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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
3828
124
I
AFG Spoke
18.00x7.00 9.25 8.00 11.25 12.75
6
0.65
3828X 124
I
AFG Spoke
18.00x7.00 9.25 8.00 11.25 12.75
6
0.65
3829 203
I
ABD Spoke
20.00x8.00 11.25 9.00 9.50 11.25
6
0.78
Equivalent to Erie
2759-3.
3829X 203
I
ABD Spoke
20.00x8.00 11.25 9.00 9.50 11.25
6
0.78
Equivalent to Erie
2759-3-Balanced.
3830
62
I
AFA Spoke
12.25x5.50 7.56 6.50 7.00 8.25
6
0.65
Equivalent to Erie
2700-2.
3830X 62
I
AFA Spoke
12.25x5.50 7.56 6.50 7.00 8.25
6
0.65
Equivalent to Erie
2700-2-Balanced.
3831
74
I
ABA Spoke
12.25x7.50 8.87
7.87
7.00 8.25
6
0.65
3831X
74
I
ABA Spoke
12.25x7.50 8.87
7.87
7.00 8.25
6
0.65
3832
92
I
AFD Spoke
12.25x7.50 9.06 8.08 7.00 8.25
6
0.65 Equivalent to Erie 2700-1.
3832X 92
I
AFD Spoke
12.25x7.50 9.06 8.08 7.00 8.25
6
0.65
Equivalent to Erie
2700-1-Balanced.
3833
41
I
AAD Spoke
12.25x5.00
6.31
5.62 7.00 8.25
6
0.65 Equivalent to Erie 3833.
3833A 43
I
AAA Spoke
12.25x5.00
6.31
5.62 7.00 8.25
6
0.65
Equivalent to Erie
2703-4.
3833AX 43
I
AAA Spoke
12.25x5.00
6.31
5.62 7.00 8.25
6
0.65
Equivalent to Erie
2703-4-Balanced.
3833X 41
I
AAD Spoke
12.25x5.00
6.31
5.62 7.00 8.25
6
0.65
Equivalent to Erie
3833-Balanced.
3834
106
I
AAB Spoke
16.50x7.00 8.24
7.44
9.44
11.00
6
0.65
3834
106
I
AAB Spoke
16.50x7.00 8.24
7.44
9.44
11.00
5
0.78
3834X 106
I
AAB Spoke
16.50x7.00 8.24
7.44
9.44
11.00
6
0.65
3834X 106
I
AAB Spoke
16.50x7.00 8.24
7.44
9.44
11.00
5
0.78
3835
115
I
ABA Spoke
16.50x7.00 8.75 7.50 9.50 11.25
5
0.78
3835
115
I
ABA Spoke
16.50x7.00 8.75 7.50 9.50 11.25
6
0.65
3835A 115
I
ABA Spoke
16.50x7.00 8.75 7.50 9.50 11.25
10
0.81
Equivalent to Erie 2740-1.
3835AX 115
I
ABA Spoke
16.50x7.00 8.75 7.50 9.50 11.25
10
0.81
Equivalent to Erie
2740-1-Balanced.
3835X 115
I
ABA Spoke
16.50x7.00 8.75 7.50 9.50 11.25
5
0.78
3836
78
I
AAB Spoke
12.25x7.50
8.81
8.06 8.50 10.00
9
0.65
3836X 78
I
AAB Spoke
12.25x7.50
8.81
8.06 8.50 10.00
9
0.65
3837
59
I
ABA Spoke
12.25x5.50 7.56 6.06 7.00 8.25
6
0.65 Equivalent to Erie 2755.
3837X 59
I
ABA Spoke
12.25x5.50 7.56 6.06 7.00 8.25
6
0.65
Equivalent to Erie
2755-Balanced.
3838
116
I
ABA Disc
16.50x7.00 9.50 7.62
9.44
11.25
10
0.81
Equivalent to Erie 2760.
3838X 116
I
ABA Disc
16.50x7.00 9.50 7.62
9.44
11.25
10
0.81
Equivalent to Erie
2760-Balanced.
3839 96
I
ABA Spoke
16.50x7.00 8.44
7.38 11.00 12.50 5/6
0.65
Mack use 3143X for 5
hole application.
3839X 96
I
ABA Spoke
16.50x7.00 8.44
7.38 11.00 12.50 5/6
0.65
Mack use 3143X for 5
hole application.
3840 109
I
AAA Spoke
16.50x7.00 8.00 7.31
11.00 12.75
5/6
0.65 Equivalent to Erie 2765.
3840X 109
I
AAA Spoke
16.50x7.00 8.00 7.31
11.00 12.75
5/6
0.65
Equivalent to Erie
2765-Balanced.
3841
128
I
AAA Spoke
18.00x7.00 8.25 7.60 11.00 12.75
6
0.65 Equivalent to Erie 2766
Serviced by 3197X.
3841X 128
I
AAA Spoke
18.00x7.00 8.25 7.60 11.00 12.75
6
0.65
Equivalent to Erie
2766-Balanced
Serviced by 3197X.
3842
114
O BBA Disc
15.00x6.00 8.65 6.70 9.44
11.25
10
1.31
Equivalent to Erie 2767.
3842X 114
O BBA Disc
15.00x6.00 8.65 6.70 9.44
11.25
10
1.31
Equivalent to Erie
2767-Balanced.
3844
105
O BDA Disc
16.50x7.00 10.59 7.75 9.00 11.25
10
0.81
Equivalent to Erie 2769.
3844X 105
O BDA Disc
16.50x7.00 10.59 7.75 9.00 11.25
10
0.81
Equivalent to Erie
2769-Balanced.
3845
104
I
ABA Spoke
16.50x7.00 8.45 7.40 11.25 12.75
5/6
0.78 Equivalent to Erie 2770.