Coolant capacity for the John Deere 5125ML is 3.3 gal (12.5 L). This is the main refill figure for a drain, flush or coolant change.
Coolant capacity3.3 gal (12.5 L)Cooling system refill amount
John Deere 5125ML Coolant Capacity Specs
Coolant capacity
3.3 gal (12.5 L)
Engine horsepower
125 hp
Engine displacement
274.6 cu in (4.5 L)
John Deere 5125ML Coolant Capacity Guide
Coolant capacity guide
This model
3.3 gal
Class low
4 gal
Class typical
6.5 gal
Class high
10 gal
Compared with a broad utility tractor guide, not the full tractor dataset.
John Deere 5125ML Coolant Service Notes
Coolant capacity note
The John Deere 5125ML coolant capacity is 3.3 gal (12.5 L). Treat it as a cooling-system amount, not a radiator-only top-up amount
Coolant service note
Use 3.3 gal (12.5 L) as the refill guide for the John Deere 5125ML. The final level should still be confirmed at the radiator or overflow bottle
Refill check
Use the 3.3 gal (12.5 L) capacity to buy enough coolant for the John Deere 5125ML, but finish the job by checking the actual level marks
Engine context
The John Deere 5125ML engine specs listed with this page are engine horsepower 125 hp and engine displacement 274.6 cu in (4.5 L). They help identify the machine, but they are not a substitute for the coolant capacity
John Deere 5125ML Coolant Capacity FAQ
How much coolant is needed for a John Deere 5125ML coolant change?
The John Deere 5125ML takes 3.3 gal (12.5 L) of coolant. Final level can settle after trapped air leaves the cooling system
Should I bleed air after changing coolant in the John Deere 5125ML?
After a coolant change on the John Deere 5125ML, check for leaks, watch temperature and recheck the level once the engine cools down
When should I flush the John Deere 5125ML cooling system?
Low level, bad smell, rust, sludge, oil film or overheating are signs to inspect the John Deere 5125ML 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.
