John Deere 120 Fuel Tank Capacity

Quick answer

The John Deere 120 holds 4 gal (15.1 L) of fuel. The listed fuel type is gasoline; half a tank is 2 gal (7.6 L), and an empty-to-full refill needs 1 x 5-gal can.

Fuel tank capacity4 gal (15.1 L)Empty-to-full tank amount

Half tank2 gal (7.6 L)Planning guide

5-gal cans1 x 5-gal can is enough from emptyPortable fuel estimate

Fuel typegasolineUse correct fuel

John Deere 120 fuel tank capacity specs

Fuel tank capacity	4 gal (15.1 L)
Fuel capacity in litres	15.1 L
Half tank amount	2 gal (7.6 L)
5-gallon fuel cans	1 x 5-gal can is enough from empty
10-litre fuel jugs	2 x 10-L jugs
Fuel type	gasoline
Estimated full tank fuel weight	24 lb (11 kg) of gasoline
Engine model	Kohler 476cc
Engine horsepower	12 hp
Fuel capacity per horsepower	0.333 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 120 fuel planning notes

Fuel capacity note	The John Deere 120 fuel tank is listed at 4 gal (15.1 L). Runtime changes heavily with load, throttle, terrain and implement use.
Refill planning	If carrying fuel to the John Deere 120, budget 1 x 5-gal can or 2 x 10-L jugs for a full empty-to-full refill.
Fuel type note	For the John Deere 120, fuel choice is listed as gasoline. Capacity tells you how much; fuel type tells you what to put in it.
Full tank weight	A full tank on the John Deere 120 adds 24 lb (11 kg) of gasoline. This is an estimate for fuel weight only, not total machine weight.
Engine context	For comparison, the John Deere 120 engine details listed here are engine model Kohler 476cc, engine horsepower 12 hp, and tank-to-power ratio 0.333 gal per hp. Tank size alone does not predict fuel use per hour.

Fuel tank capacity guide

This model

4 gal

Guide low

4 gal

Guide typical

12 gal

Guide high

30 gal

Compared with a broad Small / older tractor guide, not the full tractor dataset.

John Deere 120 fuel capacity FAQ

What is the John Deere 120 fuel capacity?

The John Deere 120 tank holds 4 gal (15.1 L) from empty. Do not confuse full tank capacity with normal top-up amount.

What is the John Deere 120 fuel capacity in litres?

The John Deere 120 holds about 15.1 litres of fuel when filled from empty.

How much fuel is half full on the John Deere 120?

The John Deere 120 half-tank amount is 2 gal (7.6 L). If the machine is on a slope, the gauge may read differently.

How many fuel containers does the John Deere 120 need from empty?

To fill the John Deere 120 from empty, budget 1 x 5-gal can or 2 x 10-L jugs. If it is only low rather than empty, reduce that amount.

Does the John Deere 120 use diesel fuel?

Use gasoline in the John Deere 120 where that listing applies. Wrong fuel can create a much bigger problem than a low tank.

Does fuel tank capacity tell me the John Deere 120 runtime?

The John Deere 120 may run very different hours on the same 4 gal (15.1 L) tank depending on loader work, PTO implements, mowing, pulling, road travel and terrain. Use fuel capacity for planning, not as a fuel-burn rating.