The John Deere 8345R takes 10.6 gal (40.1 L) of coolant. Use coolant compatible with John Deere Cool-Gard II and follow the listed 60% antifreeze/coolant mix guidance.
John Deere 8345R Coolant Capacity Specs
| Coolant capacity | 10.6 gal (40.1 L) |
|---|---|
| Coolant type | John Deere Cool-Gard II |
| Antifreeze mix | 60% antifreeze/coolant mix |
| Engine horsepower | 345 hp |
| Engine displacement | 548 cu in (9 L) |
John Deere 8345R Coolant Capacity Guide
Coolant capacity guide
Compared with a broad 8 series guide, not the full tractor dataset.
John Deere 8345R Coolant Service Notes
| Coolant capacity note | The main coolant number for the John Deere 8345R is 10.6 gal (40.1 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 8345R cooling system should be refilled close to 10.6 gal (40.1 L), with coolant choice guided by John Deere Cool-Gard II and 60% antifreeze/coolant mix |
| Coolant type note | Coolant type matters on the John Deere 8345R. 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 8345R, the antifreeze mix is listed as 60% antifreeze/coolant mix. Use the correct mix rather than topping up repeatedly with plain water |
| Refill check | Use the 10.6 gal (40.1 L) capacity to buy enough coolant for the John Deere 8345R, but finish the job by checking the actual level marks |
| Engine context | For comparison, the John Deere 8345R engine details listed here are engine horsepower 345 hp and engine displacement 548 cu in (9 L). The coolant capacity remains the service number to use for refilling |
John Deere 8345R Coolant Capacity FAQ
What is the full coolant refill capacity for the John Deere 8345R?
The John Deere 8345R takes 10.6 gal (40.1 L) of coolant. Final level can settle after trapped air leaves the cooling system
What coolant should I put in the John Deere 8345R?
The John Deere 8345R 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 8345R?
The John Deere 8345R uses 60% antifreeze/coolant mix where that mix is specified. Confirm the mix against your climate and manual
Should the John Deere 8345R coolant be checked hot or cold?
After a coolant change on the John Deere 8345R, check for leaks, watch temperature and recheck the level once the engine cools down
What signs mean the John Deere 8345R coolant should be flushed?
Low level, bad smell, rust, sludge, oil film or overheating are signs to inspect the John Deere 8345R 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.






