120 Briggs & Stratton 20 hp Vertical Shaft Engine Mower

120 Briggs & Stratton 20 hp Vertical Shaft Engine Mower

Blade Spindle Assembly

IDParts NumberParts DescriptionNotesPurchase
1623760M1-48 right/left Spindle Assembly
2320545Machined 4.0 Spindle Housing Assembly
360476425mm 4.75 Spindle Shaft Assembly
411008025mm 2 Metal Seal Ball Bearing
5903645Shallow Spacer Bearing Spacer
6110082Single Seal Ball Bearing
7721167Bearing Shield
8280750Zerk Grease Fitting
9247141Round Head Ribbed Neck Bolt
10243331Hex Bolt
11257041Cupped Washer
12421200Fiber Washer
14257432Lock Washer
15243581Hex Bolt
16253035Whiz Nut
17281582Square Key

Brakes & Linkage Assembly

IDParts NumberParts DescriptionNotesPurchase
1644647M2 Brake Tube
2644044100 Brake Pedal Arm
3422155Handle Grip
5263500External Retainer
6724664right M2 Brake Support Bracket
7724665left M2 Brake Support Bracket
8644398right M2 Brake Arm
9644399left M2 Brake Arm
10243590Hex Bolt
12253930Lock Nut
13243192Hex Flange Whiz Bolt
14253035Whiz Nut
15726031100 Brake Strap
17260608Cotter Ring
18183894Brake Interlock Switch
19250258Machine Screw
20253020Whiz Nut
21780159Left/Right Thread Linkage Rod
22265615Righthand Thread Ball Joint
24265616Lefthand Thread Ball Joint
26253038Whiz Nut


IDParts NumberParts DescriptionNotesPurchase
1183806Briggs & Stratton / Kohler Ignition Switch with Key
101101Ignition Key with Cover
422078Plastic Panel
2182326Brake Light Indicator
2184179Rocker Switch
422076Light Switch Hole Plug
4183925Push/Pull Switch
14141551Snap-In Hour Meter
15161121Console Decal

Deck Assembly M241

IDParts NumberParts DescriptionNotesPurchase
1644388M2/41 Deck Weldment
2604671Radius Arm Assembly
3265665Rod End
5243910Hex Bolt
6253970Lock Nut
7824483100/41 & 100/48 M148 Idler Arm Assembly
8121756Oilite Bearing
9121650Pedestal Bearing
12243575Hex Bolt
13423670Idler Arm Stabilizer Cap
14253067Flange Spiral Lock Nut
15422520Nylon Bearing
16283848Extension Spring
18253043Whiz Nut
22730391Idler Adjustment J Bolt
24253035Whiz Nut
256037252-Piece Center Roller Assembly
26644512Roller Lock Pin
27253192Hex Flange Whiz Bolt
28257041Cupped Washer
29243365Hex Bolt
31243590Hex Bolt
32643632Vac Housing Pivot Mount
33247130Carriage Bolt
34604316M241 Flex Discharge Shield Assembly
35422043Flex Discharge Shield
36644570Discharge Shield Mount
37284406Torsion Spring
38780650Flex Discharge Shield Pin
39260608Cotter Ring
402528213-Prong Head Deck Stud (Knob)
41254448Speed Nut
42254431Speed Nut
438203324 Link Chain
44243458GR 8 Hex Bolt
45253058Whiz Nut
4732024521" High Lift Notch Blade
32024221" Medium Lift Blade
32024421" Contour Blade
48722821100/41 right Belt Shield
49722822100/41 left Belt Shield
50253173Hex Whiz Bolt
51644407M2 41 Mulch End Cap
52644607M2 41 Mulch Plate

