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I – Inboard Mount
O – Outboard Mount
X – Balanced
(tp) – Patented TruPilot Feature
(a) – Unequally spaced exciter ring mounting
(b) – Equally spaced exciter ring mounting
(c) – Peripheral mount pilot
(d) – Furnished with set screw holes
(e) – Notched
(f) – For ball seat or hub piloted applications
(o) – OEM captive part number
Active Part Numbers
In Order by Part Number
Active Part Numbers
In Order by Size
Obsolete Part Numbers
In Order by Part Number
Gunite
No.
Drum
Weight
Drum
Mount
Drum
Type
Wheel
Type
Brake Size
Overall
Depth
Width
of Brake
Surface
Pilot
Dia.
Bolt
Circle
Dia.
Bolt Holes
Special Information
No.
Size
3638AX
(o)
68
O BCG Disc
15.00x4.00 7.84
4.44
8.78 11.25
10
1.25
3638X
(o)
68
O BCG Disc
15.00x4.00 7.84
4.44
8.66 11.25
10
1.25
3639 (o)
84
O BDG Disc
16.50x5.00 8.58 5.48 8.66 11.25
10
1.25
3639A
(o)
84
O BDG Disc
16.50x5.00 8.58 5.48 8.78 11.25
10
1.25
3639AX
(o)
84
O BDG Disc
16.50x5.00 8.58 5.48 8.78 11.25
10
1.25
3639X
(o)
84
O BDG Disc
16.50x5.00 8.58 5.48 8.66 11.25
10
1.25
3642
87
O BDA Disc
16.50x7.00 10.30 7.45 8.78 11.25
10
1.00
3642X 87
O BDA Disc
16.50x7.00 10.30 7.45 8.78 11.25
10
1.00
3645
68
O BCG Disc
15.00x4.00 8.47
4.66 8.99 10.82
8
1.00
3645X 68
O BCG Disc
15.00x4.00 8.47
4.66 8.99 10.82
8
1.00
3646
77
O BAG Disc
15.00x4.00 8.53 7.83 11.25 13.18
10
1.00
3646X 77
O BAG Disc
15.00x4.00 8.53 7.83 11.25 13.18
10
1.00
3647 (o)
114
O BEA Disc
16.50x7.00 11.18 7.44
8.78 11.25
10
1.00
3649
43
O BAG Disc
325mmx120mm 6.20 5.16 10.03 11.02
6
0.51
With (4) M12x1.25-6H
holes.
3649X 43
O BAG Disc
325mmx120mm 6.20 5.16 10.03 11.02
6
0.51
With (4) M12x1.25-6H
holes.
3655
36
O BAG Disc
325mmx100mm 5.31
4.25 10.03 11.02
6
0.51
With (4) M12x1.25-6H
holes.
3655X 36
O BAG Disc
325mmx100mm 5.31
4.25 10.03 11.02
6
0.51
With (4) M12x1.25-6H
holes.
3659 (o)
110
O ADA Disc
15.00x6.00 9.81
6.50 8.78 11.25
10
1.25
3659X
(o)
110
O ADA Disc
15.00x6.00 9.81
6.50 8.78 11.25
10
1.25
3660 (o)
121
O ADA Disc
16.50x6.00 9.78 6.31
8.78 11.25
10
1.25
3660X
(o)
121
O ADA Disc
16.50x6.00 9.78 6.31
8.78 11.25
10
1.25
3661 (o)
95
O ADA Disc
15.00x5.00 9.16 5.56 8.78 11.25
10
1.25
3661X
(o)
95
O ADA Disc
15.00x5.00 9.16 5.56 8.78 11.25
10
1.25
3663 (o)
113
O ADA Disc
16.50x7.00 10.54 7.46 8.78 11.25
10
1.25
3663X
(o)
113
O ADA Disc
16.50x7.00 10.54 7.46 8.78 11.25
10
1.25
3665 104
O BDA Disc
16.50x7.00 10.38 7.50 8.99 10.82
8
1.00
3665X 104
O BDA Disc
16.50x7.00 10.38 7.50 8.99 10.82
8
1.00
3666 95
O BEF
Disc
15.00x5.00 9.16 5.56 9.00 11.25
10
1.25
3666X 95
O BEF
Disc
15.00x5.00 9.16 5.56 9.00 11.25
10
1.25
3667
75
O BEG Disc
15.00x4.00 8.74
4.73 9.00 11.25
10
0.81
3667A 75
O BEG Disc
15.00x4.00 8.74
4.73 8.78 11.25
10
0.81
3667AX 75
O BEG Disc
15.00x4.00 8.74
4.73 8.78 11.25
10
0.81
3667X 75
O BEG Disc
15.00x4.00 8.74
4.73 9.00 11.25
10
0.81
3668 (o)
112
O BBA Disc
16.50x7.00 10.54 7.60 8.78 11.25
10
1.00
3668X
(o)
112
O BBA Disc
16.50x7.00 10.54 7.60 8.78 11.25
10
1.00
3669 53
I
AAG Spoke
15.00x4.00 5.36 4.67
9.25 11.25
5
0.78
3672
79
O BAB Disc
15.00x5.00 6.20 5.28 8.65 11.25
10
0.93
3672X 79
O BAB Disc
15.00x5.00 6.20 5.28 8.65 11.25
10
0.93
3674
68
O BCG Disc
15.00x4.00 7.84
4.44
8.65 11.25
10
1.25
3674A 68
O BCG Disc
15.00x4.00 7.84
4.44
8.78 11.25
10
1.25
3674AX 68
O BCG Disc
15.00x4.00 7.84
4.44
8.78 11.25
10
1.25
3674X 68
O BCG Disc
15.00x4.00 7.84
4.44
8.65 11.25
10
1.25
3675
89
O BCA Disc
15.00x4.00 8.91
4.44
8.78 11.25
10
1.25
3675X 89
O BCA Disc
15.00x4.00 8.91
4.44
8.78 11.25
10
1.25