Toro 20055 is the perfect choice for those who are looking for a high-quality, reliable lawn mower. The mower has a powerful engine that makes it easy to cut through even the thickest grass, and its durable construction ensures that it will last for many years to come.
The Toro 20055 is packed with features that make mowing your lawn a breeze. The mower’s adjustable cutting height allows you to choose the perfect length for your grass, and its mulching capabilities help to fertilize your lawn as you mow. The mower also features a large grass bag that collects clippings, so you don’t have to stop to empty it frequently.
Toro 20055 is the perfect choice for those who are looking for a high-quality, reliable lawn mower. The mower has a powerful engine that makes it easy to cut through even the thickest grass, and its durable construction ensures that it will last for many years to come.
The Toro 20055 is packed with features that make mowing your lawn a breeze. The mower’s adjustable cutting height allows you to choose the perfect length for your grass, and its mulching capabilities help to fertilize your lawn as you mow. The mower also features a large grass bag that collects clippings, so you don’t have to stop to empty it frequently.
Super Recycler
Parts Catalog
Form Number 3356-748 Rev A
Lawn Mower
®
© The Toro Company - 2006
All Rights Reserved
To order replacement parts, please supply the part
number, the quantity, and the description of each part
desired.
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.
Parts in service assemblies have reference numbers
in the form a:b. The a represents the reference
number of the entire service assembly and the b
represents a sequential number unique to each part
within the service assembly.
Ordering Replacement Parts
Understanding Reference Numbers
Service Assembly Reference Numbers
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.
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.
Reference Numbers Indicating Quantity
Register your product at www.Toro.com
Model No. 20055 - 270000001 and up.
Footnotes
Not illustrated
n
Not serviced separately
o
Obtain from your local Briggs & Stratton dealer
p
Included in Carburetor Overhaul Kit (Ref. No. 121)
q
Included in Engine Gasket Set (Ref. No. 358)
r
Included in Carburetor Gasket Set (Ref. No. 977)
s
Part Description Abbreviations
Part descriptions in this catalog may include the following abbreviations.
AR. . . . . . . . . . . . . . .as required
ASM. . . . . . . . . . . . . assembly
BBC. . . . . . . . . . . . . blade brake clutch
CARR. . . . . . . . . . . . carriage
DEG. . . . . . . . . . . . . degrees
EXT. . . . . . . . . . . . . .external
FH. . . . . . . . . . . . . . .flat head
GA. . . . . . . . . . . . . . .gauge
HD. . . . . . . . . . . . . . .heavy-duty
HF. . . . . . . . . . . . . . . hex flange
HH. . . . . . . . . . . . . . .hex head
HHF. . . . . . . . . . . . . hex head flange
HHFTF. . . . . . . . . . . hex head flange thread forming
HJ. . . . . . . . . . . . . . . hex jam
HLH. . . . . . . . . . . . . .hex lag head
HOC. . . . . . . . . . . . . height-of-cut
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
LH. . . . . . . . . . . . . . . left hand
NI. . . . . . . . . . . . . . . nylon insert
NPTF. . . . . . . . . . . . national pipe thread fine
