BRAKES REAR AXLE AND DRIVE A 5 528 GEAR Differential Side Con t l 57 59 Ser 3A w 4 WD 3652344 2 front axle 16 teeth 46 67 1 Ton 1st design exc P Trac 1 1 000 Ib axle 3681056 2 rear axle 18 teeth w groove 60 62 Ser 10 w P Trac 3772616 2 16 teeth 17 splines Eaton 40251 60 72 4 WD 69 Blazer 70 72 4 WD Blazer 3779581 2 front axle 16 teeth Dana 31487 60 68 4 WD w power lok 2409732 2 16 teeth Dana 30850 61 70 Ser 20 30 w no spin l 71 72 All w P Trac 643341 2 K 17 splines 2 u 0 D Det Automotive 65008 63 64 Ser 10 w P Trac 3 73 ratio 3830669 2 Eaton 40334 1 i 64 Ser 10 exc P Trac 64 G 10 w 3 73 4 11 ratio exc P Trac Q 3846424 2 17 splines 16 teeth l 64 G 10 3832415 2 A 65 70 Ser 20 4 56 ratio w leaf type spring exc power Iok 39 6 65 70 Ser 20 4 10 ratio w power lgkl 65 70 Ser 20 3 54 ratio power Iok l a w leaf type spring V 68 71 Ser 10 3 54 ratio w power V Iok 71 72 Ser 20 Conv Dana Axle w P Trac V 2410509 2 l 30 teeth Dana 31495 65 72 Ser 10 G 10 20 exc P Trac 70 72 Blazer 3846078 2 30 splines 16 teeth 65 68 G 10 w P Trac 3 36 ratio 2472350 2 Dana 33243 28 splines 16 teeth 65 71 G 10 w 3 36 ratio 3863725 2 V 28 splines 16 teeth 65 71 G 10 20 w P Trac 3 73 ratio z interior spline 30 exterior spline 65 71 Ser 10 w P Trac 3 07 3 73 ratio 1 70 71 Blaz er 2472352 2 exterior spline 23 18 teeth Eaton ED 40334 7 65 67 Ser 10 w P Trac 3 73 ratio V 65 67 G 10 w P Trac 3 73 4 1 1 A ratio 2472355 2 30 spIines 16 teeth Dana 33228 65 70 G 10 w P Trac 3 36 ratio 67 72 Ser 30 w 11 000 Ib axle 3697746 2 27 spline 18 teeth 67 70 Ser 20 30 2nd d esign exc P Trac 11 000 lb axle 1 71 72 Ser 20 30 exc 11 000 Ib V axle V 71 72 G 30 V 3867815 2 18 teeth without groove 68 70 Ser 10 4 Spd w 396 A 68 72 Ser 20 w Dana Axle 650073 2 Dana 34394 rear 69 Ser 30 dual wheels w 4 10 ratio 8 Vcyl exc D D 3873576 1 left 4 69 Ser 30 dual wheels w 4 10 l ratio 8 cyl exc D D 3673577 1 right 71 G 10 Panel w P Trac 3869344 2 interior spline 28 exterior spline 23 18 teeth ED 40334 5 71 72 Ser 10 Blazer w P Trac V V 71 72 G 10 20 w P Trac 3995839 2 ED 42174 5 529 GEAR ASSY Ring and Pinion not sold separately V NOTE Axle ratio is equal to Ring gear divided by Pinion 37 divided by 10 is equal to 3 70 to 1 NOTE Part numbers in parentheses are stamped on ring gear and pinion respectively 46 60 4 Ton exc D D rear axle 57 59 Ser 3E w 4 WD 609797 1 front axle 32 7T hypoid 3682104 03 W 46 59 D D 1 Ton 60 Ser 20 D D 60 Ser 30 Q rear axle 57 59 Ser 3G w 4 WD 609798 1 front axle 36 7T hypoid 3682146 45 l 55 59 Ton exc 0 D P Trac V A 60 62 Ser 10 63 Ser 10 4 WD 1st Ser A 3 90 ratio 39 10T hypoid 57 59 Ser 3A w 4 WD 3747808 1 3697702 3740897 front axle 56 62 Ton exc 4 WD 3764960 1 13 44T hypoid 3763461 3763466 60 63 Ser 10 4 WD 1st Ser 2402513 1 frt axle 47 12T hypoid Spicer 18445 4 31488 60 72 Ser 20 4 WD w 4 56 ratio 2403655 1 frt axle 50 1 1T hypoid 18679 31491 61 64 Ser 20 w 4 57 ratio exc D D 65 67 Ser 20 30 w 4 57 ratio 3785597 1 32 7T hypoid 3768612 3766683 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVFlOLET 72TL REV 5 79 i s as t 5 528 5 529