070 kg 35,428 lb 18 145 kg 40,000 lb

PL61 Pipelayer Pipelayer Structure Operator Station Hydraulic hook and boom winches provide excellent speed capability. Counterweight and frame design provide excellent stability while offering world class visibility. pg. 4 Steel castings and heavy steel plates are welded to insure a rigid one-piece frame structure. Structures are designed to last throughout the extended service life of the PL61. pg. 5 The operator station offers excellent visibility and superior comfort. Optional features include a fully adjustable air suspended seat, air conditioning with enclosed cab, electrohydraulic...

Engine Drive Train SystemOne Undercarriage The Cat® C6.6 engine meets worldwide emission standards while providing outstanding engine performance, fuel efficiency and long-term durability pg. 8 The hydrostatic drive with electronic control provides precise modulation for quick and smooth operation, superior maneuverability and comfortable operation, increasing productivity. pg. 9 Designed exclusively by Caterpillar® for Cat® Machines, SystemOne Undercarriage extends undercarriage system life, improves reliability and reduces owning and operating costs. pg. 10 3

Pipelayer Caterpillar pipelayer system includes winch and boom, counterweight and frame. Winches. Counterweight. Boom. • Boom and hook drawworks are driven by independent hydraulic winches. • Counterweight is extended hydraulically for improved load balance and clearance. • 5.5 m (18 ft) Boom is standard equipment with large box section. • Replaceable, boom-mount bearings. • Oil-disc brakes provide smooth operation and positive retention of boom and hook positions. • • High tensile strength steel construction. • Modular design allows fast replacement, easy field service and testing....

Structure The frame is engineered to handle the most demanding applications, and is built to last throughout the extended service life of the PL61. Main Frame. The PL61 one-piece main frame is designed to absorb high impact shock loads and twisting forces. Robotic welding provides deep penetration and consistency, ensuring high quality, durability and reliability throughout the structure. Track Roller Frame. Track roller frames feature an engineered box-section design, which provides superior strength and resistance to bending. Equalizer bars are pinned in their center to the machine main...

Operator Station The operator station is ergonomically designed to provide excellent visibility and superior comfort for maximum productivity throughout the day. 6

Operator Station. The operator station features an ergonomic layout emphasizing simplicity, ease of use and comfort. Standard air conditioning with enclosed cab, generous legroom and superior visibility allow the operator to focus on the job. With more glass area, the operator station provides a clear view to the surrounding work site. Speed and Direction Control. The operator controls the speed of the machine and the direction of travel with a single joystick control located on the left console. This joystick includes a thumb wheel for precise speed control, as well as a convenient button...

The Caterpillar® C6.6 Diesel Engine with ACERT™ Technology meets worldwide emissions requirements for EPA Tier 3, EU Stage IIIA and Japan Moc Step 3 engine exhaust emission regulations, while providing excellent performance. Technology. The Cat® C6.6 is a 6.6 liter inline configured engine equipped with a Caterpillar Common Rail fuel System. It uses ACERT Technology, a series of Caterpillar engineered innovations that provide advanced electronic control, precision fuel delivery and refined air management, resulting in outstanding performance and lower emissions. Design. The C6.6 features a...

Drive Train The PL61 features an electronically controlled hydrostatic drive system with independent power and control of each track for fast acceleration, variable speed control, and on-the-go direction changes. Hydrostatic Drive. The electronically controlled hydrostatic drive system automatically maintains engine speed to match the power requirements of the application for peak performance. The hydrostatic drive train also offers independent power and control of each track, for fast acceleration, infinitely variable speed control and on-the-go, direction changes for each track. The...

SystemOne Undercarriage Exclusively for Caterpillar machines the SystemOne™ Undercarriage is a revolutionary new undercarriage system – from the ground up. • • SystemOne™ Undercarriage. Exclusively for Caterpillar machines the design extends system life and reduces operating costs. • • • Carrier Rollers. Redesigned carrier rollers are factory sealed and serviced as a unit. The larger diameter provides extended wear to better match undercarriage system life. Idlers. The center tread idlers contact only the bushing – not the links – eliminating scalloping and providing more guiding to the...

Serviceability and Accessibility Grouped service points and easy maintenance result in increased machine up-time. Easy Diagnostics. The Compact Instrument Cluster allows for quick identification of problems and its cause, utilizing a three level warning system. This monitoring system can easily be upgraded by flashing software. Engine Compartment. All the regular engine maintenance is made through a large, hinged door located on the left side of the machine. This compartment gives access to the engine fuel filters and water separator, the engine oil filter, the engine oil dipstick and...