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Parts MANUAL
ZERO TURN TRACTOR
Model Numbers
ZT 4200 w/42" Mower Deck
ZT 5000 w/50" Mower Deck
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-
Warning:
covered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting
applicable local or state laws (if any). If a spark arrester is used, it should be maintained in ef
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FRAME: MODELS ZT4200 AND ZT5000 1 5 8 5 2 3 5 6 10 7 9 3 4 REF. PART NO. NUMBER DESCRIPTION QTY. 1 603-04303C Frame Assembly ............................ 1 777I22489 Graphic, Release Lever .............. 2 777D10797 Graphic, White Outdoor .............. 1 2 703-05829 Idler Arm, Drive .............................. 1 3 710-0520 Screw, Hex Cap, 3/8-16 x 1.5 GR5 3 4 710-3005 Screw, Hex Cap, 3/8-16 x 1.25 GR5 1 5 712-04065 Nut, Hx Insert Flnge Lck, 3/-16 GrF 4 6 732-0626 Spring, Extension, .75 x 5.
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FRONT AXLE & WHEELS: MODEL ZT4200 ONLY 5 9 10 8 4 6 4 8 12 3 15 11 2 14 8 7 8 1 12 11 3 2 7 13 13 REF. PART NO. NUMBER DESCRIPTION QTY. 1 603-04148C Axle, Front Pivot .......... 1 2 603-04308 Bracket, Castor Wheel 2 3 634-04237A Wheel Assembly, ......... 2 11.0 x 4.0 x 5.0 4 710-04186 Screw, Hex Lock, ......... 2 1/2-13 x 1.25 GR5 5 710-0514 Screw, Hex Cap, .......... 2 3/8-16 x 1.0 GR5 6 711-04228 Shaft, Axle ................... 1 7 712-3022 Nut, Hex Lock, ............. 2 1/2-13 GRB 8 731-0
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FRONT AXLE & WHEELS: MODEL ZT5000 ONLY 4 4 9 6 10 11 9 2 13 9 13 8 7 12 9 1 15 15 14 3 5 REF. PART NO. NUMBER DESCRIPTION QTY. 1 603-04370 Bracket, Castor Wheel ................... 2 2 603-04385 Axle, Front Pivot ............................ 1 3 634-04323A Wheel Assembly, 13 x 5-6 ............ 2 734-04255 Tire, 13 x 5-6 ............................. 2 4 710-04186 Screw, Hex Lock, .......................... 2 1/2-13 x 1.25 GR5 5 710-04652 Screw, Hex Cap, 1/2-20 x 7.25 Gr5 2 6 710-0514 Screw, He
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SEAT ADJUSTMENT: MODELS ZT4200 AND ZT5000 6 11 16 19 5 10 9 19 5 2 2 13 3 17 7 18 4 13 12 14 8 15 1 REF. PART REF. PART NO. NUMBER DESCRIPTION QTY. NO. NUMBER DESCRIPTION QTY. 1 710-1268 Screw, Hx. Wash. Hd. Tapp ............ 2 10 736-3019 Washer, Flat, .531 x 1.062 x .134 HT 2 #10-16 x .375 11 738-0137A Screw, Shoulder, .34 x .285:1/4-20 1 2 712-04063 Nut, Hx Insert Flange Lck, ............... 2 12 738-0296 Screw, Shoulder, .437 x .268:5/16-18 2 5/16-18 GrF 13 738-0966A Screw, Shoulder, .5 x
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ELECTRICAL: MODELS ZT4200 AND ZT5000 15 2 15 19 20 4 3 14 21 13 8 11 6 7 4 16 12 5 10 17 6 1 9 18 Section of Main Wire Harness (Reference Only) 6
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ELECTRICAL: MODELS ZT4200 AND ZT5000 REF. PART NO. NUMBER DESCRIPTION QTY. 1 710-0227 Screw, Hex Wash. Hd. Tapp ............ 2 #8-18 x .5 2 710-0599 Screw, Hex Wash. Hd. Tapp, ........... 2 1/4-20 x .5 3 710-3015 Screw, Hex Cap, 1/4-20 x .75 GR5 .. 2 4 712-0271 Nut, Hex Sems, 1/4-20 ..................... 4 5 725-04022B Meter, Hour ....................................... 1 6 725-04165 Switch, Dbl. Pole - Neutral ................ 2 7 725-04174 Switch, PTO ...................................... 1
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OPERATOR’S PLATFORM: MODELS ZT4200 AND ZT5000 17 10 11 8 7 6 6 18 7 2 19 12 6 18 16 6 22 22 5 6 13 6 3 20 10 1 15 16 8 9 11 6 3 6 6 5 6 21 19 6 20 4 4 14 4 8
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OPERATOR’S PLATFORM: MODELS ZT4200 AND ZT5000 REF. PART NO. NUMBER DESCRIPTION QTY. 1 603-04326B Frame, Seat Box ............................... 1 777I22769 Graphic, Park Brake ....................... 1 777S32354 Graphic, Warning ........................... 1 777I22770 Graphic, Deck Height ..................... 1 2 703-05373B Bracket, Foot Rest ............................ 1 777D10796 Graphic, Troy-Bilt ........................... 1 3 703-05467 Bracket, Switch Mounting .................. 2 4 71
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OPERATOR’S CONTROLS: MODELS ZT4200 AND ZT5000 15 31 32 18 15 31 7 21 23 18 3 22 18 35 5 38 25 21 4 6 40 11 2 36 39 27 8 35 17 32 37 36 5 29 18 16 42 30 14 34 26 20 12 9 35 1 41 13 19 35 24 4 20 34 17 33 16 19 8 41 10 40 28 37 19 14 10
