The Kubota BX1500 coolant capacity is listed as 1.68 gal (6.3 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 BX1500 Coolant Capacity
| Coolant capacity | 1.64 gal (6.2 L) |
|---|---|
| Cooling system capacity | 1.68 gal (6.3 L) |
| Radiator capacity | 1.65 gal (6.2 L) |
| Coolant type | ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible |
| Antifreeze mix | 50/50 coolant and water mix |
| Engine horsepower | 15 hp (11.2 kW) |
| Engine displacement | 0.6 L (36.6 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota BX1500 Coolant and Engine Notes
| Coolant capacity note | For service planning, the Kubota BX1500 should be treated as 1.68 gal (6.3 L) coolant capacity. That is a compact tractor cooling system where a normal premixed coolant jug may cover most of the refill |
|---|---|
| Radiator capacity note | The Kubota BX1500 radiator figure is 1.65 gal (6.2 L). Treat it as radiator context, not always the complete refill amount |
| Coolant type note | The captured coolant type for the Kubota BX1500 is ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible. Do not mix unknown coolant types unless the label and manual say they are compatible |
| Antifreeze mix note | The Kubota BX1500 antifreeze mix is listed as 50/50 coolant and water mix. That is the normal protection range for freezing, boiling and corrosion control |
| Engine context note | For the Kubota BX1500, the supporting engine specs are engine horsepower 15 hp (11.2 kW) and displacement 0.6 L (36.6 cu in). Use them as context beside the coolant capacity, not as a replacement for the manual |
| Refill note | For a coolant change on the Kubota BX1500, do not just dump in coolant and walk away. Fill slowly, run it up to temperature, cool it down and top up as needed |
Kubota BX1500 Coolant Capacity FAQ
What is the cooling system capacity of the Kubota BX1500?
The Kubota BX1500 cooling system capacity is shown as 1.68 gal (6.3 L). That is the number to use before draining the system.
What coolant type should I use in the Kubota BX1500?
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 BX1500?
Not for normal long-term use. The Kubota BX1500 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 BX1500?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Kubota BX1500 is the service interval in the operator manual.
What engine specs affect Kubota BX1500 coolant capacity?
The captured engine context is horsepower 15 hp (11.2 kW) and displacement 0.6 L (36.6 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.
