The John Deere 3440 fuel tank capacity is 33.3 gal (126 L). It is listed with diesel fuel, a half-tank amount of 16.65 gal (63 L), and about 7 x 5-gal cans.
Fuel tank capacity33.3 gal (126 L)Empty-to-full tank amount
Half tank16.65 gal (63 L)Planning guide
5-gal cansabout 7 x 5-gal cans to have enough fuel from emptyPortable fuel estimate
Fuel typedieselUse correct fuel
John Deere 3440 fuel tank capacity specs
Fuel tank capacity
33.3 gal (126 L)
Fuel capacity in litres
126 L
Half tank amount
16.65 gal (63 L)
5-gallon fuel cans
about 7 x 5-gal cans to have enough fuel from empty
10-litre fuel jugs
13 x 10-L jugs
Fuel type
diesel
Estimated full tank fuel weight
236 lb (107 kg) of diesel
Engine horsepower
102 hp
Engine displacement
359 cu in (5.88 L)
Fuel capacity per horsepower
0.326 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 3440 fuel planning notes
Fuel capacity note
The John Deere 3440 fuel tank is listed at 33.3 gal (126 L). Runtime changes heavily with load, throttle, terrain and implement use.
Refill planning
The John Deere 3440 is easiest to plan by container count: about 7 x 5-gal cans or 13 x 10-L jugs. Do not overfill past the filler-neck guidance.
Fuel type note
For the John Deere 3440, fuel choice is listed as diesel. Capacity tells you how much; fuel type tells you what to put in it.
Full tank weight
The John Deere 3440 tank capacity equals roughly 236 lb (107 kg) of diesel when full. This helps when thinking about transport weight and fuel handling.
Engine context
The engine context for the John Deere 3440 is engine horsepower 102 hp, engine displacement 359 cu in (5.88 L), and tank-to-power ratio 0.326 gal per hp. Use this for comparison only; runtime still depends on workload.
Fuel tank capacity guide
This model
33.29 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 3440 fuel capacity FAQ
How much fuel fits in the John Deere 3440 tank?
The John Deere 3440 tank holds 33.3 gal (126 L) from empty. Do not confuse full tank capacity with normal top-up amount.
What is the John Deere 3440 fuel capacity in litres?
In litres, the John Deere 3440 fuel capacity is about 126 L based on the listed 33.3 gal (126 L) tank size.
How many gallons is half a tank on the John Deere 3440?
Half a tank on the John Deere 3440 is about 16.65 gal (63 L). Treat it as a planning number because gauge accuracy varies.
How many 5-gallon cans fill the John Deere 3440?
From empty, the John Deere 3440 needs about 7 x 5-gal cans or 13 x 10-L jugs. If the tank already has fuel, you will need less.
What fuel type does the John Deere 3440 use?
The John Deere 3440 is listed for diesel. Confirm at the cap, decal or manual before refueling if the machine history is unclear.
How many hours will the John Deere 3440 run on 33.3 gal (126 L)?
The John Deere 3440 may run very different hours on the same 33.3 gal (126 L) tank depending on loader use, PTO implements, mowing, travel and terrain. Use fuel capacity for planning, not as a fuel-burn rating.
How does the John Deere 3440 tank size compare?
For the John Deere 3440, plan fuel before field work because a full empty-to-full refill is more than a quick splash from one small can.
Official information note
Mistakes do happen. Check the operator manual, service manual and official deere.com website for official fuel capacity specifications.
