SWISHER 31HP Kawasaki Tractor Z31KT User Manual
- June 7, 2024
- Swisher
Table of Contents
- SWISHER 31HP Kawasaki Tractor Z31KT
- Electrical Schematic – Main
- Electrical Schematic – Winch
- Fuel System Routing
- Frame Components Diagram
- Engine, Transmission & Gearbox Diagram
- Seat Base & Fenders Diagram
- Rear Axle, Wheels & Fuel Tank Diagram
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)

SWISHER 31HP Kawasaki Tractor Z31KT

Electrical Schematic – Main

Electrical Schematic – Winch

Fuel System Routing
| ITEM NO. | PART NO. | DESCRIPTION |
|---|---|---|
| 1 | N/A | Engine – 31HP Kawasaki |
| 2 | 19373 | Tank – Fuel, 4 Gallon; Black |
| 3 | 7414 | Valve – Fuel Shut Off (Inline) |
| 4 | 18228 | Tee – Metal, Barbed, 1/4 Tube |
| 5 | 18231 | Tee – Metal, Barbed, 3/16 Tube |
| 6 | 6FLC | Clamp – Fuel Line Hose; 1/2″OD .092 Diam |
| 7 | 18223 | Clamp – Fuel Line |
| 8 | 18232 | Line – Fuel, Bulk; 3/16″ Low Perm |
| 9 | 11782 | Line – Fuel, Bulk; 1/4″ Low Perm |
| 10 | Fuel Filter | (See Engine Owners Manual) |

Frame Components Diagram

Frame Components Parts List
| ITEM NO. | PART NUMBER | DESCRIPTION |
|---|---|---|
| 1 | 20368* | Pedal – Attachment Lift, In/Out |
| 2 | 10197 | Bolt – Carriage 5/16-18 X 1 GR5 |
| 3 | 19978 | Switch – DPDT, 30A, On-Off-On MOM |
| 4 | 26X263 | Screw – TCS Type F, 1/4-20 X 5/8 |
| 5 | NB596 | Bolt – Serr Flange, 5/16-18 X 3/4 Gr 5 |
| 6 | 19618 | Spring – Compression, Ø.875 X 1.5 X .085 |
| 7 | 19684 | Mat – Foot, Right; Diamond Pattern |
| 8 | NB583 | Bolt – Carriage 1/4-20 X 1 1/2 GR2 ZY |
| 9 | NB280 | Nut – 2 Way Lock 3/8-16 ZY Gr A |
| 10 | NB272 | Washer – SAE Flat 3/8 ZY |
| 11 | NB170 | Nut – Serr Flange 5/16-18 ZY |
| 12 | NB221 | Bolt – 3/8-16 X 2 1/2 HCC GR5 ZY |
| 13 | 19809* | Weldment – Adjustable Foot Switch Plate |
| 14 | 20369* | Bracket – Switch Cover |
| 15 | 19683 | Mat – Foot, Left; Diamond Pattern |
| 16 | 19326* | Weldment – Deck Mount, Right |
| 17 | NB515 | Bolt – Serr Flange,5/16-18 X1 3/4 ZY Gr5 |
| 18 | 19816 | Pin – Hair, Ø.054 X 7/8; ZP |
| 19 | 12364 | Spring – Compression .620ID X 2″ ZP |
| 20 | 19292 | Pin – Deck Release |
| 21 | 19648* | Bracket – Foot Pan Mount |
| 22 | 009X58 | Bolt – Shoulder, 3/8-16 X 1/2 |
| 23 | 10216 | Bolt – Carriage 5/16-18X3/4 GR5 ZY |
| 24 | 20328 | Glide – Plastic, Foot Pan; Short |
| 25 | NB181 | Nut – Nyloc 5/16-18 ZY |
| 26 | 18860 | Kit – ROPS, Fully Assembled |
| 27 | 19288* | Weldment – Battery & Seat Mount |
| ITEM NO. | PART NUMBER | DESCRIPTION |
| --- | --- | --- |
| 28 | 10548 | Bolt – Serr Flange, 5/16-18 X 1 GR5 ZY |
| 29 | 024907 | Nut – 1/4-20 2-Way Lock ZY |
| 30 | 9931 | Bushing – Seat |
| 31 | 19682 | Mat – Floor, Diamond Pattern |
| 32 | 20307* | Weldment – Foot Pan |
| 33 | 20325 | Pin – Ø5/16 x 2.5, HD Dowel; ZP |
| 34 | 20327 | Strap – Winch, 50″ X 2″ |
| 35 | 20326 | Winch – Strap Drum, 12V |
| 36 | 26X249 | Screw – .312-18 X .75 Black Zinc |
| 37 | 19327* | Weldment – Deck Mount, Left |
| 38 | 18629 | Plug, Finishing – 3/4 X 3/4 X .120 Tube |
| 39 | 19321* | Mount – Cable; Bypass/Brake Mount |
| 40 | 12669 | Bolt – 1/2-13 X 3 1/4 GR8 Alloy ZY |
| 41 | NB177 | Washer – Mach 1/2 NR 14 GA |
| 42 | NB558 | Nut – Lock, 5/16-18 ZY 2 Way Grade A |
| 43 | 19351* | Weldment – Rear Axle Mount |
| 44 | NB507 | Bolt – 5/16-18 X 2 HCC GR5 ZY |
| 45 | NB645 | Bolt – 3/8-16 X 4 HCC GR5 ZY |
| 46 | 10177 | Washer – Fender 3/8 X 1.5, Crbn Stl GR 2 |
| 47 | NB121 | Nut – Jam Lock, 1/2-13 2-Way Gr A |
| 48 | 19234* | Weldment – Front Mount ZT Frame |
| 49 | 19376* | Plate – 1/4″ Ballast, 11 Lbs |
| 50 | NB182 | Nut – Nyloc 3/8-16 ZY |
| 51 | 19401* | Wrap – Engine, Swisher; HD |
| 52 | NB649 | Bolt – 3/8-16 X 3 1/2 GR5 ZY |
| 53 | AS116 | Edge Trim, TrimLok, Black (22″) |
When Ordering Replacement Parts:
- = USE PAINT CODE: TK=BLACK
Engine, Transmission & Gearbox Diagram

