The Kubota B1-16 coolant capacity is listed as 1.59 gal (6 L). It also lists coolant type ethylene glycol-based coolant and ASTM D3306 compatible and antifreeze mix 50/50 coolant and water mix.
Kubota B1-16 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 and ASTM D3306 compatible |
| Antifreeze mix | 50/50 coolant and water mix |
| Coolant change interval | every 2 years |
| Engine horsepower | 16.5 hp (12.3 kW) |
| Engine displacement | 0.9 L (56.6 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota B1-16 Coolant and Engine Notes
| Coolant capacity note | The headline cooling-system number for the Kubota B1-16 is 1.59 gal (6 L). Buy enough coolant before opening the drain plug |
|---|---|
| Radiator capacity note | For the Kubota B1-16, the captured radiator capacity is 1.59 gal (6 L). If you are doing a full drain, check the full cooling-system capacity too |
| Coolant type note | Coolant type for the Kubota B1-16 is listed as ethylene glycol-based coolant and ASTM D3306 compatible. The safest move is to use coolant that matches the manual’s spec rather than mixing random formulas |
| Antifreeze mix note | For the Kubota B1-16, the captured mix is 50/50 coolant and water mix. Straight water is not the right long-term answer unless you are only flushing the system |
| Coolant change interval note | Coolant service for the Kubota B1-16 is listed as every 2 years. If the service history is unknown, a fresh drain and refill is usually the cleaner move |
| Engine context note | Engine context for the Kubota B1-16: engine horsepower 16.5 hp (12.3 kW) and displacement 0.9 L (56.6 cu in). Engine size helps explain why coolant capacity changes between models |
| Refill note | When refilling the Kubota B1-16, use 1.59 gal (6 L) as the planning number and 50/50 coolant and water mix as the mixture guide. Recheck the level after the thermostat opens |
Kubota B1-16 Coolant Capacity FAQ
How much coolant does the Kubota B1-16 take?
The main coolant amount captured for the Kubota B1-16 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 B1-16?
Yes. Capacity tells you how much to buy; coolant type tells you what to buy. For the Kubota B1-16, the captured coolant type is ethylene glycol-based coolant and ASTM D3306 compatible.
What antifreeze mix does the Kubota B1-16 use?
The captured antifreeze mix for the Kubota B1-16 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 B1-16 coolant be replaced?
Use every 2 years as the service guide. Coolant can look okay but still lose corrosion protection over time.
Why does the Kubota B1-16 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota B1-16, the supporting engine data is horsepower 16.5 hp (12.3 kW) and displacement 0.9 L (56.6 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.
