The Kubota MR77 coolant capacity is listed as 2.3 gal (8.7 L). It also lists coolant type ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible and antifreeze mix Kubota recommends a 50: 50 ethylene glycol-based coolant-to-water mix for the MR77 tractor to protect against freezing and overheating.
Kubota MR77 Coolant Capacity
| Coolant capacity | 2.3 gal (8.7 L) |
|---|---|
| Cooling system capacity | 2.17 gal (8.2 L) |
| Coolant type | ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible |
| Antifreeze mix | Kubota recommends a 50: 50 ethylene glycol-based coolant-to-water mix for the MR77 tractor to protect against freezing and overheating |
| Engine model | V3800-CR-TE4 |
| Engine displacement | 3.8 L (231.9 cu in) |
Coolant Capacity Comparison Chart
Coolant capacity comparison
Engine displacement comparison
Kubota MR77 Coolant and Engine Notes
| Coolant capacity note | The Kubota MR77 coolant spec points to 2.3 gal (8.7 L). Do not rely on the radiator-only amount if the full cooling-system capacity is available |
|---|---|
| Coolant type note | For the Kubota MR77, coolant type matters as much as capacity. The clean captured value is ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible |
| Antifreeze mix note | For the Kubota MR77, the captured mix is Kubota recommends a 50: 50 ethylene glycol-based coolant-to-water mix for the MR77 tractor to protect against freezing and overheating. Straight water is not the right long-term answer unless you are only flushing the system |
| Engine context note | Engine context for the Kubota MR77: engine model V3800-CR-TE4 and displacement 3.8 L (231.9 cu in). Engine size helps explain why coolant capacity changes between models |
| Refill note | The practical service move for the Kubota MR77: buy enough coolant for 2.3 gal (8.7 L), fill to spec, run the engine, then recheck the radiator and overflow bottle after cooling |
Kubota MR77 Coolant Capacity FAQ
How much coolant does the Kubota MR77 take?
The main coolant amount captured for the Kubota MR77 is 2.3 gal (8.7 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 MR77?
Yes. Capacity tells you how much to buy; coolant type tells you what to buy. For the Kubota MR77, the captured coolant type is ethylene glycol-based coolant, Kubota Genuine Coolant, and ASTM D3306 compatible.
What antifreeze mix does the Kubota MR77 use?
The captured antifreeze mix for the Kubota MR77 is Kubota recommends a 50: 50 ethylene glycol-based coolant-to-water mix for the MR77 tractor to protect against freezing and overheating. A 50/50-style mix is the common practical answer unless your manual or climate calls for something different.
When should the Kubota MR77 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 MR77 coolant capacity?
The captured engine context is engine model V3800-CR-TE4 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.
