Kubota MX5400 User Manual (English)

Questions and Answers:

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Ashley NelsonAug 9, 2025
Why is my Kubota MX5400 Tractor engine difficult to start?
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  Teresa BrownAug 10, 2025
  If your Kubota Tractor engine is hard to start or won't start, several factors could be at play. First, check for fuel flow by examining the fuel tank and filter, replacing the filter if needed. Air or water in the fuel system can also be a culprit; ensure the fuel-line-coupler bolt and nut are tight and bleed the fuel system. In cold conditions, thickened oil can slow the engine; consider using a lower viscosity oil or an engine-block-heater. Weak battery can prevent the engine from turning over quickly enough, so clean the battery cables and terminals, charge the battery, and store it indoors during cold weather. Finally, a preheat (glow plug) system issue could be the cause; check the slow-blow-fuse and the functionality of the preheat system in cold weather.
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johnsonelizabethAug 19, 2025
What to do if Kubota MX5400 Tractor engine overheats?
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  Amy WardAug 19, 2025
  If your Kubota Tractor's engine is overheating, several issues could be the cause. First, check if the engine is overloaded and shift to a lower gear or reduce the load. Also, check the coolant level and fill the cooling system to the correct level, inspecting the radiator and hoses for leaks. Inspect the fan belt for looseness or damage, adjusting or replacing it as necessary. Remove any trash from the radiator core or grille screens. Finally, a corroded coolant flow route can also cause overheating, so flush the cooling system.
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Amanda ObrienAug 29, 2025
Why are Kubota MX5400 exhaust fumes colored?
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  stonekatherineAug 29, 2025
  If the exhaust fumes from your Kubota Tractor are colored, the fuel quality may be poor, so change the fuel and the fuel filter. There may be too much oil, so check the proper amount of oil. The air cleaner may be clogged, so clean or replace the air-cleaner-element. If the inside of the exhaust muffler is damped from fuel, check to see if the preheat (glow plug) functions in cold weather and heat the muffler by applying load to the engine. If there is trouble of injection nozzle, check the injection nozzle.

Kubota MX5400 Specifications

General

Engine Type	Diesel
Horsepower	54.7 HP
3-Point Hitch	Category I
Wheelbase	74.6 inches
Engine Power (Gross)	54.7 HP
Fuel Type	Diesel
Brakes	Wet Disc
Hydraulic System Type	Open Center
PTO	Independent
Cylinders	4
PTO Power	45 hp
Lift Capacity	2, 310 lbs
Engine	Kubota V2403-CR-E5
Displacement	148.5 cu in (2.4 L)
Rated RPM	2600 RPM
Number of Gears	8 forward, 8 reverse
Steering	Hydrostatic Power
3-Point Hitch Lift Capacity at 24 inches behind lift point	2, 310 lbs
PTO RPM	540