The John Deere 6605 fuel tank capacity is 30 gal (113.6 L). It is listed with diesel fuel, a half-tank amount of 15 gal (56.8 L), and about 7 x 5-gal cans.
Fuel tank capacity30 gal (113.6 L)Empty-to-full tank amount
Half tank15 gal (56.8 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 6605 fuel tank capacity specs
Fuel tank capacity
30 gal (113.6 L)
Fuel capacity in litres
113.6 L
Half tank amount
15 gal (56.8 L)
5-gallon fuel cans
about 7 x 5-gal cans to have enough fuel from empty
10-litre fuel jugs
12 x 10-L jugs
Fuel type
diesel
Estimated full tank fuel weight
213 lb (97 kg) of diesel
Engine horsepower
105 hp
Engine displacement
414.4 cu in (6.79 L)
Fuel capacity per horsepower
0.286 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 6605 fuel planning notes
Fuel capacity note
The main fuel number for the John Deere 6605 is 30 gal (113.6 L). Use it as the empty-to-full tank amount, not as a guaranteed runtime figure.
Refill planning
The John Deere 6605 is easiest to plan by container count: about 7 x 5-gal cans or 12 x 10-L jugs. Do not overfill past the filler-neck guidance.
Fuel type note
The listed fuel type for the John Deere 6605 is diesel. Match the fuel type before filling; do not assume every John Deere machine uses diesel.
Full tank weight
The John Deere 6605 tank capacity equals roughly 213 lb (97 kg) of diesel when full. This helps when thinking about transport weight and fuel handling.
Engine context
The engine context for the John Deere 6605 is engine horsepower 105 hp, engine displacement 414.4 cu in (6.79 L), and tank-to-power ratio 0.286 gal per hp. Use this for comparison only; runtime still depends on workload.
Fuel tank capacity guide
This model
30 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 6605 fuel capacity FAQ
How many litres of fuel does the John Deere 6605 hold?
The listed fuel capacity for the John Deere 6605 is 30 gal (113.6 L). Treat it as the full tank size when planning fuel.
What is the litre conversion for the John Deere 6605 fuel tank?
In litres, the John Deere 6605 fuel capacity is about 113.6 L based on the listed 30 gal (113.6 L) tank size.
How many gallons is half a tank on the John Deere 6605?
For the John Deere 6605, half of the listed fuel capacity is 15 gal (56.8 L). The actual gauge reading may not be perfectly linear.
How many 5-gallon cans fill the John Deere 6605?
For an empty-to-full refill on the John Deere 6605, plan for about 7 x 5-gal cans or 12 x 10-L jugs. Stop at the correct fill level rather than forcing extra fuel in.
What fuel type does the John Deere 6605 use?
The listed fuel type for the John Deere 6605 is diesel. Match the correct fuel before filling the tank.
How many hours will the John Deere 6605 run on 30 gal (113.6 L)?
Runtime depends on tillage load, PTO load, hydraulic demand, pulling load, transport speed, throttle and field conditions. The 30 gal (113.6 L) tank gives the storage amount, not a fixed hour rating.
What does the John Deere 6605 tank size mean for refueling?
With a listed capacity of 30 gal (113.6 L), the John Deere 6605 is best planned as a utility tractor tank for fuel handling.
Official information note
Mistakes do happen. Check the operator manual, service manual and official deere.com website for official fuel capacity specifications.
