Toro TITAN HD 74466 - User Manual

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FormNo.3421-127RevB

48in,52in,or60inTITAN

®

HD

1500,2000,or2500SeriesRiding

Mower

ModelNo.74450—SerialNo.402100000andUp

ModelNo.74451—SerialNo.402100000andUp

ModelNo.74452—SerialNo.402100000andUp

ModelNo.74463—SerialNo.402100000andUp

ModelNo.74465—SerialNo.400000000andUp

ModelNo.74466—SerialNo.400000000andUp

ModelNo.74467—SerialNo.400000000andUp

ModelNo.74470—SerialNo.402100000andUp

ModelNo.74471—SerialNo.402100000andUp

ModelNo.74472—SerialNo.402100000andUp

ModelNo.78450—SerialNo.402100000andUp

ModelNo.78472—SerialNo.400000000andUp

Registeratwww.Toro.com.

OriginalInstructions(EN)

*3421-127*B

Table of Contents

Questions and Answers

O
olesterAug 19, 2025
Why is my Toro Lawn Mower engine overheating?
- W
  Wesley GreerSep 12, 2025
  If your Toro Lawn Mower engine overheats, it might be due to several reasons. The engine load could be excessive, so try reducing the ground speed. Also, check if the oil level in the crankcase is low and add oil if needed. Obstructions in the cooling fins and air passages can also cause overheating, so remove any obstructions. Another possible cause is a dirty air cleaner, in which case you should clean or replace the air-cleaner element. If the issue persists, there might be dirt, water, or stale fuel in the fuel system, and you should contact an Authorized Service Dealer.
A
Anthony BraunAug 22, 2025
What to do if my Toro TITAN HD 74466 starter does not crank?
- J
  joseph11Aug 22, 2025
  If your Toro Lawn Mower starter doesn't crank, first ensure the blade-control switch is disengaged. Next, make sure the motion-control levers are in the NEUTRAL-LOCK position. If it still doesn't crank, the battery might be dead, so charge it. Check the electrical connections for good contact if they are corroded or loose. Also, inspect the fuse and replace it if it's blown. If none of these steps work, a relay or switch might be damaged, and you should contact an Authorized Service Dealer.
N
nicole96Aug 25, 2025
Why does my Toro TITAN HD 74466 Lawn Mower engine lose power?
- B
  Brittney WalkerAug 26, 2025
  If your Toro Lawn Mower engine loses power, first ensure that the engine load is not excessive by reducing the ground speed. Check the air cleaner for dirt and clean it if necessary. Verify that the oil level in the crankcase is adequate; add oil if it's low. Also, inspect the cooling fins and air passages for any obstructions and remove them. Check the fuel cap; if the vent hole is plugged, clean or replace it. If there is dirt in the fuel filter, replace it. If the problem persists, there may be dirt, water, or stale fuel in the fuel system, and you should contact an Authorized Service Dealer.
D
Daniel KramerAug 27, 2025
Why is my Toro Lawn Mower vibrating so much?
- T
  theresa58Aug 28, 2025
  If your Toro Lawn Mower machine vibrates abnormally, the cutting blades might be bent or unbalanced, so install new ones. Ensure the blade mounting bolt is tight. Check the engine mounting bolts and tighten them if they are loose. Also, inspect the engine pulley, idler pulley, or blade pulley for looseness and tighten the appropriate pulley. If the engine pulley is damaged or the blade spindle is bent, or the motor mount is loose or worn, you should contact an Authorized Service Dealer.
J
James RhodesAug 30, 2025
What to do if my Toro Lawn Mower does not drive?
- J
  John KimAug 31, 2025
  If your Toro Lawn Mower does not drive, make sure the bypass valves are closed tight by tightening them. If the pump belt is worn, loose, or broken, or if the pump belt is off a pulley, change the belt. If the idler spring is broken or missing, replace the spring. Check the hydraulic fluid level; if it's low, add hydraulic fluid to the reservoirs, or let it cool down if it is too hot.
M
mitchellmichelleSep 3, 2025
Why is the clutch not engaging on my Toro TITAN HD 74466?
- J
  John BurnsSep 3, 2025
  If your Toro Lawn Mower clutch does not engage, replace the fuse. Check the coil resistance, battery charge, charging system, and wiring connections, and replace components if necessary. Check the coil resistance, battery charge, charging system, and wiring connections and replace parts if necessary if there is low voltage supply at the clutch. If the coil is damaged, replace the clutch. If there is inadequate current supply, repair or replace the clutch lead wire or electrical system and clean the connector contacts. If the rotor/armature air gap is too large, remove the shim or replace the clutch.
C
Cody HopkinsSep 6, 2025
How to fix uneven cutting height on my Toro Lawn Mower?
- J
  John FletcherSep 6, 2025
  If the cutting height of your Toro Lawn Mower is uneven, start by sharpening the blades. If a cutting blade is bent, install a new one. Ensure the mower is level from side-to-side and front-to-rear. If applicable, adjust the anti-scalp wheel height. Clean the underside of the mower deck. Adjust the tire pressure. If a blade spindle is bent, you should contact an Authorized Service Dealer.
S
Shannon EvansSep 8, 2025
Why does my Toro TITAN HD 74466 Lawn Mower pull to one side?
- B
  Bethany PottsSep 9, 2025
  If your Toro Lawn Mower pulls to the left or right (with levers fully forward), you may need to adjust the tracking. Also, ensure the tire pressure in the drive tires is correct by adjusting it.
B
bryan41Sep 12, 2025
Why are the blades not rotating on my Toro TITAN HD 74466 Lawn Mower?
- C
  Charles MortonSep 12, 2025
  If the blades on your Toro Lawn Mower do not rotate, install a new drive belt if the current one is worn, loose, or broken. If the drive belt is off of the pulley, reinstall the drive belt and check the adjusting shafts and belt guides for the correct position. If the power takeoff (PTO) switch or PTO clutch is faulty, or if the mower belt is worn, loose, or broken, you should contact an Authorized Service Dealer for the PTO switch/clutch, or install a new mower belt.
K
karen86Nov 15, 2025
Why won't my Toro Lawn Mower engine start?
- C
  Christina WilsonNov 15, 2025
  If your Toro Lawn Mower engine doesn't start, starts hard, or fails to keep running, the fuel tank might be empty, so fill it up. Ensure the fuel-shutoff valve is open. Check the oil level in the crankcase and add oil if needed. Make sure the throttle is positioned midway between the slow and fast settings. If there's dirt in the fuel filter, replace it. If these steps don't resolve the issue, there may be dirt, water, or stale fuel in the fuel system, a dirty air cleaner, a malfunctioning seat switch, corroded or damaged electrical connections, a worn or damaged relay or switch, a fouled or improperly gapped spark plug, or a disconnected spark-plug wire. For the fuel system, relay/switch, you should contact an Authorized Service Dealer. Clean or replace the air-cleaner element. Check the ...

