The Kubota MX5100 coolant capacity is listed as 11.6 gal (43.9 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 MX5100 Coolant Capacity
| Coolant capacity | 11.6 gal (43.9 L) |
|---|---|
| Coolant type | ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible |
| Antifreeze mix | 50/50 coolant and water mix |
| Coolant change interval | every 2 years and every 2,000 hours |
| Engine horsepower | 52.2 hp (38.9 kW) |
| Engine displacement | 2.4 L (148.5 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota MX5100 Coolant and Engine Notes
| Coolant capacity note | The headline cooling-system number for the Kubota MX5100 is 11.6 gal (43.9 L). Buy enough coolant before opening the drain plug |
|---|---|
| Coolant type note | Coolant type for the Kubota MX5100 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 MX5100 coolant system a sensible balance of freeze protection, boil protection and corrosion protection |
| Coolant change interval note | The captured coolant change interval for the Kubota MX5100 is every 2 years and every 2,000 hours. Old coolant can lose corrosion protection even if the tractor still runs cool |
| Engine context note | The Kubota MX5100 engine data captured here is engine horsepower 52.2 hp (38.9 kW) and displacement 2.4 L (148.5 cu in). Bigger engines usually need more coolant and more careful refill bleeding |
| Refill note | When refilling the Kubota MX5100, use 11.6 gal (43.9 L) as the planning number and 50/50 coolant and water mix as the mixture guide. Recheck the level after the thermostat opens |
Kubota MX5100 Coolant Capacity FAQ
How much coolant does the Kubota MX5100 take?
The main coolant amount captured for the Kubota MX5100 is 11.6 gal (43.9 L). Buy a little extra so you can top up after the engine warms up and cools down.
Does coolant type matter on the Kubota MX5100?
Yes. Capacity tells you how much to buy; coolant type tells you what to buy. For the Kubota MX5100, the captured coolant type is ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible.
What antifreeze mix does the Kubota MX5100 use?
The captured antifreeze mix for the Kubota MX5100 is 50/50 coolant and water mix. A 50/50-style mix is the common practical answer unless your manual or climate calls for something different.
When should the Kubota MX5100 coolant be replaced?
Use every 2 years and every 2,000 hours as the service guide. Coolant can look okay but still lose corrosion protection over time.
Why does the Kubota MX5100 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota MX5100, the supporting engine data is horsepower 52.2 hp (38.9 kW) and displacement 2.4 L (148.5 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.