PFH. . . . . . . . . . . . . .phillips flat head
PPH. . . . . . . . . . . . . phillips pan head
PPHTF. . . . . . . . . . . phillips pan head thread
forming
PRH. . . . . . . . . . . . . phillips round head
PTH. . . . . . . . . . . . . .phillips truss head
PTO. . . . . . . . . . . . . power-take-off
RH. . . . . . . . . . . . . . .right hand
ROPS. . . . . . . . . . . . roll-over protection system
SFH. . . . . . . . . . . . . .slotted fillister head
SHH. . . . . . . . . . . . . slotted hex head
SHWH. . . . . . . . . . . .slotted hex washer head
SPH. . . . . . . . . . . . . slotted pan head
SQH. . . . . . . . . . . . . square head
SRH. . . . . . . . . . . . . slotted round head
STD. . . . . . . . . . . . . .standard
TAP. . . . . . . . . . . . . .self tapping
TTH. . . . . . . . . . . . . .torx truss head
Contents
Description Page
. . . . . . 3Housing Assembly
. . . . . . 4Housing Assembly No. 112-8862
. . . . . . 5Height-of-Cut Assembly
. . . . . . 6Transmission Assembly
. . . . . . 7Gear Case Assembly No. 108-8140
. . . . . . 8Engine Assembly
. . . . . . 9Handle Assembly
. . . . . . 10Grass Bag Assembly
. . . . . . 11
Cylinder Assembly Briggs and Stratton
126T02-0206-E1
. . . . . . 12
Crankshaft Assembly Briggs and Stratton
126T02-0206-E1
. . . . . . 13
Crankcase Assembly Briggs and Stratton
126T02-0206-E1
Description Page
. . . . . . 14
Carburetor Assembly Briggs and Stratton
126T02-0206-E1
. . . . . . 15
Air Cleaner Assembly Briggs and Stratton
126T02-0206-E1
. . . . . . 16
Governor Assembly Briggs and Stratton
126T02-0206-E1
. . . . . . 17
Muffler and Fuel Tank Assembly Briggs and
Stratton 126T02-0206-E1
. . . . . . 18
Blower Housing Assembly Briggs and Stratton
126T02-0206-E1
. . . . . . 19
Starter Assembly Briggs and Stratton 126T02-
0206-E1
. . . . . . 20
Gasket Kit Briggs and Stratton 126T02-0206-
E1
. . . . . . 21
Carburetor Overhaul Kit Briggs and Stratton
126T02-0206-E1
. . . . . . 22Attachments and Accessories List
3356-748 Rev A
Housing Assembly
2
Ref Part No. Qty. Description
Door-Service1
108-8169
1
Decal-Warning1:1
105-1295
1
Screw-HWHTF2
49-2040
7
Nut-Speed3
3290-337
1
Plate-Support, Door4
107-7493
2
Plug-Mulch5
107-7490
1
Spring-Door, Rear6
105-3032
1
Shield-Trailing7
114-1586
1
Bracket-Cable, Traction8
107-7497
1
Cover-Belt9
107-7494
1
Rod-Support, Door10
107-7499
1
Discharge Door ASM11
107-3717
1
Latch-Door11:2
107-0795
1
Cap-Door11:3
107-7456
1
Screw-Plastite11:4
107-7461
1
Screw-HWH12
99-8445
2
Spring-Torsion13
99-5293
1
Rod-Cover14
99-5291
1
Bracket-Cover15
112-6416
1
Chute-Discharge, Side16
108-3753
1
Housing ASM18
112-8862
1
Tunnel-Discharge21
107-7495
1
Washer-Seal, Washout Port25
112-6438
1
Port-Washout26
112-6400
1
Ref Part No. Qty. Description
Coupling-Hose, Washout Port27
112-6401
1
Washer-Tooth28
3254-5
1
Nut-Jam29
3218-6
1
Decal-Washout Port30
112-8868
1
3
3356-748 Rev A
Housing Assembly No. 112-8862
A1
Ref Part No. Qty. Description
Kicker-Housing2
108-3798
2
Screw-PPH3
32144-111
4
Decal-Danger4
94-8072
1
Screw5
63-8590
3
Sheet-Lip6
105-1316-03
1
Decal-Placement, Foot7
108-8117
1
Decal-Washout Port, Trilingual8
112-8867
1
4
3356-748 Rev A
Height-of-Cut Assembly
3
Ref Part No. Qty. Description
Bolt-Shoulder1
92-1057
2
Wheel ASM2
107-3708
2
Bushing2:1
27-6250
2
Screw-Shoulder, HOC3
107-7498
2
