The John Deere 670 compact tractor had a fairly long production that lasted a total of 9 years, since 1989, when it first appeared, until its production ended in 1997. JD 670 is available in two versions: with 4×4 MFWD chassis4WD or with 4×2 2WD chassis. The 4×2 chassis gives it a total weight of 784 kg (1730 lbs), while the 4×4 chassis gives it a total weight of 843 kg (1860 lbs). Taking into account the weight of this compact utility tractor, one would expect it to be propelled by a powerful engine, but the engine only produces 18. 5 hp.
The engine that propels the John Deere 670 is a 3TNA72 model. It has a total displacement of only 0. 9 liters. Its liquid cooling system contains 3. 8 liters of water. The Yanmar engine has 3 cylinders and triggers a compression ratio of 22. 3 to 1. The engine has a dry element air filter to prevent dust from entering the engine where it can damage it. The pressure lubrication system that keeps the engine running without problems contains 2. 6 liters of oil. The engine is started with a 1 2-volt battery that supplies the 420 cold starting amps to the engine. The engine has a 20 amps alternator that uses to recharge the battery once running.
The fuel tank of the John Deere 670 has capacity for 23. 8 liters of diesel. The JD 670 does not come with the cabin. Instead, it only has an antivuelco protection system (ROPS) of 2 posts. The tractor has a central TDF, which means that a herb mowing platform can be attached. In the rear, you can attach a retroexcavator John Deere 7 operated by the hydraulic system. In the front, a John Deere 60 front charger can be attached. Other models of this series include the John Deere 770 which is a bit larger and more powerful.
