The Kubota B7300 coolant capacity is listed as 1.59 gal (6 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 B7300 Coolant Capacity
| Coolant capacity | 1.59 gal (6 L) |
|---|---|
| Cooling system capacity | 1.59 gal (6 L) |
| Radiator capacity | 1.59 gal (6 L) |
| Coolant type | ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible |
| Antifreeze mix | 50/50 coolant and water mix |
| Coolant change interval | every 700 hours |
| Engine horsepower | 16 hp (11.9 kW) |
| Engine displacement | 0.7 L (42.7 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota B7300 Coolant and Engine Notes
| Coolant capacity note | The headline cooling-system number for the Kubota B7300 is 1.59 gal (6 L). Buy enough coolant before opening the drain plug |
|---|---|
| Radiator capacity note | The Kubota B7300 radiator figure is 1.59 gal (6 L). Treat it as radiator context, not always the complete refill amount |
| Coolant type note | The captured coolant type for the Kubota B7300 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 B7300 antifreeze mix is listed as 50/50 coolant and water mix. That is the normal protection range for freezing, boiling and corrosion control |
| Coolant change interval note | For the Kubota B7300, the service interval is listed as every 700 hours. Time matters too, not just engine hours |
| Engine context note | For the Kubota B7300, the supporting engine specs are engine horsepower 16 hp (11.9 kW) and displacement 0.7 L (42.7 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 B7300, 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 B7300 Coolant Capacity FAQ
How much coolant does the Kubota B7300 take?
The main coolant amount captured for the Kubota B7300 is 1.59 gal (6 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 B7300?
Yes. Capacity tells you how much to buy; coolant type tells you what to buy. For the Kubota B7300, the captured coolant type is ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible.
What antifreeze mix does the Kubota B7300 use?
The captured antifreeze mix for the Kubota B7300 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 B7300 coolant be replaced?
Use every 700 hours as the service guide. Coolant can look okay but still lose corrosion protection over time.
Why does the Kubota B7300 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota B7300, the supporting engine data is horsepower 16 hp (11.9 kW) and displacement 0.7 L (42.7 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.
