Toro 30524 Parts Catalogue
Form No. 3328-358
Mid–Size Mower
ProLine Hydro 15hp with 36in Side Discharge
Mower
Model No. 30524—230000001 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 — 2002
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.
3328–358
Contents
Description Page Description Page
Engine and Fuel System Assembly 3. . . . . . . . . .
Transmission and Drive Pulley Assembly 4. . . . .
Linkage Assembly 5. . . . . . . . . . . . . . . . . . . . . . . . .
Wheel Drive Assembly 6. . . . . . . . . . . . . . . . . . . . .
Hydraulic Assembly 7. . . . . . . . . . . . . . . . . . . . . . . .
Lower Control Assembly 8. . . . . . . . . . . . . . . . . . .
Upper Handle Assembly 9. . . . . . . . . . . . . . . . . . . .
Electrical Assembly 11. . . . . . . . . . . . . . . . . . . . . . . .
Deck Assembly 12. . . . . . . . . . . . . . . . . . . . . . . . . . .
Front Castors, Belt Tension, and
Blade Brake System Assembly 13. . . . . . . . . . . .
Spindle, Blade and Belt Assembly 15. . . . . . . . . . .
Cylinder/Crankcase Assembly
Kawasaki FH451V–BS04 16. . . . . . . . . . . . . . . . .
Piston/Crankshaft Assembly
Kawasaki FH451V–BS04 17. . . . . . . . . . . . . . . . .
Valve/Camshaft Assembly
Kawasaki FH451V–BS04 18. . . . . . . . . . . . . . . . .
Lubrication Equipment Assembly
Kawasaki FH451V–BS04 19. . . . . . . . . . . . . . . . .
Cooling Equipment Assembly
Kawasaki FH451V–BS04 20. . . . . . . . . . . . . . . . .
Electric Equipment Assembly
Kawasaki FH451V–BS04 21. . . . . . . . . . . . . . . . .
Control Equipment Assembly
Kawasaki FH451V–BS04 22. . . . . . . . . . . . . . . . .
Carburetor Assembly
Kawasaki FH451V–BS04 23. . . . . . . . . . . . . . . . .
Air Filter/Muffler Assembly
Kawasaki FH451V–BS04 24. . . . . . . . . . . . . . . . .
Fuel Tank/Fuel Valve Assembly
Kawasaki FH451V–BS04 25. . . . . . . . . . . . . . . . .
Starter Assembly
Kawasaki FH451V–BS04 26. . . . . . . . . . . . . . . . .
Label Assembly
Kawasaki FH451V–BS04 27. . . . . . . . . . . . . . . . .
Accessories
Description Model / Part No. Description Model / Part No.
Recycler Kit 30142. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bagging Kit 30198. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Low Sail Blades 103–2508. . . . . . . . . . . . . . . . . . . . . . .
Parking Brake 106–2746. . . . . . . . . . . . . . . . . . . . . . . . .
Atomic Blade 104–8590. . . . . . . . . . . . . . . . . . . . . . . . .
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. . . . . . . . . . . . . . . . .
2
3328–358
2
1
3
4
5
6
7
4
20
19
18
17
16
12
13
Engine and Fuel System Assembly
DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.
1 1–323551 1 Tank–Fuel
2 1–513508 1 Cap–Fuel
3 1–633023 2 Stud
4 3256–23 4 Washer–Flat
5 1–633349 2 Spring–Tank, Fuel
6 3296–47 2 Nut–Lock, NI
7 1–303077 4 Clamp–Line, Fuel
8 1 Engine–Kawasaki,
Fh451v–Bs04
9 63–8440 1 Decal–Surface, Hot
10 3290–357 2 Nut–HHF
11 323–13 1 Screw–HH
12 103–1966 1 Adapter
13 103–1965 1 Valve–Drain, Oil
14 1–303022 1 Hose–Line, Fuel
15 1–603770 1 Valve–Fuel
16 1–603955 1 Hose–Line, Fuel
17 1–543277 1 Elbow–Tank, Fuel
18 1–513645 1 Bushing–Valve, Fuel
19 322–3 2 Screw–HH
20 1–805005 2 Washer–Lock
15
14
11
8
9
10
10
Sheet No.:2
Not serviced separately
3
3328–358
34
31
21
23
20
19
18
22
30:1
30:1
33
32
21
36
16
14
13
24
28
6
23
25
11
26
17
41
42
39
25
1
2
3
23
27
29
30
9
10
12
26
4
5
1
6
7
8
40
26
Sheet No.:3
Transmission and Drive Pulley Assembly
DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.
