The John Deere 4066R fuel tank capacity is 13.79 gal (52.2 L). It is listed with diesel fuel, a half-tank amount of 6.89 gal (26.1 L), and about 3 x 5-gal cans.
Fuel tank capacity13.79 gal (52.2 L)Empty-to-full tank amount
Half tank6.89 gal (26.1 L)Planning guide
5-gal cansabout 3 x 5-gal cans to have enough fuel from emptyPortable fuel estimate
Fuel typedieselUse correct fuel
John Deere 4066R fuel tank capacity specs
Fuel tank capacity
13.79 gal (52.2 L)
Fuel capacity in litres
52.2 L
Half tank amount
6.89 gal (26.1 L)
5-gallon fuel cans
about 3 x 5-gal cans to have enough fuel from empty
10-litre fuel jugs
6 x 10-L jugs
Fuel type
diesel
Estimated full tank fuel weight
98 lb (44 kg) of diesel
Fuel capacity is a tank-size figure. Actual top-up amount and runtime depend on remaining fuel, workload, throttle use, terrain and machine condition.
John Deere 4066R fuel planning notes
Fuel capacity note
For the John Deere 4066R, fuel tank capacity is 13.79 gal (52.2 L). This helps with fill-up planning, fuel storage and estimating how much fuel to bring to a job.
Refill planning
The John Deere 4066R is easiest to plan by container count: about 3 x 5-gal cans or 6 x 10-L jugs. Do not overfill past the filler-neck guidance.
Fuel type note
Fuel type matters on the John Deere 4066R. The listed type is diesel, so use the correct fuel before judging performance or runtime.
Full tank weight
The John Deere 4066R tank capacity equals roughly 98 lb (44 kg) of diesel when full. This helps when thinking about transport weight and fuel handling.
Fuel tank capacity guide
This model
13.79 gal
Guide low
6 gal
Guide typical
14 gal
Guide high
30 gal
Compared with a broad Compact / small utility tractor guide, not the full tractor dataset.
John Deere 4066R fuel capacity FAQ
What is the full tank capacity for the John Deere 4066R?
The John Deere 4066R holds 13.79 gal (52.2 L) of fuel. A normal top-up may take less if there is fuel already in the tank.
How many litres is the John Deere 4066R fuel tank?
In litres, the John Deere 4066R fuel capacity is about 52.2 L based on the listed 13.79 gal (52.2 L) tank size.
What is half a tank on the John Deere 4066R?
A half tank on the John Deere 4066R works out to roughly 6.89 gal (26.1 L), based on the listed 13.79 gal (52.2 L) full capacity.
Can I fill the John Deere 4066R from 5-gallon cans?
The John Deere 4066R fuel capacity works out to about 3 x 5-gal cans or 6 x 10-L jugs. A normal top-up usually takes less.
Which fuel is listed for the John Deere 4066R?
For the John Deere 4066R, fuel type is listed as diesel. Do not assume diesel or gasoline without checking the machine label and manual.
Can the John Deere 4066R run all day on one tank?
The John Deere 4066R tank size is 13.79 gal (52.2 L), but runtime changes with workload. Fuel use is higher with loader work, rotary cutting, tilling, snow work, hill work or heavy PTO use than with light mowing, transport or light yard work.
Is the John Deere 4066R fuel tank small or large?
The John Deere 4066R tank is a small-to-utility size at 13.79 gal (52.2 L). It is easy to plan around standard 5-gallon cans.
Official information note
Mistakes do happen. Check the operator manual, service manual and official deere.com website for official fuel capacity specifications.
