Parts Manual for RZT TWIN STICK HYDRO DRIVE 250 Z 38" & 42" SERIES 0 & 1 MODEL RZT185380BVE (7800009) RZT185381BVE (7800151) RZT20420BVE2 (7800010) RZT20421BVE2 (7800152) McDonough, GA, 30253 U.S.A. Briggs & Startton Yard Power Products Group Copyright © 2007 Briggs & Startton Corporation Milwaukee, WI USA. All Rights Reserved Manual No.
Table Of Contents PAGE 4 6 8 10 12 16 20 22 24 26 30 34 36 38 40 42 44 46 48 50 52 54 GROUP WHEEL GROUP FRONT AXLE GROUP FRAME GROUP TRANSAXLE GROUP CONTROL GROUP, LH CONTROL GROUP, RH PARK BRAKE GROUP SNAPPER FENDER GROUP SEAT GROUP ENGINE GROUP (18.
Manual No.
WHEEL GROUP Item Part No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 7059090 7039477 7035618 7035358 7029275 7012234 7091772 7035359 7090839 7050539 7078114 7078119 7050538 7078113 7078109 7027192 Qty 2 1 1 2 1 1 2 2 2 2 1 1 2 1 1 8 Description Note ASSEMBLY, Front Wheel & Tire RIM, Caster Wheel TIRE, 11 x 4.00-5, Smooth Tread BALL BEARING, .625 x 1.38 GREASE FITTING, 1/4-28 thread forming VALVE STEM, Snap In SCREW, 7/16-14 x 6”, Hex Head Cap, GR 5 TUBE, 5/8 O.D. x 14 Ga. Wall x 4.
FRONT AXLE GROUP Manual No.
FRONT AXLE GROUP Item Part No 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 7100321 7013864 7400075 7013855 7012709 7091558 7090250 7011309 7012706 7091894 7091703 7091595 7090377 7300080 7200028 7032030 7091299 7300187 7091905 7091601 7091508 7091706 7100417 7077683 7300004 7090188 7091318 Qty 1 3 2 4 2 1 2 2 2 1 2 4 2 1 2 2 2 1 6 6 8 20 2 8 2 8 4 Description Note FRONT AXLE, Cast (Cardinal Red) LUBE FITTING, 3/16” Press-In WELDMENT, Caster (Cardinal Red) THRUST WASHER, 1” I.
FRAME GROUP Manual No.
FRAME GROUP Item Part No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 7500012 7300181 7091601 7300006 7091811 7300184 7091508 7300226 7091905 7043307 7043309 7091742 7300342 7091070 7091894 7044760 7400021 7200034 7091587 7091218 7100103 7090122 7091585 7100266 7100287 Qty 1 1 12 1 4 1 6 1 8 1 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 Description Note SUB-ASSEMBLY, Frame, (Red Paint) includes 22 Items shown below FRAME, RZT (Cardinal Red) NUT, 5/16-18 Hex Flange Lock, GR 5 TANK BRACKET BOLT, 5/16
TRANSAXLE GROUP Manual No.
TRANSAXLE GROUP Item Part No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 7400020 7100229 7091294 7012431 7091867 7014664 7091298 7078112 7078111 7300082 7200046 7091601 7091908 7091830 7015686 7091944 7300000 7100102 7090188 7091703 7090377 2159106 1735484 Qty 1 2 2 2 8 2 12 1 1 1 1 1 2 4 8 4 2 1 8 2 2 1 2 Description Note WELDMENT, Transaxle Support ROD, Roll Release WASHER, .28 x .63 x .
CONTROL GROUP, LH Manual No.
CONTROL GROUP, LH Item Part No Qty Description Note 1 2 3 4 5 6 7 8 9 10 11 12 13 7043338 7043336 7100051 7013874 7043301 7900016 7027344 7011121 7090658 7200012 1670971 7014409 7091299 1 1 1 2 1 1 1 1 2 1 1 2 2 HANDLE WELDMENT, LH Control Arm FOAM GRIP, Handle BUSHING WELDMENT, Control Bracket, LH WASHER, 5/8 ID x 1.00 OD x .065 Nylon WASHER, 5/8” Flat SAE WASHER, .64 x 1.12 x .028 Beveled NUT, 5/8-18 Hex Jam SHOULDER BOLT, 3/8-16 THRUST WASHER, .562 ID x 1.000 OD x .030/.
CONTROL GROUP, LH Manual No.
CONTROL GROUP, LH Item Part No 37 38 39 40 7900000 7091594 7100487 7300489 Qty 1 1 1 1 Description Note CLEVIS PIN, 7/16 x 1” COTTER PIN, 1/2 Self Locking, YZ CLIP, Spring BRACKET, Fender Support, LH RZT Footnotes: RZT TWIN STICK HYDRO DRIVE 250 Z SERIES 0 & 1 Manual No.
