The Kubota M6-131 coolant capacity is listed as 5.4 gal (20.4 L). It also lists antifreeze mix 50/50 coolant and water mix.
Coolant capacity5.4 gal (20.4 L)
Antifreeze mix50/50 coolant and water mix
Kubota M6-131 Coolant Capacity
Coolant capacity
5.4 gal (20.4 L)
Antifreeze mix
50/50 coolant and water mix
Engine horsepower
131.6 hp (98.1 kW)
Engine displacement
6.1 L (374 cu in)
Coolant Capacity Comparison Chart
Coolant capacity comparison
This model
5.4 gal
Average
4 gal
Low
2 gal
High
8 gal
Engine horsepower comparison
This model
132 hp
Average
140 hp
Low
80 hp
High
240 hp
Engine displacement comparison
This model
6.1 L
Average
6 L
Low
3 L
High
10 L
Kubota M6-131 Coolant and Engine Notes
Coolant capacity note
For the Kubota M6-131, 5.4 gal (20.4 L) is the main coolant capacity captured. Use it as a refill planning number, then confirm the final level at the machine
Antifreeze mix note
The Kubota M6-131 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 M6-131, the supporting engine specs are engine horsepower 131.6 hp (98.1 kW) and displacement 6.1 L (374 cu in). Use them as context beside the coolant capacity, not as a replacement for the manual
Refill note
The practical service move for the Kubota M6-131: buy enough coolant for 5.4 gal (20.4 L), fill to spec, run the engine, then recheck the radiator and overflow bottle after cooling
Kubota M6-131 Coolant Capacity FAQ
What is the cooling system capacity of the Kubota M6-131?
The Kubota M6-131 cooling system capacity is shown as 5.4 gal (20.4 L). That is the number to use before draining the system.
What coolant type should I use in the Kubota M6-131?
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 M6-131?
Not for normal long-term use. The Kubota M6-131 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 M6-131?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Kubota M6-131 is the service interval in the operator manual.
What engine specs affect Kubota M6-131 coolant capacity?
The captured engine context is horsepower 131.6 hp (98.1 kW) and displacement 6.1 L (374 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.
