John Deere 8R 340 Fuel Tank Capacity

Quick answer

The John Deere 8R 340 holds 212 gal (802.7 L) of fuel. The listed fuel type is diesel; half a tank is 106 gal (401.3 L), and an empty-to-full refill needs about 43 x 5-gal cans.

Fuel tank capacity212 gal (802.7 L)Empty-to-full tank amount

Half tank106 gal (401.3 L)Planning guide

5-gal cansabout 43 x 5-gal cans to have enough fuel from emptyPortable fuel estimate

Fuel typedieselUse correct fuel

John Deere 8R 340 fuel tank capacity specs

Fuel tank capacity	212 gal (802.7 L)
Fuel capacity in litres	802.6 L
Half tank amount	106 gal (401.3 L)
5-gallon fuel cans	about 43 x 5-gal cans to have enough fuel from empty
10-litre fuel jugs	81 x 10-L jugs
Fuel type	diesel
Estimated full tank fuel weight	1,505 lb (683 kg) of diesel
Engine horsepower	340 hp
Engine displacement	549 cu in (9 L)
Fuel capacity per horsepower	0.624 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 8R 340 fuel planning notes

Fuel capacity note	The main fuel number for the John Deere 8R 340 is 212 gal (802.7 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 8R 340, budget about 43 x 5-gal cans or 81 x 10-L jugs for a full empty-to-full refill.
Fuel type note	The listed fuel type for the John Deere 8R 340 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 8R 340 adds 1,505 lb (683 kg) of diesel. This is an estimate for fuel weight only, not total machine weight.
Engine context	For comparison, the John Deere 8R 340 engine details listed here are engine horsepower 340 hp, engine displacement 549 cu in (9 L), and tank-to-power ratio 0.624 gal per hp. Tank size alone does not predict fuel use per hour.

Fuel tank capacity guide

This model

212 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 8R 340 fuel capacity FAQ

How much fuel should I buy for the John Deere 8R 340?

The listed fuel capacity for the John Deere 8R 340 is 212 gal (802.7 L). Treat it as the full tank size when planning fuel.

What is the litre conversion for the John Deere 8R 340 fuel tank?

The John Deere 8R 340 holds about 802.6 litres of fuel when filled from empty.

How much fuel is half full on the John Deere 8R 340?

Half-full fuel on the John Deere 8R 340 is about 106 gal (401.3 L). Use the tank gauge as a guide, not a lab instrument.

How many fuel containers does the John Deere 8R 340 need from empty?

Portable refueling for the John Deere 8R 340 is roughly about 43 x 5-gal cans or 81 x 10-L jugs. Bring extra only if you expect long runtime or heavy use.

Does the John Deere 8R 340 use diesel fuel?

The John Deere 8R 340 fuel listing shows diesel. Use the correct fuel type and avoid mixing fuels.

Does fuel tank capacity tell me the John Deere 8R 340 runtime?

Runtime depends on tillage load, PTO load, hydraulic demand, pulling load, transport speed, throttle and field conditions. The 212 gal (802.7 L) tank gives the storage amount, not a fixed hour rating.