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

Trailer Mount Knuckleboom Loaders

ModelGross PowerKnuckleboom LengthOperating Weight
519 156 hp 27 ft 19099 lb
529 156 hp 29 ft 27900 lb
559B 167 hp 32 ft 32200 lb
569 2500 psi 179 in 65 gal
579 173 hp 32.5 ft 34000 lb

Stationary Mount Knuckleboom Loaders

ModelGross PowerKnuckleboom LengthOperating Weight
519 SM 75 hp 27 ft 15915 lb
519 SM/EHC 75 hp 27 ft 15315 lb
569 SM 100 hp 32.5 ft 19145 lb
569 SM/EHC 100 hp 32.5 ft 18545 lb