Engine, Transmission & Gearbox Parts List
| ITEM NO. | PART NUMBER | DESCRIPTION |
|---|---|---|
| 1 | 19713 | Cable Assembly – Dual, Hydro Brake |
| 2 | 19714 | Cable Assembly – Dual, Hydro Bypass |
| 3 | NB170 | Nut – Serr Flange 5/16-18 ZY |
| 4 | 18714* | Weldment – Idler Pulley Offset |
| 5 | 19108 | Pulley – Backside Idler, 2.25″ OD, 3/8″ ID |
| 6 | NB272 | Washer – SAE Flat 3/8 ZY |
| 7 | NB207 | Nut – Jam, Nyloc 3/8-16 ZY |
| 8 | NB596 | Bolt – Serr Flange, 5/16-18 X 3/4 Gr 5 |
| 9 | NB690 | Bolt – Serr Flange, 1/4-20 X 3/4 GR5 ZY |
| 10 | 10216 | Bolt – Carriage 5/16-18X3/4 GR5 ZY |
| 11 | 19690* | Bracket – Brake Bypass Cable Mount |
| 12 | NB524 | Nut – Serr Flange, 1/4-20 GR 5 ZY |
| 13 | 19449* | Bracket – Clutch Stop |
| 14 | 19234* | Weldment – Front Mount ZT Frame |
| 15 | 18691* | Cover – Hydro Fan |
| 16 | NB114 | Bolt – TCS 1/4-20 X 1/2 Unslot ZY Gr2 |
| 17 | 16000 | Valve – Oil Drain |
| 18 | 18810 | Adapter – Oil Drain, Kawasaki |
| 19 | 18809 | Oil Sensor |
| 20 | 9031 | Key Stock – 1/4 X 1 |
| 21 | NB275 | Washer – SAE Flat 5/16 ZY |
| 22 | NB159 | Washer – Split Lock 5/16 ZY |
| 23 | NB718 | Nut – Hex, M8-1.25, ZY |
| 24 | NB711 | Washer – Split Lock, 3/8 ZY |
| 25 | NB618 | Bolt – 3/8-16 X 1 1/4 GR5 ZY |
| 26 | 19285 | Pulley – Engine, Ø1 1/8″ Bore |
| 27 | 19433 | Clutch – Ø1 1/8″, 125 Ft/Lbs |
| 28 | 10291 | Washer – Belleville, .512X1.26X.138 Gr2 |
| 29 | NB705 | Bolt – HCF, 7/16-20 X 3.25 GR5 ZY |
| 30 | N/A | Engine – 31 HP Kawasaki |
| 31 | N/A | Exhaust Gasket, Kawasaki |
| ITEM NO. | PART NUMBER | DESCRIPTION |
| --- | --- | --- |
| 32 | NB719 | Bolt – M8-1.25 X 20, HCC, CL8, ZY |
| 33 | 19426 | Muffler – Kawasaki, Big Block |
| 34 | 18876 | Clamp – Muffler |
| 35 | 19427 | Elbow – Muffler Turn Down, 45° |
| 36 | 19408* | Plate – Gas Tank Mount |
| 37 | 26X249 | Screw – 5/16-18 X .75 Black Zinc |
| 38 | NB107 | Bolt – 3/8-16 X 1 1/2 HCC GR5 ZY |
| 39 | 18874 | Washer – Plastic 2″ OD X 3/8″ ID X .188″ |
| 40 | 18875 | Spacer -UHMW, 7/8″ Sq. X 3/8″ ID X .200″ |
| 41 | 10177 | Washer – Fender 3/8 X 1.5, Crbn Stl GR 2 |
| 42 | B527 | Pulley – Idler, OD3.25″ ID3/8″ |
| 43 | NB196 | Washer – 3/8 ZY |
| 44 | 19303* | Weldment – Hydro/Gearbox Idler |
| 45 | 19309* | Bracket – Idler Tensioner |
| 46 | NB181 | Nut – Nyloc 5/16-18 ZY |
| 47 | 10198 | Eyebolt – 5/16-18 X 2 1/4 ZY |
