Fuel tank capacity for the John Deere 9420R is 310 gal (1,173.5 L). That equals 155 gal (586.7 L) at half tank, with diesel listed as the fuel type.
John Deere 9420R fuel tank capacity specs
| Fuel tank capacity | 310 gal (1,173.5 L) |
|---|---|
| Fuel capacity in litres | 1,173.5 L |
| Half tank amount | 155 gal (586.7 L) |
| 5-gallon fuel cans | about 63 x 5-gal cans to have enough fuel from empty |
| 10-litre fuel jugs | 118 x 10-L jugs |
| Fuel type | diesel |
| Estimated full tank fuel weight | 2,201 lb (998 kg) of diesel |
John Deere 9420R fuel planning notes
| Fuel capacity note | The main fuel number for the John Deere 9420R is 310 gal (1,173.5 L). Use it as the empty-to-full tank amount, not as a guaranteed runtime figure. |
|---|---|
| Refill planning | For an empty-to-full refill on the John Deere 9420R, plan for about 63 x 5-gal cans or 118 x 10-L jugs. Real fill amount can be slightly lower if fuel remains in the tank. |
| Fuel type note | The listed fuel type for the John Deere 9420R is diesel. Match the fuel type before filling; do not assume every John Deere machine uses diesel. |
| Full tank weight | For transport and storage planning, the John Deere 9420R full tank fuel load is roughly 2,201 lb (998 kg) of diesel. Actual weight varies slightly by fuel blend and temperature. |
Fuel tank capacity guide
Compared with a broad 9 Series guide, not the full tractor dataset.
John Deere 9420R fuel capacity FAQ
How many litres of fuel does the John Deere 9420R hold?
The John Deere 9420R fuel tank capacity is 310 gal (1,173.5 L). Use this as the empty-to-full refueling amount.
What is the litre conversion for the John Deere 9420R fuel tank?
The John Deere 9420R fuel tank is 310 gal (1,173.5 L), which converts to about 1,173.5 litres.
What should the John Deere 9420R hold at half fuel?
For the John Deere 9420R, half of the listed fuel capacity is 155 gal (586.7 L). The actual gauge reading may not be perfectly linear.
How much portable fuel should I bring for the John Deere 9420R?
For an empty-to-full refill on the John Deere 9420R, plan for about 63 x 5-gal cans or 118 x 10-L jugs. Stop at the correct fill level rather than forcing extra fuel in.
What fuel should I put in the John Deere 9420R?
The listed fuel type for the John Deere 9420R is diesel. Match the correct fuel before filling the tank.
How long will the John Deere 9420R run on a full tank?
Runtime depends on tillage load, PTO load, hydraulic demand, pulling load, transport speed, throttle and field conditions. The 310 gal (1,173.5 L) tank gives the storage amount, not a fixed hour rating.
What does the John Deere 9420R tank size mean for refueling?
With a listed capacity of 310 gal (1,173.5 L), the John Deere 9420R is best planned as a large tractor tank for fuel handling.
Mistakes do happen. Check the operator manual, service manual and official deere.com website for official fuel capacity specifications.

