Manual


Improper design or fabrication of crane bridge beam assemblies could result in
death or serious injury, and property damage.
a) Determining Dimensions - Select the proper crane bridge based on capacity and span from
Table 2-4 for single girder bridge cranes.
b) For double girder bridge beams consult factory.
Table 2-4 BRIDGE BEAMS - Used for Harrington Crane Packages and Systems
Capacity
Tons
Span ft
1/2 1 2 3 5 8 10
10 S8x18.4 S8x18.4 S10x25.4 S12x31.8 S12x40.8 W18x71 W21x93
15 S8x18.4 S8x18.4 S10x25.4 S12x40.8 S15x50 W21x83 W18x106
20 S8x18.4 S10x25.4 S12x31.8 S15x42.9
S15x42.9
C8x11.5
W21x93 W18x119
25 S10x25.4 S10x25.4
S12x31.8
C8x11.5
S15x42.9
C8x11.5
S15x42.9
C10x15.3
W24x103
W24x103
C12x20.7
30 S10x25.4 S12x31.8 S15x42.9
S15x42.9
C10x15.3
W16x77 W24x103 W27x129
35 S12x31.8 S15x42.9
S15x42.9
C8x11.5
W16x67 W21x83 W27x114 W30x148
40 S15x42.9
S15x42.9
C8x11.5
W18x60 W18x71 W21x83
W27x114
C12x20.7
W27x129
C15x33.9
45
S15x42.9
C8x11.5
W16x57 W18x71 W18x76 W24x94
W27x114
C15x33.9
W30x148
C15x33.9
50 W16x40 W18x60 W18x76 W21x83 W27x102
W30x124
C15x33.9
W30x148
C15x33.9
55 W16x57 W16x67 W21x83 W24x94 W27x114
W30x132
C15x33.9
W30x148
C15x33.9
60 W16x67 W18x76 W21x93 W27x114
W30x116
C15x33.9
W33x141
C15x33.9
W33x169
C15x33.9
22