The Kubota M6122 coolant capacity is listed as 8.66 gal (32.8 L). It also lists coolant type ethylene glycol-based coolant and Kubota Genuine Coolant and antifreeze mix 50/50 coolant and water mix.
Coolant capacity8.66 gal (32.8 L)
Coolant typeethylene glycol-based coolant and Kubota Genuine Coolant
Antifreeze mix50/50 coolant and water mix
Kubota M6122 Coolant Capacity
Coolant capacity
8.66 gal (32.8 L)
Coolant type
ethylene glycol-based coolant and Kubota Genuine Coolant
Antifreeze mix
50/50 coolant and water mix
Engine displacement
6.1 L (373.7 cu in)
Coolant Capacity Comparison Chart
Coolant capacity comparison
This model
8.66 gal
Average
8 gal
Low
4 gal
High
16 gal
Engine displacement comparison
This model
6.1 L
Average
6 L
Low
3 L
High
10 L
Kubota M6122 Coolant and Engine Notes
Coolant capacity note
For the Kubota M6122, 8.66 gal (32.8 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
The captured coolant type for the Kubota M6122 is ethylene glycol-based coolant and Kubota Genuine Coolant. Do not mix unknown coolant types unless the label and manual say they are compatible
Antifreeze mix note
The Kubota M6122 antifreeze mix is listed as 50/50 coolant and water mix. That is the normal protection range for freezing, boiling and corrosion control
Engine context note
For the Kubota M6122, the supporting engine specs are displacement 6.1 L (373.7 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 M6122, 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 M6122 Coolant Capacity FAQ
What is the cooling system capacity of the Kubota M6122?
The Kubota M6122 cooling system capacity is shown as 8.66 gal (32.8 L). That is the number to use before draining the system.
What coolant type should I use in the Kubota M6122?
Use ethylene glycol-based coolant and Kubota Genuine Coolant. 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 M6122?
Not for normal long-term use. The Kubota M6122 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 M6122?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Kubota M6122 is the service interval in the operator manual.
What engine specs affect Kubota M6122 coolant capacity?
The captured engine context is displacement 6.1 L (373.7 cu in). Engine size is one reason coolant capacity changes between tractors.
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.
