ionNo
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ep orroductTable Of Contents
GROUP

48101216182022Handles & Controls GroupEngine, Deck & Blade Group
Wheel & Height-of-Cut Assembly Group
Drive System, Self-PropelledTransmission - Differential Group
Grass Bag & Accessories Group
Side Chute, Adapter
Decals Group

No
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ep or
roduction

PAGE

21" STEEL DECK WALK BEHIND

Manual No.

SERIES 20

TP 400-5485-B-WB-N

37104803

No
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ep orroduction

Handles & Controls Group

Manual No.

7104803421" STEEL DECK WALK BEHINDSERIES 20

Handles & Controls Group
Item

Part No

Qty Description

12345678910111213141516
17
18
19
20
21
2223
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44

7074411A
70238107074418A
70348727074156A
7033985A
7033986A
7074140
79000677074473A
702840770237927014343
709102070795777102593709005370915767023813710259470753087090505
702848870769787034604
701212170121227026219709119070120807090391709151170740037091305
70319617028465707411370751827091167709101870285687091585
7074133
709018811111111411121215311121111116166112211111212No
R tf
ep orroduction

HANDLE, Upper
FOAM GRIP, 18.75” long
BAIL, OPC Control
CLIP, Zone Control
HANDLE, Middle
HANDLE, Lower, Adjustable, LH
HANDLE, Lower, Adjustable, RH
CONTROL PANEL, No Electric Switch
SCREW, 1/4-20 x .550” Pan Head Self-Tap (Torx)
HANDLE, Clutch
GRIP, International Symbol
PIN, 1/4 x 1-1/2”
BUSHING, .27 x .35 x .4 Flange
PUSH-NUT, 1/4”
SCREW, 1/4-20 x 1-1/2” Hex Head Cap GR 5
CABLE, Zone Control, W14
WASHER, 1/4” Internal Tooth Lock, YZ
NUT, 1/4-20 Hex, GR 5
CLIP, Wiring Harness
THROTTLE CONTROL, (63.12” Long)
KNOB, Throttle
SCREW, 1/4-20 x 2” Hex Head Cap, GR 5
GUIDE, Rope (1/4-20 thread)
NUT, 1/4-28 Hex GR 5 or B
CONTROL, Clutch, 21”
COVER, VinylSPRING, Clutch
CLAMP, 7/8” Double Cable
BOLT, 5/16-18 X1-1/2” Curved Head Square Neck, GR 2 BZ
CABLE-TIE, 7”
WASHER, 5/16” Internal Tooth Lock
NUT, 5/16-18 Hex, GR 5 or B, BZ (Was 7091069)
BRACKET, Shift
SCREW, 3/8-16 x 2” Hex Head Cap, GR 5
WASHER, 7/16” FlatWASHER, Nylon
LEVER, Shift
KNOB, Shift
SCREW, #8-32 x 1/2” Cross Recess Filister Head Machine
NUT, #8-32 Hex
WASHER, Belleville
NUT, 3/8-16 Hex Center Lock
ROD, Speed Control
WASHER, .34 x .69 x .08 Flat, YZFootnotes:

Manual No.

21" STEEL DECK WALK BEHINDSERIES 20

57104803

NoR tf
ep or
roduction

Handles & Controls Group

Manual No.

7104803621" STEEL DECK WALK BEHINDSERIES 20

Handles & Controls Group
Item

Part No

Qty Description

45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63

703416270907997091601
7046707A
70902387090595
70911307090895
70121147034179A
7091606
7073913701575370900957091904
7073822A
709058570138497091575

1232142111112311411NoR tf
ep orroduction

COTTER PIN, 5/16” Self Lock
BOLT, 5/16-18 x 5/8” Round Head Short Square Neck, GR 5 BZ (Was7091026)
NUT, 5/16-18 Hex Flange Lock, GR 5, YZ
BRACE, Handle
SCREW, 5/16-24 x 1” Hex Head Cap, GR 5, BZ
BOLT, 5/16-18 x 3/4” Hex Flange Lock
WASHER, .327 x .875 x .09 Flat, BZ
T-NUT, 5/16-18
BUSHING, Differential
LINK, Differential, Commercial (also part of Drive System Group)
NUT, 5/16-24 Hex Center Lock, GR B, BZ (Was 7091074)
BELL CRANK, Black ZincBALL JOINT
NUT, 1/4-28 Hex GR 5 or B, YZ
SCREW, 5/16-18 x 7/8” Hex Head Cap, GR 5 YZ
BRACKET, Bell Crank
NUT, 5/16-18 Hex Flange Lock, GR 5
SPACER, .623 OD x .328 ID x .151 L
NUT, 5/16-18 Hex Center Lock

Footnotes:

Manual No.

