The John Deere X749 takes 5.5 gal (20.8 L) of coolant. After refilling, run the engine, let it cool and confirm the final level.
Coolant capacity5.5 gal (20.8 L)Cooling system refill amount
John Deere X749 Coolant Capacity Specs
Coolant capacity
5.5 gal (20.8 L)
Engine horsepower
24 hp
John Deere X749 Coolant Capacity Guide
Coolant capacity guide
This model
5.5 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 X749 Coolant Service Notes
Coolant capacity note
The useful service number here is 5.5 gal (20.8 L). Keep some extra coolant available because trapped air can lower the level after the first warm-up
Coolant service note
The John Deere X749 should be filled by capacity first, then verified by the actual level marks after the engine cools
Refill check
After a drain and refill on the John Deere X749, 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 X749 engine details listed here are engine horsepower 24 hp. The coolant capacity remains the service number to use for refilling
John Deere X749 Coolant Capacity FAQ
How much coolant should I buy for the John Deere X749?
Plan around 5.5 gal (20.8 L) when servicing coolant on the John Deere X749. Recheck the system when cool because air pockets can lower the level
Do I fill the John Deere X749 exactly to capacity or check the level marks?
Yes. Use the 5.5 gal (20.8 L) figure as the refill guide, but always recheck level after warm-up and cool-down because trapped air can move through the system
Can I just add coolant to the John Deere X749 if the level is low?
If the John Deere X749 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.
