Caterpillar Performance Handbook, January 2017, SEBD0351-47

Features Specifications

Processing/Loading Trailer Mount Knuckleboom Loaders

● Heavy-duty sub-frames are engineered for high reli- ability and stability. ● Heavy duty off road axles provide trouble free opera- tion in the harsh woods environment. ● Quiet, comfortable cabs with excellent visibility. Loaders offered with a factory matched performance package — The “DS” package is a complete factory installed timber merchandising system consisting of a knuckleboom loader and grapple, trailer with trailer mounted delimber.

529/559C/579C Features: ● Advanced boom design technology built tough with welded high-strength steel. ● Booms are engineered to withstand high production pull-through delimbing and loading. ● Boom reach ranges from 8.8 m (29 ft) on the 529 up to 10.9 m (36 ft) on the 579C. ● Smooth and responsive joystick controls . ● Swing torque ratings up to nearly 100 kN·m (73,700 lb-ft), combined with swing speeds up to 11 RPM. ● Continuous rotation grapples are constructed of wear resis- tant, high tensile steel with heavy-duty rotators designed for strenuous pull-through delimbing applications.

MODEL

529

559C

579C

Gross Power

116.3 kW

129.3 kW

129.3 kW

156 hp

173 hp

173 hp

Engine

C6.6 ACERT

C6.6 ACERT

C6.6 ACERT

Engine RPM

2200

1800

1800

OperatingWeight (with standard boom, less options, carrier & grapple)

12 655 kg

15 558 kg

16 674 kg

27,900 lb

34,300 lb

36,760 lb

Hydraulic System: System Pressure

18 960 kPa 18 271 kPa

24 131 kPa 24 131 kPa

24 131 kPa 24 131 kPa

2750 psi 2650 psi

3500 psi 3500 psi

3500 psi 3500 psi

Swing Pressure Swing Speed

8 RPM

11 RPM

9 RPM

Capacities:

Fuel Capacity

276.3 L 295.3 L

378.5 L 302.8 L

378.5 L 302.9 L 653.2 kg 299.5 cm

73 U.S. gal 78 U.S. gal

100 U.S. gal 80 U.S. gal

100 U.S. gal 80 U.S. gal

Hydraulic Capacity

Counterweight

1496.8 kg 248.9 cm

0 kg

3300 lb

0 lb

1440 lb

Tailswing (with counterweight)

297.7 cm

98"

117.2" 32'0"

117.9" 32'0"

Knuckleboom Length

8.8 m

9.75 m

9.75 m

29'0"

5-84 Edition 47