Fuel tank capacity for the John Deere X738 is 5.2 gal (19.7 L). That equals 2.6 gal (9.8 L) at half tank, with diesel listed as the fuel type.
Fuel tank capacity5.2 gal (19.7 L)Empty-to-full tank amount
Half tank2.6 gal (9.8 L)Planning guide
5-gal cansabout 2 x 5-gal cans to have enough fuel from emptyPortable fuel estimate
Fuel typedieselUse correct fuel
John Deere X738 fuel tank capacity specs
Fuel tank capacity
5.2 gal (19.7 L)
Fuel capacity in litres
19.7 L
Half tank amount
2.6 gal (9.8 L)
5-gallon fuel cans
about 2 x 5-gal cans to have enough fuel from empty
10-litre fuel jugs
2 x 10-L jugs
Fuel type
diesel
Estimated full tank fuel weight
37 lb (17 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 X738 fuel planning notes
Fuel capacity note
For the John Deere X738, fuel tank capacity is 5.2 gal (19.7 L). This helps with fill-up planning, fuel storage and estimating how much fuel to bring to a job.
Refill planning
For an empty-to-full refill on the John Deere X738, plan for about 2 x 5-gal cans or 2 x 10-L jugs. Real fill amount can be slightly lower if fuel remains in the tank.
Fuel type note
Fuel type matters on the John Deere X738. The listed type is diesel, so use the correct fuel before judging performance or runtime.
Full tank weight
For transport and storage planning, the John Deere X738 full tank fuel load is roughly 37 lb (17 kg) of diesel. Actual weight varies slightly by fuel blend and temperature.
Fuel tank capacity guide
This model
5.2 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 X738 fuel capacity FAQ
What is the full tank capacity for the John Deere X738?
The full fuel tank capacity for the John Deere X738 is 5.2 gal (19.7 L). Runtime depends on load, throttle and terrain.
How many litres is the John Deere X738 fuel tank?
The John Deere X738 fuel tank is 5.2 gal (19.7 L), which converts to about 19.7 litres.
What is the half-tank amount for the John Deere X738?
A half tank on the John Deere X738 works out to roughly 2.6 gal (9.8 L), based on the listed 5.2 gal (19.7 L) full capacity.
How many fuel cans are needed to fill the John Deere X738?
The John Deere X738 fuel capacity works out to about 2 x 5-gal cans or 2 x 10-L jugs. A normal top-up usually takes less.
Does the John Deere X738 use gasoline?
For the John Deere X738, fuel type is listed as diesel. Do not assume diesel or gasoline without checking the machine label and manual.
How far can the John Deere X738 go on a tank?
The John Deere X738 tank size is 5.2 gal (19.7 L), but runtime changes with workload. Fuel use is higher with long grass, wet grass, hills, bagging, towing or high throttle than with short grass, flat ground and steady mowing.
Is the John Deere X738 fuel tank small or large?
The John Deere X738 has a small fuel tank at 5.2 gal (19.7 L), so one or two portable cans may cover a full empty-to-full refill.
Official information note
Mistakes do happen. Check the operator manual, service manual and official deere.com website for official fuel capacity specifications.
