1973 79 GENERAL M IIIIOIIIIIIAIION TRUCK SERIES 100 500 ABBREVIATIONS c0nt d M 1000 pounds S E sing1e exhaust or special max maximum economy M D medium duty sec secondary med medium Ser seria1 m1dg mou1ding s member side member mn mi11imeter spec specia1 m p h mi1es per hour speedo speedometer M S manua1 steering spg spring M T manua1 transmission sq square mtd mounted sq hd square head mtg mounting S R side rai1 mtr motor std standard strg steering Nags No Nationa1 Automotive G1ass Suppt Suppgpt Society number susp suspension No number S X C super extra coo1ing N P G New Process Gear tach tachometer N P T F nationa1 pipe thread fine T C turbo charger N R not rep1aced T E thermactor emission contro1 N S not serviced system temp temperature 0 D outside diameter t gate tai1gate 0 D overdrive thd thread 0 S oversize T M transmatic oz ounce trans transmission Trans ign transistorized ignition pass passenger Trans reg transistorized regu1ator P B power brake T S L Truck Specification List P C Po1ice Car T T tractor trai1er pcs pieces P F premium fue1 UBS uniform bearing stress u joint universa1 joint pri primary univ universa1 P S power steering U S undersize P T O power take off vac vacuum qt quart VV variabie venturi qty quantity w with W 4 S Warner 4 speed transmission rad radiator N B whee1base r b rep1aced by w o without R D regu1ar duty W S windshie1d rd round w strip weatherstrip recirc recircu1ating X C extra coo1ing reinf reinforcement Rep1 rep1aced 2 B 2 barre1 req d required 2 W D 2 whee1 drive resvr reservoir 3 M T 3 speed manua1 transmission R F regu1ar fue1 4 B 4 barre1 R G ring gear 4 M T 4 speed manua1 transmission R H right hand 4 N D 4 whee1 drive R P M revo1utions per minute 351C 351 cubic inch engine bui1t rr rear at C1eve1and engine p1ant R R Road Ranger 351CJ 351 cubic inch Cobra Jet r whee1s rear whee1s engine S C standard coo1ing 351HO 351 cubic inch high output S C sing1e contact engine S CJ Super Cobra Jet 351W 351 cubic inch engine bui1t s compt storage compartment at Windsor engine p1ant