Caterpillar Performance Handbook, January 2017, SEBD0351-47

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Specifications

Wood Extraction Wheel Skidders

MODEL

525D

535D

Engine:

Engine Model Gross Power Displacement

C7.1 ACERT

151 kW

168 kW

203 hp 428 in³

225 hp 428 in³

7.0 L

Bore

105 mm 135 mm

4.13" 5.31"

Stroke

Number of Cylinders

Maximum Torque @ 1400 rpm

922 N·m 3000 m

1028 N·m

680 lb-ft

758 lb-ft

Derating Altitude Electrical System Battery — Quantity

3000 m

9843 ft

24V

Battery —Volts

12V

Battery — Capacity

950 CCA

PowerTrain:

Transmission

Countershaft Powershift

Transmission Cooler Type Travel Speed — Fwd 1st Travel Speed — Fwd 2nd Travel Speed — Fwd 3rd Travel Speed — Fwd 4th Travel Speed — Fwd 5th Travel Speed — Fwd 6th Travel Speed — Rev 1st Travel Speed — Rev 2nd Travel Speed — Rev 3rd

Water to Oil

5.6 km/h 7.6 km/h 10.4 km/h 14.1 km/h 18.9 km/h 20.0 km/h 5.6 km/h 10.4 km/h 18.9 km/h

3.5 mph 4.7 mph 6.5 mph 8.8 mph 11.8 mph 12.4 mph 3.5 mph 6.5 mph 11.8 mph

Brakes:

Service

Enclosed wet single disc

Transmission CoolerType

Spring applied, hydraulically released Spring applied, hydraulically released

Hydraulic System: Type

Load sense, closed center

Pump Type Pump Output

Variable displacement piston pump

220 L/min

58 gpm

Service Refill: Fuel Tank

315 L

378 L

83.2 U.S. gal 5.0 U.S. gal 7.1 U.S. gal 15.1 U.S. gal 14.3 U.S. gal

99.8 U.S. gal 5.0 U.S. gal 7.1 U.S. gal 15.1 U.S. gal 14.3 U.S. gal

DEF Tank* Engine Oil

19 L 27 L 57 L 54 L

Cooling System

Transmission,Torque Converter

Parking Brake

425 mL

14.4 oz

Differential, Final Drive: Front

52 L 52 L

13.7 U.S. gal 13.7 U.S. gal

Rear

Hydraulic System: Tank

65 L

17.2 U.S. gal 32.5 U.S. gal

Total

123 L

*Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final) equipped machines only.

5-38 Edition 47

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