Caterpillar 525C Wheel Skidders

Specifications of Caterpillar 525C Wheel Skidders

Engine

• Air Cleaner Dry precleaner
• Alternator 80 amp
• Battery - Capacity 950 CCA
• Battery - Quantity 2
• Battery - Volts 12V
• Bore 110.0 mm
• Derating Altitude 2285.0 m
• Displacement 7.2 L
• Electrical System 24V
• Engine Make Caterpillar
• Engine Model Cat© C7 ACERT™
• Fan Speed 1620.0 RPM
• Fan Type Blower
• Gross Power - SAE J1995 136.0 kW
• Max Torque @ Rated Speed 896 N-m at 1400 RPM
• Net Flywheel Power 136.0 kW
• Net Power - ISO 9249 136.0 kW
• Net Power - SAE J1349 136.0 kW
• Number of Cylinders 6
• Starting System Direct electric
• Stroke 127.0 mm

Weights

• Est Operating Weight 17711.0 kg

Service Refill Capacities

• Cooling System 56.7 L
• Differential, Final Drive - Front 52.0 L
• Differential, Final Drive - Rear 52.0 L
• Engine Oil 27.0 L
• Fuel Tank 315.0 L
• Hydraulic System - Tank 54.0 L
• Hydraulic System - Total 112.0 L
• Mechanical Winch 24.5 L
• Transmission, Torque Converter 54.0 L

Dimensions

• Axle height 843.0 mm
• Decking blade dig depth 456.0 mm
• Decking blade lift height 1381.0 mm
• Decking blade width 3138.0 mm
• Ground Clearance 581.0 mm
• Height 3184.0 mm
• Height - Top of Cab 3184.0 mm
• Length 8369.0 mm
• Length - overall, grapple, dual 7626.0 mm
• Overall Width 3398.0 mm
• Rear axle to pin 1798.0 mm
• Top roller height (cable) 2794.0 mm
• Tread width 2622.0 mm
• Turning Radius Over Tires 6000.0 mm
• Wheelbase 3534.0 mm

Hydraulic System

• Circuit Type Closed center, variable flow
• Dozer Cylinder - Bore 101.6 mm
• Dozer Cylinder - Rod Diameter 57.15 mm
• Dozer Cylinder - Stroke 470.0 mm
• Dozer Valve Electro-hydraulic
• Grapple Valve 4 or 5 stack, pilot
• Pump Output 174.0 L/min
• Pump Type Axial piston
• Relief Valve Setting 21000.0 kPa
• Reservoir Tank Capacity 54.0 L
• Steering Cylinder - Bore 88.9 mm
• Steering Cylinder - Rod Diameter 50.8 mm
• Steering Cylinder - Stroke 437.5 mm
• Steering Valve Direct link, non-follow

Power Train

• Brakes - Parking Type Drum brake on rear output of transmission drop box
• Brakes - Service Type Single disc WET enclosed
• Steering, frame articulation +/- 45°
• Torque Converter - Type Lock-up clutch
• Transmission 5 fwd / 3 rev countershaft, powershift
• Transmission Cooler Type Plate
• Travel Speed - Fwd. 1st 6.4 km/h
• Travel Speed - Fwd. 2nd 9.0 km/h
• Travel Speed - Fwd. 3rd 10.9 km/h
• Travel Speed - Fwd. 4th 15.3 km/h
• Travel Speed - Fwd. 5th 27.5 km/h
• Travel Speed - Rev. 1st 6.2 km/h
• Travel Speed - Rev. 2nd 10.5 km/h
• Travel Speed - Rev. 3rd 18.6 km/h

Grapple

• Bunching Capacity 1.16 m2
• Sorting Capacity 0.83 m2
• Thinning Capacity 1.34 m2

Grapple, CR - Bunching

• Full closed height 1285.0 mm
• Full open height 1677.0 mm
• Grapple capacity 1.16 m2
• Minimum stem diameter 155.0 mm
• Tip to tip height 1920.0 mm
• Tong opening 3050.0 mm

Grapple, CR - Thinning

• Full closed height 1371.0 mm
• Full open height 1832.0 mm
• Grapple capacity 1.34 m2
• Minimum stem diameter 190.0 mm
• Tip to tip height 1981.0 mm
• Tong opening 3124.0 mm

Arch

• Dual Function - Reach Max 1336.0 mm
• Single Function - Reach Max 1336.0 mm

Arch, Dual Function

• Lift highest, farthest 1944.0 mm
• Lift highest, retracted 2623.0 mm
• Lift lowest, farthest 259.0 mm
• Lift lowest, retracted 752.0 mm
• Lift maximum reach 1944.0 mm
• Loaded tire radius 843.0 mm
• Reach highest, farthest 2765.0 mm
• Reach highest, retracted 1513.0 mm
• Reach lowest, farthest 2488.0 mm
• Reach lowest, retracted 1469.0 mm
• Reach maximum 2880.0 mm

Arch, Single Function

• Lift highest, retracted 2212.0 mm
• Lift lowest, farthest 600.0 mm
• Loaded tire radius 843.0 mm
• Reach highest, retracted 1630.0 mm
• Reach lowest, farthest 2521.0 mm

MSC Comments

• Spec Date 5/06

Winch - Cable Skidder

• Drum Capacity 19.0mm (3/4in) 45.0 m
• Drum Capacity 22.2mm (7/8in) 32.0 m
• Drum capacity 25.4mm (1in) 25.0 m
• Drum Diameter 254.0 mm
• Drum Width 279.0 mm
• Max Line Pull - Bare Drum 183.5 kN
• Max Line Speed 110.0 m/min

Winch - Grapple Skidder

• Drum Capacity 19.0mm (3/4in) 47.0 m
• Drum Capacity 22.2mm (7/8in) 30.0 m
• Drum capacity 25.4mm (1in) 28.0 m
• Drum Diameter 229.0 mm
• Drum Width 279.0 mm
• Max Line Pull - Bare Drum 175.0 kN
• Max Line Speed 40.2 m/min