The Kubota M125D coolant capacity is listed as 3.35 gal (12.7 L). It also lists coolant type ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible and antifreeze mix 50/50 coolant and water mix.
Kubota M125D Coolant Capacity
| Coolant capacity | 3.17 gal (12 L) |
|---|---|
| Cooling system capacity | 3.35 gal (12.7 L) |
| Radiator capacity | 3.17 gal (12 L) |
| Coolant type | ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible |
| Antifreeze mix | 50/50 coolant and water mix |
| Engine model | V3307-CR-TI-E5 |
| Engine horsepower | 123.2 hp (91.9 kW) |
| Engine displacement | 5.8 L (355.9 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota M125D Coolant and Engine Notes
| Coolant capacity note | For service planning, the Kubota M125D should be treated as 3.35 gal (12.7 L) coolant capacity. That is a larger cooling system where you should buy extra coolant before draining it |
|---|---|
| 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 | For the Kubota M125D, coolant type matters as much as capacity. The clean captured value is ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible |
| Antifreeze mix note | The 50/50 coolant and water mix mix gives the Kubota M125D coolant system a sensible balance of freeze protection, boil protection and corrosion protection |
| Engine context note | The Kubota M125D engine data captured here is engine model V3307-CR-TI-E5, engine horsepower 123.2 hp (91.9 kW), and displacement 5.8 L (355.9 cu in). Bigger engines usually need more coolant and more careful refill bleeding |
| Refill note | The practical service move for the Kubota M125D: buy enough coolant for 3.35 gal (12.7 L), fill to spec, run the engine, then recheck the radiator and overflow bottle after cooling |
Kubota M125D Coolant Capacity FAQ
How much coolant does the Kubota M125D take?
The main coolant amount captured for the Kubota M125D is 3.35 gal (12.7 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 M125D?
Yes. Capacity tells you how much to buy; coolant type tells you what to buy. For the Kubota M125D, the captured coolant type is ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible.
What antifreeze mix does the Kubota M125D use?
The captured antifreeze mix for the Kubota M125D 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 M125D 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 M125D coolant capacity?
The captured engine context is engine model V3307-CR-TI-E5, horsepower 123.2 hp (91.9 kW), and displacement 5.8 L (355.9 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.
