The Kubota B1902 coolant capacity is listed as 1.74 gal (6.6 L). It also lists coolant type ethylene glycol-based coolant and antifreeze mix 50/50 coolant and water mix.
Kubota B1902 Coolant Capacity
| Coolant capacity | 1.74 gal (6.6 L) |
|---|---|
| Cooling system capacity | 1.74 gal (6.6 L) |
| Coolant type | ethylene glycol-based coolant |
| Antifreeze mix | 50/50 coolant and water mix |
| Engine horsepower | 18.7 hp (13.9 kW) |
| Engine displacement | 1.1 L (67.1 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota B1902 Coolant and Engine Notes
| Coolant capacity note | For the Kubota B1902, 1.74 gal (6.6 L) is the main coolant capacity captured. Use it as a refill planning number, then confirm the final level at the machine |
|---|---|
| Coolant type note | Use the right coolant formula for the Kubota B1902: ethylene glycol-based coolant. 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 B1902 coolant system a sensible balance of freeze protection, boil protection and corrosion protection |
| Engine context note | The Kubota B1902 engine data captured here is engine horsepower 18.7 hp (13.9 kW) and displacement 1.1 L (67.1 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 B1902, plan around 1.74 gal (6.6 L) and confirm the final level after air works out of the system |
Kubota B1902 Coolant Capacity FAQ
How much coolant does the Kubota B1902 take?
The main coolant amount captured for the Kubota B1902 is 1.74 gal (6.6 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 B1902?
Yes. Capacity tells you how much to buy; coolant type tells you what to buy. For the Kubota B1902, the captured coolant type is ethylene glycol-based coolant.
What antifreeze mix does the Kubota B1902 use?
The captured antifreeze mix for the Kubota B1902 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 B1902 coolant be replaced?
Use the service interval in the operator manual as the service guide. Coolant can look okay but still lose corrosion protection over time.
Why does the Kubota B1902 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota B1902, the supporting engine data is horsepower 18.7 hp (13.9 kW) and displacement 1.1 L (67.1 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.