Deck Assembly M248

IDParts NumberParts DescriptionNotesPurchase
1644413M2/48 Deck Weldment
2604670M248 Radius Arm Assembly
3265665Rod End
5243910Hex Bolt
6253970Lock Nut
7824483100/41 & 100/48 M148 Idler Arm Assembly
8121756Oilite Bearing
9121650Pedestal Bearing
12243575Hex Bolt
13423670Idler Arm Stabilizer Cap
14253067Flange Spiral Lock Nut
15422520Nylon Bearing
16283824Extension Spring
18253043Whiz Nut
23730391Idler Adjustment J Bolt
25253035Whiz Nut
262530352-Piece Center Roller Assembly
27644512Roller Lock Pin
28253192Hex Flange Whiz Bolt
29257041Cupped Washer
30243365Hex Bolt
32243590Hex Bolt
33754203M1/M248 right Formed Roller Mount
34754204M1/M248 left Formed Roller Mount
35755006M148 Rear Roller Mount
36902284Roller Mount Spacer
38247130Carriage Bolt
39643632Vac Housing Pivot Mount
406043183344/48 Flex Discharge Shield Assembly
41422042Flex Discharge Shield
42644567Discharge Shield Mount
43284406Torsion Spring
44780650Flex Discharge Shield Pin
45260608Cotter Ring
462528213-Prong Head Deck Stud (Knob)
48415902Big Split Sheave
4932023415" High Lift Notch Blade
32023115" Medium Lift Blade
32023315" Contour Blade
5032023918" High Lift Notch Blade
32023618" Medium Lift Blade
32023818" Contour Blade
51254448Speed Nut
52254431Speed Nut
538203324 Link Chain
54243458GR 8 Hex Bolt
55253058Whiz Nut
56424179M148 Deck Flap
57774219right Deflector Strap
58253177Truss Whiz Bolt
59253025Whiz Nut
60722827M2/48 right Belt Shield
61722828M2/48 left Belt Shield
62253173Hex Whiz Bolt
636441753344/48 Mulch End Cap
646446033348 right Mulch Plate
656446043348 left Mulch Plate

Deck Carrier Linkage

IDParts NumberParts DescriptionNotesPurchase
1644425M2 Footrest
2424075Vibration Isolator
3253035Whiz Nut
4604671M241 Radius Arm Assembly
604670M248 Radius Arm Assembly
5265665Rod End
7243805Hex Bolt
8253970Lock Nut
9725464M2 Carrier Ratchet
10253215Flange Bolt
11253043Whiz Nut
12423643M1 Bearing Block
13774064Lift Bearing Plate
14644646M2 Front Carrier Pivot Assembly
644646M248 Front Carrier Pivot Assembly
15724663M2 Height Adjustment Pedal
16243380Hex Bolt with Shank
174209062.5 x 4.0 Tread
18253890Lock Nut
19644644M2 Carrier Pivot
20243360Hex Bolt
21902412M2 Carrier Spacer
22603727M2 right Carrier Rocker Assembly
121764Oilite Bearing
23603728M1 left Carrier Rocker Assembly
121764Oilite Bearing
24263529External Retainer
25732586M1 Deck Adjusting Strap
26243205Hex Bolt
278203324 Link Chain
28243458GR 8 Hex Bolt
29253058Whiz Nut
30725423100 Height Adjustment Strap
31260608Cotter Ring
32123522Bearing Cup
33122522Tapered Bearing
34257320Spring Washer
35254505Nylon-Top Jam Lock Nut
36481432Dust Cap
39643384M2 Fork
40247705Carriage Bolt
412539752-Way Jam Lock Nut
4260396911 x 4 x 5 Pneumatic Wheel Assembly
43902475Rear Wheel Bearing Spacer
44120050Ball Bearing
45422570Wheel Bearing Guard
46604762Spring & Plug Nut Assembly
47243399Hex Bolt
49881154Spring Mount Shaft

