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46
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
3845A 104
I
ABA Spoke
16.50x7.00 8.45 7.40 11.25 12.75
5/6
0.78 Equivalent to Erie 2770E.
3845AX 104
I
ABA Spoke
16.50x7.00 8.45 7.40 11.25 12.75
5/6
0.78
Equivalent to Erie
2770E-Balanced
Serviced by 3295AX.
3845X 104
I
ABA Spoke
16.50x7.00 8.45 7.40 11.25 12.75
5/6
0.78
Equivalent To Erie
2770-Balanced
Serviced by 3295AX.
3846 114
O BEA Disc
16.50x7.00 10.59 7.75 9.00 11.25
10
0.81
Equivalent to Erie 2771.
3846A 114
O BEA Disc
16.50x7.00 10.59 7.75 9.00 10.83
8
1.03 Equivalent to Erie 2771-1.
3846AX 114
O BEA Disc
16.50x7.00 10.59 7.75 9.00 10.83
8
1.03
Equivalent to Erie
2771-1-Balanced.
3846X 114
O BEA Disc
16.50x7.00 10.59 7.75 9.00 11.25
10
0.81
Equivalent to Erie
2771-Balanced.
3847
114
O BDA Disc
16.50x7.00 10.31
7.63 9.00 11.25
10
0.87 Equivalent to Erie 2771-1
3847X 114
O BDA Disc
16.50x7.00 10.31
7.63 9.00 11.25
10
0.87
Equivalent to Erie
2771-1-Balanced.
3848
105
I
CAA Spoke
16.50x7.00 8.06 7.44 14.25 12.75
5
0.65
3848
105
I
CAA Spoke
16.50x7.00 8.06 7.44 14.25 12.75
6
0.65
3848A 105
I
CAA Spoke
16.50x7.00 8.24
7.44 14.25 12.75
5
0.78
Equivalent to Erie
2773-3.
3848AX 105
I
CAA Spoke
16.50x7.00 8.24
7.44 14.25 12.75
5
0.78
Equivalent to Erie
2773-3-Balanced.
3848X 105
I
CAA Spoke
16.50x7.00 8.06 7.44 14.25 12.75
5/6
0.65
3849 127
I
AFA Spoke
16.50x8.62
9.88 9.07
9.44
11.00
5
0.78 Equivalent to Erie 2774.
3849 127
I
AFA Spoke
16.50x8.62
9.88 9.07
9.44
11.00
6
0.65 Equivalent to Erie 2774.
3849X 127
I
AFA Spoke
16.50x8.62
9.88 9.07
9.44
11.00
6
0.65
Equivalent to Erie
2774-Balanced.
3849X 127
I
AFA Spoke
16.50x8.62
9.88 9.07
9.44
11.00
5
0.78
Equivalent to Erie
2774-Balanced.
3850 107
I
ABA Spoke
16.50x7.00 8.65 7.65 10.50 12.75
5/6
0.78 Equivalent to Erie 2775.
3850X 107
I
ABA Spoke
16.50x7.00 8.65 7.65 10.50 12.75
5/6
0.78
Equivalent to Erie
2775-Balanced.
3851
212
O BBI
Disc
15.14x10.00 12.38 10.58 9.44
11.25
10
1.31
Equivalent to Erie 2777.
3851R 212
O BBI
Disc
15.14x10.00 12.38 10.58 9.44
11.25
10
1.31
Rebore Indicates .040
Undersize Drum.
3851RX 212
O BBI
Disc
15.14x10.00 12.38 10.58 9.44
11.25
10
1.31
Rebore Indicates .040
Undersize Drum.
3851X 212
O BBI
Disc
15.14x10.00 12.38 10.58 9.44
11.25
10
1.31
Equivalent to Erie 2777 -
Balanced.
3852
156
O BBI
Disc
15.14x6.00 8.65 6.70 9.44
11.25
10
1.31
Equivalent to Erie 2778.
3852R 156
O BBI
Disc
15.14x6.00 8.65 6.70 9.44
11.25
10
1.31
Rebore Indicates .040
Undersize Drum.
3852RX 156
O BBI
Disc
15.14x6.00 8.65 6.70 9.44
11.25
10
1.31
Rebore Indicates .040
Undersize Drum.
3852X 156
O BBI
Disc
15.14x6.00 8.65 6.70 9.44
11.25
10
1.31
Equivalent to Erie 2778 -
Balanced.
3853A 117
O BDA Disc
16.50x7.00 10.69 7.75 8.78 11.25
10
1.00
Replaces Erie 2764A.
3853AX 117
O BDA Disc
16.50x7.00 10.69 7.75 8.78 11.25
10
1.00
3853B 117
O BDA Disc
16.50x7.00 10.69 7.75 9.44
11.25
10
0.81
3853BX 117
O BDA Disc
16.50x7.00 10.69 7.75 9.44
11.25
10
0.81
3853C 117
O BDA Disc
16.50x7.00 10.69 7.75 8.53 11.25
10
0.81
3853CX 117
O BDA Disc
16.50x7.00 10.69 7.75 8.53 11.25
10
0.81
3853D 117
O BDA Disc
16.50x7.00 10.60 7.74
8.78 11.25
10
1.00
3853DX 117
O BDA Disc
16.50x7.00 10.60 7.74
8.78 11.25
10
1.00
3854
156
O BBG Disc
14.50x10.00 12.82 10.75 9.44
11.25
10
1.25
Equivalent to Webb
64115.
3854A 156
O BBG Disc
14.50x10.00 12.82 10.75 9.44
11.25
10
1.25
With bell-end
speedometer drilling.