For the John Deere GX85, coolant capacity is 1.5 gal (5.7 L). Coolant choice is listed as John Deere Cool-Gard II, with 60/40 coolant and water mix guidance.
Coolant capacity1.5 gal (5.7 L)Cooling system refill amount
Antifreeze mix60/40 coolant and water mixFreeze/boil protection
John Deere GX85 Coolant Capacity Specs
Coolant capacity
1.5 gal (5.7 L)
Coolant type
John Deere Cool-Gard II
Antifreeze mix
60/40 coolant and water mix
Engine model
John Deere GX85 tractor features a Briggs
Engine horsepower
13 hp
Engine displacement
28.4 cu in (0.47 L)
John Deere GX85 Coolant Capacity Guide
Coolant capacity guide
This model
1.5 gal
Class low
0.8 gal
Class typical
2.5 gal
Class high
5 gal
Compared with a broad older small tractor guide, not the full tractor dataset.
John Deere GX85 Coolant Service Notes
Coolant capacity note
The John Deere GX85 coolant capacity is 1.5 gal (5.7 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 GX85, plan around 1.5 gal (5.7 L) and match the listed coolant guidance: John Deere Cool-Gard II and 60/40 coolant and water mix
Coolant type note
The John Deere GX85 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 GX85 is 60/40 coolant and water 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 GX85, the cooling system can burp air. Recheck the level after the first warm-up and cool-down cycle
Engine context
The John Deere GX85 engine specs listed with this page are engine model John Deere GX85 tractor features a Briggs, engine horsepower 13 hp, and engine displacement 28.4 cu in (0.47 L). They help identify the machine, but they are not a substitute for the coolant capacity
John Deere GX85 Coolant Capacity FAQ
How much coolant is needed for a John Deere GX85 coolant change?
Plan around 1.5 gal (5.7 L) when servicing coolant on the John Deere GX85. Recheck the system when cool because air pockets can lower the level
Can I use John Deere Cool-Gard in the John Deere GX85?
Coolant type for the John Deere GX85 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 GX85?
If using concentrate for the John Deere GX85, mix it to 60/40 coolant and water mix before filling unless the product label says it is already premixed
Should I bleed air after changing coolant in the John Deere GX85?
Yes. Use the 1.5 gal (5.7 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 GX85 cooling system?
If the John Deere GX85 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.
