The Kubota M100G coolant capacity is listed as 3.3 gal (12.5 L). It also lists coolant type ethylene glycol-based coolant and Kubota Genuine Coolant and antifreeze mix 50/50 coolant and distilled water mix.
Kubota M100G Coolant Capacity
| Coolant capacity | 3.17 gal (12 L) |
|---|---|
| Cooling system capacity | 3.3 gal (12.5 L) |
| Coolant type | ethylene glycol-based coolant and Kubota Genuine Coolant |
| Antifreeze mix | 50/50 coolant and distilled water mix |
| Engine model | V3800 |
| Engine horsepower | 100 hp (74.6 kW) |
| Engine displacement | 3.8 L (231.9 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota M100G Coolant and Engine Notes
| Coolant capacity note | The headline cooling-system number for the Kubota M100G is 3.3 gal (12.5 L). Buy enough coolant before opening the drain plug |
|---|---|
| Coolant type note | For the Kubota M100G, coolant type matters as much as capacity. The clean captured value is ethylene glycol-based coolant and Kubota Genuine Coolant |
| Antifreeze mix note | For the Kubota M100G, the captured mix is 50/50 coolant and distilled water mix. Straight water is not the right long-term answer unless you are only flushing the system |
| Engine context note | Engine context for the Kubota M100G: engine model V3800, engine horsepower 100 hp (74.6 kW), and displacement 3.8 L (231.9 cu in). Engine size helps explain why coolant capacity changes between models |
| Refill note | The practical service move for the Kubota M100G: 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 M100G Coolant Capacity FAQ
What is the cooling system capacity of the Kubota M100G?
The Kubota M100G cooling system capacity is shown as 3.3 gal (12.5 L). That is the number to use before draining the system.
What coolant type should I use in the Kubota M100G?
Use ethylene glycol-based coolant and Kubota Genuine Coolant. 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 M100G?
Not for normal long-term use. The Kubota M100G should use 50/50 coolant and distilled 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 M100G?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Kubota M100G is the service interval in the operator manual.
What engine specs affect Kubota M100G coolant capacity?
The captured engine context is engine model V3800, horsepower 100 hp (74.6 kW), and displacement 3.8 L (231.9 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.