CONTROL GROUP, RH Manual No.
CONTROL GROUP, RH Item Part No 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 7043338 7200004 7100051 7900029 7092126 7091628 7013874 7400001 7900016 7027344 7011121 7090658 7091686 7300009 7300008 7400006 7091304 7091619 7300032 7023355 7090913 7091299 7014409 1670971 7200012 7900003 7900002 5022978 7200006 7100415 7091603 7200005 7091497 7500059 7027936 7091630 7090517 Qty 1 1 1 2 2 1 2 1 1 1 1 2 6 1 1 1 4 4 1 1 2 2 2 1 1 1 1 1 1 2 2 1 1 1 1 3 3 Descr
CONTROL GROUP, RH Manual No.
CONTROL GROUP, RH Item Part No 37 38 39 40 41 7074511 7200009 7900000 7091594 7300354 Qty 1 1 1 1 1 Description Note SPRING, Compression (Brake) ROD, Link Fwd./Rev. (3/8-24 thread) CLEVIS PIN, 7/16 x 1” COTTER PIN, 1/2 Self Locking, YZ BRACKET, Fender Support, RH Footnotes: RZT TWIN STICK HYDRO DRIVE 250 Z SERIES 0 & 1 Manual No.
PARK BRAKE GROUP Manual No.
PARK BRAKE GROUP Item Part No Qty Description Note 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 7090913 7091298 7091811 7043312 7091601 7024159 7200007 7043311 7091192 7025074 7011078 7043335 7091294 7100100 7300007 7091495 7091705 2 1 2 1 2 1 1 1 1 1 1 1 2 1 1 2 1 SCREW, #10-24 x 1/2” Hex Washer Self-Tap (Torx) NUT, 5/16-18 Hex Nyloc BOLT, 5/16-18 x 5/8” Hex Flange Lock, GR 5 BRACKET, Park Brake, LH Lower NUT, 5/16-18 Hex Flange Lock, GR 5 COTTER PIN, 3/8” Self-Locking ROD, Park Brake BRACKET, Park Bra
SNAPPER FENDER GROUP Manual No.
SNAPPER FENDER GROUP Item Part No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 7100007 7100006 7091811 7011791 7090951 7300178 7091819 7300112 7090999 7023295 7300283 7091905 7091601 7100112 7091890 7100825 7100012 7900023 Qty 1 1 4 4 4 1 2 1 5 3 1 2 2 1 2 2 1 2 Description Note FENDER, LH RZT FENDER, RH RZT BOLT, 5/16-18 x 5/8” Hex Flange Lock, GR 5 BOLT RETAINER, 5/16” Black NUT, 5/16-18 Hex Large Flange Center Lock COVER, Front, Snapper SCREW, 1/4-20 x 5/8” Hex Washer Self-Tap, YZ PANEL, Control SCR
SEAT GROUP Manual No.
SEAT GROUP Item Part No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 7100005 7300057 7023191 7090187 7043316 7091304 7090390 7091619 7091591 7074218 7091298 7200008 7024159 7011078 7091742 7091315 7014098 7028620 7043308 7091318 7091601 7091198 Qty 1 1 2 2 1 2 2 2 2 2 4 1 1 2 2 2 2 2 1 2 2 1 Description Note ASSEMBLY, 15” Seat, w/Armrests SEAT PLATE KNOB, Three Prong, 5/16-18 thread WASHER, 5/16” Split Lock BRACKET, Seat Support SCREW, 3/8-16 x 1” Hex Head Cap, GR 5, YZ WASHER, 3/8” Interna
ENGINE GROUP (18.5 HP Briggs) Manual No.
ENGINE GROUP (18.5 HP Briggs) Item Part No Qty Description Note Model 31P777 0121 B1 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 1730219 7090324 7043343 7013250 1717664 7029138 7091301 7092130 1726498 7900020 7091867 7028564 7100529 7091195 7090999 7100797 7090390 7090155 7012080 7100101 7100160 7015352 7091315 7091738 7090290 7300237 7091495 7091294 7090052 7091576 7078234 1 4 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 3 1 1 1 3 2 2 1 1 2 1 1 1 * ENGINE, 18.
ENGINE GROUP (18.5 HP Briggs) Manual No.
