The Kubota M100 coolant capacity is listed as 3.12 gal (11.8 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 M100 Coolant Capacity
| Cooling system capacity | 3.12 gal (11.8 L) |
|---|---|
| Coolant type | ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible |
| Antifreeze mix | 50/50 coolant and water mix |
| Engine horsepower | 100 hp (74.6 kW) |
| Engine displacement | 4.7 L (286.8 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota M100 Coolant and Engine Notes
| Coolant capacity note | For service planning, the Kubota M100 should be treated as 3.12 gal (11.8 L) coolant capacity. That is a larger cooling system where you should buy extra coolant before draining it |
|---|---|
| Coolant type note | Use the right coolant formula for the Kubota M100: ethylene glycol-based coolant, Kubota Genuine 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 M100 coolant system a sensible balance of freeze protection, boil protection and corrosion protection |
| Engine context note | The Kubota M100 engine data captured here is engine horsepower 100 hp (74.6 kW) and displacement 4.7 L (286.8 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 M100, plan around 3.12 gal (11.8 L) and confirm the final level after air works out of the system |
Kubota M100 Coolant Capacity FAQ
What is the cooling system capacity of the Kubota M100?
The Kubota M100 cooling system capacity is shown as 3.12 gal (11.8 L). That is the number to use before draining the system.
What coolant type should I use in the Kubota M100?
Use ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible. The blunt rule is simple: match the manual’s coolant spec and do not mix unknown coolant formulas.
Should I use straight water in the Kubota M100?
Not for normal long-term use. The Kubota M100 should use 50/50 coolant and water mix or the manual’s specified coolant mix so the system gets corrosion, freeze and boil protection.
Does old coolant matter in the Kubota M100?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Kubota M100 is the service interval in the operator manual.
What engine specs affect Kubota M100 coolant capacity?
The captured engine context is horsepower 100 hp (74.6 kW) and displacement 4.7 L (286.8 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.
