All booms are constructed from AISE "S" shapes using the first listed weight only for each noted "B" dimension beam depth size. Thrust and pull loads include a 15% allowance of live load jib crane capacity for weight of hoist. Above dimensions are for general reference only - for specific installation dimensions, request certified Drawing No. SD-600-7CF. Apply to factory for different capacities, longer booms, different hinge centers ("G" dimension) or any other needed changes.
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Item #

Capacity

Span (A)

Boom Size (B)

Hinge Centers (C)

Knee Brace (D)

Thrust and Pull

N/A 4000 lbs. N/A 16'-0" N/A 15 inches N/A 5'-0" N/A 2'-0" N/A 15000 lbs.
N/A 4000 lbs. N/A 18'-0" N/A 18 inches N/A 5'-6" N/A 2'-6" N/A 15800 lbs.
N/A 4000 lbs. N/A 20'-0" N/A 18 inches N/A 6'-0" N/A 2'-6" N/A 16300 lbs.
N/A 6000 lbs. N/A 8'-0" N/A 12 inches N/A 3'-0" N/A 2'-0" N/A 18300 lbs.
N/A 6000 lbs. N/A 10'-0" N/A 15 inches N/A 3'-6" N/A 2'-0" N/A 18450 lbs.
N/A 6000 lbs. N/A 12'-0" N/A 15 inches N/A 4'-0" N/A 3'-0" N/A 19700 lbs.
N/A 6000 lbs. N/A 14'-0" N/A 18 inches N/A 4'-6" N/A 3'-0" N/A 21075 lbs.
N/A 6000 lbs. N/A 16'-0" N/A 18 inches N/A 5'-6" N/A 3'-0" N/A 20050 lbs.
N/A 6000 lbs. N/A 18'-0" N/A 20 inches N/A 6'-0" N/A 3'-0" N/A 21250 lbs.
N/A 6000 lbs. N/A 20'-0" N/A 20 inches N/A 6'-6" N/A 3'-0" N/A 22125 lbs.
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