The Kubota M8970 coolant capacity is listed as 3.3 gal (12.5 L). It also lists antifreeze mix 50/50 coolant and water mix.
Coolant capacity3.3 gal (12.5 L)
Antifreeze mix50/50 coolant and water mix
Kubota M8970 Coolant Capacity
Cooling system capacity
3.3 gal (12.5 L)
Radiator capacity
3.12 gal (11.8 L)
Antifreeze mix
50/50 coolant and water mix
Engine horsepower
90 hp (67.1 kW)
Engine displacement
3.8 L (230.5 cu in)
Coolant Capacity Comparison Chart
Coolant capacity comparison
This model
3.3 gal
Average
4 gal
Low
2 gal
High
8 gal
Engine horsepower comparison
This model
90 hp
Average
75 hp
Low
40 hp
High
125 hp
Engine displacement comparison
This model
3.8 L
Average
3.5 L
Low
1.8 L
High
6 L
Kubota M8970 Coolant and Engine Notes
Coolant capacity note
The headline cooling-system number for the Kubota M8970 is 3.3 gal (12.5 L). Buy enough coolant before opening the drain plug
Radiator capacity note
For the Kubota M8970, the captured radiator capacity is 3.12 gal (11.8 L). If you are doing a full drain, check the full cooling-system capacity too
Antifreeze mix note
For the Kubota M8970, 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 M8970: engine horsepower 90 hp (67.1 kW) and displacement 3.8 L (230.5 cu in). Engine size helps explain why coolant capacity changes between models
Refill note
The practical service move for the Kubota M8970: buy enough coolant for 3.3 gal (12.5 L), fill to spec, run the engine, then recheck the radiator and overflow bottle after cooling
Kubota M8970 Coolant Capacity FAQ
What is the cooling system capacity of the Kubota M8970?
The Kubota M8970 cooling system capacity is shown as 3.3 gal (12.5 L). That is the number to use before draining the system.
What coolant type should I use in the Kubota M8970?
Use the coolant type specified in the manual. 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 M8970?
Not for normal long-term use. The Kubota M8970 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 M8970?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Kubota M8970 is the service interval in the operator manual.
Why does the Kubota M8970 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota M8970, the supporting engine data is horsepower 90 hp (67.1 kW) and displacement 3.8 L (230.5 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.
