67 70 Ser 60 w 18 500 Ib 2 Spd axle 24912739 1 248 00 spiral drive Eaton 66853 6 5 8 87 ratio Note 4 66 Ser 80 w 18 500 Ib 2 Spd axle 2nd design A 67 70 Ser 60 w 18 500 2 Spd axle 2492740 1 248 00 spiral drive Eaton 66855 7 7 9 77 ratio Note 4 66 Ser 80 w 18 500 lb Sgl Spd axle 2nd design 67 70 Ser 60 w Sgl Spd 18 500 34 000 Ib axle 2492736 1 208 00 spiral drive Eaton 66846 Note 4 68 70 Ser 60 TDM w 34 000 Ib axle 3933840 1 222 00 spiral drive Eaton 74804 NOTE 5 Used with 3651486 Nut in Group 5 595 NOTE 3 With ribbed design NOTE 4 With conical design 5 531 RIVET BOLT NUT Ring Gear 56 59 Ser 9 10 w 18 000 Ib axle exc 2 Spd 60 63 Ser 80 w 18 000 lb axle exc 2 Spd axle TDM 649389 16 10 V2 x 1Vz Eaton 4084 55 Ser 5 exc 2 Spd axle 55 56 Ser 6 w H D 56 59 Ser 5 7 8 TDM SBC exc 2 Spd H D axle 57 59 Ser 6 exc 2 Spd 60 61 Ser 60 exc 2 Spd H D axle 60 61 Ser 70 SBC w 16 000 Ib axle exc 2 Spd 62 66 Ser 60 w 15 17 000 Ib axle exc 2 Spd 64 65 Ser 50 w 15 000 Ib axle exc 2 Spd 4 cyc Diesel 66 Ser 50 4 cyc Diesel w 15 000 lb axle exc 2 Spd 67 70 Ser 50 w 15 17 000 lb Sgl Spd axle 67 70 Ser 60 w 15 17 000 lb Sgl Spd axle exc TDM 3705627 A R 20 BOL T gear to case 6 18 x 2 stamped G on head 56 59 Ser 9 10 w 18 000 Ib 2 Spd axle 60 66 Ser 80 w 2 Spd axle exc 4 cyc Diesel 67 69 Ser 60 w 2 Spd 18 500 23 000 Ib axle 2360307 8 50 BOLT gear to case Vie 1 8 x 4 z Eaton 44358 5 510 55 59 Ser 4 w 2 Spd axle 55 59 Ser 5 6 7 8 w 2 Spd axle exc H D 60 61 Ser 60 w 2 Spd axle exc H D 60 61 Ser 70 SBC w 2 Spdl axle exc H D 62 65 Ser 50 60 w 15 17 000 lb 2 Spd axle 3705812 12 20 BOl T gear to case attach V 20 x 1 7 Iz 64 Ser 80 TDM w 34 000 Ib axle 64 65 Ser 80 w 23 000 lb 2 Spd exc 4 cyc Diesel 65 Ser 60 TDM Diesel exc 2 Spd axle 65 Ser 80 4 cyc Diesel w 18 000 Ib axle exc 2 Spd 1st design 2482664 A R 55 BOLT gear to diff case Eaton 67588 V2 20 x 1 57 Ser 5 6 7 8 9 10 16 000 lb 2 Spd axle w electric shift 58 59 Ser 5 6 7 8 16 000 lb 2 Spd axle w electric shift 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORAT 0N P A 315 REV 6 71 5 223 5 529 5 531