ENGINE GROUP (18.5 HP Briggs) Item Part No 38 39 40 41 42 43 44 45 46 47 7012222 7073240 7016325 7100312 7091908 7090188 7091511 7091928 7091601 7100666 Qty 4 2 1 1 1 2 1 1 2 1 Description Note CLAMP, Fuel Line HOSE, Fuel, 5” VALVE, Fuel Shut-Off SEAL, Tank SCREW, 5/16-18 x 1-3/4” Hex Head Cap, GR 5, YZ WASHER, .34 x .69 x .
ENGINE GROUP (20 HP Briggs) Manual No.
ENGINE GROUP (20 HP Briggs) Item Part No Qty Description Note Model 441577 0118 B1 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 1729722 7090324 7043343 7013250 1717664 7029138 7091301 7092130 1726498 7900020 7091867 7075449 7100529 7091195 7090999 7100416 7090390 7090155 7012080 7078122 7100160 7063283 7091315 7091738 7091906 7300238 7091495 7091294 7090052 7091576 7078234 1 4 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 3 1 1 2 5 4 5 1 1 2 1 1 1 * ENGINE, 20 HP Briggs Intek
ENGINE GROUP (20 HP Briggs) Manual No.
ENGINE GROUP (20 HP Briggs) Item Part No 38 39A 39B 40 41 42 43 44 45 46 47 48 49 7012222 7073240 7029982 7016325 7100312 7091908 7090188 7091511 7200055 225477 7091928 7091601 7100666 Qty 4 1 1 1 1 1 2 1 1 1 1 2 1 Description Note CLAMP, Fuel Line HOSE, Fuel, .25 I.D. x 5” long HOSE, Fuel, .25 I.D. x 14” long VALVE, Fuel Shut-Off SEAL, Tank SCREW, 5/16-18 x 1-3/4” Hex Head Cap, GR 5, YZ WASHER, .34 x .69 x .
DECAL GROUP Manual No.
DECAL GROUP Item Part No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 7100467 7100335 7100334 7100505 7100413 7100331 7100340 7100333 7100332 7100341 7046720 7013010 7100420 7100421 7026154 7024910 Qty 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 Description Note DECAL, Ignition, RZT DECAL, Snapper Fender, RH DECAL, Snapper Fender, LH DECAL, Snapper DECAL, Throttle Control, RZT DECAL, Warning, Operation DECAL, Height Of Cut, RZT DECAL, Motion Control, RZT DECAL, Park Brake, RZT DECAL, Roll Release, RZT DECAL, Chute/
DECK LIFT GROUP (38/42) Manual No.
DECK LIFT GROUP (38/42) Item Part No 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 7300037 7091588 1722302 7400011 7100210 7090122 7091585 7027172 7091603 7091619 7026196 7091658 7028037 7100125 7300024 7091503 7014981 7300028 7090289 7091811 7091601 7200019 7091299 7200028 7032030 Qty 1 2 1 1 2 8 8 4 4 2 1 6 2 2 2 4 2 2 2 4 4 1 2 2 2 Description Note HANDLE, Deck Lift BOLT, 3/8-16 x 3/4” Hex Flange Lock, GR 5, YZ HANDLE GRIP, Black Flexible (Simplicity) WELDMENT, Deck Lift, 38/42 L
" DECK GROUP (Sub-Assembly) Manual No.
38" DECK GROUP (Sub-Assembly) Item Part No Qty Description Note was 7300160 (Raw 38” Deck) 1 2 3 4 5 6 7 8 9 10 11 12 13 7300271 7059377 7010817 7072440 7100278 7090658 7090595 7091601 7300031 7091026 7091602 7400090 7090850 1 2 1 2 2 2 14 19 1 2 2 1 3 DECK, 38 RZT (Cardinal Red) ASSEMBLY, 38” Spindle FITTING, Lube, Press-In (for .187 dia. Hole) SPACER, 38 Spindle Pulley PULLEY, 5.0 O. D.
38" DECK GROUP (Final Assembly) Manual No.
38" DECK GROUP (Final Assembly) Item Part No Qty Description Note 1 2 3 4 5 6 7 8 9 10 11 12 13 7029425 7035503 7091585 7035813 7035502 7091575 7091508 7091833 7090188 7036543 7091305 7090122 7034422 1 1 2 1 1 1 1 1 1 1 1 8 1 DISCHARGE CHUTE, 38” Deck ROD, Mounting, Side Discharge (3/8-16 thread) NUT, 3/8-16 Hex Center Lock, GR 5 or B, YZ SPRING, Torsion-Side Discharge-38 Deck ROD, Pivot, Side Discharge, 38 Deck NUT, 5/16-18 Hex Center Lock, GR 5 or B, YZ BOLT, 5/16-18 x 3/4” Short Neck Carriage, GR
38" DECK SPINDLE Manual No.
