Parts Manual for 18.5 GROSS HP 42" HYDRO DRIVE TRACTOR ST SERIES Model No. Description 2691183-00 ST18542 1696461-00 42" Grass Collector Briggs & Stratton Yard Power Products Group 535 Macon Road McDonough, GA, 30253 U.S.A. 800-935-2967 Manual No. 7106233 Revision: B 5/28/2014
Table Of Contents PAGE GROUP 4 Wheels and Tires Group 6 Chassis Group 8 Steering Assembly Group 10 Seat Assembly Group 12 Engine Group 14 Drive Group 18 Mower Lift Group 20 42" Mower Deck Group 24 Decals Group 26 Electrical Group 28 Electrical Schematic 30 42" Twin Catcher 18.5 GROSS HP 42" ST SERIES 3 Manual No. 7106233 TP 400-5572-A-TC-N
Wheels and Tires Group Manual No. 7106233 18.5 GROSS HP 42" 4 ST SERIES
Wheels and Tires Group Item Part No Qty Description 1 704985 Cap, Valve, Tire 2 704987 Stem, Valve 3 705014 Rim Assembly, Front 4 704986 Tube, Front 5 704990 Tire, Front 15 x 6-6 6 705007 Fitting, Grease 7 705008 Bearing, Flange 8 705039 Cap, Axle (Front Wheel Only) 9 705016 Tire, Rear 20 x 8-8 10 705005 Tube, Rear 11 705015 Rim Assembly, Rear -- 705020 Sealant, Tire (10 oz. Tube) Footnotes: 18.5 GROSS HP 42" ST SERIES 5 Manual No. 7106233
Chassis Group Manual No. 7106233 18.5 GROSS HP 42" 6 ST SERIES
Chassis Group Item Part No 5 705262 14 705308 15 705739 18 705294 25 705295 34 705268 36 705324 37 705311 52 705349 68 705326 125 705286 130 705233 137 705045 138 705428 146 705288 150 705247 151 705178 152 705129 159 705322 162 705019 175 705063 176 705137 177 705091 180 705094 181 705433 182 705060 183 705360 189 705321 191 705297 194 705352 196 705265 198 705260 199 705226 213 705363 217 705180 218 705099 228 705088 235 705173 236 705355 287 705328 297 705296 306 705353 Qty Description Dash Upper Tex Elite Hood Pnt Elite Lens LH Grille Lens RH Plate Engine Welded Chassis Screw 5/16-18 X 3/4 Smgml Tap/R Fender Nut, Hex, Crownlock 5/16-18 Screw Thdrol 5/16-18 X 1/2 Tytt Clip Fuel Line Screw Bumper Hood Large 1 75" Cupholder Bolt Air Duct Bracket Pivot Lasr/Elte/Husqlt Shield Browning W/Tex Screw Hexwsh 3/8-16 X 3/4 Screw Hex Wsh Hi-Lo 1/4 X 1/2 Unc Crossmember Lt Screw #10-24X5/8 Rnd Qudrx Gim Bushing Steering Yt/Gt Chass Wldmt Tl 12 Ga/2Pc Bushing Mnt Fend Crgo Blk Tex Dash Lower Lt Ccs Bolt 5/16-18 X 1-1/4 Screw 5/16-18 X 3/4 Smgml Tap/Bl Insert Lens Rflct RH Nut, Lock Hex Flange 5/16-18 Unc Console Deck Lift Indicator Deck Lift Plate Deck Lift Bolt, Hex Head 5/16-18 X 3/4 Rod Pivot Hood X-Piece Hood Stop Non/Stealth Stud Fastner W/'D'anti-Rotatio Spacer Fender Nut Center Lock 5/16-18 Unc Screw Hex Washead 1/4-20 X 3/8 Insert Reflective LH Nut Lock Footnotes: 18.5 GROSS HP 42" ST SERIES 7 Manual No. 7106233
Steering Assembly Group Manual No. 7106233 18.5 GROSS HP 42" 8 ST SERIES
