The Kubota M125 coolant capacity is listed as 3.3 gal (12.5 L). It also lists coolant type ethylene glycol-based coolant and antifreeze mix 50/50 coolant and water mix.
Kubota M125 Coolant Capacity
| Cooling system capacity | 3.3 gal (12.5 L) |
|---|---|
| Coolant type | ethylene glycol-based coolant |
| Antifreeze mix | 50/50 coolant and water mix |
| Engine model | M125X |
| Engine horsepower | 125 hp (93.2 kW) |
| Engine displacement | 6.1 L (372.2 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota M125 Coolant and Engine Notes
| Coolant capacity note | The Kubota M125 coolant spec points to 3.3 gal (12.5 L). Do not rely on the radiator-only amount if the full cooling-system capacity is available |
|---|---|
| Coolant type note | For the Kubota M125, coolant type matters as much as capacity. The clean captured value is ethylene glycol-based coolant |
| Antifreeze mix note | The Kubota M125 antifreeze mix is listed as 50/50 coolant and water mix. That is the normal protection range for freezing, boiling and corrosion control |
| Engine context note | For the Kubota M125, the supporting engine specs are engine model M125X, engine horsepower 125 hp (93.2 kW), and displacement 6.1 L (372.2 cu in). Use them as context beside the coolant capacity, not as a replacement for the manual |
| Refill note | The practical service move for the Kubota M125: buy enough coolant for 3.3 gal (12.5 L), fill to spec, run the engine, then recheck the radiator and overflow bottle after cooling |
Kubota M125 Coolant Capacity FAQ
How much coolant does the Kubota M125 take?
The main coolant amount captured for the Kubota M125 is 3.3 gal (12.5 L). Buy a little extra so you can top up after the engine warms up and cools down.
Does coolant type matter on the Kubota M125?
Yes. Capacity tells you how much to buy; coolant type tells you what to buy. For the Kubota M125, the captured coolant type is ethylene glycol-based coolant.
What antifreeze mix does the Kubota M125 use?
The captured antifreeze mix for the Kubota M125 is 50/50 coolant and water mix. A 50/50-style mix is the common practical answer unless your manual or climate calls for something different.
When should the Kubota M125 coolant be replaced?
Use the service interval in the operator manual as the service guide. Coolant can look okay but still lose corrosion protection over time.
What engine specs affect Kubota M125 coolant capacity?
The captured engine context is engine model M125X, horsepower 125 hp (93.2 kW), and displacement 6.1 L (372.2 cu in). Engine size is one reason coolant capacity changes between tractors.
Mistakes do happen. Tractor coolant specs can change by year, market, engine, radiator, cab/heater setup and service procedure. Please check the operator manual, decal information and official kubotausa.com website for official information before draining or refilling the cooling system.