1 1–807259 2 Key
2 1–653035 1 Sheave W/Hub
3 1–603843 1 Pulley–Idler
4 1–523157 2 Washer–Spacer
5 103–1668 1 Sheave
6 1–373034 3 Washer
7 1–603610 2 Washer–Spring
8 3212–6 1 Screw–HH
9 3231–29 1 Screw–CARR
10 1–323365 1 Chain–Link, Twist
11 3256–14 1 Washer–Flat
12 1–809069 1 Screw–Cap HH
13 323–12 1 Screw–HH
14 3253–5 1 Washer–Lock
16 302–19 1 Fitting–Grease
17 1–603402 1 Spring–Extension
18 322–5 1 Screw–HH
19 1–603801 1 Anchor–Spring
20 32128–20 6 Nut–HF
21 1–803050 4 Screw–Set
22 106–2740 1 V–Belt–Hydro Drive
23 1–807272 2 Key–Machine
24 1–413010 2 Sheave W/Hub
25 3256–24 2 Washer–Flat
26 3290–357 7 Nut–HHF
27 3296–2 1 Nut–Lock
28 1–603044 1 Bushing
29 1–603496 1 Bushing–Idler
30 1–602521 1 Idler Arm ASM
30:1 1–513034 2 Sleeve–Bearing
31 103–1796 1 Cable–Choke
32 32128–33 2 Nut–HF
33 103–1797–01 1 Bracket–Cable, Choke
34 321–3 2 Screw–HH
36 98–0776 1 Decal–Caution
39 323–4 2 Screw–HH
40 1–413497 1 Bellcrank
41 95–2814 1 Decal–Shut Off, Fuel
42 323–7 1 Screw–HH
4
12
22
21
23
24
24
20
3328–358
13
3
1
2
27
6:2
25
4
5
6
6:2
10
18
12
26
7
17
8
9
15
16
8
11
13
14
12
13
Linkage Assembly
DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.
1 1–513051 1 Switch–Open,
Normally
2 1–804002 2 Nut–SQH
3 3296–39 1 Nut–Lock, NI
4 1–412501–03 1 Lever–Parkbrake
5 1–303020 1 Grip–Lever
6 1–414504 1 Bracket ASM
6:2 1–413347 2 Sleeve–Bushing
7 1–413344 1 Bushing–Pivot
8 1–805259 2 Washer–Flat
9 323–10 1 Screw–HH
10 1–803028 2 Screw
11 1–413496 1 Linkage–Upper
12 3290–357 5 Nut–HHF
13 1–806003 3 Pin–Hair
14 323–9 2 Screw–HH
15 1–303548 1 Bushing–Plastic
16 1–414508 1 Bellcrank ASM
17 3272–10 1 Pin–Cotter
18 1–633131 1 Yoke–Linkage, Brake
19 1–413489 1 Linkage–Lower
20 103–2085–03 1 Brake
21 3218–3 1 Nut–Jam
22 322–6 1 Screw–HH
23 1–323161 1 Spring–Idler
24 1–809001 2 Nut–Whizlock
19
Sheet No.:4
25 1–808285 1 Pin–Clevis
26 32128–21 1 Nut–HF
27 323–4 3 Screw–HH
5
3328–358
3
11
9
10
8
7
6
5
4
1
2
12
11
19
7
1
20
20:3
21
22
15
1
18
16
17
1
30
26
23
31
31:1
31:2
5
25
26
27
28
29
14
13
1
40
Wheel Drive Assembly
DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.
