John Deere 1840 Fuel Tank Capacity

Quick answer

Fuel tank capacity for the John Deere 1840 is 25.1 gal (95 L). That equals 12.55 gal (47.5 L) at half tank, with diesel listed as the fuel type.

Fuel tank capacity25.1 gal (95 L)Empty-to-full tank amount

Half tank12.55 gal (47.5 L)Planning guide

5-gal cansabout 6 x 5-gal cans to have enough fuel from emptyPortable fuel estimate

Fuel typedieselUse correct fuel

John Deere 1840 fuel tank capacity specs

Fuel tank capacity	25.1 gal (95 L)
Fuel capacity in litres	95 L
Half tank amount	12.55 gal (47.5 L)
5-gallon fuel cans	about 6 x 5-gal cans to have enough fuel from empty
10-litre fuel jugs	10 x 10-L jugs
Fuel type	diesel
Estimated full tank fuel weight	178 lb (81 kg) of diesel
Engine horsepower	70 hp
Engine displacement	239 cu in (3.92 L)
Fuel capacity per horsepower	0.359 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 1840 fuel planning notes

Fuel capacity note	The main fuel number for the John Deere 1840 is 25.1 gal (95 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 1840, plan for about 6 x 5-gal cans or 10 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 1840 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 1840 full tank fuel load is roughly 178 lb (81 kg) of diesel. Actual weight varies slightly by fuel blend and temperature.
Engine context	The John Deere 1840 engine specs listed with this page are engine horsepower 70 hp, engine displacement 239 cu in (3.92 L), and tank-to-power ratio 0.359 gal per hp. They help compare models but are not a fuel-consumption rating.

Fuel tank capacity guide

This model

25.1 gal

Guide low

6 gal

Guide typical

14 gal

Guide high

30 gal

Compared with a broad Compact / small utility tractor guide, not the full tractor dataset.

John Deere 1840 fuel capacity FAQ

What is the John Deere 1840 fuel tank capacity?

The John Deere 1840 fuel tank capacity is 25.1 gal (95 L). Use this as the empty-to-full refueling amount.

What is the litre conversion for the John Deere 1840 fuel tank?

The John Deere 1840 fuel tank is 25.1 gal (95 L), which converts to about 95 litres.

What should the John Deere 1840 hold at half fuel?

A half tank on the John Deere 1840 works out to roughly 12.55 gal (47.5 L), based on the listed 25.1 gal (95 L) full capacity.

How much portable fuel should I bring for the John Deere 1840?

The John Deere 1840 fuel capacity works out to about 6 x 5-gal cans or 10 x 10-L jugs. A normal top-up usually takes less.

What fuel should I put in the John Deere 1840?

For the John Deere 1840, fuel type is listed as diesel. Do not assume diesel or gasoline without checking the machine label and manual.

How long will the John Deere 1840 run on a full tank?

Runtime depends on loader work, mowing, PTO implements, slopes, travel speed, throttle and engine condition. The 25.1 gal (95 L) tank gives the storage amount, not a fixed hour rating.