The John Deere Z920A takes 1.59 gal (6 L) of coolant. Use coolant compatible with John Deere Cool-Gard II and follow the listed 40/60 coolant and water mix guidance.
Coolant capacity1.59 gal (6 L)Cooling system refill amount
Antifreeze mix40/60 coolant and water mixFreeze/boil protection
John Deere Z920A Coolant Capacity Specs
Coolant capacity
1.59 gal (6 L)
Coolant type
John Deere Cool-Gard II
Antifreeze mix
40/60 coolant and water mix
Engine horsepower
26 hp
Engine displacement
44.3 cu in (0.73 L)
John Deere Z920A Coolant Capacity Guide
Coolant capacity guide
This model
1.59 gal
Class low
0.5 gal
Class typical
2.5 gal
Class high
4.5 gal
Compared with a broad ztrak / mower guide, not the full tractor dataset.
John Deere Z920A Coolant Service Notes
Coolant capacity note
For the John Deere Z920A, the coolant capacity is 1.59 gal (6 L). That is the buying and refill guide for a full cooling-system service
Coolant service note
The John Deere Z920A cooling system should be refilled close to 1.59 gal (6 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 Z920A. 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 Z920A, 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 1.59 gal (6 L) capacity to buy enough coolant for the John Deere Z920A, but finish the job by checking the actual level marks
Engine context
The John Deere Z920A engine specs listed with this page are engine horsepower 26 hp and engine displacement 44.3 cu in (0.73 L). They help identify the machine, but they are not a substitute for the coolant capacity
John Deere Z920A Coolant Capacity FAQ
How many litres of coolant does the John Deere Z920A take?
The John Deere Z920A takes 1.59 gal (6 L) of coolant. Final level can settle after trapped air leaves the cooling system
What coolant chemistry should the John Deere Z920A use?
The John Deere Z920A 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 Z920A?
If using concentrate for the John Deere Z920A, mix it to 40/60 coolant and water mix before filling unless the product label says it is already premixed
How do I avoid air pockets when refilling the John Deere Z920A coolant?
After a coolant change on the John Deere Z920A, check for leaks, watch temperature and recheck the level once the engine cools down
Should old coolant be drained from the John Deere Z920A?
Low level, bad smell, rust, sludge, oil film or overheating are signs to inspect the John Deere Z920A 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.
