c s c L L I I T B 0LIi lBi AiL NL eL e L L l12 mlt L ei e c ee itierel Ieeowe E L L Ll lk ilEl 2 i9Q9l 79 80 1 7812185 Manual F090 Axle 9 eQ i 2 LL L L L L 811 L L i c The format of this book lists the applicable model years in the first column titled YEAR This is followed by the QUANTITY column listing the quantity ofthe particular part required by truck model series A plus sign in this quantity column indicates the part is not serviced but is listed for reference only Next is the part number column and if a bullet appears next to the part number this means that the part number is being added to this particular group in the book for the first time A quick check of the part number index will reveal whether the part has more than one application This will alert dealership personnel to the possible need to adlust inventory requirements accordingly The model and usage codes appear in the next column and the model usage terms used are explained in the chart below Currently all medium duty model truck parts books are formatted in the Warehousing and Distribution Division Grouping System In the sample group 6 508 is the Warehousing and Distribution Division group number for a Steering Gear The number following the part name is the GMT group number and is listed to assist those GM dealers who use this number for inventory control purposes ADDITIONAL INFORMATION important to accurate parts identification is listed in the extreme right hand column This may be a vendor number attaching part information or ardiztitional usage information to identify the part with a specific RPO MODEL USAGE TEI tiMS L LQie L tQLhassrs School Eros Flat Face Cowl 4 ZY Single Rear Axle N lL 350 V 8 Gas 360 V 8 Grits 4127 V 8 Gas 8 ITT V 8 Detrolt Diesel 4 Cycle 8 Z N V 8 Detroit Diesel 4 Cycle cTB5N slt l I t 46 5 Muncie rtl Speed 2855iV Clark Ei Speed 2 t iVIlljl Clark AES Speed 39IOV Clark I5 1E peed CM50 52 I3 Spicer 5 Speed CM52 52 A Spicer 5 Speed 542lL New Process 5 Speed A I 5l4O r Allison l lllO AT i45 Allison Auto M l f5413D Allison Alito c ll FiEE lIEi I E H 150 Corp 15 s 000 ltr l i t70 Corp ti 000 lb I tii 5 Corp t7 500 Ib t7101 r Eaton tEt I50O Ib 17 l21 Eaton lE1 500 Ib 22t21 Eaton 222 000 lb F108 Rockwell 15 000 lb Ht7 2 t Rockwell t l7 5 l0 lb jLNQ iEEQ1lE I E T ll50 Corp l5iy000 lb T 70 Corp I7 000 Ib T t 5 Corp tf 500 Ib 171201 Eaton rl3 sEi00 Ib 1712iZt Eaton 1l3 Ei00 lb 222221 t Eaton 2 2 ljI0O lh NOTE Wheel base and Engine RPO codes are showt by model code lll the TFIUCK MODEL IDENTIFICATION charts that are included in this GENERAL lNFORMATl0N section Optional Axles and Trarisrrilssions are found in the same charts but are not identified by an RPO code For RPO codes on these atd other optional edu prrrent refer to the BASIC RPO INDEX 5