Toro 74197 Parts Catalogue
Form No. 3329–843
Z153
Z Master with 52in SFS Side Discharge Mower
Model No. 74197—230007001 and Up
Parts Catalog
Ordering Replacement Parts
To order replacement parts, please supply: the part
number, the quantity, and the description of each
part desired.
Understanding Reference Numbers
Each identified part in an illustration has a reference
number. The reference number for a part also appears in
the parts list, along with other information about the part.
This catalog uses two special reference number formats,
one to indicate parts in a service assembly and another
to indicate the quantity of a given part in an illustration.
Service Assembly Reference Numbers
Parts in service assemblies have reference numbers in
the form a:b.
the entire service assembly and the b represents a
sequential number unique to each part within the service
assembly.
The a represents the reference number of
The TORO Company — 2003
All Rights Reserved
For example, a wheel assembly might be identified by
reference number 6, the tire by 6:1, the valve by 6:2,
and the wheel by 6:3. When you order the assembly
identified by reference number 6, you receive all parts
identified by reference numbers 6:1, 6:2, and 6:3.
However, you may also order any part individually.
Reference numbers of this type appear in illustrations
and in part lists.
Reference Numbers Indicating Quantity
In an illustration, if a reference number indicates more
than one part, the reference number has the form nX y.
The n represents the quantity of the part, the X is the
multiplication symbol, and the y represents the reference
number.
For example, in an illustration, the reference number
2X 37 means that two of the parts identified by reference
number 37 are indicated.
3329–843
Contents
Description Page Description Page
Front Frame Assembly 4. . . . . . . . . . . . . . . . . . . . .
Caster Wheel Assembly No. 1–634662 5. . . . . . .
Front Spring Assembly No. 103–1987 6. . . . . . . .
Height of Cut Assembly 7. . . . . . . . . . . . . . . . . . . .
Main Frame Assembly 8. . . . . . . . . . . . . . . . . . . . .
Seat Assembly No. 1–633705 9. . . . . . . . . . . . . . .
Fuel System Assembly 10. . . . . . . . . . . . . . . . . . . . .
Parking Brake System Assembly 11. . . . . . . . . . . .
Motion Control System Assembly 12. . . . . . . . . . . .
Hydraulic System Assembly 13. . . . . . . . . . . . . . . .
Pump, Idler and Belt Assembly 15. . . . . . . . . . . . . .
Engine and Clutch Assembly 16. . . . . . . . . . . . . . . .
Deck Assembly 17. . . . . . . . . . . . . . . . . . . . . . . . . . .
Deck and Deflector Assembly No. 106–5876 18. .
Deck Spindle Assembly 19. . . . . . . . . . . . . . . . . . . .
Idler, Pulley/Lift Strut, Chain Assembly 20. . . . . . .
Electrical System Assembly 21. . . . . . . . . . . . . . . . .
Electrical Schematic 22. . . . . . . . . . . . . . . . . . . . . . .
Crankshaft Assembly
Kohler CV23S PS75560 23. . . . . . . . . . . . . . . . . .
Crankcase Assembly
Kohler CV23S PS75560 24. . . . . . . . . . . . . . . . . .
Crankcase Assembly (Continued)
Kohler CV23S PS75560 25. . . . . . . . . . . . . . . . . .
Oil Pan/Lubrication Assembly
Kohler CV23S PS75560 26. . . . . . . . . . . . . . . . . .
Head/Valve/Breather Assembly
Kohler CV23S PS75560 27. . . . . . . . . . . . . . . . . .
Head/Valve/Breather Assembly (Continued)
Kohler CV23S PS75560 28. . . . . . . . . . . . . . . . . .
Ignition/Electrical Assembly
Kohler CV23S PS75560 29. . . . . . . . . . . . . . . . . .
Blower Housing Assembly
Kohler CV23S PS75560 30. . . . . . . . . . . . . . . . . .
Starter Assembly
Kohler CV23S PS75560 31. . . . . . . . . . . . . . . . . .
Fuel System Assembly
Kohler CV23S PS75560 32. . . . . . . . . . . . . . . . . .
Engine Control Assembly
Kohler CV23S PS75560 33. . . . . . . . . . . . . . . . . .
Air Intake/Filtration Assembly
Kohler CV23S PS75560 34. . . . . . . . . . . . . . . . . .
Exhaust Assembly
Kohler CV23S PS75560 35. . . . . . . . . . . . . . . . . .
Accessories
Description Model / Part No. Description Model / Part No.
52” Deck Recycler Kit 59225. . . . . . . . . . . . . . . . . . . . . .
52” Mulching Kit 59227. . . . . . . . . . . . . . . . . . . . . . . . . . .
52” Striping Kit 30121. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Blade Assembly–Atomic 18
(3 required for improved mulching) 104–1301. . . . .
