The Kubota M125A coolant capacity is listed as 3.17 gal (12 L). It also lists coolant type ethylene glycol-based coolant and ASTM D3306 compatible and antifreeze mix 50/50 coolant and water mix.
Kubota M125A Coolant Capacity
| Coolant capacity | 3.17 gal (12 L) |
|---|---|
| Radiator capacity | 3.17 gal (12 L) |
| Coolant type | ethylene glycol-based coolant and ASTM D3306 compatible |
| Antifreeze mix | 50/50 coolant and water mix |
| Engine model | V3800 |
| Engine horsepower | 123 hp (91.7 kW) |
| Engine displacement | 5.8 L (353.9 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota M125A Coolant and Engine Notes
| Coolant capacity note | The Kubota M125A coolant spec points to 3.17 gal (12 L). Do not rely on the radiator-only amount if the full cooling-system capacity is available |
|---|---|
| Radiator capacity note | Radiator capacity is listed as 3.17 gal (12 L). The full cooling system can be higher because coolant also sits in the engine and hoses |
| Coolant type note | Use the right coolant formula for the Kubota M125A: ethylene glycol-based coolant and ASTM D3306 compatible. Cheap wrong coolant is not a smart saving if it causes corrosion or deposits |
| Antifreeze mix note | The 50/50 coolant and water mix mix gives the Kubota M125A coolant system a sensible balance of freeze protection, boil protection and corrosion protection |
| Engine context note | The Kubota M125A engine data captured here is engine model V3800, engine horsepower 123 hp (91.7 kW), and displacement 5.8 L (353.9 cu in). Bigger engines usually need more coolant and more careful refill bleeding |
| Refill note | Coolant changes are simple but easy to do sloppily. On the Kubota M125A, plan around 3.17 gal (12 L) and confirm the final level after air works out of the system |
Kubota M125A Coolant Capacity FAQ
How much coolant does the Kubota M125A take?
The main coolant amount captured for the Kubota M125A is 3.17 gal (12 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 M125A?
Yes. Capacity tells you how much to buy; coolant type tells you what to buy. For the Kubota M125A, the captured coolant type is ethylene glycol-based coolant and ASTM D3306 compatible.
What antifreeze mix does the Kubota M125A use?
The captured antifreeze mix for the Kubota M125A 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 M125A 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.
Why does the Kubota M125A coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota M125A, the supporting engine data is engine model V3800, horsepower 123 hp (91.7 kW), and displacement 5.8 L (353.9 cu in).
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.