Drive Assembly

IDParts NumberParts DescriptionNotesPurchase
1391432H1 left Hydro Pump
2391433H1 right Hydro Pump
3243335Hex Bolt
4253043Whiz Nut
8281560Square Key
9281582Square Key
10774012Flat Washer
11270821Hex Bolt
12824478100 Pumps Idler Arm Assembly
13121756Oilite Bearing
14121650Pedestal Bearing
15284426Torsion Spring
17243360Hex Bolt
20243575Hex Bolt
21253066Whiz Nut
223887501" Shaft Electric Clutch
23253025Whiz Nut
24257422Lock Washer
25243470Hex Bolt
26725123100 Anti Rotation Bracket
27422088Clutch Bracket Cover
28253035Whiz Nut
29253192Hex Flange Whiz Bolt
30754258M2 right Control Arm
31754259M2 left Control Arm
32253182Hex Whiz Bolt
33603726Eccentric Roller Assembly
34257410External Star Washer
36265680Ball Stud
38780169left/right Steering Linkage
39780169Righthand Thread Ball Joint
41265616Lefthand Thread Ball Joint
44253038Whiz Nut
45729398Neutral Return Arm
46729399Front left Neutral Return Arm
47754246M2 right Neutral Return Mount
48754247M2 left Neutral Return Mount
49729396right rear Neutral Return Arm
50729397left rear Neutral Return Arm
51822304Neutral Return Pivot Bearing
53253890Lock Nut
54283823Extension Spring
55243035Hex Bolt
56253190Whiz Truss Bolt

Reservoir And Hose Assembly

IDParts NumberParts DescriptionNotesPurchase
1603612Wheel Motor with Hub
26034234 Bolt Hub Assembly
3253992Lock Nut
4281845Woodruff Key
5360063O Ring Adapter
126527O Ring
126537O Ring
6243591Hex Bolt
7257432Lock Washer
9391432H1 left Hydro Pump
10391433H1 right Hydro Pump
11243335Hex Bolt
12253043Whiz Nut
13360046Adapter Fitting
126527O Ring
126537O Ring
14424363Hose Assembly
15424364Hose Assembly
18366551In-Line Strainer
19821792Hydraulic Hose
20821774Hydraulic Hose
21821775Hydraulic Hose
22821776Hydraulic Hose
23821779Hydraulic Hose
24280264Spring Hose Clamp
25729409M2 Reservoir Mount Bracket
26822333100 Oil Reservoir
421990Reservoir Cap with Gasket
27821724Clear Vent Hose
28253192Hex Flange Whiz Bolt
29253035Whiz Nut
30101024M1 Series Filter Base
31100855High-Efficiency Transaxle Oil Filter
32363864O Ring Boss Fitting
33253173Hex Whiz Bolt

Seat & Steering Assembly

IDParts NumberParts DescriptionNotesPurchase
1321570Molded Seat Assembly with Armrests
2183870Seat Switch
3253173Hex Whiz Bolt
4643928M2 Seat Pan
5253192Hex Flange Whiz Bolt
6644401Seat Pivot Bracket
7644402Seat Pivot Bracket
8422559Sleeve Bearing with Flange
9253177Truss Whiz Bolt
10724655Rear M2 Frame Crossmember
11283516Compression Spring
12422127Seat Spring Cap
13253203Flange Whiz Bolt
14253043Whiz Nut
15253035Whiz Nut
16284210Seat Latch
17253176Whiz Truss Bolt
18253025Whiz Nut
19644480M2 Steering Lever
20422179Handle Grip
21422095.75 ID Vinyl Cap
22643926Adjustable Steering Lever Mount
23253195Hex Flange Whiz Bolt
24253470Nylon Insert Nut
25604813right M2 Steering Pivot with Stop & Bearings
26604814left M2 Steering Pivot with Stop & Bearings
27422559Sleeve Bearing with Flange
28422556Sleeve Bearing with Flange
29422557Sleeve Bearing
30243197Hex Bolt
32283324Compression Spring
34720160right Steering Switch Mount
35720161left Steering Switch Mount
36183860Lever Switch
37250318Machine Screw
39324101M2 OPS (Operator Protective Structure) Tube
40243591Hex Bolt
253930Lock Nut
41324200Non-retractable Seat Belt
42243551Hex Bolt

