The Kubota FT30 coolant capacity is listed as 1.73 gal (6.5 L). It also lists coolant type ethylene glycol-based coolant and ASTM D3306 compatible and antifreeze mix Kubota recommends a 50: 50 ethylene glycol-based coolant-to-water mix for the FT30 tractor to protect against freezing and corrosion.
Kubota FT30 Coolant Capacity
| Coolant capacity | 1.64 gal (6.2 L) |
|---|---|
| Cooling system capacity | 1.73 gal (6.5 L) |
| Coolant type | ethylene glycol-based coolant and ASTM D3306 compatible |
| Antifreeze mix | Kubota recommends a 50: 50 ethylene glycol-based coolant-to-water mix for the FT30 tractor to protect against freezing and corrosion |
| Engine horsepower | 29.6 hp (22.1 kW) |
| Engine displacement | 1.6 L (100.5 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota FT30 Coolant and Engine Notes
| Coolant capacity note | The headline cooling-system number for the Kubota FT30 is 1.73 gal (6.5 L). Buy enough coolant before opening the drain plug |
|---|---|
| Coolant type note | For the Kubota FT30, coolant type matters as much as capacity. The clean captured value is ethylene glycol-based coolant and ASTM D3306 compatible |
| Antifreeze mix note | The Kubota FT30 antifreeze mix is listed as Kubota recommends a 50: 50 ethylene glycol-based coolant-to-water mix for the FT30 tractor to protect against freezing and corrosion. That is the normal protection range for freezing, boiling and corrosion control |
| Engine context note | For the Kubota FT30, the supporting engine specs are engine horsepower 29.6 hp (22.1 kW) and displacement 1.6 L (100.5 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 FT30: buy enough coolant for 1.73 gal (6.5 L), fill to spec, run the engine, then recheck the radiator and overflow bottle after cooling |
Kubota FT30 Coolant Capacity FAQ
What is the cooling system capacity of the Kubota FT30?
The Kubota FT30 cooling system capacity is shown as 1.73 gal (6.5 L). That is the number to use before draining the system.
What coolant type should I use in the Kubota FT30?
Use ethylene glycol-based 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 FT30?
Not for normal long-term use. The Kubota FT30 should use Kubota recommends a 50: 50 ethylene glycol-based coolant-to-water mix for the FT30 tractor to protect against freezing and corrosion or the manual’s specified coolant mix so the system gets corrosion, freeze and boil protection.
Does old coolant matter in the Kubota FT30?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Kubota FT30 is the service interval in the operator manual.
Why does the Kubota FT30 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota FT30, the supporting engine data is horsepower 29.6 hp (22.1 kW) and displacement 1.6 L (100.5 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.
