The Kubota PX-2100 coolant capacity is listed as 2.17 gal (8.2 L). It also lists coolant type ethylene glycol-based coolant and ASTM D3306 compatible and antifreeze mix 50/50 coolant and water mix.
Kubota PX-2100 Coolant Capacity
| Cooling system capacity | 2.17 gal (8.2 L) |
|---|---|
| Coolant type | ethylene glycol-based coolant and ASTM D3306 compatible |
| Antifreeze mix | 50/50 coolant and water mix |
| Engine horsepower | 21 hp (15.7 kW) |
| Engine displacement | 0.9 L (56.6 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota PX-2100 Coolant and Engine Notes
| Coolant capacity note | The headline cooling-system number for the Kubota PX-2100 is 2.17 gal (8.2 L). Buy enough coolant before opening the drain plug |
|---|---|
| Coolant type note | The captured coolant type for the Kubota PX-2100 is ethylene glycol-based coolant and ASTM D3306 compatible. Do not mix unknown coolant types unless the label and manual say they are compatible |
| Antifreeze mix note | The 50/50 coolant and water mix mix gives the Kubota PX-2100 coolant system a sensible balance of freeze protection, boil protection and corrosion protection |
| Engine context note | The Kubota PX-2100 engine data captured here is engine horsepower 21 hp (15.7 kW) and displacement 0.9 L (56.6 cu in). Bigger engines usually need more coolant and more careful refill bleeding |
| Refill note | For a coolant change on the Kubota PX-2100, do not just dump in coolant and walk away. Fill slowly, run it up to temperature, cool it down and top up as needed |
Kubota PX-2100 Coolant Capacity FAQ
What is the cooling system capacity of the Kubota PX-2100?
The Kubota PX-2100 cooling system capacity is shown as 2.17 gal (8.2 L). That is the number to use before draining the system.
What coolant type should I use in the Kubota PX-2100?
Use ethylene glycol-based 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 PX-2100?
Not for normal long-term use. The Kubota PX-2100 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 PX-2100?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Kubota PX-2100 is the service interval in the operator manual.
Why does the Kubota PX-2100 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota PX-2100, the supporting engine data is horsepower 21 hp (15.7 kW) and displacement 0.9 L (56.6 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.
