Harrington Hoists and Cranes MCR Trolley - Manual (Page 34)

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Table 5-4 Track Wheel Wear Dimensions
Note: Track wheels are for flat and tapered flanges.
“d” Dimension
inch (mm)
“D” Dimension
inch (mm)
Trolley Code
Standard Discard Standard Discard
MCR1000 3.60 (91.5) 3.44 (87.5) 3.74 (95) 3.58 (91)
MCR3000 4.76 (121) 4.49 (114) 4.92 (125) 4.65 (118)
MCR6000 6.34 (166) 6.14 (156) 6.89 (175) 6.50 (165)
Table 5-5 Side Roller Wear Dimensions
“R” Dimension
inch (mm)
Trolley Code
Standard Discard
MCR1000 1.50 (38) 1.46 (37)
MCR3000 1.69 (43) 1.65 (42)
MCR6000 2.24 (57) 2.20 (56)