55 H w hvy duty 4 SPD lst Ser E 61 16 3711310 1 26 95 55 TON 3 SPD lst Ser exc hvy duty 55 57 1 Ser 3E 3 SPD 2nd Ser exc hvy duty F 641 3711311 1 26 95 55 57 H Ser 3A hvy duty 4 SPD 2nd Ser E 61 16 3719043 1 26 95 55 57 M Ser 3B 2nd Ser exc hvy duty 4 SPD F 64 3719042 1 26 95 55 57 M Ser 3B hvy duty 4 SPD 2nd Ser F 361 g 3719044 1 26 70 55 57 F Ser 3C 3 SPD 2nd Ser exc hvy duty F 521 3717023 1 25 85 55 57 F Ser 3C hvy duty 4 SPD 2nd Ser E 50 16 3718008 1 26 15 55 57 F Ser 3C w H T 2nd Ser E 411 16 3718009 1 25 80 55 57 G Ser 3D 2nd Ser F 441 3721462 1 23 10 55 57 1 Ser 3E w H T 2nd Ser E 62 16 3718007 1 26 95 55 57 K Ser 3F 2nd Ser 3 dia tube F 56 3725032 1 27 50 55 57 1 TON 2 SPD 2nd Ser 55 2 TON hvy duty 2 SPD 2nd Ser exc Z 56 2 TON hvy duty 2 SPD exc SBC 57 Ser 6 exc SBC F 4616 3717095 1 24 20 55 56 Z Ser GE 2nd Ser exc hvy duty 2 SPD F 55 3718926 1 26 40 55 Z hvy duty 2 SPD 2nd Ser F 54 3718927 1 26 40 56 Ser 6D hvy duty 2 SPD 57 Ser 6D F 3737109 1 31 50 56 Ser 6E hvy duty 2 SPD 57 Ser 6E F 3737101 1 31 50 NOTE See group 5 442 for components and cutting specifications 5 442 TUBE ASSY YOKE END Universal Propeller Shaft 56 2 TON SBC 2 SPD hvy duty 57 2 TON ssc w yoke 48 long 3725396 A R 16 25 56 2 TON SBC 2 SPD hvy duty 57 2 TON SBC YOKE END type F 3707774 A R 6 90 NOTE See Chevrolet Heavy Duty Truck Parts Catalog Gr 5 442 for fabrication procedure Also part of dealer stock unit 3725395 PROPELLER SHAFT CHART 3 Inch Dia Rear see Group 5 441 Shaft Shaft Components Cut Assy Stub End Tube Assy Spec 56 6700 2 SPD hvy duty 57 6700 3737109 3707774 3725396 41 67 56 6800 2 SPD hvy duty 57 6800 3737101 3707774 3725396 None 5 444 GUARD SUPPORT STRAP Propeller Shaft 41 48 DS ES FS UTILITY 49 55 SBC 1st Ser rear 18 x 13 U bolt type 3684176 1 95 47 55 SBC lst Ser front 3684155 1 85 47 55 2 TON SBC lst Ser intermediate 3684156 1 95 55 CORV w P G 8 cyl 7 M dia holes 3718113 1 3 30 55 CORV 3 SPD 8 cyl 3 1 dia holes 3724575 1 4 75 55 57 SBC 2nd Ser front 8 long 3723150 1 90 55 57 1 TON SBC 2nd Ser rear 13 long 3723152 1 1 30 55 57 2 TON SBC 2nd Ser rear 15 long 3723153 1 1 40 55 57 2 TON SBC 2nd Ser inter 11 long 3723151 1 1 05 56 57 CORV 3728417 1 3 30 41 46 DS UTILITY exc short COE SUPPORT front 41 46 DS UTILITY exc MU rear 41 46 YT MT OY OG PX intermediate 47 55 SBC lst Ser front rear 47 55 QX RX SX TX UX VX VZ Y Z lst Ser guard inter used w U bolt type guard dia holes 4 between ctrs 3665126 1 1 55 55 56 SBC 2nd Ser SUPPORT front inter rear 3723154 1 1 65 57 SBC SUPPORT front inter rear 3730470 A R 1 65 53 55 CORV 6 cyl STRAP guard 2 1 dia holes 3706326 1 40 NOTE On some models it will be necessary to relocate and drill new attaching holes in support 5 446 NUT Pinion Shaft Bearing 30 42 PASS COMM exc CC DC EC 46 54 PASS 1Q TON 55 LQ TON lst Ser 1 20 thd 1 thick 3703782 1 65 5 441 5 446 482