Seat–Suspension, High 99–8522. . . . . . . . . . . . . . . . .
Twin Bagger Finishing Kit 78497. . . . . . . . . . . . . . . . . . .
DFS Boot and Tube Kit 78493. . . . . . . . . . . . . . . . . . . . .
High Sail Blades
(3 required for improved bagging) 56–2390. . . . . .
Z–Stand Kit 105–1621. . . . . . . . . . . . . . . . . . . . . . . . . . .
Steel Bagger 30107. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hitch Kit 99–8924. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Twin Bagger Kit 78455. . . . . . . . . . . . . . . . . . . . . . . . . . .
DFS Bagger 78490. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filter Minder 99–4664. . . . . . . . . . . . . . . . . . . . . . . . . . .
2
Part Description Abbreviations
Part descriptions in this catalog may include the following abbreviations.
Abbreviation Meaning Abbreviation Meaning
AR as required. . . . . . . . . . . . . . . . .
ASM assembly. . . . . . . . . . . . . . . .
CARR carriage. . . . . . . . . . . . . .
DEG degrees. . . . . . . . . . . . . . . .
FH flat head. . . . . . . . . . . . . . . . .
GA gauge. . . . . . . . . . . . . . . . .
HF hex flange. . . . . . . . . . . . . . . . .
HH hex head. . . . . . . . . . . . . . . . .
HHF hex head flange. . . . . . . . . . . . . . . .
HLH hex lag head. . . . . . . . . . . . . . . .
HJ hex jam. . . . . . . . . . . . . . . . . .
HOC height-of-cut. . . . . . . . . . . . . . . .
HS hex socket. . . . . . . . . . . . . . . . .
HSBH hex socket button head. . . . . . . . . . . . . .
HSFH hex socket flat head. . . . . . . . . . . . . . .
HSH hex socket head. . . . . . . . . . . . . . . .
HWH hex washer head. . . . . . . . . . . . . . .
HWHTF hex washer head. . . . . . . . . . . . .
thread forming
HYD hydraulic. . . . . . . . . . . . . . . .
INC incorporated. . . . . . . . . . . . . . . . .
LH left hand. . . . . . . . . . . . . . . . .
NI nylon insert. . . . . . . . . . . . . . . . . .
PPH Phillips pan head. . . . . . . . . . . . . . . .
PTH Phillips truss head. . . . . . . . . . . . . . . .
PTO power take off. . . . . . . . . . . . . . . .
RH right hand. . . . . . . . . . . . . . . . .
SFH slotted fillister head. . . . . . . . . . . . . . . .
SHH slotted hex head. . . . . . . . . . . . . . . .
SQH square head. . . . . . . . . . . . . . . .
SHWH slotted hex washer head. . . . . . . . . . . . . .
SPH slotted pan head. . . . . . . . . . . . . . . .
SRH slotted round head. . . . . . . . . . . . . . . .
STD standard. . . . . . . . . . . . . . . .
TAP self tapping. . . . . . . . . . . . . . . .
TTH Torx truss head. . . . . . . . . . . . . . . .
WH wing head. . . . . . . . . . . . . . . . .
3329–843
3
3329–843
9
11:3
8
7
6
5
38
5
4
3
10
11
11:2
11:4
12
14
15
36
16
17
18
22
13
20:2
13:4
14
13:3
13:2
21
15
9
19
20
23
24
22
33 LH
34 RH
25
1
18
21
36
Front Frame Assembly
DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.
1 1–634662 2 Caster Wheel ASM
3 1–632511–01 2 Caster
4 1–543511 2 Seal–Grease
5 254–94 4 Bearing–Cone, Taper
6 1–633508 6 Washer–Bellville
7 3296–51 2 Nut–Lock, NI
8 1–543513 2 Cap–Grease
9 322–3 6 Screw–HH
10 3256–23 4 Washer–Flat
11 106–6588 1 Floorpan ASM
11:2 1–633553 1 Pad–Antiskid
11:3 1–633737 1 Decal
11:4 106–6571 1 Decal–Danger, Slope
12 1–653049 1 Hinge–Floorpan
13 99–3930 1 Footrest ASM
13:2 99–3924 1 Decal–Service
13:3 98–5954 1 Decal–Missing, Cover
13:4 1–633553 1 Pad–Antiskid
14 3229–10 10 Screw–CARR
15 32128–33 10 Nut–HF
16 3230–1 2 Bolt–CARR
17 99–3870–01 2 Bracket–Floorpan
18 32128–20 8 Nut–HF
19 105–2625 1 Decal–STD, Safety
20 106–6581 1 Front Frame ASM
20:2 1–633818 1 Decal–Warning
35
31
18
Sheet No.:2
21 32151–103 6 Ring–Snap
22 3256–29 6 Washer–Flat
23 3290–357 12 Nut–HHF
24 98–5975 12 Washer–Belleville
25 323–7 12 Screw–HH
31 103–1987 2 Front Spring ASM
33 99–3871–01 1 LH Lift Arm ASM
34 99–3872–01 1 RH Lift Arm ASM
35 302–19 4 Fitting–Grease
36 1–811010 2 Plug
38 254–72 4 Bearing–Cup, Tapered
4
3329–843
7
2
3
4
5
1:1
6
1
Caster Wheel Assembly No. 1–634662
DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.
