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6
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
Brake Size
Overall
Depth
Width
of Brake
Surface
Pilot
Dia.
Bolt
Circle
Dia.
Bolt Holes
Wheel
Type
Drum
Mount
Drum
Type
Drum
Weight
Gunite
No.
Special Information
No.
Size
12.25x7.50 8.88 8.00 8.50 10.00
6
0.65
Spoke
I
AAF
75
3174
6 equally spaced
bolt holes.
12.25x7.50 8.88 8.00 8.50 10.00
6
0.65
Spoke
I
AAF
75
3174 6 paired bolt holes.
12.25x7.50 9.10 8.00 7.00 8.25
6
0.65
Disc
I
ABD 95 3467B
12.25x7.50 10.47
8.24
7.12
8.75
10
0.81
Disc
I
ADA 84
3557
For 15 inch disc
wheel hubs.
12.25x7.50 10.47
8.24
7.12
8.75
6
0.81
Disc
I
ADA 84
3557A For 15 inch disc
wheel hubs.
12.25x7.50 11.22 10.00 9.00 10.82
8
1.00
Disc
O BAA 83
3887
15.00x4.00 7.84
4.40 9.44 11.25
10
0.78
Disc
I
AEA 82
3072X
(o)
15.00x4.00 8.91
4.40 9.00 11.25
10
1.25
Disc
O BEA 87
3158X
15.00x4.00 9.18
4.41
8.53 11.25
10
1.25
Disc
O BEA 80 3574X
15.00x4.00 8.65 4.40 8.78 11.25
10
1.00
Disc
O BEH 79 3596BX
15.00x4.00 8.65 4.40 8.78 11.25
10
1.25
Disc
O BEH 79 3596X
15.00x4.00 5.36 4.67
9.25 11.25
5
0.78
Spoke
I
AAG 53 3669X
15.00x4.00 8.79 4.78
8.78
and
8.66
11.25
10
1.25
Disc
O BEA 79 3721AX
(tp)
TruPilot brake drum.
15.00x4.00 8.79 4.78 9.00 10.82
8
1.00
Disc
O BEA 79 3721BX
15.00x4.00 8.79 4.78 8.78 11.25
10
1.00
Disc
O BEA 79
3721X
15.00x4.00 9.18 4.66 9.00 10.82
8
1.00
Disc
O BEA 79
3741X
15.00x4.00 9.52 5.94 8.78 11.25
10
1.00
Disc
O BDC
86 3754X
15.00x4.00 5.85 4.61
9.25 11.25
5/6
0.78
Spoke
I
ABG 62 3760BX
15.00x4.00 9.00 5.32 8.78 11.25
10
1.00
Disc
O BEA 80
3771X
15.00x4.00 9.18 4.66
8.78
and
8.66
11.25
10
1.25
Disc
O BEA 79 3800X
(tp)
TruPilot brake drum.
Version of 3726X.
15.00x4.00 8.60 4.78 8.78 11.25
10
1.25
Disc
O BEG 66 9000X
Gunite GOLD
Optimum
Lightweight 3721AX.
15.00x4.00 8.99 4.66 8.78 11.25
10
1.25
Disc
O BEG 69 9001X
Gunite GOLD
Optimum
Lightweight 3800X.
15.00x4.00 8.99 4.66 9.00 10.82
8
1.00
Disc
O BEA 70 9016X
Gunite GOLD
Optimum
Lightweight 3741X.
15.00x4.00 8.40 4.58 8.78 11.25
10
1.25
Disc
O BEA 64
9035X
Gunite GOLD
Optimum
Lightweight 3596X.
15.00x4.00 8.79 4.78 8.78 11.25
10
1.25
Disc
O BEA 79 G1201X
Gunite Value Plus
version of the
3721AX. No TruPilot
feature.
15.00x4.00 9.18 4.66 8.78 11.25
10
1.25
Disc
O BEA 79 G1213X
Gunite Value Plus
version of the
3800X. No TruPilot
feature.
15.00x5.00 10.28 7.14
9.00 10.82
8
1.00
Disc
O BDC
95 3753AX Low profile brake
drum.
15.00x5.00 10.28 7.14
8.78
and
8.66
11.25
10
1.00
Disc
O BDC
95 3753X
(tp)
TruPilot brake drum.
Low profile brake
drum.
15.00x5.00 9.52 5.94 8.78 11.25
10
1.00
Disc
O BDC
86 3754X
15.00x5.00 9.33 5.42 8.78 11.25
10
1.25
Disc
O BEA 84
3774X
15.00x6.00 7.43 6.40 11.25 12.75
6
0.78
Spoke
I
AAA
81
3046CX
15.00x6.00 10.28 7.14
9.00 10.82
8
1.00
Disc
O BDC
95 3753AX Low profile brake
drum.
15.00x6.00 10.28 7.14
8.78
and
8.66
11.25
10
1.00
Disc
O BDC
95 3753X
(tp)
TruPilot brake drum.
Low profile brake
drum.
15.00x7.00 9.98 7.36 8.78 11.25
10
1.00
Disc
O BBA 98 3097AX
15.00x7.00 10.47
7.59 8.78 11.25
10
1.00
Disc
O BDA 106 3219A
15.00x7.00 8.52
7.44 10.50 12.75
5/6
0.78
Spoke
I
AAA
81
3485B