| 48 | 7821 | Latch Spring |
| 49 | 19301* | Bracket – Rear Frame Brace |
| 50 | 7509 | Pulley – Idler OD-2.75″, ID-3/8″ |
| 51 | NB638 | Key – Woodruff, 3/16 X 3/4 #9 |
| 52 | 19330 | Gearbox – 90°-1:1, CW Input/CCW Ouput |
| 53 | 19337 | Adapter – Ø7/8 To Ø1-15 Spline |
| 54 | 17465 | Spring – Extension, Hydro Release |
| 55 | 18952* | Plate – Brake Return Spring |
| 56 | 19423 | Belt – 76″, A Section; Hydro |
| 57 | 19370 | Nut – Hex Jam, 5/8-18 ZY |
| 58 | NB149 | Washer – 5/8 ID X 1 OD 14 GA ZY |
| 59 | 19283 | Pulley – Deck Drive, 5.5″ |
| 60 | 19424 | Belt – 50″, A-Section; PTO |
| 61 | 19308 | Subassembly – Gearbox Mount, Input |
| 62 | 10548 | Bolt – Serr Flange, 5/16-18 X 1 GR5 ZY |
| ITEM NO. | PART NUMBER | DESCRIPTION |
| --- | --- | --- |
| 63 | NB280 | Nut – 2 Way Lock 3/8-16 ZY |
| 64 | NB674 | Bolt – 3/8-16 X 4 1/2 HCS GR5 ZY |
| 65 | 19404* | Spacer – Hydro Support Tube |
| 66 | 0025X3 | Screw – 1/4-20 X 1/2, Thread Form Hex |
| 67 | 18949* | Mount – Brake Cable, Right |
| 68 | 18950* | Mount – Brake Cable, Left |
| 69 | 19366 | Transmission – Hydrostatic, Left |
| 70 | 19365 | Transmission – Hydrostatic, Right |
| 71 | NB212 | Nut – HNC, 3/8-16 GR2 ZY |
| 72 | 18580 | Bolt – Serr Flange, 5/16-18 x 3; GR5 ZP |
| 73 | NB182 | Nut – Nyloc 3/8-16 ZY |
| 74 | 20336 | Fitting – 60° Hose Barb, SAE 9/16-18 |
| 75 | 19665 | Clamp – Ø5/8 Hose |
| 76 | 19816 | Pin – Hair, Ø.054 X 7/8; ZP |
| 77 | 18635 | Bolt – Carriage 5/16-18×6 GR5 |
| 78 | NB263 | Linkage – Ball, Right |
| 79 | NB190 | Nut – Jam 5/16-24 ZY |
| 80 | 19320 | Linkage – 5/16-18 x 1 RHT & LHT, ZY |
| 81 | NB779 | Nut – Serr Flange, Hex ZY 3/8-16 |
| 82 | 18940* | Mount – Bypass Cable, Right |
| 83 | 18941* | Mount – Bypass Cable, Left |
| 84 | NB604 | Bolt – 3/8-16 X 1 GR5 ZY |
| 85 | NB265 | Nut – Jam 5/16-24 Lft-Hand Thrd ZY Gr2 |
| 86 | NB264 | Linkage – Ball, Left; (LH Thread) |
| 87 | NB210Z | Nut – 5/16-18 HNC GR2 ZY |
| 88 | 16836 | Bolt – Serr Flng5/16-18 X 2 3/4 GR5, ZP |
| 89 | 19719 | Weldment – Hydro Control, Left |
| 90 | 19718 | Weldment – Hydro Control, Right |
| 91 | 18723 | Damper – Control |
| 92 | NB780 | Bolt – Serr Flange, ZY 3/8-16X3/4 Gr5 |
| 93 | NB215 | Nut – Hex 5/16-24 ZY |
When Ordering Replacement Parts:
- = USE PAINT CODE: TK=BLACK
Seat Base & Fenders Diagram