Arm-Pivot4
107-7492
2
Arm-Spring5
107-7491
2
Knob-Lever, HOC6
105-3042
2
Nut7
603773
4
Screw-HWHTF8
49-2040
10
Plate-HOC10
107-7478
4
Washer11
40-1940
2
Spacer-Wheel13
52-2480
2
Washer-Flat15
3256-24
2
Decal17
108-8168
1
5
3356-748 Rev A
Transmission Assembly
4
Ref Part No. Qty. Description
Bolt-Shoulder1
92-1057
2
Wheel Gear ASM2
107-3709
2
Wheel ASM2:3 1
o
Bushing2:3:1
27-6250
2
Klipring-Locking3
65-2720
4
Washer-Thrust, Keyed4
65-4740
4
Key-Rocking, RH5
66-6040
1
n
Key-Rocking, LH6
66-6050
1
Ring-Friction7
65-4710
2
Pivot Arm ASM8
100-8774
2
Bushing8:2
47-2900
1
Bushing8:3
70-9760
1
Fitting-Grease8:4
302-56
1
Knob-Lever, HOC9
105-3042
2
Cap-End10
42-3520
2
Screw-HWHTF11
49-2040
3
Arm-Spring12
107-7491
2
Nut13
603773
2
Washer-Arm, Pivot14
65-4730
2
Washer-Clutch15
65-4760
2
Gear-Pinion16
65-4750
2
Spring-Compression17
65-4720
2
Cover-Wheel18
74-1660
2
Spacer-Cover, Wheel19
74-1671
2
Ref Part No. Qty. Description
V-Belt20
99-1597
1
Gear Case ASM21
108-8140
1
Bracket-Gearbox22
107-7483-03
1
Screw-HWHTF23
92-1616
1
Bushing-Plate, Actuator24
614673
1
6
3356-748 Rev A
Gear Case Assembly No. 108-8140
A2
Ref Part No. Qty. Description
Case-Gear1
104-7619
1
Cover-Case, Gear2
614668-03
1
Screw-HWH3
32144-4
4
Ring-Retaining4
32151-68
1
Washer-Flat5
3256-24
1
Pin-Groove6
3285-19
2
Nut-Lock7
3296-5
1
Washer8
36-4780
2
Washer-Thrust9
36-4791
2
Bushing10
60-8750
2
Bushing11
60-8850
2
Shaft-Intermediate12
614696
1
Pulley-Half13
100-1176
2
Bearing-Ball14
100-1048
1
Spacer15
62-6660
1
Gear-19T Spur, 37T Bevel16
104-1005
1
Gear-Pinion, Bevel17
104-7667
1
Gear-30T18
104-1004
1
Shaft-Output19
108-8141
1
7
3356-748 Rev A
Engine Assembly
5
Ref Part No. Qty. Description
Bolt-Blade1
105-8579
1
Accelerator-Blade2
105-6848-03
1
Blade Driver ASM3
106-3987
1
Spacer-Driver4
106-3999
1
Engine-Briggs & Stratton, 126T02-
0206-B1
7
1
op
Stop-Rope8
2210-316
1
Shield-Muffler9
104-7577-03
1
Screw-Taptite10
32144-1
3
Shield-Grass11
107-7489-03
1
Screw-Taptite12
95-1727
3
Guide-Belt13
108-8110-03
1
Decal-Recoil14
108-8130
1
Blade-Recycling15
108-3762-03
1
Decal-Engine17
114-0339
1
8
3356-748 Rev A
Handle Assembly
8
Ref Part No. Qty. Description
Bail-Brake1
104-8679-03
1
Handle-Control2
104-8678
1
Lever-Traction3
99-1589
1
Bar-Control, Traction4
99-1588
1
Guide-LH5
105-6842
1
Cable-Brake6
108-8157
1
Guide-Rope7
86-9671
1
Washer-Flat8
3256-23
1
Guide-RH9
105-6841
1
Decal-Handle10
108-8134
1
Screw11
95-4453
1
Anchor-Cable12
99-5239
1
Washer-Flat13
3256-1
1
Nut-Lock, NI14
3296-73
2
Cable-Traction15
108-8158
1
Support-Handle16
108-8145-03
2
Screw-HWHTF17
701243
4
Spacer-Coupling18
27-6600
4
Spring-Torsion19
104-8690
1
Knob-Locking20
108-8162
4
Washer21
55-9670
2
Screw-Handle22
92-2260
2
Handle-Lower23
107-7476-05
1
Screw-Handle24
92-2260
2
Ref Part No. Qty. Description
Screw-SHWH26
32144-53
1
Handle-Upper27
107-3783-05
1
Guide-Cable28
106-6805
1
Hook-Rope, Displacement30
108-9452
1
9
3356-748 Rev A
Grass Bag Assembly
11
Ref Part No. Qty. Description
Grass Bag ASM1
107-3789
1
Bag Frame ASM2
107-3785-03
1
10
3356-748 Rev A
Briggs and Stratton 126T02-0206-E1
E1
Cylinder Assembly
Ref Part No. Qty. Description
Cylinder ASM1
697322
1
p
Bushing/Seal Kit2
399269
1
p
Seal-Oil (Magneto Side)3
299819s
1
pr
Head-Cylinder5
691160
1
p
Gasket-Head, Cylinder7
692249
1
pr
Breather ASM8
695250
1
p