21" STEEL DECK WALK BEHINDSERIES 20

77104803

BSJ140918

クランクシャフトプロテクター部品表①No123②③④4567891011

部品番号7090167
7012063

部品名ボルトワッシャー

個数11924138

ブレードハブ(キー付）

1924142ブレードハブ(キー無）1924179
7070783621062924006600076A
7091580YP

ハブ用キー
ハブ用キー
スナップリング
スペーサーベアリング
ボールベアリング
ボルト
ボルトM8x30
ナットM8
セットスクリュー1112121111
1111
1----7092086
7022106
70218227021764

プーリー

7015780⑤12924147

ベアリングハウジング⑥⑤⑧⑦⑦⑫⑪⑨⑩

備考

ブリッグス 122Q
Kawasaki FJ180V
Robin EC13V EH18V
Honda GXV160
Kawasaki FC150
Honda-GXV160用
Kawasaki-FC150用

市販品を利用ください。
市販品を利用ください。
ロビン EC13/EH18用
ホンダ GXV160用
カワサキ FC150用
カワサキ FJ180用
ブリッグス 122Q用

No
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ep or
rodu
ct

ion

Wheel & Height-of-Cut Assembly Group

Manual No.

71048031021" STEEL DECK WALK BEHINDSERIES 20

Wheel & Height-of-Cut Assembly Group
Item

Part No

Qty Description

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

70903777031960
703572670319617091601
70211197035727703112170542477054246
70518857051886
7100633
7035717703272370327227012312709101270110787011791
7031016703101770123257015761422641241111421126241122NoR tf
ep orroduction

NUT, 7/16-20 Hex Center lock Jam, GR 5, YZ
HUBCAPWHEEL, 10 x 1.75- Steel-D- (Self Propelled)- GrayWASHER, 7/16” Flat
NUT, 5/16-18 Hex Flange Lock, GR 5 (Was 7091070)
AXLE, V21
WHEEL, 8 x 1.75- Steel - D- Gray
HUBCAP, V21
ASSEMBLY, Wheel Arm, Left Rear, Long (Was 7054231)
ASSEMBLY, Wheel Arm, Right Rear, Long (Was 7054230)
ASSEMBLY, Front Wheel Arm, LHASSEMBLY, Front Wheel Arm, RH
GRIP, Height Latch
LATCH, Height Adjusting, (long)
ARM, Wheel, Left Rear
ARM, Wheel, Right Rear
BEARING, 9/16” ID
SCREW, #10-32 x 3/8” Hex Washer Self-Tap, BZ
BOLT, 5/16-18 x 1” Hex Washer Face Shoulder
RETAINER, 5/16” Bolt
WHEEL ARM, L.H. Front (Square Hole)WHEEL ARM, R.H. Front (Round Hole)LATCH, Height
BOLT, 5/16-18 x 3/4” Hex Washer Face Shoulder

Footnotes:

Manual No.

21" STEEL DECK WALK BEHINDSERIES 20117104803

NoR tfep orrodu
ct

io
n

Drive System, Self-Propelled

Manual No.