38" DECK SPINDLE Item Part No 1 2 3 4 5 6 7 8 9 7012491 7013313 7059378 7010817 7072537 7072109 7042998 7024467 7091633 Qty 2 2 1 1 1 1 1 2 1 Description Note * RING, 1-3/4” External Retaining Ring * BALL BEARING, 3/4” I.D. * WELDMENT, 38 Spindle Housing * FITTING, Lube, Press-In (for .187 dia. Hole) * SHAFT, Spindle (7.155” long) * WASHER, Spindle Blade * BLADE, 19.
42" DECK GROUP (Sub-Assembly) Manual No.
42" DECK GROUP (Sub-Assembly) Item Part No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 7500021 7400009 7059723 7027198 7091619 7091640 7033366 7051747 7044651 7090289 7090122 7025074 7400083 7014871 7091526 7090872 7010916 7092126 7014241 Qty 1 1 2 15 17 4 2 2 1 1 1 2 1 1 1 1 1 2 5 Description Note SUB-ASSY, 42” Deck w/Spindles WELDMENT, 42” Deck ASSEMBLY, Spindle Brake BOLT, 3/8-16 x 1” Hex Flange Lock, GR 5 NUT, 3/8-16 Hex Flange Lock BOLT, 3/8-16 x 1” Square Neck Carriage, GR 5, YZ SPINDLE BRACE AS
42" DECK GROUP (Final Assembly) Manual No.
42" DECK GROUP (Final Assembly) Item Part No Qty Description Note Ref. Sub-Assembly pages 1 2 3 4 5 6 7 8 9 10 11 7500021 7035969 7035835 7091585 1714760 2108765 7100419 7091328 7091619 7091303 7500185 1 1 4 6 4 4 1 8 8 2 1 SUB-ASSY, 42” Deck w/Spindles SPRING, Extension, 1.03 Dia. x 6.8 Long POST, Anti-Scalp NUT, 3/8-16 Hex Center Lock, GR 5 or B, YZ WHEEL, GAGE 3.92 X 1.87 BOLT, SHOULDER (3/8-16 thread) 42” BELT, A Section, 119.
42" DECK SPINDLE Manual No.
42" DECK SPINDLE Item Part No 1 2 3 4 5 6 7 8 9 10 11 12 7074467 7014407 7036437 7012491 7013313 7027668 7047917 7032294 7026691 7012063 7090824 7010817 Qty 1 1 1 2 2 1 1 1 1 2 2 1 Description Note NUT, 3/4-16 Hex Jam, GR 8 *WASHER, Spindle (Special) PULLEY, 5-1/4” O.D. w/hub *RING, 1.85” Internal Retaining *BEARING, Spindle *SHAFT, Blade Spindle (6.
ELECTRICAL GROUP Manual No.
ELECTRICAL GROUP Item Part No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 7075622 7027230 7091584 7073090 7091686 7100326 7075132 1722611 7023354 7023355 7100309 7100308 7026343 7023787 7023506 7091294 7090372 7090072 7100449 7016132 Qty 1 2 6 1 2 1 1 1 1 2 1 1 1 1 1 4 3 2 1 1 Description Note SOLENOID - Super Trombetta- 2 Terminal SCREW, 1/4-20 x 1” Hex Head Cap, GR 5 NUT, 1/4-20 Hex Flange Lock, GR 5 12 VOLT DC POWER OUTLET SCREW, 1/4-20 x 3/4” Hex Washer Self-Tap HOUR METER, Inductive SWITCH,
WIRING HARNESS Manual No.
WIRING HARNESS Item Part No 1 2 3 4 4 7100306 7100307 7100324 7042956 7100636 Qty 1 1 1 2 1 Description Note WIRING HARNESS, Briggs RZT CABLE, Battery Positive RZT, Red 20” #6 AWG WIRING HARNESS, Hour Meter, RZT WIRE, Negative, #8 AWG 14” WIRE, Negative, #8 AWG 20” Footnotes: RZT TWIN STICK HYDRO DRIVE 250 Z SERIES 0 & 1 Manual No.
WIRING SCHEMATIC (Briggs Engine) Manual No.
WIRING SCHEMATIC (Briggs Engine) Item Part No 7100306 Qty 1 Description Note WIRING HARNESS, Briggs 18 & 20 HP Footnotes: RZT TWIN STICK HYDRO DRIVE 250 Z SERIES 0 & 1 Manual No.
Parts Manual for RZT TWIN STICK HYDRO DRIVE 250 Z 38" & 42" SERIES 0 & 1 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 McDonough, GA, 30253 U.S.A. Briggs & Startton Yard Power Products Group Copyright © 2007 Briggs & Startton Corporation Milwaukee, WI USA. All Rights Reserved Manual No.
