Toro 25450W - User Manual

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FormNo.3390-971RevA

RT1200TractionUnit

ModelNo.25450W—SerialNo.314000501andUp

Registeratwww.Toro.com.

OriginalInstructions(EN)

*3390-971*A

Table of Contents

Questions and Answers

S
suzanne20Dec 1, 2025
Why does my Toro 25450W Tractor engine crank but not start?
- C
  Christy PhillipsDec 1, 2025
  If your Toro Tractor engine cranks but doesn't start, there are several potential causes. First, ensure you are following the correct starting procedure. Check if the fuel tank is empty and fill it with fresh fuel if needed. Make sure the fuel shutoff valve is open. Also, inspect the fuel system for dirt, water, stale fuel, or incorrect fuel; if present, drain and flush the system and add fresh fuel. A clogged fuel line or fuel filter could also be the issue; clean or replace them as necessary. If there's air in the fuel, bleed the nozzles and check for air leaks at the fuel hose connections and fittings between the fuel tank and engine. Check the fuse, glow plugs, and wiring. For slow cranking speed, low engine compression, or malfunctioning injection nozzles or pump, it's recommended to ...
R
ryanhernandezAug 23, 2025
What to do if my Toro 25450W Tractor engine cranks but won't start?
- C
  Christopher BrewerAug 23, 2025
  If your Toro Tractor's engine cranks but refuses to start, first ensure you're following the correct starting procedure. Check that the fuel tank isn't empty and the fuel shutoff valve is open. Also, verify the fuel system isn't contaminated with dirt, water, or stale fuel; if it is, drain and flush the system and add fresh fuel. Furthermore, inspect the fuel line for clogs and clean or replace it if necessary.
J
Jo ChapmanAug 25, 2025
Why does my Toro Tractor engine start but not keep running?
- G
  Gregory SpearsAug 26, 2025
  If your Toro Tractor engine starts but then stops, a restricted fuel tank vent could be the issue; try loosening the cap. If the engine runs with the cap loosened, replace the cap. Also, check for dirt or water in the fuel system and flush it out, replacing it with fresh fuel. Ensure the fuel filter isn't clogged by replacing it. Finally, make sure there is no air in the fuel by bleeding the nozzles and checking for air leaks at the fuel hose connections and fittings between the fuel tank and the engine.
T
Tonya WrightAug 27, 2025
What causes excessive black smoke from a Toro Tractor exhaust?
- M
  Mrs. Jennifer MacdonaldAug 27, 2025
  If you notice excessive black smoke in the exhaust of your Toro Tractor, service the air cleaning system elements. If there is improper fuel in the fuel system, drain and flush the fuel system, then add fresh fuel.
H
hudsonmonicaAug 27, 2025
Why is there excessive white smoke in my Toro Tractor exhaust?
- S
  Suzanne HernandezAug 27, 2025
  If you're seeing excessive white smoke from your Toro Tractor's exhaust, make sure you allow the glow plug light to turn off before starting the engine by turning the key to the Run position. If the engine temperature is low, check the thermostat and replace it if necessary. Also, check the fuse, glow plugs, and wiring.
S
Susan ChristianSep 18, 2025
What causes a Toro Tractor engine to run but knock or miss?
- M
  Michael HoganSep 18, 2025
  If the engine runs but knocks or misses, it could be due to dirt or water in the fuel system (drain and flush the fuel system and add fresh fuel), or the engine may be overheating (check the engine oil level and service the coolant system, if necessary). Also, there may be air in the fuel (bleed the nozzle and check for air leaks). For damaged injection nozzles, low engine compression, excessive carbon buildup, or internal engine wear or damage, contact your Authorized Service Dealer.
G
gromanSep 15, 2025
Why does my Toro 25450W Tractor engine run but knocks or misses?
- R
  Richard LunaSep 15, 2025
  If your Toro Tractor engine runs but knocks or misses, it could be due to dirt or water in the fuel system. In this case, drain and flush the fuel system, then add fresh fuel. Overheating can also cause this; check the engine oil level and add oil if needed, and service the coolant system if necessary. Another potential cause is air in the fuel; bleed the nozzle and check for air leaks at the fuel hose connections and the fittings between the fuel tank and the engine. For damaged injection nozzles, low engine compression, excessive carbon buildup, or internal wear or damage, it's best to contact your Authorized Service Dealer.
M
mthomasSep 17, 2025
Why does my Toro Tractor engine lose power?
- W
  William PooleSep 18, 2025
  If your Toro Tractor engine loses power, it could be due to several reasons. If the engine is under an excessive load, reduce the ground speed of the machine. Check the engine oil level and adjust it to the Full mark if it's too low or too high. Dirty air cleaning system elements can also cause power loss, so service them. Ensure there is no dirt or water in the fuel system by draining and flushing it, then adding fresh fuel. Overheating, air in the fuel, or a restricted fuel tank vent can also lead to power loss. For issues like low engine compression or a damaged injection pump, contact your Authorized Service Dealer.
B
Brandon SchneiderSep 7, 2025
Why is there excessive black smoke from my Toro Tractor exhaust?
- K
  kperkinsSep 7, 2025
  Excessive black smoke in the exhaust may be caused by dirty air cleaning system elements (service them) or improper fuel in the fuel system (drain and flush the fuel system, then add fresh fuel). For issues with the injection pump timing, a damaged injection pump or nozzles, or a damaged turbo charger, contact your Authorized Service Dealer.
M
Mrs. Amber DavisSep 4, 2025
Why won't my Toro 25450W Tractor starter crank?
- K
  Kaitlin ReeseSep 5, 2025
  The starter might not crank due to several reasons: the electrical connections may be corroded or loose (check them for good contact), a fuse might be blown (replace it) or loose (install it), the battery could be discharged (charge or replace it). For damaged relays, switches, starter, starter solenoid, or seized internal engine components, contact your Authorized Service Dealer.

Toro 25450W Specifications

General

Deck Type	Fabricated
PTO Engagement	Electric
Horsepower	24.5 hp
Cutting Width	50" (127 cm)
Drive System	Hydrostatic
Transmission	Hydrostatic
Deck Material	10 ga. Steel
Tire Size Front	15" x 6" - 6" (38.1 cm x 15.2 cm - 15.2 cm)
Tire Size Rear	20" x 10" - 8" (50.8 cm x 25.4 cm - 20.3 cm)

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