Fuel tank capacity for the John Deere 1120 is 12 gal (45.4 L). That equals 6 gal (22.7 L) at half tank, with diesel 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 typedieselUse correct fuel
John Deere 1120 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
diesel
Estimated full tank fuel weight
85 lb (39 kg) of diesel
Engine horsepower
51 hp
Engine displacement
164.8 cu in (2.7 L)
Fuel capacity per horsepower
0.235 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 1120 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 1120, 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 1120 fuel type is diesel. Wrong fuel is a much bigger problem than a slightly short top-up.
Full tank weight
For transport and storage planning, the John Deere 1120 full tank fuel load is roughly 85 lb (39 kg) of diesel. Actual weight varies slightly by fuel blend and temperature.
Engine context
The John Deere 1120 engine specs listed with this page are engine horsepower 51 hp, engine displacement 164.8 cu in (2.7 L), and tank-to-power ratio 0.235 gal per hp. They help compare models but are not a fuel-consumption rating.
Fuel tank capacity guide
This model
12 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 1120 fuel capacity FAQ
How much fuel does the John Deere 1120 hold?
The John Deere 1120 tank holds 12 gal (45.4 L) from empty. Do not confuse full tank capacity with normal top-up amount.
How many litres of fuel does the John Deere 1120 hold?
The John Deere 1120 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 1120?
Half-full fuel on the John Deere 1120 is about 6 gal (22.7 L). Use the tank gauge as a guide, not a lab instrument.
How many fuel cans are needed to fill the John Deere 1120?
Portable refueling for the John Deere 1120 is roughly about 3 x 5-gal cans or 5 x 10-L jugs. Bring extra only if you expect long runtime or heavy use.
Does the John Deere 1120 use gasoline?
The John Deere 1120 fuel listing shows diesel. Use the correct fuel type and avoid mixing fuels.
How far can the John Deere 1120 go on a tank?
You cannot get a reliable runtime from tank size alone. The John Deere 1120 fuel capacity is 12 gal (45.4 L), but fuel burn depends on compact tractor work.
Is the John Deere 1120 fuel tank big enough for regular use?
The John Deere 1120 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.
