Lull 1044C-54 Series II Service Manual - Manual (Page 253)

Boom and Transfer
31200079 6-111
Extension Cylinder
4-Section Boom
Description
Fig. 6-116: 4-Section Boom Extension Cylinder
The 4-section boom extension cylinder is located beneath the boom
assembly. It is attached from the middle (rear) to the outer boom section.
Its operating pressure is 3000 psi and weighs 650 pounds. When
completely retracted, it is 149-3/4" long. When fully extended, it is 280-3/4"
long.
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