579D Knuckleboom Loader

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579D Knuckleboom Loader

Product Specs

Operating Specifications

Maximum Reach - Standard Boom
32ft
Swing Bearing - Diameter - Ball Path
43.5in
Swing Torque*
73800ft·lbf
Tail Swing
108.2in
Knuckleboom Length
32ft
Swing Speed
9.5r/min
Note
*Theoretical

Hydraulic System

Cylinders - Stabilizers
four
Hydraulic Oil Flow at 1,800 rpm
230/230 L/min (60/60 gal/min)
Cylinders - Main
one
Cylinders - Stick
one
Hydraulic Pressure - Swing
3625psi
Hydraulic Pressure - System
3625psi

Dimensions

Stabilizer Pad Size
508 × 711 mm (20 × 28 in)
Stabilizer Reach Below Grade
15.5in
Stabilizer Spread - Maximum Down Reach
166.8in
Stabilizer Spread - Grade
183.8in
Height - Top of Cab
159.1in
Note
579D dimensions are on suspension trailer.

Standards

OFPS
OFPS cab meets SAE J2267

Shipping Dimensions - Mounted Trailer

Width
101.3in
Height
159.1in

Engine

Gross Power
173HP
Engine Model
Cat C4.4 ACERT
Gross Power - 1,800 rpm
173HP

Weights

Operating Weight
36500lb
Counterweight
1440lb
Operating Weight - Without Grapple
36500lb

Service Refill Capacities

Hydraulic Tank
80gal (US)
Fuel Tank
100gal (US)
Cooling System
7.5gal (US)
Engine Oil
2.1gal (US)
Swing Drive
2.6gal (US)
DEF Tank
5gal (US)

GLK Series Grapples - GLK48

Area (tip to tip)
3ft²
Close
4.5in
Height - Open - Excluding Rotation
45.1in
Height - Open - Including Rotation
66in
Note
All specifications are approximate.
Open
48in
Weight - Excluding Rotation
1407lb
Weight - Including Rotation
1907lb

GLK Series Grapples - GLK55

Area (tip to tip)
3.8ft²
Close
5in
Height - Open - Excluding Rotation
46.7in
Height - Open - Including Rotation
68in
Note
All specifications are approximate.
Open
54in
Weight - Excluding Rotation
1411lb
Weight - Including Rotation
1911lb

Interested In This Product?

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1 (800) 845-9188

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