The Kubota F2680 coolant capacity is listed as 2.77 gal (10.5 L). It also lists coolant type ethylene glycol-based coolant and Kubota Genuine Coolant and antifreeze mix 50/50 coolant and water mix.
Coolant capacity2.77 gal (10.5 L)
Coolant typeethylene glycol-based coolant and Kubota Genuine Coolant
Antifreeze mix50/50 coolant and water mix
Kubota F2680 Coolant Capacity
Cooling system capacity
2.77 gal (10.5 L)
Coolant type
ethylene glycol-based coolant and Kubota Genuine Coolant
Antifreeze mix
50/50 coolant and water mix
Engine horsepower
25.5 hp (19 kW)
Engine displacement
1.1 L (68.6 cu in)
Coolant Capacity Comparison Chart
Coolant capacity comparison
This model
2.77 gal
Average
2 gal
Low
1 gal
High
4 gal
Engine horsepower comparison
This model
26 hp
Average
35 hp
Low
20 hp
High
60 hp
Engine displacement comparison
This model
1.1 L
Average
0.9 L
Low
0.5 L
High
1.5 L
Kubota F2680 Coolant and Engine Notes
Coolant capacity note
The headline cooling-system number for the Kubota F2680 is 2.77 gal (10.5 L). Buy enough coolant before opening the drain plug
Coolant type note
Use the right coolant formula for the Kubota F2680: ethylene glycol-based coolant and Kubota Genuine Coolant. Cheap wrong coolant is not a smart saving if it causes corrosion or deposits
Antifreeze mix note
For the Kubota F2680, 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
Engine context note
Engine context for the Kubota F2680: engine horsepower 25.5 hp (19 kW) and displacement 1.1 L (68.6 cu in). Engine size helps explain why coolant capacity changes between models
Refill note
Coolant changes are simple but easy to do sloppily. On the Kubota F2680, plan around 2.77 gal (10.5 L) and confirm the final level after air works out of the system
Kubota F2680 Coolant Capacity FAQ
How much coolant does the Kubota F2680 take?
The main coolant amount captured for the Kubota F2680 is 2.77 gal (10.5 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 F2680?
Yes. Capacity tells you how much to buy; coolant type tells you what to buy. For the Kubota F2680, the captured coolant type is ethylene glycol-based coolant and Kubota Genuine Coolant.
What antifreeze mix does the Kubota F2680 use?
The captured antifreeze mix for the Kubota F2680 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 F2680 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 F2680 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota F2680, the supporting engine data is horsepower 25.5 hp (19 kW) and displacement 1.1 L (68.6 cu in).
Official information note
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.