71048031221" STEEL DECK WALK BEHINDSERIES 20

Drive System, Self-Propelled
ItemPart No

Qty Description

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44

709154270903917034179A
7011724701235470915767090053
70126167091604
7029008
70237917090289
70911227031809
7011025702801470318737012316701938370916307090390
70121117012126
7091025
70121247090303701212270915977072284709091370310137023364
701212570909817029027
7300977A
7010746
70901227090095
70912947015753707414570906737046784

111111211111211111123111111117
1114111122
1111NoR tf
ep orroduct

ion

SCREW, 5/16-18 x 1/2” Pan Head Self-Tap (Torx)WASHER, 5/16” Internal Tooth Lock
LINK, Differential, Commercial
WASHER, Curved, .44 x .78 x .025 BZ
BELT, Poly-V, V21
NUT, 1/4-20 Hex, GR 5 or B, ZP (Was 7090063)
WASHER, 1/4” Internal Tooth Lock, YZ (Was 7091023)
SUPPORT, Guard
BOLT, 1/4-20 x 1/2” Short Square Neck Carriage, GR 5 (Was 7090005)
FOOT GUARD, 21”
RING, Split, .68 x .93 x .44 (Black)
NUT, 3/8-24 Hex Center lock, GR 5, YZ
SCREW, 1/-20 x 1/2” Hex Flange Self-Tap (Was 7090539)
HOLDER, Bearing (Outer Half)
O-RING, V21
BALL BEARING, Spherical O.D., .38 I.D.
HOLDER, Bearing (Inner Half)WASHER, .390 I. D. Flat
PULLEY, Poly-V, 2.00 O.D.
NUT, 3/8-24 Hex, GR 5, YZ
WASHER, 3/8” Internal Tooth Lock, BZ
STUD, Idler, (3/8-24 thread) YZ
SPRING, V21
SCREW, 1/4-28 x 1-3/8” Hex Head Cap, GR 5
PULLEY, Idler, V21
NUT, 1/4-28 Hex Top Lock, GR 5, BZ
SPRING, Clutch (also shown on Handles & Controls Group page)
COTTER PIN, 3/32 x 1/2” (Was 7090555)
HEX SHAFT (Heat Treated)
SCREW, #10-24 x 1/2” Hex Washer Self-Tap (Torx)
SIDE PLATE, Drive Tire
DRIVEN RING (Was 7010927)
GUIDE, Thrust Plate (3/8-24 thread)
SCREW, #10-32 x 1/4” Hex Washer self-Tap
BALL BEARING, 3/4” Bore, Commercial
THRUST PLATE, Short
RETAINING RING, .625 External
WASHER, 3/8” Flat
NUT, 1/4-28 Hex GR 5 or B, YZ (also shown on Handles & Controls Group page)
WASHER, .28 x .63 x .065, Flat, YZ
BALL JOINT (also shown on Handles & Controls Group page)
LINK, Transfer (1/4-28 thread)
COTTER PIN, .06 x .50, YZ (Was 7091629)
BELT, Engine Drive (Stretch)

Footnotes:

Manual No.

21" STEEL DECK WALK BEHINDSERIES 20

137104803

NoR tf
ep or
roduction

Drive System, Self-Propelled

Manual No.

71048031421" STEEL DECK WALK BEHINDSERIES 20

Drive System, Self-Propelled
ItemPart No

Qty Description

4546
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66

7073528701769670905857029025709073170907997011791
70913027052987A
7033774
7021758
7012306
75001547032832A7100447
701012170519137061275
706127670170737011108
7600109

1121111111121111111111NoR tf
ep orroduction

DRIVE DISC, Steel
BUSHING
NUT, 5/16-18 Hex Flange Lock, GR 5
SPRING, Extension, .58 x 3.2
BOLT, 5/16-18 x 1/2” Short Square neck Carriage, GR 5
BOLT, 5/16-18 x 5/8” Round Head Short Square Neck, GR 5 BZ (Was 7091026)
RETAINER, 5/16” Bolt
NUT, 3/8-16 Hex, GR 5, YZ
ASSEMBLY, Deck Bracket, P21SBRACKET, Deck, P21SSPACER, .65 OD x .500 ID x 1.75 L
BUSHING, Flange
ASSEMBLY, Idler Arm (Bushing & Spacer)
ARM, Clutch Idler
SPACER, Idler Arm
WASHER, Shim, .75X1.0X.021
ASSEMBLY, Clutch Idler (incl. items 24, 25, 26, 56 (2), 58 & 59)
ASSEMBLY, Drive Disc, Square, P21S (incl. items 45, 46, 52, & 7013893)
KIT, Hub & Bushing (Was 7053217)
HUB, Driven Disc
BUSHING, Drive, Hex
ASSEMBLY, Driven Disc, Short, Commercial, MY08 (incl. items 20, 21, 30, 31, 32, 33, 34, 35,36, 37, 38, 60 & 63)

Footnotes:

Manual No.