1 1–633582 1 Wheel And Tire ASM
1:1 1–633002 1 Tire
1:2 1–633583 1 Wheel
1:3 1–633584 2 Bearing–Cup
2 1–633581 2 Spacer–Bearing
3 1–633580 2 Seal–Bearing
4 1–633585 2 Bearing–Cone, Taper
5 1–633579 1 Spacer–Caster, Front
6 325–36 1 Screw–HH
7 3296–45 1 Nut–Lock, NI
1:2
1:3
4
3
2
Sheet No.:A1
C–3038
5
3329–843
3
2
4
5
1
6
7
3
4
3
2
3
Sheet No.:A2
C–3039
Front Spring Assembly No. 103–1987
DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.
1 1–653011 1 Rod–Lift, Deck
2 1–633441 2 Swivel–Deck Mount,
Rear
3 3217–11 4 Nut–Hex
4 3218–6 2 Nut–Jam
5 1–805517 1 Washer
6 1–653009 1 Spring–Compression
7 3256–27 1 Washer–Flat
6
3329–843
26
9
15
10
2
1
7
6
5
23
3
22
11
3
14
8
4
12
13
19
4
20
4
3
20
16
17
18
21
Height of Cut Assembly
DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.
1 323–9 1 Screw–HH
2 32151–103 1 Ring–Snap
3 3290–357 5 Nut–HHF
4 3296–39 3 Nut–Lock, NI
5 1–652235–01 1 Plate–Lift, Deck
6 1–633080 1 Bushing–Lever, Lift
7 1–653230–01 1 Plate–Lift, Deck
8 1–806005 1 Pin–Hair
9 323–6 1 Screw–HH
10 323–13 1 Screw–HH
11 1–633082 1 Bushing–Lever, Lift
12 103–2078–03 1 Handle–Lift
13 1–633295 1 Grip–Lever, Lift
14 1–633097 1 Pin–Hitch W/Lanyard
15 302–19 1 Fitting–Grease
16 103–1918 2 Bushing
17 106–6598–03 1 Lift Arm ASM
18 1–633325 1 Spring–Compression
19 3256–24 1 Washer–Flat
20 1–633068 2 Arm–Lift, Deck
21 323–29 2 Screw–HH
22 1–653140 1 Decal–Deck Height,
Outer
23 1–653147 1 Decal–Deck Height,
Inner
26 323–8 1 Screw–HH
Sheet No.:3
7
3329–843
10
17
18
25
20
22
23
19
21
30
24
26
25:2
28
28:1
28:2
29
Sheet No.:4
16
14
11
5
5
33
27
36
15
10
10
7
12
33
13:2
13
9
4
6
8
2:2
2
32
5
31
3
2:3
2:4
32
5
1
Main Frame Assembly
DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.
1 1–513658 2 Bumper–Catcher,
Grass
2 106–6589 1 Console ASM
2:2 106–6586 1 Decal–Panel, Control
2:3 103–0262 1 Decal–Valve, Fuel
2:4 98–4387 1 Decal–Protection, Ear
3 103–3085 1 Control–Choke
4 1–807513 2 Bolt–CARR
5 322–5 3 Screw–HH
6 3256–23 2 Washer–Flat
7 1–513592 1 Knob–Ball
8 322–3 3 Screw–HH
9 1–653089–03 1 Bracket
10 32128–20 12 Nut–HF
11 103–3086 1 Control–Throttle
12 3296–2 2 Nut–Lock
13 105–6123 1 Console Frame ASM
13:2 103–1997 1 Decal–Console, Top
14 1–632187–03 1 Frame–Seat
15 323–39 2 Screw–HH
16 3296–29 1 Nut–Lock, NI
17 103–1731 1 Rod–Retainer, Seat
18 1–633705 1 Seat ASM
19 99–4693 1 Decal
20 2412–120 2 R–Clamp
21 104–7048 1 Cap–Housing
22 32104–76 2 Screw
23 104–7050 1 Housing–Manual
24 1–523420 2 Bumper
25 105–3649 1 Main Frame ASM
25:2 65–2690 2 Decal–Surface, Hot
26 3296–42 2 Nut–Lock, NI
27 1–633396 1 Clip–Loom
28 1–653159 2 Wheel And Tire ASM
28:1 1–653160 1 Tire
28:2 1–653161 1 Wheel
29 242–50 8 Nut–Lug
30 322–2 6 Screw–HH
31 100–3969 1 Decal
32 3256–3 2 Washer–Flat
33 3296–39 3 Nut–Lock, NI
36 3231–21 1 Screw–CARR
8
3329–843
2
7
17 10
1
3
13
14
17
5
10
9
6
Seat Assembly No. 1–633705
DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.
