The John Deere X590 takes 0.53 gal (2 L) of coolant. Use coolant compatible with John Deere Cool-Gard II and follow the listed 50/50 coolant and water mix guidance.
John Deere X590 Coolant Capacity Specs
| Coolant capacity | 0.53 gal (2 L) |
|---|---|
| Coolant type | John Deere Cool-Gard II |
| Antifreeze mix | 50/50 coolant and water mix |
| Engine model | Kawasaki FS730 |
| Engine horsepower | 25.5 hp |
| Engine displacement | 44.3 cu in (0.73 L) |
John Deere X590 Coolant Capacity Guide
Coolant capacity guide
Compared with a broad ztrak / mower guide, not the full tractor dataset.
John Deere X590 Coolant Service Notes
| Coolant capacity note | The John Deere X590 cooling system is listed at 0.53 gal (2 L). Final level can settle after the first heat cycle, so recheck the level after service |
|---|---|
| Coolant service note | The John Deere X590 cooling system should be refilled close to 0.53 gal (2 L), with coolant choice guided by John Deere Cool-Gard II and 50/50 coolant and water mix |
| Coolant type note | Coolant type matters on the John Deere X590. 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 X590, the antifreeze mix is listed as 50/50 coolant and water mix. Use the correct mix rather than topping up repeatedly with plain water |
| Refill check | Use the 0.53 gal (2 L) capacity to buy enough coolant for the John Deere X590, but finish the job by checking the actual level marks |
| Engine context | For comparison, the John Deere X590 engine details listed here are engine model Kawasaki FS730, engine horsepower 25.5 hp, and engine displacement 44.3 cu in (0.73 L). The coolant capacity remains the service number to use for refilling |
John Deere X590 Coolant Capacity FAQ
How much coolant does the John Deere X590 take?
The John Deere X590 takes 0.53 gal (2 L) of coolant. Final level can settle after trapped air leaves the cooling system
Does the John Deere X590 use John Deere Cool-Gard coolant?
The John Deere X590 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 X590?
Use the listed 50/50 coolant and water mix mix when refilling the John Deere X590. Too much water weakens protection; too much concentrate can also reduce cooling performance
Do I need to recheck coolant level after servicing the John Deere X590?
After a coolant change on the John Deere X590, check for leaks, watch temperature and recheck the level once the engine cools down
When should contaminated coolant be replaced in the John Deere X590?
Low level, bad smell, rust, sludge, oil film or overheating are signs to inspect the John Deere X590 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.







