The Kubota M9580 coolant capacity is listed as 12.5 gal (47.3 L). It also lists coolant type ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible and antifreeze mix 50/50 coolant and water mix.
ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible
Antifreeze mix
50/50 coolant and water mix
Engine horsepower
100 hp (74.6 kW)
Engine displacement
4.7 L (286.9 cu in)
Coolant Capacity Comparison Chart
Coolant capacity comparison
This model
12.5 gal
Average
16 gal
Low
8 gal
High
30 gal
Engine horsepower comparison
This model
100 hp
Average
140 hp
Low
80 hp
High
240 hp
Engine displacement comparison
This model
4.7 L
Average
3.5 L
Low
1.8 L
High
6 L
Kubota M9580 Coolant and Engine Notes
Coolant capacity note
The Kubota M9580’s key coolant figure here is 12.5 gal (47.3 L) for coolant capacity. Use that before buying coolant or draining the system
Coolant type note
Coolant type for the Kubota M9580 is listed as ethylene glycol-based coolant, Kubota Genuine 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
The 50/50 coolant and water mix mix gives the Kubota M9580 coolant system a sensible balance of freeze protection, boil protection and corrosion protection
Engine context note
The Kubota M9580 engine data captured here is engine horsepower 100 hp (74.6 kW) and displacement 4.7 L (286.9 cu in). Bigger engines usually need more coolant and more careful refill bleeding
Refill note
When refilling the Kubota M9580, use 12.5 gal (47.3 L) as the planning number and 50/50 coolant and water mix as the mixture guide. Recheck the level after the thermostat opens
Kubota M9580 Coolant Capacity FAQ
What is the cooling system capacity of the Kubota M9580?
The Kubota M9580 cooling system capacity is shown as 12.5 gal (47.3 L). That is the number to use before draining the system.
What coolant type should I use in the Kubota M9580?
Use ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible. 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 M9580?
Not for normal long-term use. The Kubota M9580 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 M9580?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Kubota M9580 is the service interval in the operator manual.
Why does the Kubota M9580 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota M9580, the supporting engine data is horsepower 100 hp (74.6 kW) and displacement 4.7 L (286.9 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.
