The John Deere 6425 fuel tank capacity is 66 gal (249.9 L). It is listed with diesel fuel, a half-tank amount of 33 gal (124.9 L), and about 14 x 5-gal cans.
Fuel tank capacity66 gal (249.9 L)Empty-to-full tank amount
Half tank33 gal (124.9 L)Planning guide
5-gal cansabout 14 x 5-gal cans to have enough fuel from emptyPortable fuel estimate
Fuel typedieselUse correct fuel
John Deere 6425 fuel tank capacity specs
Fuel tank capacity
66 gal (249.9 L)
Fuel capacity in litres
249.9 L
Half tank amount
33 gal (124.9 L)
5-gallon fuel cans
about 14 x 5-gal cans to have enough fuel from empty
10-litre fuel jugs
25 x 10-L jugs
Fuel type
diesel
Estimated full tank fuel weight
469 lb (213 kg) of diesel
Engine horsepower
114 hp
Engine displacement
274.6 cu in (4.5 L)
Fuel capacity per horsepower
0.579 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 6425 fuel planning notes
Fuel capacity note
The main fuel number for the John Deere 6425 is 66 gal (249.9 L). Use it as the empty-to-full tank amount, not as a guaranteed runtime figure.
Refill planning
The John Deere 6425 is easiest to plan by container count: about 14 x 5-gal cans or 25 x 10-L jugs. Do not overfill past the filler-neck guidance.
Fuel type note
The listed fuel type for the John Deere 6425 is diesel. Match the fuel type before filling; do not assume every John Deere machine uses diesel.
Full tank weight
The John Deere 6425 tank capacity equals roughly 469 lb (213 kg) of diesel when full. This helps when thinking about transport weight and fuel handling.
Engine context
The engine context for the John Deere 6425 is engine horsepower 114 hp, engine displacement 274.6 cu in (4.5 L), and tank-to-power ratio 0.579 gal per hp. Use this for comparison only; runtime still depends on workload.
Fuel tank capacity guide
This model
66 gal
Guide low
30 gal
Guide typical
55 gal
Guide high
90 gal
Compared with a broad 6 Series guide, not the full tractor dataset.
John Deere 6425 fuel capacity FAQ
How many litres of fuel does the John Deere 6425 hold?
The listed fuel capacity for the John Deere 6425 is 66 gal (249.9 L). Treat it as the full tank size when planning fuel.
What is the litre conversion for the John Deere 6425 fuel tank?
In litres, the John Deere 6425 fuel capacity is about 249.9 L based on the listed 66 gal (249.9 L) tank size.
How many gallons is half a tank on the John Deere 6425?
For the John Deere 6425, half of the listed fuel capacity is 33 gal (124.9 L). The actual gauge reading may not be perfectly linear.
How many 5-gallon cans fill the John Deere 6425?
For an empty-to-full refill on the John Deere 6425, plan for about 14 x 5-gal cans or 25 x 10-L jugs. Stop at the correct fill level rather than forcing extra fuel in.
What fuel type does the John Deere 6425 use?
The listed fuel type for the John Deere 6425 is diesel. Match the correct fuel before filling the tank.
How many hours will the John Deere 6425 run on 66 gal (249.9 L)?
Runtime depends on tillage load, PTO load, hydraulic demand, pulling load, transport speed, throttle and field conditions. The 66 gal (249.9 L) tank gives the storage amount, not a fixed hour rating.
What does the John Deere 6425 tank size mean for refueling?
With a listed capacity of 66 gal (249.9 L), the John Deere 6425 is best planned as a larger utility / row-crop tank for fuel handling.
Official information note
Mistakes do happen. Check the operator manual, service manual and official deere.com website for official fuel capacity specifications.
