Toro 74923 - User Manual

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FormNo.3408-484RevC

ZMaster

®

Professional6000

SeriesRidingMower

with52inTURBOFORCE

®

SideDischarge

Mower

ModelNo.74923—SerialNo.400000000andUp

ModelNo.78924—SerialNo.400000000andUp

Registeratwww.Toro.com.

OriginalInstructions(EN)

*3408-484*C

Table of Contents

Questions and Answers

S
srodriguezNov 24, 2025
Why does my Toro 74923 engine not start?
- S
  Sarah HernandezNov 24, 2025
  Several factors can prevent your Toro Lawn Mower's engine from starting. Here's what to check: * The fuel tank may be empty, in which case you should fill it. * The fuel shutoff valve may be closed; open it. * The oil level in the crankcase may be low, so add oil. * The throttle may not be in the correct position; ensure it is midway between the “SLOW” and “FAST” positions. * The fuel filter may be dirty, so replace it. * The air cleaner might be dirty, so clean or replace the air cleaner element. * The seat switch may not be functioning properly; check the seat switch indicator and replace the seat if needed. * The electrical connections could be corroded, loose, or faulty; check them for good contact, clean the connector terminals with electrical contact cleaner, apply d...
E
Eric GomezAug 25, 2025
Why won't my Toro Lawn Mower engine start?
- K
  kelly53Aug 25, 2025
  If your Toro Lawn Mower engine won't start, starts hard, or fails to keep running, try the following: * Fill the fuel tank. * Open the fuel shutoff valve. * Add oil to the crankcase. * Ensure that the throttle control is midway between the 'SLOW' and 'FAST' positions. * Replace the fuel filter. * Clean or replace the air cleaner element. * Check the seat switch indicator; replace the seat if needed. * Check the electrical connections for good contact; clean the connector terminals thoroughly with electrical contact cleaner, apply dielectric grease, and reconnect. * Clean, adjust, or replace the spark plug. * Check the spark plug wire connection.
C
Christopher VargasSep 13, 2025
Why does my Toro 74923 Lawn Mower not drive?
- R
  Rebecca HebertSep 13, 2025
  If your Toro Lawn Mower isn't driving, check if the bypass valves are closed tightly. If not, tighten them. A worn, loose, or broken pump belt can also cause this issue, so replace the belt. If the pump belt is off a pulley, replace the belt. A broken or missing idler spring can prevent driving, so replace the spring. Also, check the hydraulic oil level; if it's low, add hydraulic oil to the reservoirs, or let it cool down if it's too hot.
T
Theresa YoungSep 22, 2025
Why does the starter not crank on my Toro 74923?
- S
  steve64Sep 22, 2025
  If the starter on your Toro Lawn Mower does not crank, ensure that the blade control switch (PTO) is disengaged. Also, set the parking brake, ensure that the drive levers are in the neutral lock position, and sit on the seat. You may also need to charge the battery, check the electrical connections for good contact, or replace the fuse. If problems persist, contact an Authorized Service Dealer.
M
Michael PhillipsSep 9, 2025
What to do if my Toro 74923 clutch does not engage?
- B
  Brittany ShermanSep 9, 2025
  If the clutch on your Toro Lawn Mower doesn't engage, it could be due to a blown fuse, low voltage supply at the clutch, a damaged coil, inadequate current supply, or a rotor/armature air gap that is too large. To address this, replace the fuse, check the coil resistance, battery charge, charging system, and wiring connections, and replace components if necessary; repair or replace the clutch lead wire or electrical system and clean the connector contacts; remove the shim or replace the clutch.
T
Tiffany MclaughlinSep 23, 2025
What causes abnormal vibration in my Toro 74923?
- A
  Angela HoganSep 23, 2025
  Abnormal vibration in your Toro Lawn Mower can arise from several sources. Check if the cutting blades are bent or unbalanced and replace them if necessary. Ensure the blade mounting bolt is tight. Also, tighten the engine mounting bolts. Verify that the engine pulley, idler pulley, or blade pulley isn't loose and tighten it if needed. For a damaged engine pulley, bent blade spindle, or loose/worn motor mount, contact an Authorized Service Dealer.
J
Jason PaulDec 1, 2025
What to do if my Toro 74923 Lawn Mower engine does not start, starts hard, or fails to keep running?
- L
  Lisa WoodDec 1, 2025
  If your Toro Lawn Mower engine is having trouble starting or staying running, consider these possible causes: the fuel tank might be empty, the fuel shut-off valve could be closed, the oil level in the crankcase might be low, the throttle might not be in the correct position, the fuel filter might be dirty, the air cleaner might be dirty, the seat switch may not be functioning correctly, electrical connections may be corroded or loose, the spark plug may be fouled or improperly gapped, or the spark-plug wire may not be connected. Here are some things to try: fill the fuel tank, open the fuel shut-off valve, add oil to the crankcase, position the throttle midway between slow and fast, replace the fuel filter, clean or replace the air-cleaner element, check the seat-switch indicator and repl...
J
Jorge DelgadoSep 15, 2025
Why won't my Toro Lawn Mower drive?
- N
  Nicholas MyersSep 15, 2025
  If your Toro lawn mower isn't driving, check if the by pass valves are not closed tight and tighten them. Also, inspect the pump belt for wear, looseness, or breakage and change the belt if needed. Ensure the pump belt is on a pulley. Replace any broken or missing idler spring. Lastly, check the hydraulic oil level and add hydraulic oil to reservoirs or let it cool down if it's too hot.
B
Breanna HawkinsSep 17, 2025
What to do if the clutch on my Toro 74923 Lawn Mower does not engage?
- R
  Robert VillanuevaSep 18, 2025
  If the clutch on your Toro Lawn Mower does not engage, the fuse could be blown, so replace the fuse. Check the coil resistance, battery charge, charging system, and wiring connections, and replace components if necessary. There might be low voltage supply at the clutch, so check the coil resistance, battery charge, charging system, and wiring connections and replace parts if necessary. There could be inadequate current supply, so repair or replace the clutch lead wire or electrical system and clean the connector contacts. The rotor/armature air gap might be too large, so remove the shim or replace the clutch.
J
Joshua TaylorAug 27, 2025
Why Toro 74923 blades do not rotate?
- B
  Bridget GutierrezAug 27, 2025
  If the blades on your Toro Lawn Mower aren't rotating, it could be due to a worn, loose, or broken mower deck belt; in this case, install a new deck belt. Another possibility is that the mower deck belt is off the pulley; reinstall it and check the idler pulley, idler arm, and spring for correct position and function. Also, check the pump drive belt for wear, looseness, or breakage, and adjust the belt tension or install a new belt. Finally, inspect the idler spring and replace it if it's broken or missing.

Toro 74923 Specifications

General

Drive Type	Self-Propelled
Deck Material	Steel
Washout Port	Yes
Drive System	Rear Wheel Drive
Oil Capacity	20 oz
Cutting Width	22" (56 cm)

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