15
BRAKE DRUM NUMERICAL SECTION
Drum
Number
Weight Type Mount
Backface
Thickness
Brake
Surface
Diameter
Overall
Depth
Brake
Surface
Flat
Pilot
Diameter
Bolt
Circle
Diameter
Bolt Holes
Special
Information
No. Size
66812F
160
K O 0.50
16.50 13.38 10.89
8.53
11.25 10 0.81
Notched
66814B 132
K O 0.50
16.50 12.39 9.63
8.78
11.25 10 1.00
66814F
132
K O 0.50
16.50 12.39 9.63
8.78
11.25 10 1.00
66815F
133
K O 0.50
16.50 12.39 9.63
8.53
11.25 10 0.81
66816F
136
K O 0.50
16.50 12.39 9.63
9.00
10.83
8 1.00
66817F
130
K O 0.56
16.50 12.28 9.52
9.44
11.25 10 0.84
66822F
158
K O 0.50
16.50 13.38 10.89
9.00
11.25 10 1.31
Notched
66826B 116
K O 0.50
16.50 10.19 7.38
8.78
11.25 10 1.00 Oil Groove
66826F
OBSOLETE - Use 66826B
66827B 130
K O 1.00
16.50 11.46 8.86
8.78
11.25 10 1.00 Special Back-
plate Thickness
w/Oil Groove
66830B
81
K O 0.50
15.00
8.79 6.56
9.00
10.83
8 1.00
66834F
129
K O 0.50
16.50 11.99 9.23
8.78
11.25 10 1.00
66843B 121
K O 0.50
16.50 10.62 7.62
8.78
11.25 10 1.00 Oil Groove
66850B
98
K O 0.50
16.55 10.00 7.50
8.78
11.25 10 1.00
66852B 115
K O 0.50
16.50 10.25 7.38
8.53
11.25 10 0.81
66852F
115
K O 0.50
16.50 10.25 7.38
8.53
11.25 10 0.81
66853B 119
K O 0.50
16.50 10.62 7.62
8.53
11.25 10 0.81
66854B 120
K O 0.56
16.50 11.46 9.12
8.78
11.25 10 1.00 Oil Groove.
*See footer.
66854F
121
K O 0.56
16.50 11.46 9.12
8.78
11.25 10 1.00 *See footer.
66855B 121
K O 0.56
16.50 11.46 9.08
8.78
11.25 10 1.00 *See footer.
66857F
106
K O 0.50
16.50 10.25 7.25
9.38
11.25 10 0.81
66862B 108
K O 0.50
16.50 10.25 7.44
8.53
11.25 10 1.31
66862F
108
K O 0.50
16.50 10.25 7.44
8.53
11.25 10 1.31
66864B20 111
K O 0.50
16.50 10.54 7.54
8.78
11.25 10 1.00 *See footer.
Use 66884B for
heavy duty
applications.
66864F20 112
K O 0.50
16.50 10.54 7.54
8.78
11.25 10 1.00 *See footer.
Use 66884F for
heavy duty
applications.
66865B 108
K O 0.50
16.50 10.31 7.50
9.00
11.25 10 0.81
66866B 171
K O 0.50
16.50 13.38 10.54
8.78
11.25 10 1.00
66867B 106
K O 0.50
16.50 10.35 7.54
8.78
11.25 10 1.00
Notched
66871B 169
K O 0.50
16.50 13.19 10.50
8.78
11.25 10 1.00
66871F
OBSOLETE - Use 66871B
66873B 108
K O 0.50
16.50 10.30 7.30
8.78
11.25 10 1.00
66873F
110
K O 0.50
16.50 10.30 7.30
8.78
11.25 10 1.00 *See footer.
66874B
OBSOLETE - Use 66864B
66875B 110
K O 0.50
16.50 10.62 7.81
9.00
10.83
8 1.00
66875F
111
K O 0.50
16.50 10.62 7.81
9.00
10.83
8 1.00 *See footer.
66878B 104
K O 0.50
16.50 10.25 7.38
9.00
10.83
8 1.00
Mount I=Inboard, O=Outboard
See Page 4 for Obsolete with No Replacement Brake Drums.
*Available for purchase through the pallet program. See Page 6 for pallet part numbers.
**Will become obsolete when current inventory is depleted. Call for availability - if purchased, parts are non-returnable.




