525D Wheel Skidder

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Product Description

Building on Caterpillar's 40+ years' experience designing and manufacturing skidders, the Cat® D Series Wheel Skidder delivers more productivity at lower operating cost. Get more wood to the landing faster in a stable machine with a roomy, comfortable environment for the operator. Advanced hydraulics speed up multi-functioning and cycle times and give you more lift capacity. The D Series runs cool and is designed to keep debris from collecting inside the machine. Tilting cab and other access points cut the time needed for daily maintenance and servicing.

Specifications
Us
Metric
Engine
Engine Model
Cat C7.1 ACERT™
Gross Power
203 hp
151 kW
Displacement
428 in3
7.0 L
Bore
4.13 in
105 mm
Stroke
5.31 in
135 mm
Number of Cylinders
6
Max Torque @ Rated Speed
922 N-m at 1,400 RPM
Derating Altitude
9843 ft
3000 m
Electrical System
24V
Battery - Quantity
2
Battery - Volts
12V
Battery - Capacity
950 CCA
Power Train
Transmission
Countershaft Powershift
Transmission Cooler Type
Water to Oil
Travel Speed - Fwd. 1st
3.5 mph
5.6 km/h
Travel Speed - Fwd. 2nd
4.7 mph
7.6 km/h
Travel Speed - Fwd. 3rd
6.5 mph
10.4 km/h
Travel Speed - Fwd. 4th
8.8 mph
14.1 km/h
Travel Speed - Fwd. 5th
11.8 mph
18.9 km/h
Travel Speed - Fwd. 6th
12.4 mph
20.0 km/h
Travel Speed - Rev. 1st
3.5 mph
5.6 km/h
Travel Speed - Rev. 2nd
6.5 mph
10.4 km/h
Travel Speed - Rev. 3rd
11.8 mph
18.9 km/h
Brakes
Service
Enclosed wet single disc
Transmission Cooler Type
Spring applied, hydraulically released
Hydraulic System
Type
Load sense, closed center
Pump Type
Variable displacement piston pump
Pump Output
58 gal/min
220 L/min
Winch - Retrival Winch
Type
Hydraulically driven
Max Line Pull - Bare Drum
40016 lbf
178 kN
Max Line Speed
134 ft/min
41 m/min
Drum Diameter
9 in
229 mm
Drum Width
10 in
254 mm
Drum Capacity 19.0mm (3/4in)
195 ft
59 m
Drum Capacity 25.4mm (1in)
85 ft
26 m
Winch - Logging Winch
Type
Hydraulically driven
Max Line Pull - Bare Drum
40016 lbf
178 kN
Max Line Speed
280 ft/min
85.3 m/min
Drum Diameter
9 in
229 mm
Drum Width
10 in
254 mm
Drum Capacity 19.0mm (3/4in)
195 ft
59 m
Drum Capacity 25.4mm (1 in)
85 ft
26 m
Service Refill
Fuel Tank
83.2 gal
315.0 L
DEF Tank
5.0 gal
19 L
Engine Oil
7.1 gal
27.0 L
Cooling System
15.1 gal
57 L
Transmission, Torque Converter
14.3 gal
54.0 L
Parking Brake
14.4 oz
425 mL
Differential, Final Drive - Front
13.7 gal
52.0 L
Differential, Final Drive - Rear
13.7 gal
52.0 L
Differential, Final Drive - Tank
17.2 gal
65 L
Differential, Final Drive - Total
32.5 gal
123 L
Dimensions
Ground level to top arch/boom* - Cable
109.6 in
2785 mm
Ground level to top arch/boom* - Single Function
145.8 in
3702 mm
Ground level to top arch/boom* - Dual Function
162.8 in
4136 mm
Ground level to axle center line*
33.2 in
843 mm
Wheelbase
143.8 in
3652 mm
Overall length - Cable
287.3 in
7297 mm
Overall length - Single Function
356.3 in
9051 mm
Overall length - Dual Function
327.6 in
8322 mm
Ground clearence*
21.7 in
550 mm
Blade lift height*
56.1 in
1426 mm
Blade dig depth*
20.8 in
529 mm
Height to top of cab*
133.3 in
3386 mm
Blade width - Standard
105.4 in
2678 mm
Blade width - Wide
123.5 in
3138 mm
Overall width - 30.5L-32 NOAW
126.6 in
3216 mm
Overall width - 30.5L-32 2X Ring
126.6 in
3216 mm
Overall width - 30.5L-32
133.3 in
3386 mm
Overall width - 35.5L-32 NOAW
139.1 in
3533 mm
Overall width - 35.5L-32
145.8 in
3703 mm
Weight - Cable
41745 lb
18935 kg
Weight - Single Function
44235 lb
20065 kg
Weight - Dual Function
45249 lb
20525 kg
Lift Chart
Lift height, retracted - Single Function
86.9 in
2208 mm
Lift height, retracted - Dual Function
104.4 in
2652 mm
Lift height, furthest - Dual Function
75.9 in
1928 mm
Lift lowest, retracted - Dual Function
36.1 in
918 mm
Lift lowest, furthest - Single Function
23.5 in
596 mm
Lift lowest, furthest - Dual Function
11.0 in
280 mm
Ground level to axle center line* - Single Function
33.2 in
843 mm
Ground level to axle center line* - Dual Function
33.2 in
843 mm
Reach highest, retracted - Single Function
70.3 in
1786 mm
Reach highest, retracted - Dual Function
64.7 in
1643 mm
Reach lowest, retracted - Dual Function
60.7 in
1541 mm
Reach lowest, furthest - Single Function
105.0 in
2668 mm
Reach lowest, furthest - Dual Function
99.1 in
2518 mm
Reach highest, furthest - Dual Function
114.8 in
2917 mm
Grapple Dimensions
Grapple capacity
14.4 ft2
1.34 m2
Tip to tip height
82.0 in
2083 mm
Tong opening
126.2 in
3205 mm
Full open height
71.3 in
1811 mm
Minimum stem diameter
6.9 in
176 mm
Full closed height
54.4 in
1382 mm
Standard/Optional

Standard Equipment

Electrical
Operator Environment
Powertrain
Hydraulics
Other standard equipment

Optional Equipment

Arch / Boom
Fenders, heavy duty
Winch
Blade
Starting Aids
Lights, LED working (additional 8 lights)
Screens, window & wiper protection
Wipers, front and rear
Water tank
Steering, secondary
Tires

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