B RAKES REAR AXLE AND DRIVE E s CA cs A A C O 1 B BA III I 9L l l 7 AA 6 1 A A 1111 B C BA Iii lx I IE I IP l I I 1 AA Ig A 1 1 sw I I I PROPELLER SHAFTS Support Type Dia O L Splines Unit Shaft 55 59 Ser 4 w 130 W B exc 3 Spd H D 55 Ser 6A 2nd Ser exc 2 Spd H D 56 Ser GA exc 2 Spd H D H T 1 E 2 A 36 A 16 3990291 3964496 1 55 56 Ser 6C w H D 2 Spd 2nd Ser 55 59 Ser 5C w 4 Spd 56 57 Ser 7C 8D w 4 Spd 57 59 Ser 6C 58 59 Ser 7C 58 59 Ser 8D w 4 Spd exc TDM 64 Ser 60 TDM 193 W B w 4 Spd 292 1st design exc H D 67 68 Ser 50 60 w 167 173 W B Muncie 4 Spd 327 D 3 32 A 10 3990291 3717097 1 55 59 Ser 5B w 4 Spd 60 66 Ser 60 157 W B w 4 Spd 6 cyl exc H D 61 65 Ser 50 157 W B w 15 0001 1 lb axle 63 SBC w 225 A W B 2nd design 65 Ser 60 4 cyc Diesel w 157 W B New Process 4 Spd 5 Spd E 3 54 IA 16 3990291 3717094 1 55 59 Ser 40 2 Spd w 154 156 2 161 W B 55 56 Ser 6B 4 Spd w 15 000 lb axle GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM REV 5 79 5 113 5 544 5 544