YTH120AR (1999 & Before) 38" MOWER DECK, BELTS, BLADES Page 1 of 34
YTH120AR (1999 & Before) 38" MOWER DECK, BELTS, BLADES Ref # 1 2 3 4 5 6 7 8 9 11 12 13 14 15 16 18 20 21 22 24 25 26 27 29 30 31 32 33 35 36 39 40 41 42 43 54 55 63 65 68 69 75 76 77 78 79 80 81 Part Number 106085X 108672X 8417J 73680600 19111216 72140505 105896X 110452X 106734X 106736X 108682X 105304X 105662X 105744X 4921H 109835X 73680500 109598X 109597X 109820X 109503X 109504X 74760637 108674X 106902X 121316X 106513X 121687X 100668L 121263X 19132012 10030600 74610624 102727X 105857X 108673X 19111016 76
YTH120AR (1999 & Before) CHASSIS AND ENCLOSURES Page 3 of 34
YTH120AR (1999 & Before) CHASSIS AND ENCLOSURES Ref # 1 2 4 5 6 7 9 10 11 12 13 14 15 16 17 18 19 21 24 25 26 27 28 30 31 32 33 34 35 37 38 39 40 41 42 43 46 47 48 49 50 51 52 53 54 55 57 58 59 60 61 62 64 65 66 70 71 72 Part Number 121442X 121247X 120822X 121642X 106202X 121586X 105511X 121067X 105531X 105508X 6431J 121221X 106020X 3645J 8710J 6999R 5277J 105523X 105465X 101892X 108682X 109864X 121306X 74180512 121278X 105464X 110828X 4171R 110436X 121195X 1554J 109820X 104805X 121312X 2029J 121723X012 10
YTH120AR (1999 & Before) CHASSIS AND ENCLOSURES Ref # 74 75 76 77 79 81 82 83 84 85 86 88 89 90 91 93 96 98 99 100 101 102 104 106 109 116 120 121 122 126 127 128 131 132 134 135 136 137 138 139 140 141 142 Part Number 72140606 17431008 74760616 121794X 19091216 73220400 74760532 73510500 17211010 104755X 17490512 7605J 73680400 74191008 10071000 19131312 74760612 109808X 73731000 7206J 19070818 74981020 19111116 10090400 2751R 121236X 110853X 110852X 105419X 19131614 17190412 19091216 11050400 19111212 12
YTH120AR (1999 & Before) DRIVE, ENGINE, FRONT WHEEL Page 6 of 34
YTH120AR (1999 & Before) DRIVE, ENGINE, FRONT WHEEL Ref # 1 3 4 5 7 9 10 11 12 14 15 16 17 18 19 20 21 22 23 24 25 27 28 29 30 31 32 33 35 36 37 38 39 40 41 42 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 71 Part Number 120330X 281707 2949R 101326L 10040400 13200300 13280320 91084 121527X 108103X 2751R 121187X 121191X 2703J 73510600 121189X 121199X 121748X 106108X 12000001 104757X 65139 59192 74610764 19152405 10040700 108218X 109841X 74760644 4859J 4470J 19131312 105730X 121218X 109169X
YTH120AR (1999 & Before) DRIVE, ENGINE, FRONT WHEEL Ref # 49 80 80A 82 84 91 93 94 95 96 97 98 99 Part Number 10040600 106268X 7152J 108236X 110422X 4921H 74760416 71070510 17450808 120601X 677A223 73350600 4497H Page 8 of 34 Qty Description LOCKWASHER SUB= 122074X TUBE.18X9.5-8 BRACKET LT SUB= 146682 SPRING.RETAINER BOLT SCREW LT SCREW LT DECAL.ENG.
YTH120AR (1999 & Before) ELECTRICAL Page 9 of 34
YTH120AR (1999 & Before) ELECTRICAL Ref # 1 2 3 4 5 6 7 10 11 12 13 14 15 16 18 19 20 21 22 24 26 27 30 30A 31 32 33 34 35 36 37 39 40 43 45 46 47 48 49 50 51 52 53 55 56 57 58 61 Part Number 73490400 19091016 102476X 72240460 121537X 7603J 121533X 110859X 7662J 100541K 7192J 104445X 4206J 4406R 109788X 109434X 109081X 110712X 73680400 4779J 719J 4207J 17021008 109748X 2751R 109596X 10090400 73350400 74780408 73510400 74760412 73220400 11050400 10040400 108824X 9433R 6009J 10101000 73911000 19070818 102501
YTH120AR (1999 & Before) HARDWARE Page 11 of 34
YTH120AR (1999 & Before) HARDWARE Ref # 67 70 76 96 113 123 124 125 129 130 Part Number 74760612 73680600 74760616 74760612 121144X 120068X 19171912 11050600 11030400 73490400 Page 12 of 34 Qty Description SUB= 74780612 SUB= 73690600 BOLT SUB= 74780612 SUB= 127018X "KNOB 1/2"" YT" WASHER LOCKWASHER LOCKWASHER GT SUB= 146525
YTH120AR (1999 & Before) HARDWARE Page 13 of 34
YTH120AR (1999 & Before) HARDWARE Ref # 4 5 6 20 23 37 50 67 Part Number 73680600 19111216 72140505 73680500 72140506 17490612 72140606 72140610 Page 14 of 34 Qty Description SUB= 73690600 WASHER M BOLT SUB= 73690500 BOLT SCREW BOLT BOLT.3/8-14X1.
