The John Deere Z820A holds 16.51 gal (62.5 L) of fuel. The listed fuel type is diesel; half a tank is 8.26 gal (31.2 L), and an empty-to-full refill needs about 4 x 5-gal cans.
Fuel tank capacity16.51 gal (62.5 L)Empty-to-full tank amount
Half tank8.26 gal (31.2 L)Planning guide
5-gal cansabout 4 x 5-gal cans to have enough fuel from emptyPortable fuel estimate
Fuel typedieselUse correct fuel
John Deere Z820A fuel tank capacity specs
Fuel tank capacity
16.51 gal (62.5 L)
Fuel capacity in litres
62.5 L
Half tank amount
8.26 gal (31.2 L)
5-gallon fuel cans
about 4 x 5-gal cans to have enough fuel from empty
10-litre fuel jugs
7 x 10-L jugs
Fuel type
diesel
Estimated full tank fuel weight
117 lb (53 kg) of diesel
Engine model
Kawasaki FH721
Engine horsepower
25 hp
Engine displacement
40.9 cu in (0.67 L)
Fuel capacity per horsepower
0.66 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 Z820A fuel planning notes
Fuel capacity note
The main fuel number for the John Deere Z820A is 16.51 gal (62.5 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 Z820A, budget about 4 x 5-gal cans or 7 x 10-L jugs for a full empty-to-full refill.
Fuel type note
The listed fuel type for the John Deere Z820A 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 Z820A adds 117 lb (53 kg) of diesel. This is an estimate for fuel weight only, not total machine weight.
Engine context
For comparison, the John Deere Z820A engine details listed here are engine model Kawasaki FH721, engine horsepower 25 hp, engine displacement 40.9 cu in (0.67 L), and tank-to-power ratio 0.66 gal per hp. Tank size alone does not predict fuel use per hour.
Fuel tank capacity guide
This model
16.51 gal
Guide low
5 gal
Guide typical
12 gal
Guide high
22 gal
Compared with a broad compact fuel tank guide, selected from the listed tank size.
John Deere Z820A fuel capacity FAQ
How many litres of fuel does the John Deere Z820A hold?
The empty-to-full fuel amount for the John Deere Z820A is 16.51 gal (62.5 L). If the gauge is not on empty, it will take less.
What is the litre conversion for the John Deere Z820A fuel tank?
The John Deere Z820A holds about 62.5 litres of fuel when filled from empty.
How much fuel is half full on the John Deere Z820A?
For the John Deere Z820A, half of the listed fuel capacity is 8.26 gal (31.2 L). The actual gauge reading may not be perfectly linear.
How many fuel containers does the John Deere Z820A need from empty?
For an empty-to-full refill on the John Deere Z820A, plan for about 4 x 5-gal cans or 7 x 10-L jugs. Stop at the correct fill level rather than forcing extra fuel in.
Does the John Deere Z820A use diesel fuel?
The listed fuel type for the John Deere Z820A is diesel. Match the correct fuel before filling the tank.
Does fuel tank capacity tell me the John Deere Z820A runtime?
Runtime depends on grass height, mowing load, hills, towing, throttle position and engine condition. The 16.51 gal (62.5 L) tank gives the storage amount, not a fixed hour rating.
What does the John Deere Z820A tank size mean for refueling?
With a listed capacity of 16.51 gal (62.5 L), the John Deere Z820A is best planned as a small / utility-size 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.