Tractor Assembly

IDParts NumberParts DescriptionNotesPurchase
1644389M241 Frame
210015020hp Briggs & Stratton ELS Vertical Engine
3100918Briggs & Stratton Air Filter with Pre-Cleaner
4100807Extended Life Oil Filter for Briggs & Stratton Vertical Engine
5101196Muffler for 20/24 hp Briggs & Stratton Vertical Engine
6942400M2 Exhaust Pipe
7101356Exhaust Clamp
8363515Street Ell
93655153/8" Metal Pipe Plug
10724674M2 Rear Shield
11142242Mechanical Choke
12603856Throttle Assembly
323640Control Cable Assembly
722009Throttle Lever Stop
13422150Handle Grip
14723230Battery Box
15604785Battery Hold Down Strap
16253192Hex Flange Whiz Bolt
17604807M2 3-Gallon Tank Assembly
18100210Fuel Cap
19101822Fuel Draw Tube
21730451100 Gas Tank Mount Rod
23253043Whiz Nut
24143641Fuel Reserve Single Valve
26821739Fuel Hose
27821710Fuel Hose
28366560Briggs In-Line Fuel Filter
29280260Spring Hose Clamp
30644410100 Console Bracket
31644405M2 Console
32253176Truss Whiz Bolt
33253025Whiz Nut
34253177Truss Whiz Bolt
354839064-Bolt Wheel & Turf Tire 18 x 9.5 x 8
482453Turf Tire 18 x 9.5 x 8
482457Knobby Tire 18 x 9.5 x 8
482458Pathfinder Bar Tread Tire 18 x 9.5 x 8
4833994-Bolt Wheel 8 x 6.25
4839074-Bolt Wheel & Knobby Tire 18 x 9.5 x 8
483908right Wheel & Pathfinder Bar Tread Tire 18 x 9.5 x 8
483909left Wheel & Pathfinder Bar Tread Tire 18 x 9.5 x 8
36254472Lug Nut
37644393right 100 Fender
163830right 120 Trim Decal
38644394left 100 Fender
163831left 120 Trim Decal
39822630Seat Edge Trim
40422079Work Lamp Hole Plug
41722804M2 Reservoir Access Panel
42150225Cup Holder
43259030Cap Screw
45253173Hex Whiz Bolt

Wiring And Lights

IDParts NumberParts DescriptionNotesPurchase
1183806Briggs & Stratton / Kohler Ignition Switch with Key
101101Ignition Key with Cover
422078Plastic Panel
2182326Brake Light Indicator
3184179Rocker Switch
4183925Push/Pull Switch
5183860Lever Switch
720160Steering Switch Mount - right
6183860Lever Switch
720161Steering Switch Mount - left
7183870Seat Switch
8182253Flood Worklamp
9182005Light Bulb for Headlight
10182251Snap Mount Worklamp Bezel
1118427112V DC Relay with Mount
184570Type 1 6mm Push-On
184581.250 Fast-On Terminal
1849265-Way Female Connector
12181720Fuse Block
162320Fuse ID Decal
1318147030 amp Auto ATC Fuse
18146210 amp Auto ATC Fuse
1814607.5 amp Auto ATC Fuse
14141551Snap In Hour Meter
15183894Brake Interlock Switch
1618012512 Volt Wet Battery
723230M2 Battery Box
17604785Battery Hold Down Strap
18423690PC Board Support Spacer
1918029030" Black Battery Cable
2018032224" Red Battery Cable
425219Starter Terminal Boot
2118031920" Red Battery Cable
221842514-Post Solenid Switch Relay
23605912Briggs 100 Wiring Assembly
24161129Console Decal