The Kubota KL31R coolant capacity is listed as 2.17 gal (8.2 L). It also lists coolant type ethylene glycol-based coolant and Kubota Genuine Coolant and antifreeze mix 50/50 coolant and water mix.
Kubota KL31R Coolant Capacity
| Coolant capacity | 2.17 gal (8.2 L) |
|---|---|
| Coolant type | ethylene glycol-based coolant and Kubota Genuine Coolant |
| Antifreeze mix | 50/50 coolant and water mix |
| Engine horsepower | 30 hp (22.4 kW) |
| Engine displacement | 1.5 L (91.5 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota KL31R Coolant and Engine Notes
| Coolant capacity note | The headline cooling-system number for the Kubota KL31R is 2.17 gal (8.2 L). Buy enough coolant before opening the drain plug |
|---|---|
| Coolant type note | For the Kubota KL31R, coolant type matters as much as capacity. The clean captured value is ethylene glycol-based coolant and Kubota Genuine Coolant |
| Antifreeze mix note | The 50/50 coolant and water mix mix gives the Kubota KL31R coolant system a sensible balance of freeze protection, boil protection and corrosion protection |
| Engine context note | The Kubota KL31R engine data captured here is engine horsepower 30 hp (22.4 kW) and displacement 1.5 L (91.5 cu in). Bigger engines usually need more coolant and more careful refill bleeding |
| Refill note | The practical service move for the Kubota KL31R: buy enough coolant for 2.17 gal (8.2 L), fill to spec, run the engine, then recheck the radiator and overflow bottle after cooling |
Kubota KL31R Coolant Capacity FAQ
What is the Kubota KL31R coolant capacity?
The Kubota KL31R coolant capacity is listed as 2.17 gal (8.2 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 KL31R?
No. Use ethylene glycol-based coolant and Kubota Genuine Coolant 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 KL31R?
Premixed coolant can be fine if it matches ethylene glycol-based coolant and Kubota Genuine Coolant and the required mix. The captured mix for the Kubota KL31R is 50/50 coolant and water mix.
How often should I change coolant in the Kubota KL31R?
The captured coolant change interval for the Kubota KL31R is the service interval in the operator manual. If service history is unknown, changing it is usually smarter than guessing.
What engine specs affect Kubota KL31R coolant capacity?
The captured engine context is horsepower 30 hp (22.4 kW) and displacement 1.5 L (91.5 cu in). Engine size is one reason coolant capacity changes between tractors.
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.
