The John Deere 8770 takes 14.6 gal (55.3 L) of coolant. Use coolant compatible with John Deere Cool-Gard II and follow the listed 40/60 coolant and water mix guidance.
Coolant capacity14.6 gal (55.3 L)Cooling system refill amount
Antifreeze mix40/60 coolant and water mixFreeze/boil protection
John Deere 8770 Coolant Capacity Specs
Coolant capacity
14.6 gal (55.3 L)
Coolant type
John Deere Cool-Gard II
Antifreeze mix
40/60 coolant and water mix
Engine horsepower
300 hp
Engine displacement
619 cu in (10.14 L)
John Deere 8770 Coolant Capacity Guide
Coolant capacity guide
This model
14.6 gal
Class low
10 gal
Class typical
16 gal
Class high
24 gal
Compared with a broad 8 series guide, not the full tractor dataset.
John Deere 8770 Coolant Service Notes
Coolant capacity note
The main coolant number for the John Deere 8770 is 14.6 gal (55.3 L). Use it as the cooling-system refill amount, then check the radiator or overflow level after the engine has warmed up and cooled down
Coolant service note
The John Deere 8770 cooling system should be refilled close to 14.6 gal (55.3 L), with coolant choice guided by John Deere Cool-Gard II and 40/60 coolant and water mix
Coolant type note
Coolant type matters on the John Deere 8770. 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 8770, the antifreeze mix is listed as 40/60 coolant and water mix. Use the correct mix rather than topping up repeatedly with plain water
Refill check
Use the 14.6 gal (55.3 L) capacity to buy enough coolant for the John Deere 8770, but finish the job by checking the actual level marks
Engine context
The John Deere 8770 engine specs listed with this page are engine horsepower 300 hp and engine displacement 619 cu in (10.14 L). They help identify the machine, but they are not a substitute for the coolant capacity
John Deere 8770 Coolant Capacity FAQ
What is the full coolant refill capacity for the John Deere 8770?
The John Deere 8770 takes 14.6 gal (55.3 L) of coolant. Final level can settle after trapped air leaves the cooling system
What coolant should I put in the John Deere 8770?
The John Deere 8770 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 8770?
The listed antifreeze mix for the John Deere 8770 is 40/60 coolant and water mix. Use the correct mix for freeze, boil and corrosion protection
Should the John Deere 8770 coolant be checked hot or cold?
After a coolant change on the John Deere 8770, check for leaks, watch temperature and recheck the level once the engine cools down
What signs mean the John Deere 8770 coolant should be flushed?
Low level, bad smell, rust, sludge, oil film or overheating are signs to inspect the John Deere 8770 cooling system rather than only topping it up
Official information note
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.
