John Deere 670 Fuel Tank Capacity

Quick answer

Fuel tank capacity for the John Deere 670 is 6.5 gal (24.6 L). That equals 3.25 gal (12.3 L) at half tank, with diesel listed as the fuel type.

Fuel tank capacity6.5 gal (24.6 L)Empty-to-full tank amount

Half tank3.25 gal (12.3 L)Planning guide

5-gal cansabout 2 x 5-gal cans to have enough fuel from emptyPortable fuel estimate

Fuel typedieselUse correct fuel

John Deere 670 fuel tank capacity specs

Fuel tank capacity	6.5 gal (24.6 L)
Fuel capacity in litres	24.6 L
Half tank amount	3.25 gal (12.3 L)
5-gallon fuel cans	about 2 x 5-gal cans to have enough fuel from empty
10-litre fuel jugs	3 x 10-L jugs
Fuel type	diesel
Estimated full tank fuel weight	46 lb (21 kg) of diesel
Engine model	Yanmar 3TNA72
Engine horsepower	19.3 hp
Engine displacement	53.6 cu in (0.88 L)
Fuel capacity per horsepower	0.337 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 670 fuel planning notes

Fuel capacity note	The main fuel number for the John Deere 670 is 6.5 gal (24.6 L). Use it as the empty-to-full tank amount, not as a guaranteed runtime figure.
Refill planning	For an empty-to-full refill on the John Deere 670, plan for about 2 x 5-gal cans or 3 x 10-L jugs. Real fill amount can be slightly lower if fuel remains in the tank.
Fuel type note	The listed fuel type for the John Deere 670 is diesel. Match the fuel type before filling; do not assume every John Deere machine uses diesel.
Full tank weight	For transport and storage planning, the John Deere 670 full tank fuel load is roughly 46 lb (21 kg) of diesel. Actual weight varies slightly by fuel blend and temperature.
Engine context	The John Deere 670 engine specs listed with this page are engine model Yanmar 3TNA72, engine horsepower 19.3 hp, engine displacement 53.6 cu in (0.88 L), and tank-to-power ratio 0.337 gal per hp. They help compare models but are not a fuel-consumption rating.

Fuel tank capacity guide

This model

6.5 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 670 fuel capacity FAQ

What is the John Deere 670 fuel capacity?

The John Deere 670 holds 6.5 gal (24.6 L) of fuel. A normal top-up may take less if there is fuel already in the tank.

What is the litre conversion for the John Deere 670 fuel tank?

The John Deere 670 fuel tank is 6.5 gal (24.6 L), which converts to about 24.6 litres.

What should the John Deere 670 hold at half fuel?

The John Deere 670 half-tank amount is 3.25 gal (12.3 L). If the machine is on a slope, the gauge may read differently.

How much portable fuel should I bring for the John Deere 670?

To fill the John Deere 670 from empty, budget about 2 x 5-gal cans or 3 x 10-L jugs. If it is only low rather than empty, reduce that amount.

What fuel should I put in the John Deere 670?

Use diesel in the John Deere 670 where that listing applies. Wrong fuel can create a much bigger problem than a low tank.

How long will the John Deere 670 run on a full tank?

Runtime depends on loader work, PTO use, mowing, pulling load, terrain, throttle and engine condition. The 6.5 gal (24.6 L) tank gives the storage amount, not a fixed hour rating.