Gasket-Breather9
699472
1
p
Screw (Breather ASM)10
691125
1
p
Tube-Breather11
691781
1
p
Screw (Cylinder Head)13
690912
1
p
Manifold-Intake50
497465
1
p
Gasket-Intake51
272199s
1
pr
Screw (Intake Manifold)54
691650
1
p
Cylinder Shield306
690450
1
p
Screw (Cylinder Shield)307
690345
1
p
Plug-Spark337
802592s
1
p
Wrench-Spark Plug383
89838s
1
p
Washer (Governor Crank)404
690272
1
p
Cover-Passage, Breather584
697734
1
p
Gasket-Passage, Breather585
691879
1
pr
Retainer-Shaft, Governor615
690340
1
p
Crank-Governor616
698801
1
p
Boot-Spark Plug635
66538s
1
p
Screw (Breather Passage Cover)684
690345
1
p
Ref Part No. Qty. Description
Pin-Locating718
690959
1
p
Seat-Valve (Intake)869
691155
1
p
Seat-Valve (Exhaust)870
690380
1
p
Bushing-Guide (Exhaust)871
262001
1
p
Bushing-Guide (Intake)871
63709
1
p
Operator's Manual1058
MS3260
1
p
Repair Manual1330
270962
1
p
11
3356-748 Rev A
Briggs and Stratton 126T02-0206-E1
E2
Crankshaft Assembly
Ref Part No. Qty. Description
Crankshaft16
696009
1
p
Key-Flywheel24
222698s
1
p
Piston ASM (STD)25
790359
1
p
Piston ASM (.020 O S)25
791326
1
p
Ring Set (STD)26
790360
1
p
Ring Set (.020 O S)26
791324
1
p
Lock-Pin, Piston27
691866
1
p
Pin-Piston (STD)28
499423
1
p
Rod-Connecting (STD)29
499424
1
p
Screw (Connecting Rod)32
691664
1
p
Screw (Connecting Rod)32A
695759
1
p
Valve-Exhaust33
262651s
1
p
Valve-Intake34
262652s
1
p
Spring-Valve (Intake)35
691270
1
p
Spring-Valve (Exhaust)36
691270
1
p
Retainer-Valve40
692194
1
p
Tappet-Valve45
690548
1
p
Gear-Timing741
790345
1
p
Seal-Valve868
697338
1
p
12
3356-748 Rev A
Briggs and Stratton 126T02-0206-E1
E3
Crankcase Assembly
Ref Part No. Qty. Description
Sump-Engine4
493279
1
p
Gasket-Crankcase (.015 STD)12
692232
1
pr
Plug-Drain, Oil15
691680
1
p
Seal-Oil20
399781s
1
pr
Screw (Engine Sump)22
691092
1
p
Slinger-Governor, Oil43
691997
1
p
Camshaft46
691449
1
p
Short Block ASM48
792742
1
p
Screw (Dipstick Tube)287
690940
1
p
Dipstick523
499621
1
p
Seal, O-Ring (Dipstick Tube)524
692296
1
pr
Tube-Dipstick525
495265
1
p
Seal, O-Ring (Dipstick Tube)842
691031
1
pr
Dipstick Tube ASM847
692047
1
p
13
3356-748 Rev A
Briggs and Stratton 126T02-0206-E1
E4
Carburetor Assembly
Ref Part No. Qty. Description
Screw (Throttle Valve)95
691636
1
p
Shaft-Throttle97
696565
1
p
Pin-Hinge, Float104
691242
1
pq
Jet-Main (STD)117
498978
1
p
Jet-Main (High Altitude)118
497466
1
p
Carburetor125
498170
1
p
Plug-Welch127
694468
1
pq
Valve-Throttle130
696564
1
p
Float-Carburetor133
398187
1
p
Needle Seat Kit134
398188
1
pq
Gasket-Bowl, Float137
693981
1
pq
s
Gasket-Cleaner, Air163
272653s
1
pq
rs
Washer-Sealing276
271716
1
pq
s
Screw (Carburetor)365
692524
1
p
Seal, O-Ring (Intake Manifold)617
270344s
1
pq
s
Seal-Shaft, Choke Throttle633
691321
1
pq
s
Bowl-Float975
493640
1
p
14
3356-748 Rev A
Briggs and Stratton 126T02-0206-E1
E5
Air Cleaner Assembly
Ref Part No. Qty. Description
Gasket-Cleaner, Air163
272653s
1
pq
rs
Screw (Air Cleaner Cover)425
690670
1
p
Screw (Air Cleaner Primer Base)443
692523
1
p
Filter-Cartridge, Air Cleaner445
491588s
1
p
Grommet529
691923
1
p
Base-Primer, Air Cleaner966
496116
1
p
Cover-Cleaner, Air968
692298
1
p
Primer-Carburetor976
694395
1
p
15
3356-748 Rev A
Briggs and Stratton 126T02-0206-E1
E6
Governor Assembly
Ref Part No. Qty. Description
Screw (Control Bracket)188