21" STEEL DECK WALK BEHINDSERIES 20

157104803

NoR tf
ep orroduct

ion

Transmission - Differential Group

Manual No.

71048031621" STEEL DECK WALK BEHINDSERIES 20

Transmission - Differential GroupPart No

Qty Description

7053943
70519087029034701231470739637029035
7024442701415570539397029033
7090189
7051903A
7092062701921370920637091825701654470917207090557
7031970705076770319657012500
702111570111107012495
705083170903767011774705083070125437061017

1 ASSEMBLY, Transmission
1 ASSEMBLY, Right Hand Housing (Includes enclosed items)
1 HOUSING, Right Hand
1 SEAL, 5/8” ID
1 BALL BEARING, 1-1/8” O.D.
1 BEARING, Tapered, Differential Housing
3 GASKET, 5/8” O.D.
3 SCREW, 5/16-24 x 1-1/8” Rib Neck, GR 5
1 ASSEMBLY, Left Hand Housing
1 HOUSING, Left Hand
3 WASHER, 5/16” Internal/External Lock
1 WELDMENT, Differential Bracket
4 NUT, 5/16-24 Lock, GR C, YZ (Gripco part no. TLA-5624-S-GRC)
1 PULLEY, Poly-V
1 WASHER, .32 x 1.40 x .1 Cone, YZ
4 SCREW, 1/4-20 x 1” Hex Washer Self-Tap, YZ (Was 7092064)
1 PLUG, Transmission
1 WASHER, .453 x .75 x .073 Flat, YZ
4 SCREW, #10-32 x 1-1/2” Hex Head Cap, GR 5
2 PLATE, V21
1 ASSEMBLY, Input Gear
2 WASHER, Thrust, V21
4 SPACER, .700 OD x .480 ID x .380 L
4 GEAR, Differential Pinion, V21
4 SHAFT, V21
1 * GEAR, Differential (46 Tooth), V21
1 ASSEMBLY, Long Axle (Was 7051933)
4 NUT, #10-32 Hex Nyloc
1 GASKET, V21
1 ASSEMBLY, Short Axle (Was 7051932)
1 SPACER, .820 OD x .720 ID x .330 L
32oz. ** “00” Grease (Not shown)

No
R tf
ep or
roduction

Item
-1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1718
19
20
21
22
23
24
25
26
27
282930--Footnotes:
NOTE: * 7060337 KIT, Transmission Gear (Incl. items 18, 19, 21, 22, 23, 24, 25, 27 & 30).
NOTE: ** Maximum capacity of transmission before causing leakage behind pulley is 4 oz. DO NOT OVERFILL!

Manual No.

21" STEEL DECK WALK BEHINDSERIES 20

177104803

NoR tf
ep or
roduction

Grass Bag & Accessories Group

Manual No.

7104803
1821" STEEL DECK WALK BEHINDSERIES 20

Grass Bag & Accessories Group
Item

Part No

Qty Description

-1
2
345
6
7
8
91011
12
13
14
15
16
17
18
1920
------

75014827103205
70507117042489A
70192477058037
70470817047082A
70919847012306
70242287091601
7072107
7013860
702434071010227011791709107670909517091508
7016814706044070630417061200
7061201
7061256

111111111111331241121NoR tf
ep orroduction

ASSEMBLY, Grass Bag (Slider Type, No Graphics) (replaces 7058572)
GRASS BAG, Res. Slider w/o Graphics (replaces 7075766)
ASSEMBLY, Slider
WELDMENT, Bag Connector
WIRE, Rear Bag
ASSEMBLY, Bag Adapter
BAG ADAPTER, 21
BRACKET, Rope Pulley
SCREW, 5/16-18 x 1-1/4” Pan Head Machine
BUSHING, Flange
PULLEY, Nylon
NUT, 5/16-18 Hex Flange Lock, GR 5, YZ
WASHER, 5/32” Flat
RIVET, 3/16 x .344
SPACER, .316 I.D. x .375 O.D. x .310 thick
KNOB, Fluted, 5/16-18 x 1/2”
RETAINER, 5/16” Bolt
WASHER, 5/16” Flat
NUT, 5/16-18 Hex Large Flange Center Lock
BOLT, 5/16-18 x 3/4” Short Neck Carriage GR 5
PLUG, Chute Adapter (accessory item)
KIT, Snapperizer (21” Hi-Vac Steel Deck Models) (other accessories not shown)
KIT, Snapperizer (21” F & M Outlip Steel Deck Models) (other accessories not shown)
KIT, Recycling Cover (other accessories not shown)
KIT, Recycling Plug (Quad Blade) (other accessories not shown)
KIT, Thatcherizer (other accessories not shown)

