The John Deere 8400 holds 130 gal (492.1 L) of fuel. The listed fuel type is diesel; half a tank is 65 gal (246.1 L), and an empty-to-full refill needs about 26 x 5-gal cans.
Fuel tank capacity130 gal (492.1 L)Empty-to-full tank amount
Half tank65 gal (246.1 L)Planning guide
5-gal cansabout 26 x 5-gal cans to have enough fuel from emptyPortable fuel estimate
Fuel typedieselUse correct fuel
John Deere 8400 fuel tank capacity specs
Fuel tank capacity
130 gal (492.1 L)
Fuel capacity in litres
492.1 L
Half tank amount
65 gal (246.1 L)
5-gallon fuel cans
about 26 x 5-gal cans to have enough fuel from empty
10-litre fuel jugs
50 x 10-L jugs
Fuel type
diesel
Estimated full tank fuel weight
923 lb (419 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 8400 fuel planning notes
Fuel capacity note
The useful refueling spec here is 130 gal (492.1 L). It tells you tank size; it does not guarantee hours of operation under load.
Refill planning
If carrying fuel to the John Deere 8400, budget about 26 x 5-gal cans or 50 x 10-L jugs for a full empty-to-full refill.
Fuel type note
The John Deere 8400 fuel type is diesel. Wrong fuel is a much bigger problem than a slightly short top-up.
Full tank weight
A full tank on the John Deere 8400 adds 923 lb (419 kg) of diesel. This is an estimate for fuel weight only, not total machine weight.
Fuel tank capacity guide
This model
130 gal
Guide low
100 gal
Guide typical
155 gal
Guide high
230 gal
Compared with a broad 8 Series guide, not the full tractor dataset.
John Deere 8400 fuel capacity FAQ
What fuel tank size is listed for the John Deere 8400?
The empty-to-full fuel amount for the John Deere 8400 is 130 gal (492.1 L). If the gauge is not on empty, it will take less.
How many litres of fuel does the John Deere 8400 hold?
The John Deere 8400 holds about 492.1 litres of fuel when filled from empty.
How many litres is half a tank on the John Deere 8400?
For the John Deere 8400, half of the listed fuel capacity is 65 gal (246.1 L). The actual gauge reading may not be perfectly linear.
How many 10-litre jugs fill the John Deere 8400?
For an empty-to-full refill on the John Deere 8400, plan for about 26 x 5-gal cans or 50 x 10-L jugs. Stop at the correct fill level rather than forcing extra fuel in.
Is the John Deere 8400 diesel or gasoline?
The listed fuel type for the John Deere 8400 is diesel. Match the correct fuel before filling the tank.
Can I calculate John Deere 8400 fuel burn from tank size?
You cannot get a reliable runtime from tank size alone. The John Deere 8400 fuel capacity is 130 gal (492.1 L), but fuel burn depends on field work.
Is the John Deere 8400 fuel tank big enough for regular use?
The John Deere 8400 falls into a large tractor tank range at 130 gal (492.1 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.
