The John Deere 6R 120 holds 51.49 gal (194.9 L) of fuel. The listed fuel type is diesel; half a tank is 25.74 gal (97.5 L), and an empty-to-full refill needs about 11 x 5-gal cans.
Fuel tank capacity51.49 gal (194.9 L)Empty-to-full tank amount
Half tank25.74 gal (97.5 L)Planning guide
5-gal cansabout 11 x 5-gal cans to have enough fuel from emptyPortable fuel estimate
Fuel typedieselUse correct fuel
John Deere 6R 120 fuel tank capacity specs
Fuel tank capacity
51.49 gal (194.9 L)
Fuel capacity in litres
194.9 L
Half tank amount
25.74 gal (97.5 L)
5-gallon fuel cans
about 11 x 5-gal cans to have enough fuel from empty
10-litre fuel jugs
20 x 10-L jugs
Fuel type
diesel
Estimated full tank fuel weight
366 lb (166 kg) of diesel
Engine model
PowerTech PSS t
Engine horsepower
118 hp
Engine displacement
276 cu in (4.52 L)
Fuel capacity per horsepower
0.436 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 6R 120 fuel planning notes
Fuel capacity note
The John Deere 6R 120 fuel tank is listed at 51.49 gal (194.9 L). Runtime changes heavily with load, throttle, terrain and implement use.
Refill planning
If carrying fuel to the John Deere 6R 120, budget about 11 x 5-gal cans or 20 x 10-L jugs for a full empty-to-full refill.
Fuel type note
For the John Deere 6R 120, fuel choice is listed as diesel. Capacity tells you how much; fuel type tells you what to put in it.
Full tank weight
A full tank on the John Deere 6R 120 adds 366 lb (166 kg) of diesel. This is an estimate for fuel weight only, not total machine weight.
Engine context
For comparison, the John Deere 6R 120 engine details listed here are engine model PowerTech PSS t, engine horsepower 118 hp, engine displacement 276 cu in (4.52 L), and tank-to-power ratio 0.436 gal per hp. Tank size alone does not predict fuel use per hour.
Fuel tank capacity guide
This model
51.49 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 6R 120 fuel capacity FAQ
What is the John Deere 6R 120 fuel tank capacity?
The John Deere 6R 120 tank holds 51.49 gal (194.9 L) from empty. Do not confuse full tank capacity with normal top-up amount.
What is the John Deere 6R 120 fuel capacity in litres?
The John Deere 6R 120 holds about 194.9 litres of fuel when filled from empty.
How much fuel is half full on the John Deere 6R 120?
A half tank on the John Deere 6R 120 works out to roughly 25.74 gal (97.5 L), based on the listed 51.49 gal (194.9 L) full capacity.
How many fuel containers does the John Deere 6R 120 need from empty?
The John Deere 6R 120 fuel capacity works out to about 11 x 5-gal cans or 20 x 10-L jugs. A normal top-up usually takes less.
Does the John Deere 6R 120 use diesel fuel?
For the John Deere 6R 120, fuel type is listed as diesel. Do not assume diesel or gasoline without checking the machine label and manual.
Does fuel tank capacity tell me the John Deere 6R 120 runtime?
The John Deere 6R 120 may run very different hours on the same 51.49 gal (194.9 L) tank depending on tillage, pulling, PTO load, hydraulic demand, transport speed and field conditions. Use fuel capacity for planning, not as a fuel-burn rating.
How does the John Deere 6R 120 tank size compare?
For the John Deere 6R 120, the 51.49 gal (194.9 L) capacity is big enough that fuel trailer, farm tank or pump access can save time.
Official information note
Mistakes do happen. Check the operator manual, service manual and official deere.com website for official fuel capacity specifications.
