The following are parts diagrams for OC4, OC12,T16, M24 comtrolled differentials

The T16 (Bombardier ) is a shop manual

Bombardier                 Thiokol               Lmc             Go-tract               Nodwell            Hico            Tucker         Soft track    Gyro Track   Powertrax

B-8                                 1401                                         GT-200                 FN10             HT05           1500                                                 

B-15                               1404                                         GT-300                 FN15             HT08

B-20                               1450                                         GT-220                 FN20

Bombi                            1500                                         GT-800                 FN60

BR100                           601                                          GT-1000                FN75

BR100 plus                   1200A                                     GT-1200                FN110

BR60 plus                     1200B                                     GT-1600                FN160

BR 110                          1200C                                     GT-2000                FN240

BR 160                           1201                                       GT-3000                          

BR 180                           1202

BR 275                           1800

BR 400                           2100

BR 2000                         3700

SW48

SW48FA/DA

SW48HY

SW54

SW64

J5

Muskeg Tractor

Muskeg Carrier

SV200

SV250/250S

SV252

SV300

SV301

SV302