YTH120AR (1999 & Before) HARDWARE Page 15 of 34
YTH120AR (1999 & Before) HARDWARE Ref # 7 10 36 40 Part Number 73680600 105848X 72140606 74780624 Page 16 of 34 Qty Description SUB= 73690600 "BOLT, SHOULDER LT" BOLT "BOLT,HEX"
YTH120AR (1999 & Before) HARDWARE Page 17 of 34
YTH120AR (1999 & Before) HARDWARE Ref # 31 33 70 71 92 93 96 97 98 Part Number 73680600 19131312 17490612 17490508 71011012 73661000 730536K 74760612 73680500 Page 18 of 34 Qty Description SUB= 73690600 WASHER SCREW SCREW LT SCREW.HXHD.10-2 NUT.
YTH120AR (1999 & Before) HARDWARE Page 19 of 34
YTH120AR (1999 & Before) HARDWARE Ref # 6 7 8 38 53 65 66 67 68 69 70 79 83 89 90 Part Number 74760416 10040400 17210806 19131312 73680600 17080408 17490624 11050600 74760612 74760616 72140606 10040600 17021008 72140506 73680500 Page 20 of 34 Qty Description BOLT LOCKWASHER SCREW WASHER SUB= 73690600 SCREW SCREW LT LOCKWASHER SUB= 74780612 BOLT BOLT LOCKWASHER SCREW BOLT SUB= 73690500
YTH120AR (1999 & Before) LIFT ADJUSTMENT ASSY Page 21 of 34
YTH120AR (1999 & Before) LIFT ADJUSTMENT ASSY Ref # 1 2 3 4 5 6 8 9 11 12 13 16 17 18 19 20 21 22 23 24 25 26 28 29 30 32 33 34 37 38 39 Part Number 121891X 73360700 110729X 76020308 2876H 19131016 19151216 110810X 109413X 105723X 121002X 4939M 121006X 4921H 19171516 110029X 121000X 110448X 110447X 73710700 12000037 105864X 121598X 9135R 106308X 73220800 121599X 12000022 19292016 110807X 73350600 Page 22 of 34 Qty Description HDLE ADJ LIFT NUT ROD LIFT LT SUB= 3145 SPRING T WASHER WASHER TRUNION LT GRIP
YTH120AR (1999 & Before) PUMP P/N BREAKOUT Page 23 of 34
YTH120AR (1999 & Before) PUMP P/N BREAKOUT Ref # 1 2 3 4 5 6 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 25 26 27 28 29 30 31 32 33 34 35 37 38 39 40 41 42 43 44 45 46 47 48 50 51 52 53 54 55 56 57 58 59 60 Part Number 122756X 122716X 122745X 122715X 122700X 122699X 122767X 122729X 122746X 122747X 122717X 122748X 122749X 122768X 122769X 122770X 122771 122772X 122773X 122722X 122750X 122774X 122775X 122776X 122777X 122778X 122779X 122723X 122780X 122781X 122782X 122784X 122785X 122786X 122718X 122731X 122
YTH120AR (1999 & Before) SCHEMATIC Page 25 of 34
YTH120AR (1999 & Before) SCHEMATIC Ref # Part Number Page 26 of 34 Qty Description REFER TO IMAGE
YTH120AR (1999 & Before) STEERING, FRONT WHEEL ASSY Page 27 of 34
YTH120AR (1999 & Before) STEERING, FRONT WHEEL ASSY Ref # 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 Part Number 121584X 73940800 100712K 121472X 100711L 106945X 106943X 4921H 102670X 73610600 104757X 121274X 110845X 121631X 108196X 109557X 2882J 74580 71208 109432X 19212016 12000029 6266H 108683X 108972X 108684X 106126X 76020412 73680600 108200X 108518X 19212016 108201X 121202X 108844
YTH120AR (1999 & Before) STEERING, FRONT WHEEL ASSY Ref # 62 63 63A 64 66 73 74 77 78 79 81 82 83 84 85 86 87 88 89 94 Part Number 106732X 106222X 59904 73350600 121750X 6855M 121748X 108685X 109816X 101930X 19131212 121749 19111216 19151516 110739X 121232X 121217X 121216X 17490512 121204X Page 29 of 34 Qty Description SUB= 106732X417 SUB= 122073X TUBE.5.3/4.
YTH120AR (1999 & Before) TRANSAXLE Page 30 of 34
YTH120AR (1999 & Before) TRANSAXLE Ref # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 Part Number 122614X 122615X 122616X 122620X 122621X 122622X 122623X 122624X 122625X 122626X 122688X 122629X 122631X 122633X 122634X 122640X 122641X 122642X 122643X 122644X 122645X 122646X 122647X 122648X 122649X 122650X 122651X 122652X 122653X 122654X 122656X 122658X 122659X 122660X 122662X 122663X 122664X 123
YTH120AR (1999 & Before) TRANSAXLE Ref # 57 58 59 Part Number 122686X 122687X 122678X 123061X 60 123062X 61 123063X 121431X Page 32 of 34 Qty Description WASHER -44137 PIN ROLL-44269 NLA WASHER -44371 DOWEL PIN -44346 SEAL GREASE -44394 TRANSAXLE.
YTH120AR (1999 & Before) TRANSAXLE AND PUMP ASSY Page 33 of 34
YTH120AR (1999 & Before) TRANSAXLE AND PUMP ASSY Ref # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Part Number 121192X 76020312 121193X 121188X 74760412 121186X 121180X 121211X 121182X 74760572 121323X 73680500 121250X Page 34 of 34 Qty Description SUB= 123634X SUB= 3145 SUB= 123634X BRACKET BOLT LT FAN PULLEY TRANSAXLE STANDOFF GUARD ASSY REFER TO IMAGE REFER TO IMAGE BOLT PUMP.2003081.