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Caterpillar

525B

Skidder

Max Speed - Forward
11.6 mph
Gross Power
160.0 hp
All skidders/yarders
Caterpillar 525B Skidder
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Specifications

121 data points

Operating Specifications

Operating Specifications specifications
Transmission Fluid Capacity32.5 gal
Steering Angle—
Fuel Capacity13.2 gal
Cooling System Fluid Capacity7.2 gal
Tire Size8.8
Rear Diff Fluid Capacity14.3 gal
Engine Oil Capacity13.8 gal
Front Diff Fluid Capacity13.8 gal
Axle Oscillation85 °

Engine

Engine specifications
Engine Model180
Power Measured @442 rpm
Gross Power160.0 hp
Aspiration35800
Torque Measured @83 rpm
Bore5 in
Stroke160 in
Air cleaner24 V
Net Power - ISO 9249160.0 hp
Net Power - SAE J1349180.0 hp
Net Power - EEC 80/1269160.0 hp
Net Flywheel Power10,663.2 hp
Derating Altitude26,400 in
Electrical System2
Governed Speed at Rated Powerdry centrifugal precleaner rpm
Battery - Volts950 CCA
Battery Quantity12 V
Battery Capacityblower
Fan Speedhydraulic wet disc rpm
Fan Typedirect electric
Maximum Torque at Rated Speed1,909
Starting System779.1 @ 1400 Nm

Weights

Weights specifications
Open ROPSaxial piston lbs (0.00 kg)

Hydraulic System

Hydraulic System specifications
Relief Valve Pressure12 psi
Pump Type3045
Relief Valve Setting—
Circuit Typedirect link non-follow
Pump Output16.5 gal/min
Dozer Cylinder - Bore18 in
Dozer Cylinder - Rod Diameter3 in
Dozer Cylinder - Stroke2 in
Dozer Valve4
Grapple Valve50
Reservoir Tank Capacity10.6 gal
Steering Cylinder - Bore17 in
Steering Cylinder - Rod Diameterdirect linkage control in (0.00 cm)
Steering Cylinder - Stroke2 in
Steering Valve3

Dimensions

Dimensions specifications
Height - Top of Cab19 in
Wheelbase114 in
Overall Length134 in
Overall Width128 in
Height73 in
Wheel Base998 in
Length139 in
Drum Capacity at Cable Width472,099 in
Max Line Pull - bare drum340 lb
Cable Width148 in
Max Blade Height9 in
Grapple Capacity - tongs tip to tip3.99 yd³
Max Height of Boom108 in
Max Line Speed0.0 mph

Transmission

Transmission specifications
Max Speed - Forward11.6 mph
Number of Reverse Gears17
Transmission Type5
Number of Forward Gears3

Undercarriage

Undercarriage specifications
Ground Contact Area—
Length of Track on Ground—

Power Train

Power Train specifications
Brakes - Parking Typehydraulic control
Brakes - Service Typedrum
Maximum Drawbar Pull4 lb
Steering, Frame Articulation38,730
Torque Converter Type35,800
Transmission Cooler TypeCountershaft 5fwd/3rev
Travel Speed - Forward 15.6 mph
Travel Speed - Forward 26.8 mph
Travel Speed - Forward 39.5 mph
Travel Speed - Forward 43.9 mph
Travel Speed - Reverse 16.5 mph
Travel Speed - Reverse 211.6 mph
Travel Speed - Reverse 3Plate mph (0.00 kph)
Transmission Cooler Locationsngl stg rotating housing
Transmission17.1
Travel Speed - Forward 53308 Lock-up

Service Refill

Service Refill specifications
Fuel Tank13.8 gal
Cooling System32.5 gal
Engine Oil16.5 gal
Hydraulic System - Total7.2 gal
Differential - Final Drives - Front13.8 gal
Differential - Final Drives - Rear14.3 gal
Mechanical Winch13.2 gal
Transmission - Torque Converter6.5 gal

Winch - Grapple Skidder

Winch - Grapple Skidder specifications
Drum Capacity - 19.0 mm (3/4 in)120 in
Drum Diameter7 in
Maximum Line Pull - Bare Drum340 lb
Maximum Line Speed1.7 mph
Drum Capacity - 22.2 mm (7/8 in)984 in
Drum Width106 in

Arch

Arch specifications
Arch Types45
Dual Function - Lift Highest, Farthest106 in
Dual Function - Lift Highest, Retracted107 in
Dual Function - Lift Lowest, Farthest44 in
Dual Function - Lift Lowest, Retracted105 in
Dual Function - Lift Maximum Reach72 in
Dual Function - Reach Highest, Farthest49 in
Dual Function - Reach Highest, Retracted107 in
Dual Function - Reach Lowest, Farthest59 in
Dual Function - Reach Lowest, Retracted110 in
Dual Function - Reach Maximum74 in
Single Function - Lift Highest, Retracted99 in

Grapple

Grapple specifications
Bunching - Tip to Tip Height120 in
Sorting - Tong Opening13 in
Sorting Capacity15,667.66 yd³
Bunching - Capacity3.58 yd³
Sorting - Tip to Tip Height100 in
Bunching - Full Open Height60 in
Bunching - Fully Closed Height5 in
Bunching - Minimum Stem Diameter89 in
Bunching - Tong Opening62 in
Sorting - Full Open Height72 in
Sorting - Fully Closed Height3 in
Sorting - Minimum Stem Diameter87 in

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