Footnotes:

Manual No.

21" STEEL DECK WALK BEHINDSERIES 20

197104803

No
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ep or
ro
duct

ion

Side Chute, Adapter

Manual No.

7104803
20

21" STEEL DECK WALK BEHINDSERIES 20

Side Chute, Adapter
Item

Part No

Qty Description

1234567897047081
704296570291497091508
701179170243407090951
7090189
7101022111311122NoR tf
ep orroduction

BAG ADAPTER, 21
CHUTE, 21” Side (accessory part)
COVER, 21” Deck
BOLT, 5/16-18 x 3/4” Short Neck Carriage GR 5 (Was 7090001)
RETAINER, 5/16” Bolt
SPACER, .316 I.D. x .375 O.D. x .310 thick
NUT, 5/16-18 Hex Large Flange Center Lock
WASHER, 5/16” Internal/External Lock
KNOB, Fluted, 5/16-18 x 1/2”

Footnotes:

Manual No.

21" STEEL DECK WALK BEHINDSERIES 20217104803

NoR tf
ep orroduction

Decals Group

Manual No.

71048032221" STEEL DECK WALK BEHINDSERIES 20

Decals Group
ItemPart No

Qty Description

123456789101112137104148
704672071023242782797075532
7104873702978270754717102746
7100984710149770130107105261

11111111
11111No
R tf
ep or
ro
duct

ion

DECAL, Logo, Snapper, 7.88” (used on all 4 models)
DECAL, Chute Deflector (used on 7800772 & 7800764 models)
DECAL, Chute/Deflector FC (used on 7800847 & 7800848 models)
DECAL, 8.50T/190cc Professional Series (used on 7800772 & 7800764 models)
DECAL, Throttle Control, B&S (used on all 4 models)
DECAL, Snapper, Steel Deck (used on all 4 models)
DECAL, OPC Bail International Symbol (used on all 4 models)
DECAL, Speed Shift (used on all 4 models)
DECAL, Spark Arrestor (used on all 4 models)
DECAL, Warning/Danger, Walk-Behind-Mower (used on all 4 models)
DECAL, Warning/Danger, French/English (used on 7800847 & 7800848 models)
DECAL, Danger, Cut Finger (used on 7800772 & 7800764 models)
DECAL, CPSC, French/English (used on 7800847 & 7800848 models)Footnotes:

Manual No.

21" STEEL DECK WALK BEHINDSERIES 20

237104803

nioNo
R tf
ep or
ro
duct

nioNo
R tf
ep or
ro
duct

ion

No
R tf
ep or
ro
duct

ion

No
R tf
ep or
ro
duct

Parts Manual forNo
R tf
ep or
ro
duct

ion21" STEEL DECK WALK BEHINDCOMMERCIAL MOWERSSERIES 20

IT IS THE POLICY OF BRIGGS & STRATTON CORP TO IMPROVE ITSPRODUCTS WHENEVER IT IS POSSIBLE AND PRACTICAL TO DO SO.
WE RESERVE THE RIGHT TO MAKE CHANGES OR ADD
IMPROVEMENTS AT ANY TIME WITHOUT INCURRING ANYOBLIGATION TO MAKE SUCH CHANGES ON PRODUCTS

Briggs & Stratton Yard Power Products Group535 Macon Road
McDonough, GA, 30253 U.S.A.
800-935-2967
www.snapper.com
Copyright © 2012 Briggs & Stratton Corporation
Milwaukee, WI USA. All Rights Reserved

Manual No. 7104803
Revision: B 1/19/2012