Seat Base & Fenders Parts List
| ITEM NO. | PART NUMBER | DESCRIPTION |
|---|---|---|
| 1 | 3706 | Clip – Tinnerman 5/16-18 |
| 2 | 3623 | Key Switch |
| 3 | 19402 | Cable – Throttle, 55″ |
| 4 | 19352* | Panel – Control, Right |
| 5 | 20365 | Decal – Right Control Panel |
| 6 | NB275 | Washer – SAE Flat 5/16 ZY |
| 7 | NB159 | Washer – Split Lock 5/16 ZY |
| 8 | NB501 | Bolt – 5/16-18 X 1 HCC GR5 ZY |
| 9 | 26X263 | Screw – TCS Type F, 1/4-20 X 5/8 |
| 10 | 18745 | Adapter – 12V Power Plug |
| 11 | 18606 | Cable – Control, Engine Choke 66″ |
| 12 | 9087 | Nut – Key Switch |
| 13 | 9088 | Washer – Lock Key Switch |
| 14 | NB711 | Washer – Split Lock, 3/8″ Zy, Medium |
| 15 | NB456 | Nut – 3/8-24 HNF ZY Gr 2 |
| 16 | 19392* | Cover – Battery, Right |
| 17 | 18802 | Screw – Thumb, Shoulder; 5/16-18 X 3/4 |
| 18 | NB102 | Bolt – 1/4-20 X 1 HCC GR5 ZY |
| 19 | NB274 | Washer – SAE Flat 1/4 ZY |
| 20 | 19430 | Reservoir – Hydros |
| 21 | NB180 | Nut – Nyloc 1/4-20 |
| 22 | 19345* | Bracket – Damper Mount |
| 23 | 26X249 | Screw – .312-18 X .75 Black Zinc |
| 24 | NB680 | Bolt – 5/16-18 X 6 1/2 HCC GR5 ZY |
| 25 | 15749 | Relay – 12 Volt |
| 26 | NB690 | Bolt – Serr Flange, 1/4-20 X 3/4 GR5 ZY |
| 27 | NB524 | Nut – Serr Flange, 1/4-20 Grade 5 ZY |
| 28 | NB181 | Nut – Nyloc 5/16-18 ZY |
| 29 | 19367 | Seat – Suspension, Armrest; Seatbelts |
| 30 | 19680 | Switch – Rocker, Illuminated; Red |
| 31 | 17635 | Hour Meter – 12 Volt, Digital |
| 32 | 19978 | Switch – DPDT, 30A, On-Off-On MOM |
| 33 | 3605 | Switch – PTO |
| 34 | 19405* | Panel – Control, Left |
| 35 | 20364 | Decal – Left Control Panel |
| 36 | 19409* | Cover – Battery |
| 37 | 19375 | Fender – Left |
| 38 | 18717 | Spacer – Fender |
| 39 | 19666G | Grommet – Ø5 1/4, Light Kit |
| 40 | 19666 | Light – Ø4″ LED, White |
| ITEM NO. | PART NUMBER | DESCRIPTION |
| --- | --- | --- |
| 41 | 19667 | Wire Lead – W/ Quickslides |
| 42 | 19694 | Wire Lead – Ground, 12″ |
| 43 | EBAT340 | Battery – 12V |
| 44 | 19390* | Bracket – Battery Hold Down |
| 45 | 21932 | Solenoid, Winch 12V |
| 46 | NB103 | Bolt – HTC 1/4-20 X 1 1/4 GR5 ZY |
| 47 | NB177 | Washer – Mach 1/2 NR 14 GA |
| 48 | NB121 | Nut – Jam Lock, 1/2-13 2-Way |
| 49 | 19335* | Plate – Cup Holder |
| 50 | 1001542 | Holder – Beverage |
| 51 | 19288* | Weldment – Battery & Seat Mount |
| 52 | 18636 | Switch – Starter (Normally Open) |
| 53 | 19374 | Fender – Right, Front Mount |
| 54 | 19695 | Wire Lead – Ground, 4″ |
| 55 | 19669 | Plug – Ø7/8 x 14-20 GA; Black Plastic |
| 56 | 18808 | Grip – Hand Conforming, Left |
| 57 | 18807 | Grip – Hand Conforming, Right |
| 58 | 10161 | Washer – 7/8 IDX1 3/8OD 14 GA ZY |
| 59 | 19431 | Sub-Assembly – Tube Slide, Top |
| 60 | 19437 | Spring – Inner Handle Tension |
| 61 | 19362 | Weldment – Handle Tube, Bottom |
| 62 | 19436 | Pin – Roll, Ø1/8″ X 7/8″ |
| 63 | NB558 | Nut – Locking, 2 Way 5/16-18 Zp |
| 64 | NB503 | Bolt – 5/16-18 X 1.75 |
| 65 | 19438 | Spring – Outer Handle Tension |
| 66 | MWB | Bearing – Flange, 1 1/8″OD X 1/2″ID |
| 67 | 19359* | Weldment – Handle Pivot, Left |
| 68 | 19360* | Weldment – Handle Pivot, Right |
| 69 | 17465 | Spring – Extension, Hydro Release |
| 70 | 14029 | Bushing |
| 71 | NB574 | Bolt – 1/4-20 X 3 GR2 ZP |
| 72 | 18951* | Weldment – Bypass Arm |
| 73 | 18937 | Washer – Belleville 1/2 ID X 1 OD X .087 |
| 74 | 18933* | Plate – Swivel Lock |
| 75 | 2077 | Pivot – Handle Grip, Yellow |
| 76 | 18945 | Switch – 2 Pole, NC/NO |
| 77 | 18936* | Weldment – Brake Mount Bracket |
| 78 | NB583 | Bolt – Carriage 1/4 – 20 X 3/4 Gr5 Zy |
| 79 | 18931* | Weldment – Brake Arm |
When Ordering Replacement Parts:
- = USE PAINT
CODE: TK=BLACK
Rear Axle, Wheels & Fuel Tank Diagram

