AEHQ5670-01.qxd 2/18/10 1:29 PM Page 1 525C ® Wheel Skidder Engine Engine Model Gross Power – SAE J1995 Dimensions Wheelbase Weights Est Operating Weight Cat C7 ACERT™ 146 kW 196 hp ® 3534 mm 139.2 in 17 711 kg 39,045 lb • Operating weight includes enclosed cab, 30.5 tires, decking blade, arch, bunching grapple, winch Grapple Bunching Capacity Thinning Capacity 1.16 m2 1.34 m2 12.5 ft2 14.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 2 525C Wheel Skidder The 525C wheel skidder sets the standard for productivity and durability. Engine ✔ The Cat® C7 engine with ACERT™ technology is field proven and U.S. EPA Tier 3 compliant. The industry leading Caterpillar® lock up torque converter automatically engages/ disengages direct drive for maximum efficiency, performance and productivity. pg.
AEHQ5670-01.qxd 2/18/10 Structures 1:29 PM Page 3 Operator Station Work Tools ✔ The 525C structures are Caterpillar ✔ Finger tip gear selection, 1/4 turn ✔ Large Cat grapples maximize designed and manufactured for the steering, improved ergonomic control production with a new tong profile and most demanding logging conditions. layout and reduced operator lever effort higher clamping forces.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 4 Engine The Cat power train delivers top performance, power, and durability. Cat C7 Engine. The Cat C7 uses Caterpillar’s breakthrough ACERT™ Technology to meet exhaust emission reduction standards. It features efficient air management, fuel delivery and electronic control for high productivity and exceptional service life. Engine Design. This four-stroke engine provides efficient fuel combustion.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 5 Power Train The integrated Cat power train delivers dependable, relentless pulling power. Torque Converter. The large, heavyduty torque converter maximizes the productivity of the entire drive train. The torque converter is matched to the Cat C7 engine for excellent rimpull and skidding performance. This lock-up torque converter has proven its durability over thousands of hours of punishing loads. Five-Speed Transmission.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 6 Hydraulics State-of-the-art hydraulic system provides dependable power and maximum efficiency. Auto-Grab Feature. Auto-Grab, engineered by Caterpillar, constantly monitors tong pressure and adjusts as needed to securely hold grapple loads while skidding. It is easily activated on demand by a switch located on the right-hand control lever. Load Sensing Hydraulics.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 7 Structures The 525C mainframe, hitch and decking blade are designed and built to surpass the expectations of the logging industry. Caterpillar Manufacturing. The front and rear frames are robotically welded and manufactured by Caterpillar to ensure the highest level of quality and durability. Superior Balance. Low center of mass and weight forward design create excellent skidder balance. Maneuverability.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 8 Operator Station Easy to operate, fingertip controls, less fatigue Sound Insulation. With the optional enclosed cab, ample sound insulation keeps interior sound levels low. Reduced sound levels meet operator environment regulations and significantly boost operator comfort, especially on long shifts. Cab Mounting. The modular ROPS/FOPS cab is resiliently mounted to the skidder frame, reducing vibration for greater comfort and a quieter ride.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 9 Governor Pedal. The governor pedal is located to the right for more clearance between the brake pedal, and for improved operator comfort. Single-lever Grapple Control. A single four-function joystick control has top mounted switches for grapple open and close, tong rotate, and Auto-Grab System activation. The control is simple, convenient and easy to use. Decking Blade Control. The decking blade control is located on the right side console.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 10 Work Tools Move more wood with powerful, flexible Cat grapples and winches. Reliable, Productive Grapples. Caterpillar designed and manufactured grapples use box section construction for ultimate durability. The tong curvature reduces the time it takes to bundle the load, and higher clamp forces deliver excellent load retention for secure hauls to the landing. Bunching Grapples.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 11 Serviceability Ease of service increases productivity. S•O•SSM Fluid Sampling Valves. Provides a fast, convenient way to gather uncontaminated fluid samples, which improves analysis reliability. Pressure Taps. Conveniently located for easy access to hydraulic system pressure measurements. Spin-on Oil Filters. Simplify maintenance processes and shorten downtime. Electronic Transfer Pump.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 12 Customer Support Cat dealer services help you operate longer with lower costs. Product Support. You will find nearly all parts at our dealer parts counter. Cat dealers use a worldwide computer network to find in-stock parts to minimize machine down time. Save money with genuine Cat Reman parts. You receive the same warranty and reliability as new products at substantial cost savings. Product Link.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 13 Engine Engine Model Net Flywheel Power Net Power – ISO 9249 Net Power – SAE J1349 Gross Power – SAE J1995 Displacement Bore Stroke Number of Cylinders Max Torque @ Rated Speed Derating Altitude Air Cleaner Alternator Fan Speed Fan Type Electrical System Battery – Quantity Battery – Volts Battery – Capacity Starting System Power Train Cat C7 ACERT™ 136 kW 182 hp 136 kW 182 hp 136 kW 182 hp 146 kW 196 hp 7.2 L 439 in3 110 mm 4.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 14 Winch – Grapple Skidder Max Line Pull – Bare Drum Max Line Speed Drum Capacity 19.0 mm (3/4 in) Drum Capacity 22.2 mm (7/8 in) Drum capacity 25.4 mm (1 in) Drum Diameter Drum Width Service Refill 175 kN 40.
AEHQ5670-01.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 16 525C Arch 1 2 1 3 4 5 5 6 9 6 7 11 Single Function 1 2 3 4 5 6 7 8 9 10 11 Lift highest, retracted Lift highest, farthest Lift maximum reach Lift lowest, retracted Lift lowest, farthest Loaded tire radius* Reach highest, retracted Reach lowest, retracted Reach lowest, farthest Reach highest, farthest Reach maximum 9 7 Dual Function Single Function Dual Function 2212 mm (87.1 in) x x x 600 mm (23.6 in) 843 mm (33.2 in) 1630 mm (64.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 17 525C Grapple — Continuous Rotation 2 4 1 6 5 3 Sorting 1 2 3 4 5 6 Grapple capacity Tip to tip height Tong opening Full open height Minimum stem diameter Fully closed height 2 Bunching 2 0.83 m (9 ft ) 2045 mm (80.5 in) 2540 mm (100 in) 1590 mm (62.6 in) 76 mm (3 in) 1829 mm (72 in) 2 Thinning* 2 1.16 m (12.5 ft ) 1920 mm (75.6 in) 3050 mm (120 in) 1677 mm (66 in) 155 mm (6 in) 1285 mm (50.6 in) 1.34 m2 (14.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 18 Standard Equipment Standard equipment may vary. Consult your Caterpillar dealer for details.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 19 Optional Equipment Optional equipment may vary. Consult your Caterpillar dealer for details.
AEHQ5670-01.qxd 2/18/10 1:29 PM Page 20 525C Wheel Skidder For more complete information on Cat products, dealer services, and industry solutions, visit us on the web at www.cat.com © 2010 Caterpillar All Rights Reserved Printed in U.S.A. Materials and specifications are subject to change without notice. Featured machines in photos may include additional equipment. See your Caterpillar dealer for available options. AEHQ5670-01 (02-10) Replaces AEHQ5670 CAT, CATERPILLAR, SAFETY.CAT.
