40 42 COMM 46 53 1 Q TON 55 57 TON O D cast 3652336 d b f 40 42 UTILITY exc hvy duty 2 SPD au 0 orange paint 3652336 1 15 05 903 42 53 UTILITY 54 58 TON cast 3661872 73 605922 1 29 85 1791 TON cast 3664592 93 609803 1 19 70 1182 50 52 PAS w PVgc Shift stamped 3835 C 263 A20 3835 D 264 6100001 1 46 65 2799 w 53 PASS exc SDL 54 PASS 53 55 CORV cast 593009 identified by blue paint 3691463 1 13 40 804 54 58 Q TON exc O D P Trac cast 3697701 3697701 1 15 05 903 54 56 2 TON prod cast 3702226 3707515 1 31 15 1869 54 55 2 SPD w Vac Shift lst Ser cast 3703727 3707538 1 48 90 2934 55 56 PASS exc O D 56 CORV cast 3707311 3707311 1 13 40 804 55 58 PASS w O D exc P Trac 56 CORV w 3 SPD 3748260 1 12 95 777 55 56 2 TON w hvy duty 2nd Ser 57 58 Ser 6 exc 2 SPD cast 3711453 3718102 1 32 40 1944 55 58 2 SPD 2nd Ser planet support cast 3705811 outer 3717214 1 60 35 3621 57 58 PASS exc O D P Trac 57 58 CORV exc 4 11 ratio P Trac cast 3748256 3748256 1 12 95 777 57 58 PASS O D w P Trac 57 58 CORV w P Trac 4 11 or 4 56 ratio assy includes internal gears 3743941 1 79 80 5187 57 58 PASS w P Trac exc O D 57 58 CORV w P Trac 3 70 ratio assy includes internal gears 3743839 1 79 80 5187 57 58 PASS w P Trac exc O D 57 58 CORV w P Trac 3 70 ratio w cover 3745319 1 55 65 3339 57 58 PASS O D w P Trac 57 58 CORV w P Trac 4 11 or 4 56 ratio w cover 3745320 1 55 65 3339 58 l TON w P Trac w cover 2370714 1 50 25 3266 55 58 12 SPD 2nd Ser SUPT ASSY planet cast 3705805 inner 3717215 1 47 65 2859 46 55 2 SPD w Vac Shift lst Ser BOLT case assy 18 x 2 drld 3682519 8 5 479 46 55 2 SPD w Vac Shift lst Ser BOLT case assy 18 x 5 drld 3682520 8 5 531 57 58 PASS CORV 1 Q TON w P Trac BOLT case assy 16 x 233 3745312 8 10 6 NO l E Bolts holding case together to be discarded when installing 7 TNOTE Ream holes alter gear assembly See Truck Shop Manual Section 4 5 511 PLATE PLATE UNIT RING Differential Clutch 57 58 PASS CORV BQ TON w P Trac 096 101 thick 531403 A R 1 20 72 57 58 PASS CORV l TON w P Trac PLATE UNIT w disc 3745311 1 8 40 504 57 58 PASS CORV w P Trac RING side gear 3745318 2 12 00 720 58 1 g TON w P Trac RING side gear 2370716 2 10 75 645 5 512 ANCHOR BUSHING DOWEL BOLT Differential Shifter Sleeve 55 58 2 SPD 2nd Ser forge 3705822 3705822 1 8 40 504 55 58 2 SPD 2nd Ser BUSHING anchor 1 O D x VZ tbl 3705829 1 70 42 55 58 2 SPD 2nd Ser DOWEL anchor Wg I D x 96 O D 3705830 1 10 2 12 55 58 2 SPD 2nd Ser BOLT anchor 3 16 x 19 Q 3705823 1 05 4 10 5 515 GEAR BEARING BOLT Differential Sun and Planet 5558 2 SPD 2nd Ser SUN GEAR w retainer 1 I D 17T 3705813 1 22 75 1365 55 58 2 SPD 2nd Ser PLANET GEAR 21 O D 15T 3705816 4 6 80 408 55 58 2 SPD 2nd Ser BEARING 33 1 D Hy A 21018 Z 7450358 1 25 25 1263 55 58 2 SPD 2nd Ser BOLT diff and planet sup t to cover attach lQ 20 x UQ 454319 8 8 900 5 517 SHAFT Differential Pinion 33 36 CC DC EC FC 37 58 PASS CORV lm x 42 long 3714784 1 1 20 72 33 36 CA CB DA DB EA EB ED FA FB FD 37 42 COMM 46 58 TON exc P Trac 1 x 52 long 3714787 1 1 20 72 57 58 PASS CORV w P Trac x 4 long 3745314 2 6 85 411 58 LQ TON w P Trac 9 Q x 41 531312 2 6 35 381 5 5 5 5 584 zEv1sE JANUARY 1 1959