Cast Drums by Meritor
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Brake Size
Meritor Part No.
Pilot Dia.
Bolt Circle
All
12x3
14x2.5
15x4
15x5
15x6
15x7
16.5x5
16.5x6
16.5x7
18x7
12.125x3.5
12.25x5.5
12.25x7.5
12.25x8
12.50x7.5
12x3
13x2.5
13x3.5
14x2.5
15x3
15x3.5
15x4
15x4/5
15x5
15x5/6
15x6
15x7
15x8.625
16.25x3.5
16.5x??
16.5x10
16.5x4
16.5x4.5
16.5x5
16.5x6
16.5x7
16.5x8
16.5x8.5
16.5x8.625
16x6
16x7
17.25x3.25
18x7
20.25x6.5
All
012460
012480
012488
012582
012737
012743
012884
120007
120017
120060
120062
120070
120100
120127
120134
120140
120142
120149
120155
120204
120271
120280
120299
120325
120328
120330
120376
120382
120436
120439
120440
120441
120442
120459
120490
120494
120507
120516
120517
120519
120526
120531
120537
120553
120556
120566
120574
120582
120586
120594
120595
120660
120661
120666
120693
120704
120705
120708
120710
120717
120734
120743
120745
120747
120754
120764
120822
120853
120855
120877
120882
120933
120936
120958
120981
120988
122006
122009
122011
122017
122024
122027
122032
122036
122038
122039
122045
122069
122078
122085
122102
122103
122104
122108
122120
122126
122155
122158
122169
122180
122194
122196
122199
122200
122221
122222
122231
122239
122242
122244
122266
122284
122290
122296
122314
122328
122329
122365
122376
122453
122454
122455
122460
122461
122484
122488
122490
122500
122505
122506
122513
122516
122518
122520
122529
122531
122550
122554
122556
122561
122562
122575
122576
122580
122587
122591
122597
122600
122602
122603
122607
122610
122643
122649
122653
122667
122668
122683
122686
122730
122735
122736
122806
122810
122819
122822
122854
122921
122924
122925
122947
122948
122954
122956
122963
122964
122966
122968
122970
122971
122978
122990
123020
123021
123022
123024
123025
123044
123058
123166
123200
123203
123207
123219
123241
123254
123276
123279
123280
123297
123302
123310
123331
123332
123340
123345
123348
123358
123360
123365
123366
123370
123375
123382
123383
123389
123396
123397
123398
123399
123400
123406
123408
123409
123420
123421
123427
123428
123430
123431
123441
123444
123445
123446
123448
123451
123453
123462
123463
123465
123466
123467
123470
123471
123482
123483
123488
123492
123493
123496
123500
123501
123502
123503
123504
123517
123520
123538
123540
123548
123553
123554
123555
123556
123560
123561
123569
123570
123612
123613
123614
123650
123651
123652
123654
123655
123657
123658
123659
123660
123662
123663
123664
123666
123668
123672
123673
123674
123675
123678
123681
123682
123689
123690
123697
123698
123704
All
1.998/11.001
10.000/10.002
10.001/10.004
10.002
10.003
10.501/10.504
10.502
10.998/11.001
10/10.003
11.000
11.000/11.003
11.001/11.004
11.056/11.06
11.056/11.060
11.064/11.067
11.247/11.250
11.249/11.253
11.250
11.250/11.253
11.251
11.251/11.254
11.251/11.255
11.252
11.375/11.379
11/11.002
11/11.003
13.500
13.624/13.627
14.250/14.254
4.420
4.595/4.598
4.6000/4.6015
4.700/4.704
4.7505/4.7545
4.998/5.003
5.1875/5.1915
5.329/5.332
5.331
5.405/5.408
6.251/6.254
6.252/6.255
6.443/6.446
6.444/6.447
6.751/6.753
7.000
7.000/7.003
7.126/7.129
7.251/7.254
8.358/8.361
8.5/8.503
8.500/8.503
8.531/8.534
8.533
8.653/8.656
8.658/8.661
8.660
8.700/8.703
8.751/8.754
8.779/8.782
8.779/8.783
8.780/8.783
8.9/8.99
8.990/8.993
8.991
8.991/8.994
8.996/8.999
8.997/9.000
9.001/9.004
9.001/9.005
9.002/9.005
9.187/9.190
9.251/9.254
9.252
9.436/9.440
9.438
9.438/ 9.441
9.438/9.441
9.440
9.449/9.502
9.499/9.502
9.500
9.750
9.750/9.753
9.753
9.994/9.996
All
10.000
10.500
10.827
10.830
11.000
11.220
11.250
12.500
12.750
13.189
13.190
15.000
16.000
6.000
6.500
8.000
8.250
8.750
Bolt Hole #
Bolt Hole Size
All
5/6
10
11
4/8
5
5/5
5/6
6
6/5
6/6
7
8
9
All
.531/.656
.656/.781
.811/.625
0.513
0.531
0.531/0.656
0.617
0.650
0.656
0.656/0.656
0.656/0.781
0.657
0.690
0.703
0.719
0.775
0.781
0.781/0.656
0.781/0.781
0.796
0.812
0.813
0.843
0.844
0.846
0.866
0.875
0.921
0.937
0.940
1.000
1.024
1.044
1.060
1.106
1.250
1.265
1.281
1.310