The listed coolant capacity for the John Deere 7820 is 28.58 gal (108.2 L). Keep a little extra coolant available for final top-up after air leaves the system.
Coolant capacity28.58 gal (108.2 L)Cooling system refill amount
John Deere 7820 Coolant Capacity Specs
Coolant capacity
28.58 gal (108.2 L)
John Deere 7820 Coolant Capacity Guide
Coolant capacity guide
This model
28.58 gal
Class low
8 gal
Class typical
13 gal
Class high
18 gal
Compared with a broad 7 series guide, not the full tractor dataset.
John Deere 7820 Coolant Service Notes
Coolant capacity note
The main coolant number for the John Deere 7820 is 28.58 gal (108.2 L). Use it as the cooling-system refill amount, then check the radiator or overflow level after the engine has warmed up and cooled down
Coolant service note
For a full coolant service on the John Deere 7820, plan around 28.58 gal (108.2 L), refill slowly, run the engine, let it cool and recheck the level
Refill check
When refilling the John Deere 7820, do not pour in 28.58 gal (108.2 L) and walk away. Fill slowly, run the engine, let it cool and recheck the level
John Deere 7820 Coolant Capacity FAQ
How many gallons of coolant does the John Deere 7820 hold?
A full coolant refill on the John Deere 7820 is listed at 28.58 gal (108.2 L). Fill slowly and allow for a small top-up after the first heat cycle
Why does coolant level drop after changing coolant in the John Deere 7820?
Check the John Deere 7820 coolant level cold after service. Hot coolant is pressurized and dangerous, so let the system cool before opening the cap
Is topping up enough for the John Deere 7820 cooling system?
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 7820
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.
