525B Wheel Skidder

Overview & Specifications

Engine

Net Flywheel Power

160 hp

119 kW

Engine Model

Cat 3126 DITA diesel

Cat 3126 DITA diesel

Net Power - ISO 9249

160 hp

119 kW

Net Power - SAE J1349

160 hp

119 kW

Gross Power - SAE J1995

180 hp

134 kW

Governed Speed at Rated Power

2200 RPM

2200 RPM

Displacement

441.78 in3

7.24 L

Bore

4.33 in

110 mm

Stroke

5 in

127 mm

Torque Rise

50%

50%

Max Torque @ Rated Speed

779.1 @ 1400 Nm

779.1 @ 1400 Nm

Derating Altitude

10663 ft

3250 m

Air Cleaner

dry centrifugal precleaner

dry centrifugal precleaner

Alternator

75 Amp

75 Amp

Fan Speed

1909 RPM

1909 RPM

Fan Type

blower

blower

Electrical System

24 V

24 V

Battery - Quantity

2

2

Battery - Volts

12 V

12 V

Battery - Capacity

950 CCA

950 CCA

Starting System

direct electric

direct electric

Number of Cylinders

6

6

Power Train

Travel Speed - Fwd. 1st

3.95 mph

6.36 km/h

Travel Speed - Fwd. 2nd

5.55 mph

8.94 km/h

Travel Speed - Fwd. 3rd

6.75 mph

10.87 km/h

Travel Speed - Fwd. 4th

9.49 mph

15.28 km/h

Travel Speed - Fwd. 5th

17.1 mph

27.53 km/h

Travel Speed - Rev. 1st

3.84 mph

6.18 km/h

Travel Speed - Rev. 2nd

6.5 mph

10.46 km/h

Travel Speed - Rev. 3rd

11.55 mph

18.6 km/h

Max Drawbar Pull

38730 lb

172 kN

Torque Converter - Model

3308 Lock-up

3308 Lock-up

Torque Converter - Type

sngl stg, rotating housing

sngl stg, rotating housing

Transmission

Countershaft 5fwd/3rev

Countershaft 5fwd/3rev

Steering, frame articulation

hydraulic control

hydraulic control

Brakes - Service Type

hydraulic, wet disc

hydraulic, wet disc

Brakes - Parking Type

drum

drum

Transmission Cooler Type

Plate

Plate

Hydraulic System

Circuit Type

closed cntr, load sensing

closed cntr, load sensing

Pump Type

axial piston

axial piston

Pump Output

50 gal/min

190 L/min

Relief Valve Setting

3045 psi

21000 kPa

Reservoir Tank Capacity

16.5 gal

62.5 L

Steering Valve

direct link, non-follow

direct link, non-follow

Steering Cylinder - Bore

2.97 in

76.2 mm

Steering Cylinder - Stroke

17.02 in

436.4 mm

Steering Cylinder - Rod Diameter

1.73 in

44.45 mm

Dozer Valve

direct linkage control

direct linkage control

Dozer Cylinder - Bore

3.95 in

101.6 mm

Dozer Cylinder - Stroke

18.33 in

470 mm

Dozer Cylinder - Rod Diameter

2.23 in

57.1 mm

Grapple Valve

3or4 stack, pilot control

3or4 stack, pilot control

Grapple

Bunching Capacity

12.5 ft2

1.16 m2

Sorting Capacity

9 ft2

0.836 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

1828.9 mm

Dual Function - Lift max reach

45.3 in

1150.6 mm

Dual Function - Lift lowest, retracted

44.3 in

1125.2 mm

Dual Function - Lift lowest, farthest

107.3 in

2725.4 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

107.3 in

2725.4 mm

Dual Function - Reach Highest, Farthest

104.5 in

2654.3 mm

Dual Function - Reach Max

110.3 in

2801.6 mm

Single Function - Reach Max

99.1 in

2517 mm

Single Function - Lift Highest, retracted

85.4 in

2169 mm

Winch - Grapple Skidder

Max Line Pull - Bare Drum

39300 lb

175 kN

Max Line Speed

340 ft/min

103.6 m/min

Drum Capacity 19.0mm (3/4in)

148 ft

45 m

Drum Capacity 22.2mm (7/8in)

106 ft

32 m

Drum capacity 25.4mm (1in)

82 ft

25 m

Drum Diameter

10 in

254 mm

Drum Width

6.69 in

171.5 mm

Service Refill

Fuel Tank

83.2 gal

315 L

Cooling System

13.2 gal

50 L

Differential, Final Drive - Front

13.73 gal

52 L

Differential, Final Drive - Rear

13.73 gal

52 L

Engine Oil

7.13 gal

27 L

Transmission, Torque Converter

14.26 gal

54 L

Mechanical Winch

6.47 gal

24.5 L

Hydraulic System - Tank

16.5 gal

62.5 L

Hydraulic System - Total

32.47 gal

123 L

Dimensions

Wheelbase

139.1 in

3533 mm

Length

241.62 in

6195.4 mm

Overall width

133.3 in

3385 mm

Height

126.11 in

3233.5 mm

Ground Clearance

18.24 in

463.4 mm

Weights

Est Operating Weight

35800 lb

16238 kg