For the John Deere F680, coolant capacity is 9.51 gal (36 L). Coolant choice is listed as John Deere Cool-Gard II, with 60% antifreeze/coolant mix guidance.
Coolant capacity9.51 gal (36 L)Cooling system refill amount
Compared with a broad older small tractor guide, not the full tractor dataset.
John Deere F680 Coolant Service Notes
Coolant capacity note
The John Deere F680 coolant capacity is 9.51 gal (36 L). Treat it as a cooling-system amount, not a radiator-only top-up amount
Coolant service note
For a full coolant service on the John Deere F680, plan around 9.51 gal (36 L) and match the listed coolant guidance: John Deere Cool-Gard II and 60% antifreeze/coolant mix
Coolant type note
The John Deere F680 coolant type is John Deere Cool-Gard II. Wrong coolant chemistry can reduce corrosion, freeze and boil protection
Antifreeze mix note
The listed mix for the John Deere F680 is 60% antifreeze/coolant mix. Keep the coolant strength in range after a drain, flush or top-up
Refill check
After a drain and refill on the John Deere F680, the cooling system can burp air. Recheck the level after the first warm-up and cool-down cycle
Engine context
For comparison, the John Deere F680 engine details listed here are engine model Kohler CH20S, engine horsepower 20 hp, and engine displacement 38.1 cu in (0.62 L). The coolant capacity remains the service number to use for refilling
John Deere F680 Coolant Capacity FAQ
How much coolant is needed for a John Deere F680 coolant change?
Plan around 9.51 gal (36 L) when servicing coolant on the John Deere F680. Recheck the system when cool because air pockets can lower the level
Can I use John Deere Cool-Gard in the John Deere F680?
Coolant type for the John Deere F680 is listed as John Deere Cool-Gard II. If the system has been filled with something else before, confirm compatibility before mixing
What coolant mix is listed for the John Deere F680?
The listed antifreeze mix for the John Deere F680 is 60% antifreeze/coolant mix. Use the correct mix for freeze, boil and corrosion protection
Should I bleed air after changing coolant in the John Deere F680?
Yes. Use the 9.51 gal (36 L) figure as the refill guide, but always recheck level after warm-up and cool-down because trapped air can move through the system
When should I flush the John Deere F680 cooling system?
If the John Deere F680 coolant is only slightly low and otherwise clean, topping up with compatible coolant can be enough. If condition is poor, drain and refill instead
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.
