The John Deere 770 takes 1.22 gal (4.6 L) of coolant. Use coolant compatible with John Deere Cool-Gard II and follow the listed 60/40 coolant and water mix guidance.
John Deere 770 Coolant Capacity Specs
| Coolant capacity | 1.22 gal (4.6 L) |
|---|---|
| Coolant type | John Deere Cool-Gard II |
| Antifreeze mix | 60/40 coolant and water mix |
| Engine model | Yanmar engine |
| Engine horsepower | 23 hp |
| Engine displacement | 91.5 cu in (1.5 L) |
John Deere 770 Coolant Capacity Guide
Coolant capacity guide
Compared with a broad older small tractor guide, not the full tractor dataset.
John Deere 770 Coolant Service Notes
| Coolant capacity note | The John Deere 770 coolant capacity is 1.22 gal (4.6 L). Treat it as a cooling-system amount, not a radiator-only top-up amount |
|---|---|
| Coolant service note | The John Deere 770 cooling system should be refilled close to 1.22 gal (4.6 L), with coolant choice guided by John Deere Cool-Gard II and 60/40 coolant and water mix |
| Coolant type note | Coolant type matters on the John Deere 770. The listed type is John Deere Cool-Gard II, so avoid mixing random antifreeze unless compatibility is clear |
| Antifreeze mix note | For the John Deere 770, the antifreeze mix is listed as 60/40 coolant and water mix. Use the correct mix rather than topping up repeatedly with plain water |
| Refill check | Use the 1.22 gal (4.6 L) capacity to buy enough coolant for the John Deere 770, but finish the job by checking the actual level marks |
| Engine context | The engine context for the John Deere 770 is engine model Yanmar engine, engine horsepower 23 hp, and engine displacement 91.5 cu in (1.5 L). Use this for comparison only; the refill amount is the coolant capacity above |
John Deere 770 Coolant Capacity FAQ
How much coolant is needed for a John Deere 770 coolant change?
The John Deere 770 takes 1.22 gal (4.6 L) of coolant. Final level can settle after trapped air leaves the cooling system
Can I use John Deere Cool-Gard in the John Deere 770?
The John Deere 770 coolant spec points to John Deere Cool-Gard II. That matters because the wrong coolant can reduce corrosion and cavitation protection
What coolant and water mix is used in the John Deere 770?
The listed antifreeze mix for the John Deere 770 is 60/40 coolant and water mix. Use the correct mix for freeze, boil and corrosion protection
Should I bleed air after changing coolant in the John Deere 770?
After a coolant change on the John Deere 770, check for leaks, watch temperature and recheck the level once the engine cools down
When should I flush the John Deere 770 cooling system?
Low level, bad smell, rust, sludge, oil film or overheating are signs to inspect the John Deere 770 cooling system rather than only topping it up
Mistakes do happen. Tractor coolant capacity and coolant type can change by year, market, engine, radiator setup and service procedure. Check the operator manual, service manual and official deere.com website before draining, flushing or refilling the cooling system.