Steering Assembly Group Item Part No Qty Description 1 705241 Wheel, Steering 2 705095 Axle Asm., Front 4 705151 Spindle Asm., LH 5 705152 Spindle Asm., RH 6 705006 Bearing, Race Thrust Harden 7 704995 Washer 25/32 x 1-5/8 x 16 Ga. 8 705319 Ring, Clip #T5304-75 9 705313 Cap, Spindle 13 704996 Washer 25/32 x 1-1/4 x 16 Ga. 14 705316 Washer, Lock Hvy Hlcl Spr 3/8 15 705348 Nut, Crown Lock 3/8-24 unf 16 705179 Shaft Steering 19 705081 Plate Steering 20 705250 Boot, Steering 21 705047 Adapter, Wheel Steering 22 705235 Steering Support Lower 26 705242 Insert, Wheel Steering 28 705322 Screw 3/8-16 x 3/4 35 705082 Gear, Sector Plate 45 705429 Washer 9/16 ID x 2-3/8 x 12 Ga. 51 705357 Nut Hex Jam Toplock 1/2-20 unf 53 705052 Washer Hardened.793 x 1.637 x.060 57 705176 Bracket Upstop 58 705086 Bolt Shoulder Sector Pivot CFM 59 705087 Washer Thrust Sector Steering 60 705358 Nut Flange Lock 5/8-11 61 705084 Draglink, LH 62 705085 Draglink, RH 63 705321 Screw 5/16-18 x 3/4 64 705132 Retainer Clip Spring Steering 66 705339 Bolt Hex Fghd 7/16-14 x 3 Serr 67 705083 Bushing PM Front Axle 68 705354 Nut Lock Flange 7/16-14 Gr. 5 69 705125 Washer 1.5 x.505 x.118 70 705097 Bracket Deck Susp. Front 122 705261 Cap Gear Sector Footnotes: 18.5 GROSS HP 42" ST SERIES 9 Manual No. 7106233
Seat Assembly Group Manual No. 7106233 18.5 GROSS HP 42" 10 ST SERIES
Seat Assembly Group Item Part No Qty Description 1 705174 Seat 2 705043 Bracket Pivot Fender 3 705017 Strap, Asm Fender 6 705351 Nut, Lock w/ins. 3/8-16 unc 7 704999 Spring, Seat Cprsn 8 705031 Bolt 5/16-18 unc x 3/4 w/sems 10 705102 Pan, Seat 21 705030 Bolt, Shoulder 5/16-18 37 705350 Nut, Lock 5/16-18 unc 40 705116 Handle Slide Seat 41 705122 Spring Latch Seat 43 705365 Bolt Fin Hex 3/8-16 unc x 3/4 44 705337 Washer 13/32 x 2-3/8 x 12 Ga. Footnotes: 18.5 GROSS HP 42" ST SERIES 11 Manual No. 7106233
Engine Group Manual No. 7106233 18.5 GROSS HP 42" 12 ST SERIES
Engine Group Item Part No Qty Description 1 33R777-0003-G1 * Engine, 18.5 Gross HP, B&S, Mod. 33R777-0003-G1 2 705267 Muffler 9 705293 Keeper Belt Engine 12 705167 Pulley Engine 15 705251 Tank Fuel 18 705272 Cap Fuel 20 705142 Control Throttle/Choke 21 705233 Screw #10 x 0.750 BOS Thread 28 705141 Fuel Line 29 705012 Spark Arrester Kit 37 704997 Clamp Hose 42 705317 Washer Lock 7/16 45 705346 Nut Keps Hex 1/4-20 unc 69 705028 Gasket 79 705054 Screw Socket HD 5/16-18 x.75 81 705023 Tube Drain Oil Easy 82 705244 Valve Oil Drain 84 705325 Screw 3/8-16 x 1-1/4 85 705032 Bolt 7/16-20 x 4 x Gr. 5-1.5 87 705031 Bolt 5/16-18 unc x 3/4 90 705323 Screw 3/8-16 x 1 94 705289 Exhaust Tube 96 705332 Washer 9/32 x 7/8 x 16 Ga. 97 705329 Screw Hexwsh Thdrol 1/4-20 x 3/4 111 705230 Purge Line Footnotes: Note* To verify your specific engine model, please reference the ID Tag located on your engine. See your local Briggs & Stratton distributor for parts and service. 18.5 GROSS HP 42" ST SERIES 13 Manual No. 7106233
Drive Group Manual No. 7106233 18.5 GROSS HP 42" 14 ST SERIES
