Harrington Hoists and Cranes MR Trolley - (MR2) - Manual (Page 42)

Table 5-4 Track Wheel Wear Dimensions
1 to 5 Ton: 8 to 20 Ton:
Note: Track wheels are for flat and tapered flanges.
Capacity
(Ton)
“d” Dimension
inch (mm)
“D” Dimension
inch (mm)
Standard Discard Standard Discard
1 3.60 (91.5) 3.44 (87.5) 3.74 (95) 3.58 (91)
2 4.17 (106) 3.98 (101) 4.33 (110) 4.13 (105)
3 4.76 (121) 4.49 (114) 4.92 (125) 4.65 (118)
5 5.31 (135) 5.00 (127) 5.51 (140) 5.20 (132)
8 to 20 6.34 (166) 6.14 (156) 6.89 (175) 6.50 (165)
Table 5-5 Side Roller Wear Dimensions
R
Guide Roller Bracket
DIA.
Guide Roller
Trolley Side Plate
Capacity
(Ton)
“R” Dimension
inch (mm)
Standard Discard
1 1.50 (38) 1.46 (37)
2 and 3 1.69 (43) 1.65 (42)
5 to 20 2.17 (55) 2.13 (54)
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