The Kubota M90A coolant capacity is listed as 3.17 gal (12 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.
Kubota M90A Coolant Capacity
| Coolant capacity | 3.17 gal (12 L) |
|---|---|
| Coolant type | ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible |
| Antifreeze mix | 50/50 coolant and water mix |
| Engine model | V2403-M-DI-E4 |
| Engine horsepower | 92.1 hp (68.7 kW) |
| Engine displacement | 3.3 L (201.4 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota M90A Coolant and Engine Notes
| Coolant capacity note | For service planning, the Kubota M90A should be treated as 3.17 gal (12 L) coolant capacity. That is a larger cooling system where you should buy extra coolant before draining it |
|---|---|
| Coolant type note | Coolant type for the Kubota M90A 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 Kubota M90A 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 M90A, the supporting engine specs are engine model V2403-M-DI-E4, engine horsepower 92.1 hp (68.7 kW), and displacement 3.3 L (201.4 cu in). Use them as context beside the coolant capacity, not as a replacement for the manual |
| Refill note | When refilling the Kubota M90A, use 3.17 gal (12 L) as the planning number and 50/50 coolant and water mix as the mixture guide. Recheck the level after the thermostat opens |
Kubota M90A Coolant Capacity FAQ
What is the Kubota M90A coolant capacity?
The Kubota M90A coolant capacity is listed as 3.17 gal (12 L) for coolant capacity. Use this as the refill planning number and confirm the final level at the radiator or overflow bottle.
Can I use any coolant in the Kubota M90A?
No. Use ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible or a coolant that clearly matches the manual’s required spec. Wrong coolant can create corrosion, deposits or seal problems.
Is premixed coolant okay for the Kubota M90A?
Premixed coolant can be fine if it matches ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible and the required mix. The captured mix for the Kubota M90A is 50/50 coolant and water mix.
How often should I change coolant in the Kubota M90A?
The captured coolant change interval for the Kubota M90A is the service interval in the operator manual. If service history is unknown, changing it is usually smarter than guessing.
Why does the Kubota M90A coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota M90A, the supporting engine data is engine model V2403-M-DI-E4, horsepower 92.1 hp (68.7 kW), and displacement 3.3 L (201.4 cu in).
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.
