White Outdoor ZT 4200 User manual

ZT 5000 w/50" Mower Deck
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
PRINTED IN U.S.A.
Warning:
This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-
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 effective working order by the operator.
In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have
similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized
service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-0019.
FORM NO. 769-02842
ZERO TURN TRACTOR
Model Numbers
(2/07)
ZT 4200 w/42" Mower Deck
Parts MANUAL

2
1
2
35
5
6
10
4
9
8
5
3
7
FRAME: MODELS ZT4200 AND ZT5000
REF.
NO.
PART
NUMBER DESCRIPTION QTY.
1 603-04303C
777I22489
777D10797
Frame Assembly ............................
Graphic, Release Lever ..............
Graphic, White Outdoor ..............
1
2
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 5.06 ......... 1
7 736-0300 Washer, Flat, .408 x .875 x .059 .... 1
8 738-04058 Spacer, Shoulder, .39 x 1.0 x .7 ..... 2
9 738-04162A Spacer, Shoulder, .884 x .19 ......... 1
10 756-04129 Pulley, Idler, 4.25 Dia. .................... 1
NOTE: For painted parts, please refer to the list of
color codes below. Please add the applicable color
code, wherever needed, to the part number to order
a replacement part.
For instance, if a part, numbered 700-xxxx, is paint-
ed red metalic, the part number to order would be
700-xxxx-0650.
Red : 0650
Oyster Grey: 0662
Powder Black: 0637

3
FRONT AXLE & WHEELS: MODEL ZT4200 ONLY
REF.
NO.
PART
NUMBER DESCRIPTION QTY.
1 603-04148C Axle, Front Pivot .......... 1
2 603-04308 Bracket, Castor Wheel 2
3 634-04237A Wheel Assembly, .........
11.0 x 4.0 x 5.0
2
4 710-04186 Screw, Hex Lock, .........
1/2-13 x 1.25 GR5
2
5 710-0514 Screw, Hex Cap, ..........
3/8-16 x 1.0 GR5
2
6 711-04228 Shaft, Axle ................... 1
7 712-3022 Nut, Hex Lock, .............
1/2-13 GRB
2
8 731-05500 Bearing, Flange, ..........
1.0 x 1.246
6
9 736-0169 Washer, Lock, 3/8 ........ 2
10 736-0227 Washer, Flat, ...............
.39 x 1.5 x .134 .........
2
11 736-0250 Washer, Flat, ................
1.0 x 1.75 x .107
2
12 737-3000 Fitting, Lube, 3/16 Drive 3
13 738-04182A Screw, Shoulder, ..........
.75 x 4.75:7/16-14
2
14 741-0516B Bearing, Flange, ...........
.76 x 1.0 x 1.2
2
15 741-0990B Bearing, Flange, ..........
.76 ID w/Lube Ftg.
2
2
1
3
4
13
5
6
7
910
11
12
14 15
2
3
4
7
13
8
8
11
12
8
8

4
FRONT AXLE & WHEELS: MODEL ZT5000 ONLY
REF.
NO.
PART
NUMBER DESCRIPTION QTY.
1 603-04370 Bracket, Castor Wheel ................... 2
2 603-04385 Axle, Front Pivot ............................ 1
3 634-04323A
734-04255
Wheel Assembly, 13 x 5-6 ............
Tire, 13 x 5-6 .............................
2
2
4 710-04186 Screw, Hex Lock, ..........................
1/2-13 x 1.25 GR5
2
5 710-04652 Screw, Hex Cap, 1/2-20 x 7.25 Gr5 2
6 710-0514 Screw, Hex Cap, 3/8-16 x 1.0 GR5 2
7 711-04228 Shaft, Axle ..................................... 1
8 712-3058 Nut, Hex Insert Lock, 1/2-13 GRB 2
9 731-05500 Bearing, Flange, 1.0 x 1.246 ......... 6
10 736-0169 Washer, Lock, 3/8 ......................... 2
11 736-0227 Washer, Flat, .39 x 1.5 x .134 ....... 2
12 736-0250 Washer, Flat, 1.0 x 1.75 x .10 ...... 2
13 737-3000 Fitting, Lube, 3/16 Drive ................. 3
14 750-04775A Spacer, .51 x .75 x 5.825 .............. 2
15 750-04792 Hub, .76 x 1.23 x .92 ..................... 4
2
1
3
4
5
6
9
10
13
14
15
7
13
8
11
12
4
9
9
15
9

5
SEAT ADJUSTMENT: MODELS ZT4200 AND ZT5000
REF.
NO.
PART
NUMBER DESCRIPTION QTY.
1 710-1268 Screw, Hx. Wash. Hd. Tapp ............
#10-16 x .375
2
2 712-04063 Nut, Hx Insert Flange Lck, ...............
5/16-18 GrF
2
3 712-04064 Nut, Hx Insert Flnge Lck, 1/4-20 GrF 1
4 720-0309A Grip, Seat Adjustment ..................... 1
5 726-0201 Nut, Speed, .3125 ........................... 2
6 731-04074 Spacer, Seat Adjustment ................ 4
7 732-0499 Spring, Compression, .41 x 1.5 ....... 1
8 732-1184 Spring, Extension, .84 Dia. x 4.6 ..... 1
9 736-0204 Washer, Flat, .344 x .62 x .033 ....... 1
10 736-3019 Washer, Flat, .531 x 1.062 x .134 HT 2
11 738-0137A Screw, Shoulder, .34 x .285:1/4-20 1
12 738-0296 Screw, Shoulder, .437 x .268:5/16-18 2
13 738-0966A Screw, Shoulder, .5 x .925:3/8-16 ... 4
14 783-0209D Bracket, Seat Lift ............................. 1
15 783-0611 Stop, Seat Adjustment .................... 1
16 783-0738D Bracket, Seat Pivot .......................... 1
17 783-0739A Lever, Seat Adjustment ................... 1
18 783-0753 Index Bracket, Seat Adjustment ...... 1
19 736-0242 Washer, Belleville, .34 x .872 x .06 2
REF.
NO.
PART
NUMBER DESCRIPTION QTY.
5
9
11
3
4
6
7
8
1
2
2
5
19
10
12
13
14
15
16
17
18
13
19

