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579C Knuckleboom Loader

Product Description

Cat knuckleboom loaders are known for superior multifunction capability, excellent visibility and heavy-duty booms and structures. Now the Cat C Series knuckleboom loaders feature a new more fuel efficient power system, an upgraded hydraulic system for greater reliability and significantly more lift at full reach than previous models. Like the smaller model, the Cat 579C, now has a right-side operator's cab with a walk-up platform and enlarged doorway for safe access to the cab.

Specifications
Us
Metric
Engine
Gross Power
174 hp
129.5 kW
Engine Model
Cat® C6.6 ACERT™ Tier 4 Interim
Gross Power - 1,800 rpm
174 hp
129.5 kW
Weights
Operating Weight
36480 lb
16582 kg
Counterweight
1440 lb
653 kg
Operating Weight - Without Grapple
36480 lb
16582 kg
Operating Weight - Less Grapple
36480 lb
16582 kg
Operating Specifications
Knuckleboom Length
32 ft
9.8 m
Swing Speed
9.5 r/min
9.5 r/min
Tail Swing
108.2 in
2750 mm
Swing Torque
73800 ft-lb
100360 N·m
Maximum Reach - Standard Boom
32 ft
9.8 m
Standard Knuckleboom Reach to Pin
32 ft
9.8 m
Swing Bearing - Diameter - Ball Path
43.5 in
1105 mm
Service Refill Capacities
Hydraulic Tank
80 gal (US)
302 l
Fuel Tank
100 gal (US)
378 l
Cooling System
7.5 gal (US)
29 l
Swing Drive
2.6 gal (US)
10 l
Engine Oil
4 gal (US)
15 l
Hydraulic System
Cylinders - Stick
one
Hydraulic Pressure - Swing
3500 psi
24131 kPa
Cylinders - Main
two
Hydraulic Pressure - System
3500 psi
24131 kPa
Cylinders - Stabilizers
four
Hydraulic Oil Flow at 1,800 rpm
230/230 L (60/60 gal)
Dimensions
Stabilizer Reach Below Grade
12.8 in
324 mm
Stabilizer Spread - Maximum Down Reach
166.8 in
4237 mm
Stabilizer Pad Size
508 × 711 mm (20 × 28 in)
Stabilizer Spread - Grade
183.8 in
4670 mm
Height - Top of Cab
161.9 in
4112 mm
Standards
OFPS
cab meets SAE J2267
Shipping Dimensions - Mounted Trailer
Height
161.9 in
4112 mm
Width
101.3 in
2573 mm
Standard/Optional

Standard Equipment

ELECTRICAL
OPERATOR ENVIRONMENT
POWER TRAIN
HYDRAULICS
STRUCTURE AND SUBFRAME
BOOMS AND STICKS
ANTIFREEZE

Optional Equipment

DS SYSTEMS
OTHER EQUIPMENT
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