525 Wheel Skidder

Overview & Specifications

Engine

Net Flywheel Power

160 hp

119 kW

Engine Model

Cat 3304 DIT Diesel

Cat 3304 DIT Diesel

Net Power - ISO 9249

160 hp

119 kW

Net Power - SAE J1349

158 hp

118 kW

Gross Power - SAE J1995

179 hp

134 kW

Governed Speed at Rated Power

2200 RPM

2200 RPM

Displacement

425 in3

7 L

Bore

4.76 in

121 mm

Stroke

6 in

152 mm

Derating Altitude

7500 ft

2286 m

Air Cleaner

dry, dual element

dry, dual element

Alternator

75 Amp

75 Amp

Fan Type

blower

blower

Electrical System

24 V

24 V

Battery - Quantity

2

2

Battery - Volts

12 V

12 V

Battery - Capacity

93 Amp-hr

93 Amp-hr

Starting System

24 V

24 V

Number of Cylinders

4

4

Power Train

Travel Speed - Fwd. 1st

3.9 mph

6.3 km/h

Travel Speed - Fwd. 2nd

6.5 mph

10.5 km/h

Travel Speed - Fwd. 3rd

9.2 mph

14.8 km/h

Travel Speed - Fwd. 4th

16 mph

25.8 km/h

Travel Speed - Rev. 1st

3.9 mph

6.3 km/h

Travel Speed - Rev. 2nd

6.5 mph

10.5 km/h

Travel Speed - Rev. 3rd

11.8 mph

19 km/h

Max Drawbar Pull

43500 lb

193.5 kN

Transmission

4 fwd/3 rev

4 fwd/3 rev

Steering, frame articulation

fully hydraulic control

fully hydraulic control

Brakes - Service Type

hydraulic actuated, oil disc

hydraulic actuated, oil disc

Brakes - Parking Type

mechanical shoe

mechanical shoe

Transmission Cooler Type

plate

plate

Hydraulic System

Circuit Type

closed-cntr, var flow

closed-cntr, var flow

Pump Type

axial piston

axial piston

Pump Output

45.5 gal/min

175 L/min

Relief Valve Setting

3000 psi

20700 kPa

Reservoir Tank Capacity

12.9 gal

49 L

Steering Valve

direct link, non-follow

direct link, non-follow

Steering Cylinder - Bore

3 in

76 mm

Steering Cylinder - Stroke

17 in

436 mm

Steering Cylinder - Rod Diameter

1.77 in

45 mm

Dozer Valve

direct linkage

direct linkage

Dozer Cylinder - Bore

4 in

102 mm

Dozer Cylinder - Stroke

14 in

356 mm

Dozer Cylinder - Rod Diameter

2 in

51 mm

Grapple Valve

3 or 4 stack, pilot

3 or 4 stack, pilot

Grapple

Bunching Capacity

12.5 ft2

1.16 m2

Sorting Capacity

9 ft2

0.84 m2

Bunching - Full Open Height

73.8 in

1874.5 mm

Bunching - Fully Closed Height

60.32 in

1532 mm

Bunching - Min. Stem Diameter

5.3 in

134.6 mm

Bunching - Tip to Tip Height

89.1 in

2263 mm

Bunching - Tong Opening

120 in

3048 mm

Sorting - Full Open Height

61.5 in

1562.1 mm

Sorting - Fully Closed Height

72 in

1829 mm

Sorting - Minimum Stem Diameter

3 in

76.2 mm

Sorting - Tip to Tip Height

86.5 in

2197.1 mm

Sorting - Tong Opening

100 in

2540 mm

Arch

Dual Function - Lift highest, retracted

106.1 in

2694.9 mm

Dual Function - Lift highest, farthest

72 in

1828.8 mm

Dual Function - Lift max reach

44.3 in

1125.2 mm

Dual Function - Lift lowest, retracted

44.3 in

1125.2 mm

Dual Function - Lift lowest, farthest

14.9 in

378.5 mm

Dual Function - Reach Highest, Retracted

48.9 in

1242.1 mm

Dual Function - Reach Lowest, Retracted

58.7 in

1491 mm

Dual Function - Reach Lowest, Farthest

104.5 in

2654.3 mm

Dual Function - Reach Highest, Farthest

107.3 in

2725.4 mm

Dual Function - Reach Max

107.3 in

2725.4 mm

Single Function - Reach Max

99.1 in

2517.1 mm

Single Function - Lift Highest, retracted

85.4 in

2169.2 mm

Winch - Grapple Skidder

Max Line Pull - Bare Drum

38200 lb

170 kN

Max Line Speed

502 ft/min

153.1 m/min

Drum Capacity 19.0mm (3/4in)

199 ft

61 m

Drum Diameter

12 in

304.8 mm

Drum Width

7.9 in

200 mm

Service Refill

Fuel Tank

68 gal

265 L

Cooling System

9 gal

36 L

Differential, Final Drive - Front

11 gal

42 L

Differential, Final Drive - Rear

11 gal

42 L

Engine Oil

4 gal

19 L

Transmission, Torque Converter

14 gal

53 L

Mechanical Winch

5.1 gal

19.4 L

Hydraulic System - Tank

14 gal

55 L

Hydraulic System - Total

18 gal

70 L

Dimensions

Wheelbase

138 in

3500 mm

Length

218.3 in

5544 mm

Overall width

123.2 in

3130 mm

Height

121.5 in

3087 mm

Ground Clearance

20.75 in

527 mm

Weights

Est Operating Weight

29891 lb

13558 kg