Toro 74432 User Manual

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Form No. 3354-742 Rev A

TimeCutter® ZD380 and ZD420

Riding Mowers

Model No. 74432 —Serial No. 260000001 and Up

Model No. 74433 —Serial No. 260000001 and Up

Register your product at www.Toro.com Original Instructions (EN)

Table of Contents

Questions and Answers:

J
Javier ButlerAug 16, 2025
Why won't my Toro 74432 engine start?
- S
  Shannon ComptonAug 16, 2025
  If your Toro Riding mower engine won't start, starts hard, or fails to keep running, several factors could be at play. First, ensure the fuel tank isn't empty and the fuel valve is open. Check that the choke is on and the air cleaner isn't dirty; clean or replace the air cleaner element if needed. Make sure the spark plug wire(s) is securely connected and the spark plug(s) isn't damaged—replace if necessary, ensuring correct gapping. Also, verify that the fuel filter isn't clogged with dirt. If the oil level in the crankcase is low, add oil. If the fuel system contains dirt, water, or stale fuel or the fuel tank has incorrect fuel, it's best to contact an Authorized Service Dealer.
M
Michael WallAug 19, 2025
How to fix Toro 74432 Riding mower engine overheating?
- J
  Joshua TaylorAug 19, 2025
  If the engine of your Toro Riding mower overheats, several factors could be the cause. To resolve this, first, reduce the ground speed if the engine load is excessive. Add oil to the crankcase if the oil level is low. Clear any obstructions from the cooling fins and air passages under the engine blower housing. Clean or replace the air cleaner element if it's dirty. If the issue persists, and you suspect dirt, water, or stale fuel in the fuel system, contact an Authorized Service Dealer.
K
Kevin RiveraAug 22, 2025
Why does my Toro 74432 Riding mower engine lose power?
- J
  jimenezmelissaAug 22, 2025
  If your Toro Riding mower engine loses power, there are several potential causes. First, reduce ground speed if the engine load is excessive. Clean the air cleaner element if it's dirty, and add oil to the crankcase if the oil level is low. Clear any obstructions from the cooling fins and air passages. Replace the spark plug(s) if it's pitted, fouled, or the gap is incorrect. Open the vent in the fuel cap if it's closed, and replace the fuel filter if it's dirty. If the fuel system contains dirt, water, or stale fuel, or if there is incorrect fuel in the fuel tank, contact an Authorized Service Dealer.
R
Ryan MooreAug 25, 2025
How to fix uneven cutting height on Toro 74432?
- M
  morgandeborahAug 25, 2025
  If your Toro Riding mower is producing an uneven cutting height, several factors could be the cause. Start by sharpening the blade(s), and replace any cutting blade(s) if they are bent. Ensure the mower is level from side-to-side and front-to-rear, and adjust the anti-scalp wheel height if it's not set correctly. Clean the underside of the mower if it's dirty, and adjust the tire pressure if it's incorrect. If a blade spindle is bent, contact an Authorized Service Dealer.
M
Melanie SanchezAug 27, 2025
How to improve reduced bagging performance of Toro Riding mower?
- J
  Jenna OrozcoAug 27, 2025
  To improve reduced bagging performance on your Toro Riding mower, always operate the collection mode at Fast throttle. Remove any debris, leaves, or grass clippings from the chute system, and empty the collection bag if it is full.
A
Angela WilsonAug 30, 2025
Why Toro 74432 Riding mower blades do not rotate?
- M
  Michael JacksonAug 30, 2025
  If the blades on your Toro Riding 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 it and check the adjusting shafts and belt guides for the correct position. If the mower belt is worn, loose, or broken, install a new mower belt. Also, ensure the collection bag is properly installed, seated flush with the machine frame, and the presence switch is engaged.
S
Sandra StarkSep 2, 2025
What to do if Toro 74432 starter does not crank?
- M
  melissa81Sep 2, 2025
  If the starter on your Toro Riding mower doesn't crank, make sure the blade control switch is disengaged and the motion control levers are in the brake position. Ensure you are seated on the seat. Check if the battery is dead and charge it if necessary. Also, inspect the electrical connections for corrosion or looseness, and replace the fuse if it's blown. If the problem persists, a relay or switch may be damaged, and you should contact an Authorized Service Dealer.
N
Natasha RogersSep 5, 2025
Why does my Toro Riding mower chute system clog frequently?
- L
  lucasgrossSep 5, 2025
  If your Toro Riding mower's chute system frequently clogs, try these solutions. Empty the collection bag if it's full. Always operate the collection mode at Fast throttle. Ensure you cut grass when it is dry. If the grass is too long, cut only the top 1/3, lower the height-of-cut position, and repeat. Also, drive slower at Fast throttle if the ground speed is too fast.
B
Brenda KingSep 7, 2025
How to stop abnormal vibration in Toro Riding mower?
- J
  Julie VasquezSep 7, 2025
  If your Toro Riding mower is experiencing abnormal vibration, check the following: Tighten the engine mounting bolts if they are loose. Tighten the engine pulley, idler pulley, or blade pulley if any are loose. If the engine pulley is damaged, or a blade spindle is bent, contact an Authorized Service Dealer. Install a new cutting blade(s) if they are bent or unbalanced. Tighten the blade mounting bolt if it is loose.
P
Paul HamptonSep 10, 2025
What causes debris blowout in Toro 74432?
- T
  tammycollierSep 10, 2025
  If your Toro Riding mower experiences debris blowout, empty the collection bag if it's full. Drive slower at Fast throttle if the ground speed is too fast. Also, level the mower from side-to-side and front-to-rear.

Toro 74432 Specifications

General

Engine	708 cc Toro V-Twin
Cutting Width	54 in (137 cm)
Transmission	Hydrostatic
Deck Material	10-Gauge Steel
Fuel Capacity	3 gallons
Weight	717 lb (325 kg)
Deck Type	Fabricated
Speed	5.5 mph
Turning Radius	18 inches
Warranty	3 years

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