HEAVY DUTY BRAKE DRUMS
Brake
Part
No.
Drum Dia.
A
Brake
Width (B)
Overall Depth
(C) (Height)
Bolt
Holes (D)
Bolt Hole
Size (E)
Bolt
Circle (F)
Pilot
Diameter (G)
Drum
Wgt
Drum
Mount
12.25 x 7.50
12.25 x 7.50
12.25 x 7.50
HD24
HD22
HD27
12.25
12.25
12.25
7.81
8.00
10.00
9.06
9.07
11.22
6/6
6
8
0.66/0.53
0.66
1.00
8.25
10.00
10.83
7.00
8.50
9.00
80.0#
80.0#
83.0#
Inboard
Inboard
Outboard
15.00 x 4.00
15.00 X 4.00
15.00 x 4.00
15.00 X 4.00
HD14M
HD6M
HD6MX
HD17M
15.00
15.00
15.00
15.00
4.72
4.72
4.72
4.50
8.86
8.86
8.86
9.04
10
10
10
10
1.00
1.28
1.28
1.28
11.25
11.25
11.25
11.25
8.78
8.78
8.78
8.78
80.0#
77.0#
76.0#
79.0#
Outboard
Outboard
Outboard
Outboard
15.00 x 8.625
HD29M
15.00
9.30
11.90
10
1.00
11.25
8.78
105.0#
Outboard
16.50 x 5.00
HD18M
16.50
5.95
9.04
10
1.28
11.25
8.78
97.0#
Outboard
16.50 X 6.00
16.50 X 6.00
HD19M
HD30M
16.50
16.50
6.50
6.50
9.75
9.75
10
10
1.31
1.00
11.25
11.25
8.78
8.78
124.0#
121.0#
Outboard
Outboard
16.50 x 7.00
16.50 x 7.00
16.50 x 7.00
16.50 x 7.00
16.50 x 7.00
16.50 x 7.00
16.50 x 7.00
16.50 x 7.00
16.50 x 7.00
16.50 x 7.00
16.50 x 7.00
16.50 x 7.00
16.50 x 7.00
16.50 x 7.00
16.50 X 7.00
16.50 x 7.00
16.50 x 7.00
16.50 x 7.00
16.50 x 7.00
HD4
HD5
HD8
HD13
HD10
HD15
HD9
HD7M
HD2
HD20
HD1
HD1HM
HD1SD
HD1M
HD1MX
HD28M
HD23
HD3
HD12
16.50
16.50
16.50
16.50
16.50
16.50
16.50
16.50
16.50
16.50
16.50
16.50
16.50
16.50
16.50
16.50
16.50
16.50
16.50
7.63
7.56
7.50
7.50
7.58
7.38
7.31
7.41
7.63
7.30
7.60
7.60
7.62
7.60
7.60
7.44
7.81
7.75
7.52
8.41
9.50
8.74
8.75
8.74
8.44
7.93
8.46
10.59
10.30
10.62
10.62
10.62
10.62
10.62
11.18
10.62
10.59
10.74
5/6
10
10
5/6
5/6
5/6
6
5/6
10
10
10
10
10
10
10
10
8
10
10
0.78 / 0.65
0.84
0.81
0.81 / 0.65
0.78
0.65
0.65
0.78
0.81
1.00
1.00
1.00
1.00
1.00
1.00
1.00
0.97
0.81
0.84
11.00
11.25
11.25
11.25
12.75
12.50
12.75
12.75
11.25
11.25
11.25
11.25
11.25
11.25
11.25
11.25
10.83
11.25
11.25
9.44
9.44
9.50
9.50
10.50
11.00
11.00
11.25
8.53
8.78
8.78
8.78
8.78
8.78
8.78
8.78
9.00
9.00
9.44
108.0#
105.0#
113.0#
100.0#
107.0#
101.0#
107.0#
114.0#
115.0#
112.0#
112.0#
112.0#
118.8#
107.8#
106.8#
115.0#
114.0#
105.0#
114.0#
Inboard
Inboard
Inboard
Inboard
Inboard
Inboard
Inboard
Inboard
Outboard
Outboard
Outboard
Outboard
Outboard
Outboard
Outboard
BALANCED
Outboard
Outboard
Outboard
16.50 x 8.62
HD26M
16.50
9.12
11.46
10
1.00
11.25
8.78
120.0#
Outboard
18.00 x 7.00
HD11
18.00
7.50
8.24
6
0.64
12.75
11.00
148.0#
Inboard