1 3290–357 8 Nut–HHF
2 323–11 1 Screw–HH
3 103–2056 1 Shield–Drag
4 322–3 2 Screw–HH
5 323–13 4 Screw–HH
6 1–413510 2 Clip–Loom
7 3296–29 3 Nut–Lock, NI
8 103–2908–01 1 Deck–Rear
9 322–6 2 Screw–HH
10 1–322090–01 1 Bellcrank
11 1–806003 3 Pin–Hair
12 1–323172 1 Linkage–Engage,
Blade
13 321–3 2 Screw–HH
14 3290–500 2 Screw–PPH
15 1–323213 1 Bracket–Switch, Blade
16 32128–33 2 Nut–HF
17 1–513051 1 Switch–Open,
Normally
18 3296–2 2 Nut–Lock
19 3256–23 5 Washer–Flat
20 1–322108 1 Bellcrank ASM
20:3 302–40 1 Fitting–Grease
21 1–809062 1 Screw
22 32128–20 6 Nut–HF
23 322–7 3 Screw–HH
1
39
38
37
36
25 1–322110 1 Guide–Belt
26 1–303334 4 Washer–Spring
27 322–9 1 Screw–HH
28 103–2289–01 2 Mount–Motor
29 3234–12 8 Screw–HHF
30 1–602997 2 Hub W/Studs
31 2 Wheel & Tire ASM
31:1 1–413474 1 Tire–Turfmaster
31:2 1–603715 1 Wheel–Rim
32 242–50 8 Nut–Lug
33 1–807019 2 Key–Woodruff
34 1–806800 2 Pin–Cotter
35 1–803040 2 Nut–Slotted
36 323–6 8 Screw–HH
37 98–5975 8 Washer–Belleville
38 1–323366 1 Ring–Split
39 3296–39 1 Nut–Lock, NI
40 323–23 1 Screw–HH
32
33
34
35
Sheet No.:5
6
3328–358
3
2:1
2
7
3
15:2
15
15:1
16
15
30
7:2
7
7:1
6
1
31
29
2:1
4
2
5
14
6:1
28
7
11:1
11:2
6
10
17
26
25
27
23
13:1
24
13
15
14
18
20
19
11
34
12:1
12
14
15:2
15
15:1
16
Sheet No.:6
1
31
28
14
6:1
33
32
Hydraulic Assembly
DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.
1 3290–357 4 Nut–HHF
2 1–513840 2 Fitting–90
2:1 237–42 1 O–Ring
3 1–403102 4 Hose–Pressure, High
4 1–801063 2 Screw
5 1–613042 2 Pump
6 1–603989 2 Fitting
6:1 237–78 1 O–Ring
7 1–603990 4 Fitting–Straight
7:1 237–79 1 O–Ring
7:2 1–603992 1 O–Ring
10 321–15 2 Screw–HH
11 103–1946 1 Reservoir–HYD
11:1 103–1948 1 Cap–Reservoir, HYD
11:2 103–1949 1 Gasket–Cap
12 103–1801 1 Adapter–Straight
12:1 237–42 1 O–Ring
13 103–1807 1 Elbow–45
13:1 237–42 1 O–Ring
14 103–1988 4 Clamp–Hose
15 1–603991 4 Fitting–Straight
15:1 237–80 1 O–Ring
15:2 1–603992 1 O–Ring
16 1–603718 2 Motor–Wheel
17 103–2889 1 Filter Head ASM
18 321–3 2 Screw–HH
19 1–633750 1 Filter–HYD
20 1–805004 2 Washer–Lock
23 103–2959 1 Hose–Charge
24 103–1716 1 Clamp–Hose
25 32128–33 2 Nut–HF
26 103–2191 2 Spacer
27 3256–22 2 Washer–Flat
28 323–7 4 Screw–HH
29 103–2057 1 HYD Hose ASM
30 103–2073 1 HYD Hose ASM
31 3256–3 8 Washer–Flat
32 1–613073 2 Grip–Valve, Dump
33 3296–42 2 Nut–Lock, NI
34 1–523552 1 Decal–Tank, HYD
7
3328–358
4
8
7
6
5
4
3
2
9
10
1
2
13
11
12
29
15
34
45
23
23
24
1
34
15
27
1
1
32
1
28
26
25
21
19
34
44
47
44
22
37
34
Lower Control Assembly
DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.
