Fuel tank capacity for the John Deere X120 is 3.93 gal (14.9 L). That equals 2 gal (7.4 L) at half tank, with gasoline listed as the fuel type.
Fuel tank capacity3.93 gal (14.9 L)Empty-to-full tank amount
Half tank2 gal (7.4 L)Planning guide
5-gal cans1 x 5-gal can is enough from emptyPortable fuel estimate
Fuel typegasolineUse correct fuel
John Deere X120 fuel tank capacity specs
Fuel tank capacity
3.93 gal (14.9 L)
Fuel capacity in litres
14.9 L
Half tank amount
2 gal (7.4 L)
5-gallon fuel cans
1 x 5-gal can is enough from empty
10-litre fuel jugs
2 x 10-L jugs
Fuel type
gasoline
Estimated full tank fuel weight
24 lb (11 kg) of gasoline
Engine model
Briggs & Stratton 31
Engine horsepower
12 hp
Engine displacement
30.6 cu in (0.5 L)
Fuel capacity per horsepower
0.328 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 X120 fuel planning notes
Fuel capacity note
The John Deere X120 fuel tank is listed at 3.93 gal (14.9 L). Runtime changes heavily with load, throttle, terrain and implement use.
Refill planning
For an empty-to-full refill on the John Deere X120, plan for 1 x 5-gal can or 2 x 10-L jugs. Real fill amount can be slightly lower if fuel remains in the tank.
Fuel type note
For the John Deere X120, fuel choice is listed as gasoline. Capacity tells you how much; fuel type tells you what to put in it.
Full tank weight
For transport and storage planning, the John Deere X120 full tank fuel load is roughly 24 lb (11 kg) of gasoline. Actual weight varies slightly by fuel blend and temperature.
Engine context
The John Deere X120 engine specs listed with this page are engine model Briggs & Stratton 31, engine horsepower 12 hp, engine displacement 30.6 cu in (0.5 L), and tank-to-power ratio 0.328 gal per hp. They help compare models but are not a fuel-consumption rating.
Fuel tank capacity guide
This model
3.93 gal
Guide low
1 gal
Guide typical
2.5 gal
Guide high
5.5 gal
Compared with a broad Lawn / garden tractor guide, not the full tractor dataset.
John Deere X120 fuel capacity FAQ
What is the John Deere X120 fuel tank capacity?
For refueling, the John Deere X120 is listed at 3.93 gal (14.9 L). This is tank size, not a guaranteed runtime figure.
What is the John Deere X120 fuel capacity in litres?
The John Deere X120 fuel tank is 3.93 gal (14.9 L), which converts to about 14.9 litres.
What should the John Deere X120 hold at half fuel?
A half tank on the John Deere X120 works out to roughly 2 gal (7.4 L), based on the listed 3.93 gal (14.9 L) full capacity.
How much portable fuel should I bring for the John Deere X120?
The John Deere X120 fuel capacity works out to 1 x 5-gal can or 2 x 10-L jugs. A normal top-up usually takes less.
What fuel should I put in the John Deere X120?
For the John Deere X120, fuel type is listed as gasoline. Do not assume diesel or gasoline without checking the machine label and manual.
How long will the John Deere X120 run on a full tank?
The John Deere X120 may run very different hours on the same 3.93 gal (14.9 L) tank depending on mowing conditions, slopes, towing and throttle use. Use fuel capacity for planning, not as a fuel-burn rating.
How does the John Deere X120 tank size compare?
Because the John Deere X120 tank is only 3.93 gal (14.9 L), portable can planning matters more than bulk fuel planning.
Official information note
Mistakes do happen. Check the operator manual, service manual and official deere.com website for official fuel capacity specifications.