Drive Group Item Part No Qty Description 1 ----- Transaxle, TUFFTORQ K46 BT (Order parts from transaxle manufacturer.) 2 704998 Key 15 705335 Washer 13/32 x 13/16 x 16 Ga. 17 705229 Spring Brake 26 705130 Spring Return Cruise 29 705157 Rod, Brake 33 705318 Ring E 35 705117 Rod Brake Park 42 705004 Cover Foot Pedal 49 705341 Bolt 50 705080 Pulley Idler Flat 51 705353 Lock Nut 3/8-16 52 705079 Idler V-Groove 56 704426 V-Belt Drive 64 705119 Shaft Asm. Pedal Brake Control 73 705359 Bolt 5/16-18 x 2-1/2 Gr. 5 80 705258 Strap Torque 92 705364 Bolt 5/16-18 unc x 1.25 99 705232 Rod Bypass 116 705352 Nut Lock Hex Flange 5/16-18 125 705321 Screw 5/16-18 x 3/4 143 705326 Screw 5/16-18 x 1/2 153 705000 Retainer Spring 159 705366 Pin Cotter 1/8 x 3/4 160 705029 Retainer Clip 161 704989 Spring Return Clutch 163 705263 Rod Control Pedal 166 705245 Nut Push 167 705165 Latch Brake Parking 170 705077 Keeper Belt Centerspan 171 705342 Bolt RDHD SQNK 3/8-16 unc x 2 183 705011 Spacer Split 184 705259 Handle Parking Brake 185 705343 Bolt Rdhd Sqnk 3/8-16 x 2-3/4 Gr. 5 186 705070 Spacer Retainer 187 705336 Washer 188 705078 Link Clutch Ground Drive 189 705068 Bellcrank Ground Drive 190 705069 Keeper Bellcrank Ground Drive 205 704995 Washer 206 705264 Bracket Mount Latch 207 705120 Latch Control 208 705121 Gear Sector Control 209 705136 Rod Control Cruise Footnotes: 18.5 GROSS HP 42" ST SERIES 15 Manual No. 7106233
Drive Group Manual No. 7106233 18.5 GROSS HP 42" 16 ST SERIES
Drive Group Item Part No Qty Description 210 705139 Rocker Asm. Pedal 211 704994 Bushing Brake Shaft 213 705243 Knob Control Cruise 214 705236 Pedal Forward 215 705145 Pedal Reverse 216 705096 Bracket Pulley Idler 221 705155 Retainer Spring Clip Handle 222 705367 Washer 21/32 x1-1/4 10 Ga. 225 705156 Keeper Belt Trans. 226 705144 Bracket Mount Torque 227 705327 Screw 5/16-18 x 3/4 230 705052 Washer Hardened Footnotes: 18.5 GROSS HP 42" ST SERIES 17 Manual No. 7106233
Mower Lift Group Manual No. 7106233 18.5 GROSS HP 42" 18 ST SERIES
Mower Lift Group Item Part No Qty Description 2 705239 Shaft Asm., Lift 3 705092 Lever Asm., Lift RH 7 705269 Grip, Lever 10 705098 Spring Torsion 87 705066 Pin Cotter 7/16 Bow Tie Lock 88 705183 Spring Lift Assist 89 705338 Washer Clear Zinc 90 705065 Pin Cotter 5/16 Bow Tie Lock 91 705089 Link Asm. Lift Rear 97 705322 Screw 3/8-16 x.75 Smgml Tap/R.Z 98 705093 Link Lift Susp. Front Mower 100 705356 Nut Centerlock 3/8-16 unc 101 705175 Link Asm. Lift Fixed Footnotes: 18.5 GROSS HP 42" ST SERIES 19 Manual No. 7106233
42" Mower Deck Group Manual No. 7106233 18.5 GROSS HP 42" 20 ST SERIES
