The John Deere 6520L coolant capacity is 3.8 gal (14.4 L). Use this as the cooling-system refill amount and recheck the level after the engine cools.
Coolant capacity3.8 gal (14.4 L)Cooling system refill amount
John Deere 6520L Coolant Capacity Specs
Coolant capacity
3.8 gal (14.4 L)
Engine horsepower
95 hp
Engine displacement
267 cu in (4.38 L)
John Deere 6520L Coolant Capacity Guide
Coolant capacity guide
This model
3.8 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 6520L Coolant Service Notes
Coolant capacity note
The John Deere 6520L cooling system is listed at 3.8 gal (14.4 L). Final level can settle after the first heat cycle, so recheck the level after service
Coolant service note
For a full coolant service on the John Deere 6520L, plan around 3.8 gal (14.4 L), refill slowly, run the engine, let it cool and recheck the level
Refill check
When refilling the John Deere 6520L, do not pour in 3.8 gal (14.4 L) and walk away. Fill slowly, run the engine, let it cool and recheck the level
Engine context
The engine context for the John Deere 6520L is engine horsepower 95 hp and engine displacement 267 cu in (4.38 L). Use this for comparison only; the refill amount is the coolant capacity above
John Deere 6520L Coolant Capacity FAQ
What is the refill amount for the John Deere 6520L cooling system?
A full coolant refill on the John Deere 6520L is listed at 3.8 gal (14.4 L). Fill slowly and allow for a small top-up after the first heat cycle
Should I run the John Deere 6520L after adding coolant?
Check the John Deere 6520L coolant level cold after service. Hot coolant is pressurized and dangerous, so let the system cool before opening the cap
When is a full coolant flush better than a top-up on the John Deere 6520L?
If coolant condition is good, topping up may be enough. If it is old or contaminated, a full drain and refill is safer for the John Deere 6520L
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.
