For the John Deere 6140M, coolant capacity is 5.83 gal (22.1 L). Fill slowly and recheck the radiator or overflow level after the first heat cycle.
Coolant capacity5.83 gal (22.1 L)Cooling system refill amount
John Deere 6140M Coolant Capacity Specs
Coolant capacity
5.83 gal (22.1 L)
Engine horsepower
140 hp
Engine displacement
276 cu in (4.52 L)
John Deere 6140M Coolant Capacity Guide
Coolant capacity guide
This model
5.83 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 6140M Coolant Service Notes
Coolant capacity note
For the John Deere 6140M, the coolant capacity is 5.83 gal (22.1 L). That is the buying and refill guide for a full cooling-system service
Coolant service note
The John Deere 6140M 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 6140M, the cooling system can burp air. Recheck the level after the first warm-up and cool-down cycle
Engine context
The John Deere 6140M engine specs listed with this page are engine horsepower 140 hp and engine displacement 276 cu in (4.52 L). They help identify the machine, but they are not a substitute for the coolant capacity
John Deere 6140M Coolant Capacity FAQ
How many litres of coolant does the John Deere 6140M take?
The cooling system capacity for the John Deere 6140M is 5.83 gal (22.1 L). This is the main refill figure for a drain, flush or coolant change
How do I avoid air pockets when refilling the John Deere 6140M coolant?
Fill the John Deere 6140M slowly, run it with the heater/thermostat cycle where applicable, let it cool and check the level again. That helps catch trapped air
Should old coolant be drained from the John Deere 6140M?
Flush the John Deere 6140M cooling system if the coolant is dirty, contaminated, badly diluted or overdue for service. A simple top-up does not fix old coolant chemistry
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.
