Coolant capacity for the John Deere Z740R is 1.59 gal (6 L). The coolant type is listed as John Deere Cool-Gard II, and the antifreeze mix is 40/60 coolant and water mix.
Coolant capacity1.59 gal (6 L)Cooling system refill amount
Antifreeze mix40/60 coolant and water mixFreeze/boil protection
John Deere Z740R 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 model
Kawasaki FX730V
Engine horsepower
23.5 hp
Engine displacement
44.3 cu in (0.73 L)
John Deere Z740R 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 Z740R Coolant Service Notes
Coolant capacity note
The useful service number here is 1.59 gal (6 L). Keep some extra coolant available because trapped air can lower the level after the first warm-up
Coolant service note
A proper coolant change on the John Deere Z740R means using the 1.59 gal (6 L) capacity and keeping the coolant chemistry consistent with John Deere Cool-Gard II and 40/60 coolant and water mix
Coolant type note
For the John Deere Z740R, coolant choice is listed as John Deere Cool-Gard II. Capacity tells you how much; coolant type tells you what to use
Antifreeze mix note
The John Deere Z740R coolant mix guidance is 40/60 coolant and water mix. This matters most in freezing weather, hot work and long service intervals
Refill check
For the John Deere Z740R, 1.59 gal (6 L) is the planned refill amount. The final level may need a small top-up after trapped air leaves the system
Engine context
For comparison, the John Deere Z740R engine details listed here are engine model Kawasaki FX730V, engine horsepower 23.5 hp, and engine displacement 44.3 cu in (0.73 L). The coolant capacity remains the service number to use for refilling
John Deere Z740R Coolant Capacity FAQ
What is the John Deere Z740R cooling system capacity?
For coolant service, the John Deere Z740R is listed at 1.59 gal (6 L). Buy enough coolant for that amount and confirm the final level at the machine
What coolant is recommended for the John Deere Z740R?
The listed coolant type for the John Deere Z740R is John Deere Cool-Gard II. Match that coolant chemistry before topping up or flushing the system
Should I use premixed coolant in the John Deere Z740R?
For the John Deere Z740R, the coolant mix is listed as 40/60 coolant and water mix. Do not dilute the system with too much plain water
Can the John Deere Z740R coolant level drop after refilling?
Do not judge the job only by pouring in 1.59 gal (6 L). The final check is the actual radiator or overflow level after the system has burped air
Should I flush the John Deere Z740R cooling system or just top it up?
Topping up is fine for a small low-level correction. If the coolant is old, rusty, oily, diluted or the wrong type, drain and flush the system using the 1.59 gal (6 L) capacity as the refill guide
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.
