The John Deere F620 holds 6.5 gal (24.6 L) of fuel. For planning, half tank is 3.25 gal (12.3 L) and empty-to-full needs about 2 x 5-gal cans.
John Deere F620 fuel tank capacity specs
| Fuel tank capacity | 6.5 gal (24.6 L) |
|---|---|
| Fuel capacity in litres | 24.6 L |
| Half tank amount | 3.25 gal (12.3 L) |
| 5-gallon fuel cans | about 2 x 5-gal cans to have enough fuel from empty |
| 10-litre fuel jugs | 3 x 10-L jugs |
John Deere F620 fuel planning notes
| Fuel capacity note | For the John Deere F620, fuel tank capacity is 6.5 gal (24.6 L). This helps with fill-up planning, fuel storage and estimating how much fuel to bring to a job. |
|---|---|
| Refill planning | If carrying fuel to the John Deere F620, budget about 2 x 5-gal cans or 3 x 10-L jugs for a full empty-to-full refill. |
Fuel tank capacity guide
Compared with a broad Small / older tractor guide, not the full tractor dataset.
John Deere F620 fuel capacity FAQ
What is the empty-to-full fuel amount for the John Deere F620?
The full fuel tank capacity for the John Deere F620 is 6.5 gal (24.6 L). Runtime depends on load, throttle and terrain.
How many litres is the John Deere F620 fuel tank?
The John Deere F620 holds about 24.6 litres of fuel when filled from empty.
How many litres is half a tank on the John Deere F620?
The John Deere F620 half-tank amount is 3.25 gal (12.3 L). If the machine is on a slope, the gauge may read differently.
How many 10-litre jugs fill the John Deere F620?
To fill the John Deere F620 from empty, budget about 2 x 5-gal cans or 3 x 10-L jugs. If it is only low rather than empty, reduce that amount.
Can I calculate John Deere F620 fuel burn from tank size?
The John Deere F620 tank size is 6.5 gal (24.6 L), but runtime changes with workload. Fuel use is higher with loader work, rotary cutting, baling, tilling, pulling, hill work or heavy PTO use than with light mowing, road travel or low-load utility work.
Is the John Deere F620 fuel tank small or large?
The John Deere F620 tank is a small-to-utility size at 6.5 gal (24.6 L). It is easy to plan around standard 5-gallon cans.
Should I force more fuel into the John Deere F620 tank?
The John Deere F620 can take less than 6.5 gal (24.6 L) if it is not fully empty. Do not force extra fuel into the filler neck.
Mistakes do happen. Check the operator manual, service manual and official deere.com website for official fuel capacity specifications.