Summary

Safety

General Safety

Guidelines for safe operation and handling of the machine.

Slope Indicator

Operation

Before Operation Procedures

Pre-operation checks, safety, and fueling guidelines.

During Operation Procedures

Safe operation, controls, and mowing techniques.

After Operation Procedures

Maintenance

Maintenance Schedule and Safety

Overview of scheduled maintenance, pre-maintenance safety, and lubrication.

Engine Servicing

Procedures for servicing the engine, including air filters, oil, and spark plugs.

Drive System and Chassis Maintenance

Hydraulic System and Mower Deck Maintenance

Troubleshooting

Engine and Drive System Issues

Summary

Safety

General Safety

Guidelines for safe operation and handling of the machine.

Slope Indicator

Operation

Before Operation Procedures

Pre-operation checks, safety, and fueling guidelines.

During Operation Procedures

Safe operation, controls, and mowing techniques.

After Operation Procedures

Maintenance

Maintenance Schedule and Safety

Overview of scheduled maintenance, pre-maintenance safety, and lubrication.

Engine Servicing

Procedures for servicing the engine, including air filters, oil, and spark plugs.

Drive System and Chassis Maintenance

Hydraulic System and Mower Deck Maintenance

Troubleshooting

Engine and Drive System Issues

Toro TITAN HD 74466 Specifications

General

Ground Speed Forward	10 mph
Ground Speed Reverse	5 mph
Starting System	Electric
Cutting Width	60 inches
Blade Tip Speed	18, 500 fpm
Seat	High-back with armrests
Oil Capacity	2 quarts

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