3 SPEED TRANSMISSION NOTE 2 For use with shaft assy 1I588291 57 59 All w 4 WD 1564675 1 2 38 86V 61 65 Ser 10 D D exc 4 Spd 1563160 1 2 44 78 64 65 G 10 w 3 Spd 1569080 1 3 66 118 66 67 G 10 20 1565004 1 3 89 127VQ 0 L 67 Ser 10 D D 64525347 1 3 13 85V 67 Ser 20 30 D D 1563055 1 7 08 101V 67 Ser 10 thru 30 w 3 Spd exc 0 D D D 4 WD 6453506 1 2 56 59V 67 Ser 10 w O D 67 Ser 10 20 Conv w Saginaw 3 Spd 1564El 3 1 2 56 67V 67 4 WD 6453655 1 3 02 38 70 All 6477499 1 2 64 SHAFT UNIT consists of shaft tip AC 615 81 0 L Note 3 NOTE 3 For models requiring miximum length of 81 Cut to required length 38 70 All 64511l20 1 6 05 SHAFT UNIT AC 622 171 0 L Note 4 NOTE 4 For models requiring length of 81 to 172 cut to required length 4 342A SHAFT ASSEMBLY with Casing NOTE Shaft length is generally 1 V longer than casing deminsion listed 38 69 All 6451025 1 CC 184 55 casing 47 69 All 6451072 1 6 50 77Vz casing O L 39 55 Comm 1st Ser exc D D C O E 55 57 V Ton w O D 65 69 All 1588291 5 65 CC 75 67V casing 55 70 All 6478 l26 1 7 93 u w 56 thru 60 long 55 70 All 6478 I27 1 8 15 u w 61 thru 64 long 48 59 D D exc 1 Ton 60 62 Ser 20 30 D D 63 66 4 WD 67 69 Ser 20 30 D D 6454508 1 7 40 108 casing 60 62 4 WD 1st design 60 64 Ser 20 30 D D 65 66 All 1536478 1 9 00 120 casing 57 59 All w 4 WD 62 4 WD 2nd design 65 69 All 67 69 Ser 10 D D 15681847 1 7 55 92V casing 66 67 G 10 20 64541880 1 12 60 1130 casing 67 69 Ser 10 thru 30 exc D D 4 WD 3915l561 1 1 90 68 68 69 Ser 10 thru 30 exc speed control D D 4 WD 64761986 1 5 34 flex 68 70 G 10 20 39141874 1 7 50 130 casing Length AC Number 70 Ser 10 thru 30 6476814 31 to 34 CC 313 6478121 35 to 40 CC 304 6478122 40 to 44 CC 505 6478123 45 to 48 CC 506 6478124 49 to 52 507 6478125 52 to 56 508 6478126 56 to 60 509 6478127 60 to 64 510 6478128 64 to 68 CC 529 6478129 68 to 72 512 6478130 72 to 76 CC 513 4 342B Speed and Cruise Control Shaft Assys 68 69 Ser 10 thru 30 3930264 1 1 45 w o casing 68 69 Ser 10 thru 30 6476986 1 5 34 w casing regulator to trans 4 343 GEAR Speedometer Drive NOTE For detailed application use Speedometer Gear Chart 63 66 Ser 10 thru 30 w 4 11 4 57 5 14 axle 63 66 Ser 10 w 3 73 axle 6 00 16 6 70 15 7 10 15 tires 59 61 V Ton w econ axle 3 38 3708145 1 1 65 8 teeth 1 O D x Wu thick 63 66 Ser 10 w 3 07 axle 63 66 Ser 10 w 3 73 axle exc 6 00 16 6 70 15 7 10 15 tires 6 95 x 14 tires 1971 CHEVROLET MOTOR DIVISION GENERAL NIOTORS CORPORATlON P A 31 REV 6 71 4 51 4 342 4 343