The Kubota GL261 coolant capacity is listed as 2.17 gal (8.2 L). It also lists coolant type ethylene glycol-based coolant, long-life coolant, and ASTM D3306 compatible and antifreeze mix 50/50 coolant and water mix.
Kubota GL261 Coolant Capacity
| Coolant capacity | 2.17 gal (8.2 L) |
|---|---|
| Cooling system capacity | 2.17 gal (8.2 L) |
| Coolant type | ethylene glycol-based coolant, long-life coolant, and ASTM D3306 compatible |
| Antifreeze mix | 50/50 coolant and water mix |
| Coolant change interval | every 700 hours |
| Engine horsepower | 26 hp (19.4 kW) |
| Engine displacement | 1.5 L (91.5 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota GL261 Coolant and Engine Notes
| Coolant capacity note | For the Kubota GL261, 2.17 gal (8.2 L) is the main coolant capacity captured. Use it as a refill planning number, then confirm the final level at the machine |
|---|---|
| Coolant type note | The captured coolant type for the Kubota GL261 is ethylene glycol-based coolant, long-life 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 GL261 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 GL261 is every 700 hours. Old coolant can lose corrosion protection even if the tractor still runs cool |
| Engine context note | The Kubota GL261 engine data captured here is engine horsepower 26 hp (19.4 kW) and displacement 1.5 L (91.5 cu in). Bigger engines usually need more coolant and more careful refill bleeding |
| Refill note | For a coolant change on the Kubota GL261, 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 GL261 Coolant Capacity FAQ
What is the cooling system capacity of the Kubota GL261?
The Kubota GL261 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 GL261?
Use ethylene glycol-based coolant, long-life 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 GL261?
Not for normal long-term use. The Kubota GL261 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 GL261?
Yes. Old coolant can lose protection even if temperature looks normal. The listed service interval for the Kubota GL261 is every 700 hours.
What engine specs affect Kubota GL261 coolant capacity?
The captured engine context is horsepower 26 hp (19.4 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.
