REAR SPRING ASSEMBLY CHART Spring No of Leaf Leaf Leaf Assy Leaves Width No I A B C No 2 B C No 3 B C 3780640 12 4 3782842 37 20 17 3782844 20 17 N S 3787803 9 3 3788265 59 29 29 3788267 26 26 3788268 22 22 3787804 10 3 3788265 59 29 29 3788266 28 28 3788267 26 26 3787805 11 3 3788265 59 29 29 3788266 28 28 3788267 26 26 3818301 8 2 3829740 59 29 29 3829741 25 2725 3829743 22 22 3818302 10 2 3829740 59 29 29 3829741 25 27 3829742 23 23 3818303 11 2 3829740 59 4 29 29 3829750 28 28 3829741 25 272 3818304 9 3 3788265 59 29 29 3829751 26 26 4 Z 8 2 68Z 22 22 3818305 10 3 3788265 59 29 29 3788266 28 28 3829751 26 26 3818306 11 3 3788265 59 29 29 3788266 28 28 3829751 26 26 3831460 11 4 3845592 37 20 17 3845582 20 17 6 3845583 18 15 TAuxi1iary spring N S These leaves are not serviced 7 504 BUSHING Rear Spring Eye 56 59 Ser 7 8 9 10 exc TDM 1 LD x 1 O D x 2 O L 3725701 4 75 55 S6 Ser 4 5 S7 59 ALL 60 Ser 40 74 LD x 1 O D x 2 O L 369721 2 55 55 S7 ALL W P S front eye cyl to axle brkt pin I D 58 59 Ser 5 7 8 10F w P S X 1 O D x 1 Z O L 1427894 2 58 60 62 ALL exc TDM radius rod 1 I D x 1 O D x 2 0 1 3769289 2 1 35 g 60 65 TDM 1 I D x 1 O D x 4 O L W liner 64 65 Ser 60 TDM and inside grooves 3314221 2 2 90 63 66 Ser 50 exc 4 cyc DIESEL 63 66 Ser 50 TH T 4 cyc DIESEL w 175001b H D rr spring 63 66 Ser 60 exc TDM DIESEL 63 66 Ser 60 4 cyc DIESEL w 17500 lb H D rr spring exc TDM I D x 1 O D x 2 O L 3818307 2 95 63 66 Ser 60 80 w H D equip 1 I D x 1 6 0 D x 3 O L 3822129 2 2 05 7 505 LEAF Rear Spring Part List Part List Part List Part List Nc Price No Price No Price No Price 3713384 11 35 3726071 6 95 3770434 10 30 3788266 14 35 3713386 7 80 3733514 13 75 3770443 15 40 3788267 14 35 3713387 7 80 3733516 11 20 3770444 1 4 75 3788268 11 25 3713396 6 15 3733517 10 15 3770445 15 45 3829740 7 85 3713397 5 35 3734821 18 50 3770446 11 65 3829741 8 75 3713398 6 00 3734823 12 95 3770962 6 95 3829742 6 75 3716737 5 05 3734824 10 15 3770963 6 70 3829743 6 25 3717642 9 15 3742941 9 90 3770964 7 20 3829750 7 75 3717644 7 10 3742943 6 85 3771081 9 60 3829751 10 75 3717645 6 00 3742944 6 85 3771083 7 75 3829830 6 60 3719554 5 05 3769474 10 00 3771084 8 25 3829831 6 25 3722187 7 15 3769478 8 75 3773281 35 45 3829832 5 70 3722188 6 15 3769479 8 75 3773284 33 35 3829834 6 60 3722207 10 95 3770431 14 75 3782842 35 45 3845582 18 45 3726069 7 50 3770432 14 20 3782844 32 40 3845583 15 25 3726070 6 65 3770433 14 75 3788265 14 35 3845592 22 60 56 59 TDM upper 3728867 8 11 35 56 59 TDM center 3728865 2 7 80 56 59 TDM lower 3728866 16 9 90 65 Ser 80 TDM 4 cyc DIESEL main 24383730 2 30 00 65 Ser 80 TDM 4 cyc DIESEL rapper 2438374 I 2 28 00 LEAF Rear Spring Radius 60 62 Ser SO thru 80 exc TDM 3765456 2 11 20 63 64 Ser 60 w H D equip 63 Ser 80 exc TDM 29 O L 3827721 2 10 25 63 ser 50 63 64 Ser 60 exc H D equip 27 O L 3827724 2 6 95 For further details on assy and related models refer to chart in Group 7 503 1966 Ch vroI t Motor Division 7 503 7 505 G n r I Motors Corporation 825 HDI REVISED MARCH 1 1966