66 Ser 60 w H D Brake Booster A O I LB 327 366 exc TDM P T f 66 Ser 60 TDM DIESEL ext Air Brake 66 Ser 80 exc DIESEL Air Brake secondary 1 O D Wagner FD 2399 3889711 1 44 Not required in this group See group 0 775 primary 3889710 1 51 4 655 SPRING M in Cylinder Piston Return 55 59 Ser 4 5 6 exc H D Brake Booster A O I I B 60 61 ALL exc TILT 62 66 ALL 5462908 1 65 55 56 Ser 5 w H D Brake Booster 55 59 Ser 6 w I I D Brake Booster S6 59 Ser 7 8 9 10 exc TDM 58 59 Ser 5 6 W A O I I B W retainer 3 free length 5455205 1 1 10 66 Ser 80 exc DIESEL Air Brake 66 Ser 60 TDM exc Air Brake 66 Ser 60 SBC w H D Brake Booster P T 66 Ser 60 SBC w 261 W B exc AirBrake P T 66 Ser 60 w A O H B H D Brake Booster exc SBC TDM Wagner FC 4630 2158825 1 63 66 Ser 60 w H D Brake Booster A O H B 327 366 exc TDM P T 66 Ser 60 TDM DIESEL exc Air Brake 66 Ser 80 exc DIESEL Air Brake Wagner FC 3572 3889720 1 43 Not required in this group See group 4 955 check valve 563735 15 4 656 PLATE RING Main Cylinder Stop 55 56 Ser S exc H D Brake Booster 55 59 Ser 4 6 exc H D Brake Booster I D x 1 O D 5300914 1 13 55 59 Ser 4 5 6 exc H D Brake Booster A O H B 66 Ser 60 TDM exc Air Brake 66 Ser 60 SBC w H D Brake Booster P T 66 Ser 60 SBC w 261 W B exc Air Brake P T 66 Ser 60 w A O H B H D Brake Booster exc SBC TDM 66 Ser 80 exc DIESEL Air Brake Wagner FC 55217 3889709 1 18 66 Ser 50 4 cyc DIESEL exc TILT 66 Ser 60 4 cyc DIESEL exc TDM Wagner FC 55213 2494705 I l 25 60 61 TILT RING lock 1 A free dia 5454390 1 21 55 S6 Ser 5 w H D Brake Booster 55 59 Ser 6 w H D Brake Booster 56 59 Ser 7 8 9 10 exc TDM 58 59 Ser 5 6 w A O H B RING lock 15 free dia 5454783 1 37 60 61 Ser 40 thru 60 exc 16000 lb axle A O I I B 62 Ser 40 thru 60 63 ALL RING lock 1 free dia 5459331 1 35 1966 Chevrolet Motor Division 4 654 4 656 Generol Motors Corporation 449 HDT REVISED MAY 1 1966