The John Deere X728 holds 5.2 gal (19.7 L) of fuel. The listed fuel type is diesel; half a tank is 2.6 gal (9.8 L), and an empty-to-full refill needs about 2 x 5-gal cans.
John Deere X728 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 |
John Deere X728 fuel planning notes
| Fuel capacity note | The main fuel number for the John Deere X728 is 5.2 gal (19.7 L). Use it as the empty-to-full tank amount, not as a guaranteed runtime figure. |
|---|---|
| Refill planning | If carrying fuel to the John Deere X728, budget about 2 x 5-gal cans or 2 x 10-L jugs for a full empty-to-full refill. |
| Fuel type note | The listed fuel type for the John Deere X728 is diesel. Match the fuel type before filling; do not assume every John Deere machine uses diesel. |
| Full tank weight | A full tank on the John Deere X728 adds 37 lb (17 kg) of diesel. This is an estimate for fuel weight only, not total machine weight. |
Fuel tank capacity guide
Compared with a broad Lawn / garden tractor guide, not the full tractor dataset.
John Deere X728 fuel capacity FAQ
How many litres of fuel does the John Deere X728 hold?
For refueling, the John Deere X728 is listed at 5.2 gal (19.7 L). This is tank size, not a guaranteed runtime figure.
What is the litre conversion for the John Deere X728 fuel tank?
The John Deere X728 holds about 19.7 litres of fuel when filled from empty.
How much fuel is half full on the John Deere X728?
For the John Deere X728, half of the listed fuel capacity is 2.6 gal (9.8 L). The actual gauge reading may not be perfectly linear.
How many fuel containers does the John Deere X728 need from empty?
For an empty-to-full refill on the John Deere X728, plan for about 2 x 5-gal cans or 2 x 10-L jugs. Stop at the correct fill level rather than forcing extra fuel in.
Does the John Deere X728 use diesel fuel?
The listed fuel type for the John Deere X728 is diesel. Match the correct fuel before filling the tank.
Does fuel tank capacity tell me the John Deere X728 runtime?
Runtime depends on grass height, mowing load, hills, towing, throttle position and engine condition. The 5.2 gal (19.7 L) tank gives the storage amount, not a fixed hour rating.
What does the John Deere X728 tank size mean for refueling?
With a listed capacity of 5.2 gal (19.7 L), the John Deere X728 is best planned as a small tank for fuel handling.
Mistakes do happen. Check the operator manual, service manual and official deere.com website for official fuel capacity specifications.

