Fuel tank capacity for the John Deere 40 is 12 gal (45.4 L). That equals 6 gal (22.7 L) at half tank, with gasoline listed as the fuel type.
Fuel tank capacity12 gal (45.4 L)Empty-to-full tank amount
Half tank6 gal (22.7 L)Planning guide
5-gal cansabout 3 x 5-gal cans to have enough fuel from emptyPortable fuel estimate
Fuel typegasolineUse correct fuel
John Deere 40 fuel tank capacity specs
Fuel tank capacity
12 gal (45.4 L)
Fuel capacity in litres
45.4 L
Half tank amount
6 gal (22.7 L)
5-gallon fuel cans
about 3 x 5-gal cans to have enough fuel from empty
10-litre fuel jugs
5 x 10-L jugs
Fuel type
gasoline
Estimated full tank fuel weight
73 lb (33 kg) of gasoline
Engine horsepower
23 hp
Engine displacement
100.5 cu in (1.65 L)
Fuel capacity per horsepower
0.522 gal per hp
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 40 fuel planning notes
Fuel capacity note
The useful refueling spec here is 12 gal (45.4 L). It tells you tank size; it does not guarantee hours of operation under load.
Refill planning
For an empty-to-full refill on the John Deere 40, plan for about 3 x 5-gal cans or 5 x 10-L jugs. Real fill amount can be slightly lower if fuel remains in the tank.
Fuel type note
The John Deere 40 fuel type is gasoline. Wrong fuel is a much bigger problem than a slightly short top-up.
Full tank weight
For transport and storage planning, the John Deere 40 full tank fuel load is roughly 73 lb (33 kg) of gasoline. Actual weight varies slightly by fuel blend and temperature.
Engine context
The John Deere 40 engine specs listed with this page are engine horsepower 23 hp, engine displacement 100.5 cu in (1.65 L), and tank-to-power ratio 0.522 gal per hp. They help compare models but are not a fuel-consumption rating.
Fuel tank capacity guide
This model
12 gal
Guide low
4 gal
Guide typical
12 gal
Guide high
30 gal
Compared with a broad Small / older tractor guide, not the full tractor dataset.
John Deere 40 fuel capacity FAQ
What is the full tank capacity for the John Deere 40?
The John Deere 40 fuel tank capacity is 12 gal (45.4 L). Use this as the empty-to-full refueling amount.
How many litres of fuel does the John Deere 40 hold?
The John Deere 40 fuel tank is 12 gal (45.4 L), which converts to about 45.4 litres.
What is the half-tank amount for the John Deere 40?
A half tank on the John Deere 40 works out to roughly 6 gal (22.7 L), based on the listed 12 gal (45.4 L) full capacity.
How many fuel cans are needed to fill the John Deere 40?
The John Deere 40 fuel capacity works out to about 3 x 5-gal cans or 5 x 10-L jugs. A normal top-up usually takes less.
Does the John Deere 40 use gasoline?
For the John Deere 40, fuel type is listed as gasoline. Do not assume diesel or gasoline without checking the machine label and manual.
How far can the John Deere 40 go on a tank?
You cannot get a reliable runtime from tank size alone. The John Deere 40 fuel capacity is 12 gal (45.4 L), but fuel burn depends on utility tractor work.
Is the John Deere 40 fuel tank big enough for regular use?
The John Deere 40 falls into a small / utility-size tank range at 12 gal (45.4 L). Use that to decide whether portable cans or pump refueling makes more sense.
Official information note
Mistakes do happen. Check the operator manual, service manual and official deere.com website for official fuel capacity specifications.