1 103–0290 1 Cushion–Seat, Bottom
2 104–7754 1 Cushion–Seat, Back
3 1–633710 2 Cushion–Armrest
4 105–3623 2 Channel–Armrest
5 1–543401 4 Spacer–Track
6 1–643255 1 Track–Seat
7 1–633859 1 Frame–Seat
8 105–3622 1 Bracket–Armrest, LH
9 105–3621 1 Bracket–Armrest, RH
10 321–30 11 Screw–HH
11 32128–20 4 Nut–HF
12 322–10 2 Screw–HH
13 3296–42 4 Nut–Lock, NI
14 32153–3 2 Nut–Lock
15 325–2 2 Screw–HH
16 3296–23 2 Nut–Lock, NI
17 3256–22 11 Washer–Flat
18 105–3620 1 Armrest Kit
11
17
10
16
17
12
4
15
10
8
Sheet No.:A3
18
C–3037
9
3329–843
20
20:3
7
16
21
3
12
3
4
5
10
11
7
10
9
Fuel System Assembly
DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.
1 106–9976 1 LH Fuel Tank ASM
1:2 103–2605 1 Fitting–Fuel, Bulkhead
2 106–9975 1 RH Fuel Tank ASM
2:2 103–2605 1 Fitting–Fuel, Bulkhead
3 3256–23 8 Washer–Flat
4 1–805005 4 Washer–Lock
5 322–3 4 Screw–HH
7 1–303077 6 Clamp
9 1–543296 2 Grommet
10 1–543526 2 Hose–Fuel
11 1–633347 1 Valve–Fuel
12 103–0216 1 Hose–Fuel
16 1–303335 1 Tie–Plastic
20 88–3980 2 Gas Cap ASM
20:3 88–4010 1 Gasket–Cap, Gas
21 1–633023 4 Stud
22 1–633349 4 Spring–Tank, Fuel
23 3296–47 4 Nut–Lock, NI
22
23
1 L H
2 RH
7
1:2
2:2
Sheet No.:5
10
3329–843
1
4
3
12
2
3
30
3
5
5
27
28
5
6
12
29
35
36
28
27
21
23
22
32
21
26
5
Parking Brake System Assembly
DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.
1 1–652073–03 1 Crank–Brake, Park
2 3272–10 2 Pin–Cotter
3 1–633131 4 Yoke–Linkage, Brake
4 1–808285 2 Pin–Clevis
5 3219–3 8 Nut–HH
6 103–0356 2 Rod–Brake
7 1–653068 4 Spacer–Wheel
9 325–13 8 Screw–HH
10 103–0355 2 Band–Brake
11 103–0590 2 Hub–Wheel
11:1 103–0589 1 Hub–Wheel
11:2 1–633926 4 Stud–Wheel
12 103–2399 2 Pin–Spring, Clevis
13 1–806800 2 Pin–Cotter
14 103–0374 2 Retainer–Band, Brake
15 103–0384 6 Spacer
16 322–9 6 Screw–HH
17 103–0352–03 2 Bracket–Brake
18 1–633144 2 Pin–Trunion
19 3256–4 4 Washer–Flat
20 1–633454 2 Spring–Brake
21 323–4 9 Screw–HH
22 1–653074–03 1 Handle–Brake, Park
23 1–633268 1 Grip–Lever, Brake
24 1–653069 4 Spacer–Wheel
25 3253–7 8 Washer–Lock
25
18
19
20
19
24
31
21
17
10
14
34
7
16
26 103–0131 8 Nut–Square
27 1–633102 4 Bearing–Flange, Side
28 3290–357 8 Nut–HHF
29 103–3116 1 Shaft–Brake, Parking
30 1–653061 1 Linkage–Handle,
Brake
31 1481 2 Fitting–Grease
32 98–5975 1 Washer–Belleville
33 1–523157 2 Washer–Spacer
34 1–523328 2 Motor–Wheel
34:1 1–809036 1 Nut–HH
34:2 3257–42 1 Key–Woodruff
*34:99 1–000099 1 Seal Kit
*34:99 1–000139 1 Bearing Kit
*34:99 103–2748 1 Drive Link Kit
35 32151–48 1 E–Ring
36 3256–28 1 Washer–Flat
34:2
9
11:1
11:2
11
3315
34:1
Sheet No.:6
13
* Not illustrated
11
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