559D Knuckleboom Loader

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Product Description

For years, Cat® knuckleboom loaders have been known for superior hydraulic performance in tough logging applications, heavy-duty boom and structures that are built to last, and fuel efficient engines that provide impressive torque characteristics. A complete factory installed delimber slasher (DS) package ensures you have the right grapple, delimber, and trailer combination for any job.

Specifications
Us
Metric
Engine
Gross Power
173 HP
129.3 kW
Engine Model
Cat C4.4 ACERT
Gross Power - 1,800 rpm
173 HP
129.3 kW
Weights
Operating Weight
33800 lb
15331 kg
Operating Weight - Without Grapple
33800 lb
15331 kg
Counterweight
N/A
Operating Specifications
Knuckleboom Length
32 ft
9.8 m
Swing Speed
11 r/min
11 r/min
Tail Swing
106 in
2692 mm
Note
*Theoretical
Swing Bearing - Diameter - Ball Path
43.5 in
1105 mm
Swing Torque*
49173 ft·lbf
66870 N·m
Maximum Reach - Standard Boom
32 ft
9.8 m
Service Refill Capacities
Hydraulic Tank
80 gal (US)
302 l
Fuel Tank
100 gal (US)
378 l
Engine Oil
2.1 gal (US)
8 l
Swing Drive
1 gal (US)
4 l
Cooling System
7.5 gal (US)
29 l
Hydraulic System
Hydraulic Pressure - Swing
3625 psi
24994 kPa
Cylinders - Main
one
Hydraulic Pressure - System
3625 psi
24994 kPa
Cylinders - Stabilizers
four
Hydraulic Oil Flow at 1,800 rpm
230/174 L/min (60/46 gal/min)
Cylinders - Stick
one
Dimensions
Stabilizer Reach Below Grade
17 in
433 mm
Stabilizer Spread - Maximum Down Reach
166.8 in
4237 mm
Stabilizer Pad Size
508 × 711 mm (20 × 28 in)
Height - Top of Cab
157.6 in
4003 mm
Stabilizer Spread - Grade
187.3 in
4758 mm
Standards
OFPS
OFPS cab meets SAE J2267
Shipping Dimensions - Mounted Trailer
Width
101.3 in
2573 mm
Height
157.6 in
4003 mm
GLK Series Grapples - GLK55
Area (tip to tip)
3.8 ft²
1.15 m²
Open
54 in
1372 mm
Dimensions
Note
559D dimensions are on non-suspension trailer.
GLK Series Grapples - GLK55
Height - Open - Excluding Rotation
46.7 in
1186 mm
GLK Series Grapples - GLK48
Area (tip to tip)
3 ft²
0.91 m²
Weight - Including Rotation
1907 lb
865 kg
Height - Open - Excluding Rotation
45.1 in
1146 mm
GLK Series Grapples - GLK55
Close
5 in
127 mm
GLK Series Grapples - GLK48
Close
4.5 in
114 mm
Open
48 in
1219 mm
GLK Series Grapples - GLK55
Weight - Including Rotation
1911 lb
867 kg
Service Refill Capacities
DEF Tank
5 gal (US)
19 l
GLK Series Grapples - GLK55
Height - Open - Including Rotation
68 in
1724 mm
Weight - Excluding Rotation
1411 lb
640 kg
Note
All specifications are approximate.
GLK Series Grapples - GLK48
Weight - Excluding Rotation
1407 lb
638 kg
Height - Open - Including Rotation
66 in
1685 mm
Note
All specifications are approximate.
Standard/Optional

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