Rear Axle, Wheels & Fuel Tank Parts List
| ITEM NO. | PART NUMBER | DESCRIPTION | |
|---|---|---|---|
| 1 | 19373 | Tank – Fuel, 4 Gallon; Black | |
| 2 | 18221 | Cap, Fuel – 2.50 Gallon, Carb Sealed | |
| 3 | 2203LN | Nut – Lug, Wheel Hub, 1/2-20 ZY GR5 | |
| 4 | 19429R | Tire/Wheel – 23 X 10.5-12 Chevron; Right | |
| 5 | 19378* | Weldment – Tank Surround, Right | |
| 6 | 26X249 | Screw – .312-18 X .75 Black Zinc | |
| 7 | NB612 | Nut – Nyloc 1″-8 ZY | |
| 8 | NB614HT | Washer – 1 X 1 1/2 10GA | |
| 9 | 4845 | Bearing – 1″I D X 2″OD | |
| 10 | 19341* | Weldment – Rear Pivot Axle | |
| 11 | 19332* | Weldment- Short Caster | |
| 12 | 18953 | Bolt – 5/8-11 X 8 1/2, GR8; ZY | |
| 13 | 19290 | Tire/Wheel – 11 X 6.00-5 Smooth, 5/8; Blk | |
| 14 | NB595 | Nut – Lock Jam, 5/8-11 2 Way | |
| 15 | NB637 | Bolt-HCF,7/16-20 X1 1/2 GR5 ZY | |
| 16 | 10146 | Washer – Split Lock, 7/16 ZY | |
| 17 | 19804 | Washer – Ø7/16 x Ø1 3/4 x 1/4″ | |
| 18 | A124B | Bushing – Flanged | |
| 19 | 18868 | Plug – Plastic, Ø3/8 | |
| 20 | 19398* | Weldment – Tank Surround, Left | |
| 21 | 19815 | Bolt – BHCS, 5/16-18 X 1; ZP | |
| 22 | NB159 | Washer – Split Lock 5/16 ZY | |
| 23 | 19384 | Plug – Ø1″ X 14 Ga. Tubing, Dome; Black | |
| 24 | 19429L | Tire/Wheel – 23 X 10.5-12 Chevron; Left |
When Ordering Replacement Parts:
- = USE PAINT
CODE: TK=BLACK

Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>