wi I ll CII I uDu A B C D E T Part No 40 WA 4 4 1 2 V 2 60 1 23 1 38 40 Utility exc C O E 5 5 1 2 2 3691620 39 52 C O E exc TR TS UR US VR VS 4 5 2 3 1 3651075 42 55 Util 1st Ser exc OR OS PJ PK OJ OK C O E 55 59 Ser 4 6 w dbi act shocks exc SBC D D 55 59 Ser 4 6 w P S exc SBC 57 59 D D w dual wheels 5 5 2Vw 3Vun Vu 3 3753744 46 55 1 Ton D D 1st Ser exc SBC 55 Ser 6 w 20 x 6 5 wheels exc hvy rr spring SBC 55 57 Ser 4 55 56 Ser 6 w heavy frt spring exc SBC 55 56 Ser 6 exc D D SBC 57 D D exc H D spring shock abs 57 Ser 6 exc P S SBC D D 1st design 57 Ser 6 SBC 1st design exc H D frt axle 57 Ser 6 w H D frt spring 1st design exc D D SBC 5 5 2 3 2 3753743 50 52 TR TS UR US VR VS 5 6 2 3 V 1 3691876 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31S 7 41 7 7 41 7 7 38 R5v 5 71