42" Mower Deck Group Item Part No Qty Description 1 705314 Mower Housing 2 705345 Bolt Rdhd 5/16-18 x 3/4 6 705090 Arm Suspension 7 705233 Screw #10 x 0.750 BOS Thread 8 705059 Bolt/Washer Asm 7/16-20 unf 11 704429 Blade, 42" Hi-Lift (For bagging or discharge) 13 705058 Shaft Assembly, Mandrel 14 705048 Housing, Mandrel 15 704992 Bearing, Ball, Mandrel 19 705100 Bolt, Shoulder 20 705026 Baffle, Vortex 21 705349 Nut, Crownlock 5/16-18 unc 23 705056 Bracket, Deflector 24 704988 Cap, Sleeve 25 705103 Spring, Torsion, Deflector 26 704991 Nut, Push 27 705149 Shield, Deflector 29 705009 Rod, Hinge 30 705033 Screw Thdrol Rolling Wsh Hd 31 705050 Washer, Spacer 32 705115 Pulley, Mandrel 33 705134 Nut, Toplock, Flanged 34 705340 Bolt Carr Sh. 3/8-16 x 1-1/2 Gr. 5 36 705114 Pulley, Idler 4.50 RAW 37 705335 Washer 13/32 x 13/16 x 16 Ga. 38 705248 Keeper Belt Mandrel 40 705353 Nut, Lock Flg. 3/8-16 unc 42 705123 Spring Torsion Brake 43 705108 Spring Torsion Retainer 46 705013 Screw Thd Roll 1/4-20 x 5/8 47 705105 Bracket Clutch Cable 55 705254 Arm, Idler 56 705124 Spacer, Retainer 57 705323 Screw Hexwsh Thd 3/8-16 x 1 59 705018 Guard, Tuv Idler (94) 60 705112 Arm Brake Mower 62 705342 Bolt Rdhd Sqnk 3/8-16 unc x 2 63 705128 Arm Brake Mower 64 705133 Linkage Brake 67 705150 Handle, Clutch Cable 68 704430 V-Belt 69 705344 Bolt Rdhd Sqnk 5/16-18 x 5/8 70 705131 Clutch Asm. Manual 111 705159 Bracket Wheel Gauge LH Footnotes: 18.5 GROSS HP 42" ST SERIES 21 Manual No. 7106233
42" Mower Deck Group Manual No. 7106233 18.5 GROSS HP 42" 22 ST SERIES
42" Mower Deck Group Item Part No Qty Description 112 705160 Bracket Wheel Gauge RH 113 705320 Screw 5/16-18 116 705003 Bolt Shoulder "A" 2.41 "B" 1.66 117 705051 Wheel Gage 119 705333 Washer 3/8 x 7/8 x 14 Ga. 122 705109 Keeper Belt Eng. LH 123 705110 Keeper Belt Eng. RH 144 705126 Keeper Belt 145 705061 Pulley Idler Primary 147 705148 Spring Return 152 705292 Cable Clutch Manual w/spr. 188 705088 Stud Fastener 189 705352 Nut Lock Hex Flange 192 705111 Bracket Brake Stand LH 195 705322 Screw Hexwsh Thdr 3/8-16 x 3/4 241 705025 Screw #10-32.5 3/8 Flange 242 705231 Port Washout -- 705234 Coupling Quick Connect -- 705057 Mandrel Assembly (Includes housing (Key #14), shaft assembly (Key #13), and bearing (Key #15) only - pulley/nut/washer and blade bolt/washers not included) -- -- Replacement Mower, Complete Footnotes: 18.5 GROSS HP 42" ST SERIES 23 Manual No. 7106233
Decals Group Manual No. 7106233 18.5 GROSS HP 42" 24 ST SERIES
Decals Group Item Part No Qty Description 1 705304 Decal, Hood RH/LH 2 705283 Decal, Keep Hand Away 3 705302 Decal, Side Panel 4 705303 Decal, Fender 5 705299 Decal, Eng H.P. 6 705279 Decal, Fender Operator's 7 705431 Decal, Fender LH/RH 9 705021 Decal, Battery Dnge/Poi 11 705285 Decal, Replacement 13 705305 Decal, Steering Wheel 14 705284 Decal, Mower Schematic -- 705182 Pad, Footrest RH -- 705181 Pad, Footrest, LH -- 705432 Quick Start Guide -- 705287 Decal, Bypass -- 705306 Manual, Operator's (English/Spanish) -- 705307 Manual, Parts (English/Spanish) Footnotes: 18.5 GROSS HP 42" ST SERIES 25 Manual No. 7106233
Electrical Group Manual No. 7106233 18.5 GROSS HP 42" 26 ST SERIES