693399
1
p
Link-Governor, Mechanical202
691829
1
p
Spring-Governor209
691292
1
p
Bracket-Control222
791128
1
p
Lever-Control, Governor227
690783
1
p
Armature-Magneto333
802574
1
p
Screw (Magneto Armature)334
691061
1
p
Wire-Stop356
692390
1
p
Nut (Governor Control Lever)505
691251
1
p
Bolt (Governor Control Lever)562
691119
1
p
Switch-Stop621
692310
1
p
Spacer668
493823
1
pr
Screw (Brake)745
691648
1
p
Terminal-Spark Plug851
493880s
1
p
Spring-Brake922
691831
1
p
Brake923
691994
1
p
16
3356-748 Rev A
Briggs and Stratton 126T02-0206-E1
E7
Muffler and Fuel Tank Assembly
Ref Part No. Qty. Description
Lock-Screw, Muffler81
691740
1
p
Line–Fuel (Cut To Required
Length)
187
791766
1
p
Screw (Fuel Tank)190
690940
1
p
Muffler300
692038
1
p
Clamp-Hose601
791850
1
p
Screw (Muffler)613
691340
1
p
Spacer-Tank, Fuel670
692294
1
p
Deflector-Muffler676
493871
1
p
Screw (Muffler Deflector)677
690661
1
p
Cap-Tank, Fuel957
699985
1
p
Tank-Fuel972
699374
1
p
Screw/Washer Kit1059
692311
1
p
17
3356-748 Rev A
Briggs and Stratton 126T02-0206-E1
E8
Blower Housing Assembly
Ref Part No. Qty. Description
Flywheel23
691987
1
p
Guard-Flywheel37
694086
1
p
Screw (Flywheel Guard)78
691108
1
p
Housing-Blower304
493293
1
p
Screw (Blower Housing)305
691108
1
p
Nut (Flywheel)332
690662
1
p
Puller-Flywheel363
19069
1
p
Cup-Flywheel455
791960
1
p
Cover-Housing, Blower921
790036
1
p
Screw (Blower Housing Cover)969
691138
1
p
Label-Emissions (Available From
An Authorized Briggs And
Stratton Service Dealer)
1036
1
p
18
3356-748 Rev A
Briggs and Stratton 126T02-0206-E1
E9
Starter Assembly
Ref Part No. Qty. Description
Housing-Starter, Rewind55
691421
1
p
Rope-Starter58
697316
1
p
Grip-Rope, Starter60
281434s
1
p
Screw (Rewind Starter)65
690837
1
p
Plate-Friction, Pawl456
692299
1
p
Ratchet-Pawl459
281505s
1
p
Nut (Rewind Starter)592
690800
1
p
Screw (Pawl Friction Plate)597
691696
1
p
Starter-Rewind608
497680
1
p
Spring-Friction689
691855
1
p
Pulley/Spring ASM (Pulley)1210
498144
1
p
Pulley/Spring ASM (Spring)1211
498144
1
p
19
3356-748 Rev A
Briggs and Stratton 126T02-0206-E1
E10
Gasket Kit
Ref Part No. Qty. Description
Seal-Oil (Magneto Side)3
299819s
1
pr
Gasket-Head, Cylinder7
692249
1
pr
Gasket-Crankcase12
692232
1
pr
Seal-Oil (PTO Side)20
399781s
1
pr
Gasket-Intake51
272199s
1
pr
Gasket-Cleaner, Air163
272653s
1
pq
rs
Gasket Set-Engine358
497316
1
p
Seal, O-Ring (Dipstick Tube)524
692296
1
pr
Gasket-Passage, Breather585
691879
1
pr
Seal, O-Ring (Intake Manifold)617
270344s
1
pq
rs
Spacer668
493823
1
pr
Seal, O-Ring (Dipstick)842
691031
1
pr
20
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Toro 20055 is the perfect choice for those who are looking for a high-quality, reliable lawn mower. The mower has a powerful engine that makes it easy to cut through even the thickest grass, and its durable construction ensures that it will last for many years to come.
The Toro 20055 is packed with features that make mowing your lawn a breeze. The mower’s adjustable cutting height allows you to choose the perfect length for your grass, and its mulching capabilities help to fertilize your lawn as you mow. The mower also features a large grass bag that collects clippings, so you don’t have to stop to empty it frequently.
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