The Kubota L2501 coolant capacity is listed as 1.73 gal (6.5 L). It also lists coolant type ethylene glycol-based coolant and antifreeze mix 50/50 coolant and distilled water mix.
Kubota L2501 Coolant Capacity
| Coolant capacity | 1.65 gal (6.2 L) |
|---|---|
| Cooling system capacity | 1.73 gal (6.5 L) |
| Radiator capacity | 1.59 gal (6 L) |
| Coolant type | ethylene glycol-based coolant |
| Antifreeze mix | 50/50 coolant and distilled water mix |
| Coolant change interval | every 2 years |
| Engine model | D1703-M-DI-E4 |
| Engine horsepower | 24.8 hp (18.5 kW) |
| Engine displacement | 1.6 L (100.7 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota L2501 Coolant and Engine Notes
| Coolant capacity note | The Kubota L2501’s key coolant figure here is 1.73 gal (6.5 L) for cooling system capacity. Use that before buying coolant or draining the system |
|---|---|
| Radiator capacity note | Radiator capacity is listed as 1.59 gal (6 L). The full cooling system can be higher because coolant also sits in the engine and hoses |
| Coolant type note | The captured coolant type for the Kubota L2501 is ethylene glycol-based coolant. Do not mix unknown coolant types unless the label and manual say they are compatible |
| Antifreeze mix note | The 50/50 coolant and distilled water mix mix gives the Kubota L2501 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 L2501 is every 2 years. Old coolant can lose corrosion protection even if the tractor still runs cool |
| Engine context note | The Kubota L2501 engine data captured here is engine model D1703-M-DI-E4, engine horsepower 24.8 hp (18.5 kW), and displacement 1.6 L (100.7 cu in). Bigger engines usually need more coolant and more careful refill bleeding |
| Refill note | For a coolant change on the Kubota L2501, 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 L2501 Coolant Capacity FAQ
What is the cooling system capacity of the Kubota L2501?
The Kubota L2501 cooling system capacity is shown as 1.73 gal (6.5 L). That is the number to use before draining the system.
What coolant type should I use in the Kubota L2501?
Use ethylene glycol-based coolant. 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 L2501?
Not for normal long-term use. The Kubota L2501 should use 50/50 coolant and distilled 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 L2501?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Kubota L2501 is every 2 years.
Why does the Kubota L2501 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota L2501, the supporting engine data is engine model D1703-M-DI-E4, horsepower 24.8 hp (18.5 kW), and displacement 1.6 L (100.7 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.
