A benchmark for the industry, Caterpillar knuckleboom loaders set new standards in performance, controllability and safety.

Stationary Mount Knuckleboom Loaders

519 SM

Gross Power
75 mm H2O (55.9 kg/mm)...

Knuckleboom Length
27 ft (8.2 m)
Operating Weight
15915 lb (7218.9 null)...

519 SM/EHC

Gross Power
75 mm H2O (55.9 kg/mm)...

Knuckleboom Length
27 ft (8.2 m)
Operating Weight
15315 lb (6946.8 null)...

569 SM

Gross Power
100 mm H2O (74.6 kg/mm...

Knuckleboom Length
32.5 ft (9.9 m)
Operating Weight
19145 lb (8684 null)...

569 SM/EHC

Gross Power
100 mm H2O (74.6 kg/mm...

Knuckleboom Length
32.5 ft (9.9 m)
Operating Weight
18545 lb (8411.9 null)...

Trailer Mount Knuckleboom Loaders

559C

Gross Power
174 mm H2O (129.5 kg/m...

Knuckleboom Length
32 ft (9.8 m)
Operating Weight
34100 lb (15500 null)...

559D

Gross Power
173 mm H2O (129.3 kg/m...

Knuckleboom Length
32 ft (9.8 m)
Operating Weight
33800 lb (15331 null)...

579C

Gross Power
174 mm H2O (129.5 kg/m...

Knuckleboom Length
32 ft (9.8 m)
Operating Weight
36480 lb (16582 null)...

579D

Gross Power
173 mm H2O (129.3 kg/m...

Knuckleboom Length
32 ft (9.8 m)
Operating Weight
36500 lb (16556 null)...

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