The Kubota GT-8 coolant capacity is listed as 1.73 gal (6.5 L). It also lists coolant type ethylene glycol-based coolant and ASTM D3306 compatible and antifreeze mix Kubota recommends a 50: 50 ethylene glycol-based coolant-to-water mix for the GT-8 tractor to protect against freezing and overheating.
Kubota GT-8 Coolant Capacity
| Cooling system capacity | 1.73 gal (6.5 L) |
|---|---|
| Coolant type | ethylene glycol-based coolant and ASTM D3306 compatible |
| Antifreeze mix | Kubota recommends a 50: 50 ethylene glycol-based coolant-to-water mix for the GT-8 tractor to protect against freezing and overheating |
| Engine model | V1505 |
| Engine horsepower | 25.6 hp (19.1 kW) |
| Engine displacement | 1.5 L (91.5 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota GT-8 Coolant and Engine Notes
| Coolant capacity note | The Kubota GT-8’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 |
|---|---|
| Coolant type note | The captured coolant type for the Kubota GT-8 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 Kubota GT-8 antifreeze mix is listed as Kubota recommends a 50: 50 ethylene glycol-based coolant-to-water mix for the GT-8 tractor to protect against freezing and overheating. That is the normal protection range for freezing, boiling and corrosion control |
| Engine context note | For the Kubota GT-8, the supporting engine specs are engine model V1505, engine horsepower 25.6 hp (19.1 kW), and displacement 1.5 L (91.5 cu in). Use them as context beside the coolant capacity, not as a replacement for the manual |
| Refill note | For a coolant change on the Kubota GT-8, 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 GT-8 Coolant Capacity FAQ
What is the Kubota GT-8 coolant capacity?
The Kubota GT-8 coolant capacity is listed as 1.73 gal (6.5 L) for cooling system 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 GT-8?
No. Use ethylene glycol-based coolant and ASTM D3306 compatible 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 GT-8?
Premixed coolant can be fine if it matches ethylene glycol-based coolant and ASTM D3306 compatible and the required mix. The captured mix for the Kubota GT-8 is Kubota recommends a 50: 50 ethylene glycol-based coolant-to-water mix for the GT-8 tractor to protect against freezing and overheating.
How often should I change coolant in the Kubota GT-8?
The captured coolant change interval for the Kubota GT-8 is the service interval in the operator manual. If service history is unknown, changing it is usually smarter than guessing.
Why does the Kubota GT-8 coolant amount differ from other models?
Coolant capacity changes with engine and radiator setup. For the Kubota GT-8, the supporting engine data is engine model V1505, horsepower 25.6 hp (19.1 kW), and displacement 1.5 L (91.5 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.
