The Kubota SMZ76 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 SMZ76 Coolant Capacity
| Coolant 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 model | D1105 |
| Engine horsepower | 74.9 hp (55.9 kW) |
| Engine displacement | 3.8 L (231.9 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine horsepower comparison
Engine displacement comparison
Kubota SMZ76 Coolant and Engine Notes
| Coolant capacity note | The Kubota SMZ76 coolant spec points to 2.17 gal (8.2 L). Do not rely on the radiator-only amount if the full cooling-system capacity is available |
|---|---|
| Coolant type note | Coolant type for the Kubota SMZ76 is listed as ethylene glycol-based 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 | For the Kubota SMZ76, the captured mix is 50/50 coolant and water mix. Straight water is not the right long-term answer unless you are only flushing the system |
| Engine context note | Engine context for the Kubota SMZ76: engine model D1105, engine horsepower 74.9 hp (55.9 kW), and displacement 3.8 L (231.9 cu in). Engine size helps explain why coolant capacity changes between models |
| Refill note | When refilling the Kubota SMZ76, use 2.17 gal (8.2 L) as the planning number and 50/50 coolant and water mix as the mixture guide. Recheck the level after the thermostat opens |
Kubota SMZ76 Coolant Capacity FAQ
How much coolant does the Kubota SMZ76 take?
The main coolant amount captured for the Kubota SMZ76 is 2.17 gal (8.2 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 SMZ76?
Yes. Capacity tells you how much to buy; coolant type tells you what to buy. For the Kubota SMZ76, the captured coolant type is ethylene glycol-based coolant and ASTM D3306 compatible.
What antifreeze mix does the Kubota SMZ76 use?
The captured antifreeze mix for the Kubota SMZ76 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 SMZ76 coolant be replaced?
Use the service interval in the operator manual as the service guide. Coolant can look okay but still lose corrosion protection over time.
What engine specs affect Kubota SMZ76 coolant capacity?
The captured engine context is engine model D1105, horsepower 74.9 hp (55.9 kW), and displacement 3.8 L (231.9 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.