1 32128–20 12 Nut–HF
2 3290–357 8 Nut–HHF
3 1–323197–01 4 Spacer–Shield
4 323–16 7 Screw–HH
5 3256–2 6 Washer–Flat
6 1–805005 4 Washer–Lock
7 322–3 4 Screw–HH
8 302–19 2 Fitting–Grease
9 1–413201–01 2 Shield–Controls,
Hydro
10 1–323195–01 4 Spacer–Shield
11 1–809056 2 Screw
12 3256–24 2 Washer–Flat
13 1–633102 2 Bearing–Flange, Side
14 1–806003 2 Pin–Hair
15 3219–2 7 Nut–Hex
16 1–603735 2 Bushing–Flanged
17 1–603807 2 Spring–Return,
Neutral
18 1–603737 2 Bolt–Return, Neutral
19 1–413350 2 Link–Control, Speed
20 103–1191–01 1 Shaft–Control, RH
21 1–803022 2 Screw
22 1–403180 2 Screw–HH
23 3296–29 4 Nut–Lock, NI
24 103–1190–01 1 Shaft–Control, LH
20
21
46
45
12
11
38
39
34
40
34
15
19
18
17
16
5
15
41
42
43
14
25 322–6 2 Screw–HH
26 1–603693 2 Spring–Extension
27 103–1235 2 Swivel–Lever, Drive
28 1–613089 2 Tab–Spring, Extension
29 1–800016 2 Bolt–TAP HH
32 1–413219 2 Rod–Lever, Drive
34 3256–23 7 Washer–Flat
37 1–412203–01 1 Crank–Control, Speed
38 1–413151 1 Knob–Tracking
39 1–603903 1 Spacer
40 1–323245 1 Spring–Compression
41 3220–2 2 Nut
42 1–303105 2 Yoke–Adjustable
43 1–808280 2 Pin–Clevis
44 3272–5 2 Pin–Cotter
45 1–603676 2 Swivel–Adjustable,
Short
46 105–4109 1 Decal–Tracking
47 32151–47 2 Ring–Retaining
Sheet No.:7
8
7
9
3328–358
46
47
48
19
45
44
30
50
42
51
52
53
43
49
42
54
41
40
38
3
1
35
33 LH
34 RH
32
8
10
4
14
1:2
13
1:5
1:7
5
6
1:4
36
31
1:6
29
28
2
1:2
1:3
30
39
32
37
15
18
16
11
19
22:2
21:2
9
17
21 LH
22 RH
27
26
12
8
22:2
21:2
23
24
19
25
19
Upper Handle Assembly
DescriptionPart No. Qty.Ref. No. DescriptionPart No. Qty.Ref. No.
1 106–2732 1 Handle ASM
1:2 105–4110 2 Decal–Lock, Neutral
1:3 106–2738 1 Decal–Warning
1:4 106–2733 1 Decal–Throttle
1:5 106–2735 1 Decal–Proline
1:6 95–5537 1 Decal–Engage, Deck
1:7 106–2743 1 Decal–Caution, Brake
2 1–403121 1 Switch–Key
3 63–8360 1 Key–Ignition
4 1–323134 1 Knob–Push/Pull
5 3218–2 1 Nut–Jam
6 1–323143 1 Bearing–Nylon
7 1–412183–03 1 Lever–LH
8 1–803322 2 Screw–Set
9 1–303365 2 Bushing–Nylon
10 1–303363 1 Spring–Extension
11 106–2717–03 1 Operator Presence
Control Rod ASM
12 1–412185–03 1 Lever–RH
13 1–323142 1 Nut–Push
14 1–513592 1 Knob–Ball
15 1–633696 1 Cable–Throttle
16 1–807513 2 Bolt–CARR
17 3296–2 2 Nut–Lock
18 1–323181 1 Linkage–Blade
19 1–806003 3 Pin–Hair
Sheet No.:8
21 103–0218 1 LH Drive Lever ASM
21:2 1–413152 2 Sleeve–Bushing
22 103–0219 1 RH Drive Lever ASM
22:2 1–413152 2 Sleeve–Bushing
23 1–603749 2 Bushing–Lever, Drive
24 321–9 2 Screw–HH
25 1–613055 2 Pin–Clevis
26 323–6 4 Screw–HH
27 98–5975 4 Washer–Belleville
28 3290–357 4 Nut–HHF
29 3296–42 2 Nut–Lock, NI
30 32128–33 4 Nut–HF
31 3256–2 2 Washer–Flat
32 1–303435 6 Washer–Spring
33 1–413148 1 Latch–Lever, LH Drive
34 1–413150 1 Latch–Lever, RH Drive
35 321–10 2 Screw–HH
36 74–0720 1 Tube–Manual
37 2412–120 2 R–Clamp
38 32104–76 2 Screw
39 1–303019 2 Grip–Latch
40 322–10 2 Screw–HH
41 1–603716 1 Washer–Friction
42 1–323244 2 Washer–Friction
43 1–603730 1 Plate–Lever, Shifter
44 106–2748 1 Lever–Shift
9
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