The John Deere 5103S fuel tank capacity is 18 gal (68.1 L). It is listed with diesel fuel, a half-tank amount of 9 gal (34.1 L), and about 4 x 5-gal cans.
Fuel tank capacity18 gal (68.1 L)Empty-to-full tank amount
Half tank9 gal (34.1 L)Planning guide
5-gal cansabout 4 x 5-gal cans to have enough fuel from emptyPortable fuel estimate
Fuel typedieselUse correct fuel
John Deere 5103S fuel tank capacity specs
Fuel tank capacity
18 gal (68.1 L)
Fuel capacity in litres
68.1 L
Half tank amount
9 gal (34.1 L)
5-gallon fuel cans
about 4 x 5-gal cans to have enough fuel from empty
10-litre fuel jugs
7 x 10-L jugs
Fuel type
diesel
Estimated full tank fuel weight
128 lb (58 kg) of diesel
Engine horsepower
42 hp
Engine displacement
179 cu in (2.93 L)
Fuel capacity per horsepower
0.428 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 5103S fuel planning notes
Fuel capacity note
The useful refueling spec here is 18 gal (68.1 L). It tells you tank size; it does not guarantee hours of operation under load.
Refill planning
The John Deere 5103S is easiest to plan by container count: about 4 x 5-gal cans or 7 x 10-L jugs. Do not overfill past the filler-neck guidance.
Fuel type note
The John Deere 5103S fuel type is diesel. Wrong fuel is a much bigger problem than a slightly short top-up.
Full tank weight
The John Deere 5103S tank capacity equals roughly 128 lb (58 kg) of diesel when full. This helps when thinking about transport weight and fuel handling.
Engine context
The engine context for the John Deere 5103S is engine horsepower 42 hp, engine displacement 179 cu in (2.93 L), and tank-to-power ratio 0.428 gal per hp. Use this for comparison only; runtime still depends on workload.
Fuel tank capacity guide
This model
18 gal
Guide low
18 gal
Guide typical
28 gal
Guide high
50 gal
Compared with a broad Utility tractor guide, not the full tractor dataset.
John Deere 5103S fuel capacity FAQ
What fuel tank size is listed for the John Deere 5103S?
For refueling, the John Deere 5103S is listed at 18 gal (68.1 L). This is tank size, not a guaranteed runtime figure.
How many litres of fuel does the John Deere 5103S hold?
In litres, the John Deere 5103S fuel capacity is about 68.1 L based on the listed 18 gal (68.1 L) tank size.
What is half a tank on the John Deere 5103S?
For the John Deere 5103S, half of the listed fuel capacity is 9 gal (34.1 L). The actual gauge reading may not be perfectly linear.
Can I fill the John Deere 5103S from 5-gallon cans?
For an empty-to-full refill on the John Deere 5103S, plan for about 4 x 5-gal cans or 7 x 10-L jugs. Stop at the correct fill level rather than forcing extra fuel in.
Which fuel is listed for the John Deere 5103S?
The listed fuel type for the John Deere 5103S is diesel. Match the correct fuel before filling the tank.
Can the John Deere 5103S run all day on one tank?
You cannot get a reliable runtime from tank size alone. The John Deere 5103S fuel capacity is 18 gal (68.1 L), but fuel burn depends on utility tractor work.
Is the John Deere 5103S fuel tank big enough for regular use?
The John Deere 5103S falls into a small / utility-size tank range at 18 gal (68.1 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.