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OPERATOR’S CONTROLS: MODELS ZT4200 AND ZT5000 REF. PART NO. NUMBER DESCRIPTION QTY. 1 603-04160B Shaft Assembly, Deck Lift ................... 1 2 603-04322 Lever, Lapbar, RH ............................... 1 3 603-04324 Lever, Lapbar, LH ............................... 1 4 647-04099 Shaft, Control ...................................... 2 5 703-05387A Bracket, Lapbar Pivot .......................... 2 6 703-05396 Handle, Brake ..................................... 1 7 703-05414A Bracket, Front
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MOWER DECK: MODEL ZT4200 ONLY 17 47 3 9 27 45 44 39 46 42 46 5 44 33 11 40 3 35 43 24 4 5 34 33 28 40 22 2 1 16 38 16 29 23 31 6 19 21 30 41 36 12 26 7 32 13 15 14 41 20 18 7 7 26 8 25 17 37 17 10 12
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MOWER DECK: MODEL ZT4200 ONLY REF. PART NO. NUMBER DESCRIPTION QTY. 1 603-04156 Bracket, Deck Lift ............................. 1 2 603-04335C Housing, Deck .................................. 1 777S32599 Graphic, Danger ............................ 1 777S30503 Graphic, Danger ............................ 1 777I22281 Graphic, Instruction ....................... 1 777D09788 Graphic, Deck Wash ..................... 1 777D10798 Graphic, 42" Wide Cut ................... 1 3 618-0659 Spindle Assembl
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MOWER DECK: MODEL ZT5000 ONLY 17 3 44 51 41 42 48 20 47 23 34 49 43 4 9 45 26 13 11 49 37 47 8 31 50 21 8 8 35 36 29 46 29 36 2 11 5 36 22 38 1 2 16 30 16 16 12 32 16 18 15 16 25 24 39 27 6 10 12 33 40 7 10 16 10 17 28 14 19 33 17 33 17 14
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MOWER DECK: MODEL ZT5000 ONLY REF. PART NO. NUMBER DESCRIPTION QTY. 1 603-04328 Housing, Deck ......................................... 1 777S32598 Graphic, Danger ................................... 1 777S30503 Graphic, Danger ................................... 1 777I22282 Graphic, Instruction .............................. 1 777D09788 Graphic, Deck Wash ............................ 1 777D10800 Graphic, 50" Wide Cut ......................... 1 2 618-04126A Spindle Assembly ...................
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ENGINE CONNECTIONS: MODEL ZT4200 ONLY 25 7 30 28 12 10 24 19 22 18 10 29 3 13 14 1 5 6 17 31a 8 33 23 31 32 9 15 6 10 2 15 9 20 27 34 16 4 26 21 11 16
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ENGINE CONNECTIONS: MODEL ZT4200 ONLY REF. PART NO. NUMBER DESCRIPTION QTY. 1 603-04176A Tube, Exhaust .................................. 1 2 703-05441A Bracket, Muffler Mounting ................. 1 3 703-05870 Shield, Muffler Tube Heat ................. 1 4 710-0227 Screw, Hex Wash. Hd. Tapp ............ 3 #8-18 x .5 5 710-04261 Screw, Hex Wash. Hd. Tapp ............ 2 #12-16 x .5 6 710-0599 Screw, Hex Wash. Hd. Tapp ............ 4 1/4-20 x .5 7 710-0726 Screw, Hex Wash. Hd. Tapp ............
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ENGINE CONNECTIONS: MODEL ZT5000 ONLY 8 28 33 26 31 12 20 21 32 24 14 13 34a 16 27 6 35 36 34 18 2 18 11 1 9 3 9 22 11 7 15 30 10 10 37 17 15 25 19 4 29 23 5 18
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ENGINE CONNECTIONS: MODEL ZT5000 ONLY REF. PART NO. NUMBER DESCRIPTION QTY. 1 603-04162 Tube, Exhaust RH ............................ 1 2 603-04163 Tube, Exhaust LH ............................. 1 3 703-05441A Bracket, Muffler Mounting ................. 1 4 710-0227 Screw, Hex Wash. Hd. Tapp ............. 3 #8-18 x .5 5 710-04248 Screw, Hex Cap, 7/16-20 x 4.0 GR5 1 6 710-04261 Screw, Hex Wash. Hd. Tapp ............. 2 #12-16 x .5 7 710-0599 Screw, Hex Wash. Hd. Tapp ............. 4 1/4-20 x .5
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DRIVE: MODELS ZT4200 AND ZT5000 8 7 12 8 1 11 18 14 18 10 2 17 16 11 4 13 4 1 3 17 15 5 10 9 6 7 5 6 12 REF. PART REF. PART NO. NUMBER DESCRIPTION QTY. NO. NUMBER DESCRIPTION QTY. 1 618-04317 Hub, Wheel ...................................... 2 5 710-0176 Screw, Hex Cap, 5/16-18 x 2.75 GR5 4 710-0852 Stud, Rib Neck, 7/16-14 x 1.6 ....... 8 6 710-0395 Screw, Hex Cap, 5/16-18 x 2.25 GR5 2 2 618-04431 Transmission Assembly, LH - Before 1 7 710-3119 Screw, Hex Cap Lock, ...................... 2 Mfg.
