Coolant capacity for the John Deere 6140D is 4.75 gal (18 L). The coolant type is listed as John Deere Cool-Gard II, and the antifreeze mix is 60/40 coolant and water mix.
John Deere 6140D Coolant Capacity Specs
| Coolant capacity | 4.75 gal (18 L) |
|---|---|
| Coolant type | John Deere Cool-Gard II |
| Antifreeze mix | 60/40 coolant and water mix |
| Engine horsepower | 137.8 hp |
| Engine displacement | 276 cu in (4.52 L) |
John Deere 6140D Coolant Capacity Guide
Coolant capacity guide
Compared with a broad 6 series guide, not the full tractor dataset.
John Deere 6140D Coolant Service Notes
| Coolant capacity note | The John Deere 6140D cooling system is listed at 4.75 gal (18 L). Final level can settle after the first heat cycle, so recheck the level after service |
|---|---|
| Coolant service note | A proper coolant change on the John Deere 6140D means using the 4.75 gal (18 L) capacity and keeping the coolant chemistry consistent with John Deere Cool-Gard II and 60/40 coolant and water mix |
| Coolant type note | For the John Deere 6140D, 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 6140D coolant mix guidance is 60/40 coolant and water mix. This matters most in freezing weather, hot work and long service intervals |
| Refill check | For the John Deere 6140D, 4.75 gal (18 L) is the planned refill amount. The final level may need a small top-up after trapped air leaves the system |
| Engine context | The John Deere 6140D engine specs listed with this page are engine horsepower 137.8 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 6140D Coolant Capacity FAQ
What is the refill amount for the John Deere 6140D cooling system?
For coolant service, the John Deere 6140D is listed at 4.75 gal (18 L). Buy enough coolant for that amount and confirm the final level at the machine
What should I match when topping up coolant in the John Deere 6140D?
The listed coolant type for the John Deere 6140D 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 6140D?
For the John Deere 6140D, the coolant mix is listed as 60/40 coolant and water mix. Do not dilute the system with too much plain water
Should I run the John Deere 6140D after adding coolant?
Do not judge the job only by pouring in 4.75 gal (18 L). The final check is the actual radiator or overflow level after the system has burped air
When is a full coolant flush better than a top-up on the John Deere 6140D?
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 4.75 gal (18 L) capacity as the refill guide
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.
