For the John Deere 6120E, coolant capacity is 3.6 gal (13.6 L). Fill slowly and recheck the radiator or overflow level after the first heat cycle.
Coolant capacity3.6 gal (13.6 L)Cooling system refill amount
John Deere 6120E Coolant Capacity Specs
Coolant capacity
3.6 gal (13.6 L)
Engine horsepower
120 hp
Engine displacement
276 cu in (4.52 L)
John Deere 6120E Coolant Capacity Guide
Coolant capacity guide
This model
3.6 gal
Class low
6 gal
Class typical
9.5 gal
Class high
14 gal
Compared with a broad 6 series guide, not the full tractor dataset.
John Deere 6120E Coolant Service Notes
Coolant capacity note
For the John Deere 6120E, the coolant capacity is 3.6 gal (13.6 L). That is the buying and refill guide for a full cooling-system service
Coolant service note
Use 3.6 gal (13.6 L) as the refill guide for the John Deere 6120E. The final level should still be confirmed at the radiator or overflow bottle
Refill check
Use the 3.6 gal (13.6 L) capacity to buy enough coolant for the John Deere 6120E, but finish the job by checking the actual level marks
Engine context
For comparison, the John Deere 6120E engine details listed here are engine horsepower 120 hp and engine displacement 276 cu in (4.52 L). The coolant capacity remains the service number to use for refilling
John Deere 6120E Coolant Capacity FAQ
How many litres of coolant does the John Deere 6120E take?
The John Deere 6120E takes 3.6 gal (13.6 L) of coolant. Final level can settle after trapped air leaves the cooling system
How do I avoid air pockets when refilling the John Deere 6120E coolant?
After a coolant change on the John Deere 6120E, check for leaks, watch temperature and recheck the level once the engine cools down
Should old coolant be drained from the John Deere 6120E?
Low level, bad smell, rust, sludge, oil film or overheating are signs to inspect the John Deere 6120E 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.