Electrical Group Item Part No Qty Description 1 705027 Battery 2 705362 Bolt Hex Head 1/4-20 x 3/4 8 705062 Box Battery 16 705042 Switch Interlock Push-In 21 705298 Harness Socket Light w/4152j 22 704984 Bulb Light 25 705273 Cable Starter 26 705040 Fuse 27 705346 Nut Keps Hex 1/4-20 unc 28 705237 Cable, Ground 29 705143 Switch, Seat 30 705064 Switch, Ignition 33 704428 Key/Chain 34 704993 Switch Light/Reset 40 705271 Harness Ignition Dash 43 705055 Solenoid 55 705324 Screw Thdrol 5/16-18 x 3/4 TYTT 71 705270 Harness Ignition Chassis 79 705041 Socket Asm Bulb Twistlock 87 705118 Switch Interlock Clutch Cable 90 705253 Cover Terminal Battery 99 705329 Screw 1/4-20 x 3/4 102 705158 Harness Pigtail 105 705177 Switch Reverse 106 705034 Palnut 1/4" Lugs Footnotes: 18.5 GROSS HP 42" ST SERIES 27 Manual No. 7106233
Electrical Schematic Manual No. 7106233 18.5 GROSS HP 42" 28 ST SERIES
Electrical Schematic Item Part No Qty Description -- ---- Schematic for Harness #'s 2691183 & 2691202 Tractors Footnotes: 18.5 GROSS HP 42" ST SERIES 29 Manual No. 7106233
42" Twin Catcher Manual No. 7106233 18.5 GROSS HP 42" 30 ST SERIES
42" Twin Catcher Item Part No Qty Description 2 705693 NUT, CROWN LOCK #10-24 3 705694 SCREEN, COVER 4 705695 COVER ASSEMBLY (INCL. REF. NOS. 3, 38 & 39) 5 705696 CHUTE, UPPER 6 705697 SCREW, SPECIAL #10-14X1/2 7 705698 FULL BAG INDICATOR 8 705699 SCREW, #10-24 X 1-1/8 9 705700 WASHER 3/16X3/4X16 GA. 10 705701 SPACER, SPLIT 11 705702 NUT, ACORN #10-24 12 705703 WASHER, LOCK 13 705704 LATCH, CHUTE 14 705705 NUT, WELD 15 705706 LATCH, HOOK 18 705707 CHUTE, LOWER 20 705708 SCREW #10-24 X 5/8 21 705709 SPRING, COVER L.H., BLACK 22 705710 SPACER, COVER 23 705711 SPRING, COVER R.H., GRAY 24 705712 SUPPORT ASSEMBLE 25 705713 LOCKNUT 26 705714 SPRING, RETAINER 27 705715 BOLT 28 705716 BRACKET, LOCK 29 705717 BOLT, SHOULDER 5/16-18 31 705718 PLUG, TUBING END 32 705719 BAGGER, FRAME 33 705720 PIN, HINGE 34 705721 GASKET, COVER 35 705722 CONTAINER 38 705735 LATCH HANDLE, COVER 39 705724 STRIP, REINFORCEMENT *40 705725 PLATE, REINFORCEMENT *41 705726 BOLTS, CARRIAGE 1/4 *42 705727 LOCKNUTS, HEX, FLANGED ----- 705728 OWNER'S MANUAL, ENGLISH/FRENCH ----- 705729 OWNER'S MANUAL, SPANISH ----- ----- 42" Grass Catcher Kit, 1696461-00 Footnotes: * IF YOUR TRACTOR IS EQUIPPED WITH L SHAPED BRACKET THESE PARTS ARE NOT NEEDED 18.5 GROSS HP 42" ST SERIES 31 Manual No. 7106233
Parts Manual for 18.5 GROSS HP 42" HYDRO DRIVE TRACTOR ST SERIES IT IS THE POLICY OF BRIGGS & STRATTON CORP TO IMPROVE ITS PRODUCTS WHENEVER IT IS POSSIBLE AND PRACTICAL TO DO SO. WE RESERVE THE RIGHT TO MAKE CHANGES OR ADD IMPROVEMENTS AT ANY TIME WITHOUT INCURRING ANY OBLIGATION TO MAKE SUCH CHANGES ON PRODUCTS Briggs & Stratton Yard Power Products Group 535 Macon Road McDonough, GA, 30253 U.S.A. 800-935-2967 www.snapper.com Copyright 2014 Briggs & Stratton Corporation Milwaukee, WI USA. All Rights Reserved Manual No. 7106233 Revision: B 5/28/2014