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
Gross Power
203 HP
151 kW
Displacement
428 in³
7 l
Bore
4.13 in
105 mm
Stroke
5.31 in
135 mm
Maximum Torque at 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
Number of Cylinders
6
Engine Model
Cat C7.1 ACERT™
Power Train
Travel Speed - Forward 1
3.5 mile/h
5.6 km/h
Travel Speed - Forward 2
4.7 mile/h
7.6 km/h
Travel Speed - Forward 3
6.5 mile/h
10.4 km/h
Travel Speed - Forward 4
8.8 mile/h
14.1 km/h
Travel Speed - Forward 5
11.8 mile/h
18.9 km/h
Travel Speed - Reverse 1
3.5 mile/h
5.6 km/h
Travel Speed - Reverse 2
6.5 mile/h
10.4 km/h
Travel Speed - Reverse 3
11.8 mile/h
18.9 km/h
Travel Speed - Forward 6
12.4 mile/h
20 km/h
Transmission
Countershaft Powershift
Transmission Cooler Type
Water to Oil
Hydraulic System
Type
Load sense, closed center
Pump Type
Variable displacement piston pump
Pump Output
58 gal/min
220 l/min
Dimensions
Overall Width - 30.5L-32
133.3 in
3386 mm
Overall Width - 35.5L-32 NOAW
139.1 in
3533 mm
Overall Width - 30.5L-32 2X Ring
126.6 in
3216 mm
Grapple Dimensions
Grapple Capacity
14.4 ft²
1.34 m²
Tip to Tip Height
82 in
2083 mm
Tong Ppening
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
Dimensions
Weight - Cable
41745 lb
18935 kg
Overall Width - 35.5L-32
145.8 in
3703 mm
Weight - Dual Function
45249 lb
20525 kg
Weight - Single Function
44235 lb
20065 kg
Lift Chart
Lift Height, Retracted - Single Function
86.9 in
2208 mm
Lift Lowest, Furthest - Single Function
23.5 in
596 mm
Ground Level to Axle Centerline* - Single Function
33.2 in
843 mm
Reach - Highest, Retracted - Single Function
70.3 in
1786 mm
Reach - Lowest, Furthest - Single Function
105 in
2668 mm
Winch - Retrival Winch
Type
Hydraulically driven
Maximum Line Speed
134 ft/min
41 m/min
Drum Capacity - 19.0 mm (3/4 in)
195 ft
59 m
Drum Capacity - 25.4 mm (1 in)
85 ft
26 m
Maximum Line Pull - Bare Drum
40016 lbf
178 kN
Drum Diameter
9 in
229 mm
Drum Width
10 in
254 mm
Winch - Logging Winch
Maximum Line Pull - Bare Drum
40016 lbf
178 kN
Maximum Line Speed
280 ft/min
85.3 m/min
Drum Capacity - 19.0 mm (3/4 in)
195 ft
59 m
Drum Capacity - 25.4mm (1 in)
85 ft
26 m
Type
Hydraulically driven
Drum Diameter
9 in
229 mm
Drum Width
10 in
254 mm
Service Refill
Fuel Tank
83.2 gal (US)
315 l
Cooling System
15.1 gal (US)
57 l
Differential - Final Drives - Front
13.7 gal (US)
52 l
Differential - Final Drives - Rear
13.7 gal (US)
52 l
Engine Oil
7.1 gal (US)
27 l
Transmission - Torque Converter
14.3 gal (US)
54 l
DEF Tank
5 gal (US)
19 l
Differential - Final Drives - Tank
17.2 gal (US)
65 l
Differential - Final Drives - Total
32.5 gal (US)
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 Centerline*
33.2 in
843 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 Clearance*
21.7 in
550 mm
Blade Lift Height*
56.1 in
1426 mm
Blade Dig Depth*
20.8 in
529 mm
Height - 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
Wheel Base
143.8 in
3652 mm
Brakes
Service
Enclosed wet single disc
Transmission Cooler Type
Spring applied, hydraulically released
Lift Chart
Ground Level to Axle Centerline* - Dual Function
33.2 in
843 mm
Lift Height, Furthest - Dual Function
75.9 in
1928 mm
Lift Height, Retracted - Dual Function
104.4 in
2652 mm
Lift Lowest, Furthest - Dual Function
11 in
280 mm
Lift Lowest, Retracted - Dual Function
36.1 in
918 mm
Reach - Highest, Furthest - Dual Function
114.8 in
2917 mm
Reach - Highest, Retracted - Dual Function
64.7 in
1643 mm
Reach - Lowest, Furthest - Dual Function
99.1 in
2518 mm
Reach - Lowest, Retracted - Dual Function
60.7 in
1541 mm
Service Refill
Parking Brake
14.4 oz
425 ml
Standard/Optional

Standard Equipment

Electrical
Operator Environment
Powertrain
Hydraulics
Other standard equipment

Optional Equipment

Arch / Boom
Winch
Blade
Starting Aids
Tires

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