6
8
5
67
9
13
6
17
10
12
16
1
18
Section of Main Wire Harness
(Reference Only)
ELECTRICAL: MODELS ZT4200 AND ZT5000
21
3
4
19
11
14
15
15
4
2
20

7
ELECTRICAL: MODELS ZT4200 AND ZT5000
REF.
NO.
PART
NUMBER DESCRIPTION QTY.
1 710-0227 Screw, Hex Wash. Hd. Tapp ............
#8-18 x .5
2
2 710-0599 Screw, Hex Wash. Hd. Tapp, ...........
1/4-20 x .5
2
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
8 725-04228 Switch, Ignition .................................. 1
9 725-04232 Switch, 3-Pole, (NC-NO-NO) - Brake 1
10 725-1303 Switch, Outer Seat Spring ................ 1
11 725-1426A Solenoid ............................................ 1
12 725-1439 Switch, Inner Seat Spring ................. 1
13 925-1745 Key .................................................... 1
14 725-1707D Battery, 235 CCA .............................. 1
15 725-3166 Switch, Snap Mount (N.C.) - Reverse 2
16 726-0278 Plate, Insulator Boss ......................... 1
17 726-0279 Plate, Insulator .................................. 2
18 726-0470 Tie, Cable ......................................... 2
19 703-05894 Bracket, Battery Holddown ............... 1
20 731-0511-5 Strip, Trim ......................................... 4.5in
21 710-0653 Screw, Hex Wash. Hd. Tapp, ...........
1/4-20 x .375
2
† 725-04434 Harness Assembly, Wire .................. 1
† NOT SHOWN

8
OPERATOR’S PLATFORM: MODELS ZT4200 AND ZT5000
1
2
3
8
9
10
11
12
13
14
16 18
17
3
4
4
4
66
5
6
66
8
16
6
6
5
6
11
10
6
7
6
6
18
15
7
19
19 20
20
21
22
22

9
OPERATOR’S PLATFORM: MODELS ZT4200 AND ZT5000
REF.
NO.
PART
NUMBER DESCRIPTION QTY.
1 603-04326B
777I22769
777S32354
777I22770
Frame, Seat Box ...............................
Graphic, Park Brake .......................
Graphic, Warning ...........................
Graphic, Deck Height .....................
1
1
1
1
2 703-05373B
777D10796
Bracket, Foot Rest ............................
Graphic, Troy-Bilt ...........................
1
1
3 703-05467 Bracket, Switch Mounting .................. 2
4 710-04261 Screw, Hex Wash. Hd Tapp ..............
#12-16 x .50
4
5 710-0599 Screw, Hex Wash. Hd. Tapp. ............
1/4-20 x .5
4
6 710-0604A Screw, Hex Wash. Hd. Tapp .............
5/16-18 x .625
20
7 710-0726 Screw, Hex Wash. Hd. Tapp .............
5/16-12 x .75
4
8 710-0778 Screw, Hex Wash. Hd. Tapp. ............
1/4-20 x 1.5
2
9 710-1268 Screw, Hex Wash. Hd Tapp ..............
#10-16 x .375
2
10 712-0298 Nut, Hex Jam, 1/4-20 GR2 ................ 2
11 712-04092 Nut, U Type Speed, 1/4-20 ............... 2
12 723-04020 Pad, Foot ........................................... 1
13 731-04662C
777I22752
777I22751
777D10793
777D10795
777I22305
777I22309
Console, LH ......................................
Graphic, Instruction - ZT 4200 ........
Graphic, Instruction - ZT 5000 ........
Graphic, White Outdoor ZT 4200 ...
Graphic, White Outdoor ZT 5000 ...
Graphic, Throttle Control ZT 4200 ..
Graphic, Throttle Control ZT5000 ..
1
1
1
1
1
1
1
14 731-04663B
777I22754
777D10792
777D10794
Console, RH ......................................
Graphic, Instruction ........................
Graphic, White Outdoor ZT 4200....
Graphic, White Outdoor ZT 5000 ...
1
1
1
1
15 732-04035 Spring, Compression, 1.28 x 3.125 2
16 732-04200 Spring, Switch Actuator ..................... 2
17 757-04041 Seat ................................................... 1
18 783-1489C Bracket, Seat Pivot ............................ 2
19 736-0148 Washer, External Tooth, 3/8 ............. 3
20 712-04064 Nut, Hex Insert Lock, 1/4-20 - Model
ZT 5000 ONLY
2
21 738-0572 Screw, Shoulder, .374 x 1.16:1/4-20 -
Model ZT 5000 ONLY
2
22 710-1260A Screw, Hex Wash. Hd. Tapp .............
5/16-18 x .75
2

10
OPERATOR’S CONTROLS: MODELS ZT4200 AND ZT5000
3
1
38
2
4
6
8
7
33
13
14
15
18
17
20
22
21
23
25
27
31
28
30
32
35
34
41
39
37
26
5
8
14
15
16
18
18
18
19
19
19
20
31
32
35
35
41
37
40
40
36
35
11
16
29
12
21
10
36
17
9
24
4
5
42
34