527 Track Skidder
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Engine Model Gross Power

Power Train Durable, reliable components deliver smooth, responsive power. Engine The Cat 3304 DIT turbocharged diesel engine powers the 527 Skidder. This field-tested engine supplies the 527 with an ample 123 gross kW (166 gross horsepower). A direct-injection fuel system uses adjustment-free fuel injectors for efficient, accurate fuel metering and reduced emissions. The 4-cylinder allows the 527 to consume less fuel in medium or low-load situations. Cooling System The 527 is designed for log skidding applications in high ambient temperatures and steep or muddy environments. The 527...

Application Flexibility Steep slopes or soft ground are no match for the 527. Power The 124 gross kW (166 gross horsepower) and a torque converter driveline provide a 49 percent torque rise and a drawbar pull of 30 276 kg-force (66,746 lb-force). This pulling power enables the 527 to overcome drag loads created during skidding. Cable Skidding The combination of tractor balance, torque converter drive train and high drawbar pull enable the skidder to offset the weight and overcome drag loads created during winching situations. The 527 winch is a durable and productive tool that delivers an...

Operator Station Designed for operator comfort, superior control and high productivity. Comfort and Visibility Two cab options are available on the 527. Both cabs are designed for operator comfort and operation ease. The 527 open ROPS canopy includes standard rear, front, and side screens as well as screened doors. The side and rear screens are mounted on the outside of the ROPS structure for increased canopy area. The enclosed ROPS certified cab is ergonomically designed with a focus on operator comfort and convenience. The ROPS certified cab is isolation mounted to reduce sound and...

Customer Support Cat dealer services help you operate longer with lower costs. Your Cat® dealer is ready to assist you with your purchasing decision and everything after: Selection Cat dealers can help customers compare and choose the right machine for their business. Financing Cat dealers offer financing options to meet a variety of needs. Operation Improve operating technique for better productivity and profit with the latest Cat dealer training resources. Product Support Cat dealers are with customers every step of the way with unsurpassed worldwide parts support, trained technicians and...

527 Track Skidder Specifications Engine Gross Power Net Flywheel Power Engine Model Displacement Undercarriage – Cable 124 kW 166 hp 112 kW 150 hp ® Cat 3304 DIT 7.0 L 425 in3 Service Refill Capacities Cooling System Fuel Tank Engine Crankcase and Oil Filter Transmission Hydraulic Tank Final Drive (each side) Recoil Spring Housing (each side) Winch Sump (527 Winch) 36.9 L 285.0 L 22.0 L 9.7 gal 75.3 gal 5.8 gal 148.0 L 39.8 L 6.5 L 39.1 gal 10.5 gal 1.7 gal 27.0 L 7.1 gal 74.0 L 19.5 gal 18 696 kg 41,217 lb 21 900 kg 48,281 lb 527CA Winch with Freespool Weight Drum Width Drum Diameter Cable...

527 Track Skidder Specifications Dimensions All dimensions are approximate. 10 4 5 1 2 6 9 7 3 8 Cable 1 Ground clearance 712 mm 28.03 in 2 Track gauge 2160 mm 85.04 in 3 Overall width without blade and with 559 mm (22 in) shoes Overall width without blade and with 610 mm (24 in) shoes 2720 mm 107.09 in 2770 mm 109.06 in 4 Height to top of drum 5 Height to center of drum 1339 mm 52.72 in 1048 mm 41.26 in 6 Pivot shaft to rear idler 1380 mm 54.33 in 7 Length of track on ground 8 Overall length – blade to back of winch 2846 mm 112.05 in 5224 mm 205.67 in 9 Grouser height 65 mm 2.56 in 10...

Grapples Choose from a variety of grapple configuration to meet your needs. Sorting Grapple • Used for 305 mm (12 in) or larger diameter trees • Designed to pick-up individual or several stems for quick cycles 4 2 6 5 1 3 Bunching Grapple • Used for 305 mm (12 in) or smaller diameter trees • Designed to gather bundle of stems and maximize grapple loads 6 4 5 2 1 3 Sorting Bunching Grapple for 527 1 Grapple capacity 2.54 m (100 in) 0.84 m2 (9 ft2) 2.79 m (110 in) 0.93 m2 (10 ft2) 2 Tip to tip height 3 Tong opening 2040 mm (80.5 in) 2020 mm (79.5 in) 2540 mm (100 in) 2794 mm (110 in) 4 Full...

527 Track Skidder Specifications Minimized Ground Disturbance The extended track roller frame increases the track-to-ground contact area and decreases the ground pressure thereby increasing the 527's flotation and providing maximum performance and maneuverability in soft underfoot locations. Increased flotation also reduces the environmental impact, enabling the 527 to operate in site-sensitive applications. Ground Pressures Shoe Width Contact Area Ground Pressure * Note - Actual weights are approximate and will vary depending on machine configuration. 527CA - Includes Frame, 7-Roller;...

527 Standard Equipment Standard equipment may vary. Consult your Cat dealer for details. ANTIFREEZE 50% concentration of extended life coolant, freeze protection to –37° C (–34° F), anti-boil protection to 108° C (226° F) ELECTRICAL Hour meter Work lamps, Halogen, 3-front and 2-rear Back-up alarm Warning horn HYDRAULICS Load sensing hydraulics Single lever blade control GUARDS Engine enclosures, heavy-duty Fenders, heavy-duty Extreme-service crankcase Fuel tank, heavy-duty Radiator, heavy-duty punched hole Front brush sweeps Precleaner guard OPERATOR ENVIRONMENT Decelerator Electronic...

527 Track Skidder For more complete information on Cat products, dealer services, and industry solutions, visit us on the web at www.cat.com © 2011 Caterpillar Inc. All rights reserved Materials and specifications are subject to change without notice. Featured machines in photos may include additional equipment. See your Cat dealer for available options. CAT, CATERPILLAR, SAFETY.CAT.COM, their respective logos, “Caterpillar Yellow” and the “Power Edge” trade dress, as well as corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission....