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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
3473X 75
O BDG Disc
16.06x4.50
7.74
5.12
9.06 10.82
8
0.81
Furnished with set screw
holes.
3474
153
O BBA Disc
16.50x10.00 13.12 10.36 9.44
11.25
10
1.25 Furnished with set screw
holes.
3474X 153
O BBA Disc
16.50x10.00 13.12 10.36 9.44
11.25
10
1.25 Furnished with set screw
holes.
3475A 168
O BBI
Disc
16.50x10.00 13.34 10.50 8.78 11.25
10
0.94
Notched.
3475AX 168
O BBI
Disc
16.50x10.00 13.34 10.50 8.78 11.25
10
0.94
Notched.
3475X 168
O BBI
Disc
16.50x10.00 13.34 10.50 8.54
11.25
10
0.81
3477
59
I
DAA Disc
15.00x4.00 3.78 4.44
6.00 7.25
10
0.59
3477X 59
I
DAA Disc
15.00x4.00 3.78 4.44
6.00 7.25
10
0.59
3478
57
I
ABG Spoke
15.00x4.00 5.85 4.38 9.25 11.25
6
0.78
3478A 57
I
ABG Spoke
15.00x4.00 5.85 4.38 9.25 11.25
5
0.78
3478AX 57
I
ABG Spoke
15.00x4.00 5.85 4.38 9.25 11.25
5
0.78
3478X 57
I
ABG Spoke
15.00x4.00 5.85 4.38 9.25 11.25
6
0.78
3480
77
O BEA Disc
15.00x4.00 8.91
4.40 9.00 11.25
10
1.25
3480X 77
O BEA Disc
15.00x4.00 8.91
4.40 9.00 11.25
10
1.25
3483
106
O BDA Disc
16.50x7.00 10.58 7.50 8.53 11.25
10
0.81
Use on ferrous hubs only.
3483X 106
O BDA Disc
16.50x7.00 10.58 7.50 8.53 11.25
10
0.81
Use on ferrous hubs only.
3484
53
I
ABA Spoke
15.00x3.50 5.40 4.00 9.18 11.25
5
0.65
3484X 53
I
ABA Spoke
15.00x3.50 5.40 4.00 9.18 11.25
5
0.65
3485
81
I
AAA Spoke
15.00x7.00 8.52
7.44 10.50 12.75
5
0.78
3485A 81
I
AAA Spoke
15.00x7.00 8.52
7.44 10.50 12.75
6
0.78
3485AX 81
I
AAA Spoke
15.00x7.00 8.52
7.44 10.50 12.75
6
0.78
3485BX 81
I
AAA Spoke
15.00x7.00 8.52
7.44 10.50 12.75
5/6
0.78
3485X 81
I
AAA Spoke
15.00x7.00 8.52
7.44 10.50 12.75
5
0.78
3486 105
I
CAA Spoke
16.50x7.00 8.03 7.44 14.25 12.75
6
0.65
3486X 105
I
CAA Spoke
16.50x7.00 8.03 7.44 14.25 12.75
6
0.65
3487
88
O BDA Disc
15.00x6.00 9.46 6.46 7.00 8.75
10
0.73
3487X 88
O BDA Disc
15.00x6.00 9.46 6.46 7.00 8.75
10
0.73
3488
216
I
AAD Spoke
20.25x8.00 10.88 8.12 13.62 16.00
8
0.87
3488X 216
I
AAD Spoke
20.25x8.00 10.88 8.12 13.62 16.00
8
0.87
3489 106
O BDA Disc
16.50x7.00 10.30 7.44
8.53 11.25
10
0.81
Furnished with set screw
holes.
3489X 106
O BDA Disc
16.50x7.00 10.30 7.44
8.53 11.25
10
0.81
Furnished with set screw
holes.
3490
111
O BDA Disc
16.50x7.00 10.44 7.56 8.65 11.25
10
0.81
Furnished with set screw
holes.
3490X 111
O BDA Disc
16.50x7.00 10.44 7.56 8.65 11.25
10
0.81
Furnished with set screw
holes.
3498AX
(o)
148
I
AAB Disc
18.00x7.00 8.24
7.50 11.00 12.75
7
0.64
3498X
(o)
148
I
AAB Disc
18.00x7.00 8.24
7.50 11.00 12.75
6
0.64
3506 85
O BEG Disc
15.00x4.00 8.79 4.40 9.00 10.82
8
1.00
3506X 85
O BEG Disc
15.00x4.00 8.79 4.40 9.00 10.82
8
1.00
3508
63
I
AEG Disc
15.00x3.50 7.57
4.06 9.50 11.25
10
0.81
3508X 63
I
AEG Disc
15.00x3.50 7.57
4.06 9.50 11.25
10
0.81
3510X
(o)
92
O BAA Disc
15.00x6.00 8.80 8.12 10.67
13.18
10
1.28
3512
125
O BDA Disc
15.00x6.00 9.81
6.50 9.00 11.25
10
1.25
3512X 125
O BDA Disc
15.00x6.00 9.81
6.50 9.00 11.25
10
1.25
3513
121
O BDA Disc
16.50x6.00 9.78 6.31
9.00 11.25
10
1.25
3513X 121
O BDA Disc
16.50x6.00 9.78 6.31
9.00 11.25
10
1.25
3514
103
I
CAG Spoke
15.00x7.00 8.34
7.56 14.25 12.75
5
0.65
3514X 103
I
CAG Spoke
15.00x7.00 8.34
7.56 14.25 12.75
5
0.65