: Early models featured a four-post ROPS (Roll-Over Protective Structure), but after 1981, the more advanced and comfortable SoundGard (SG2) cab became an available option.
: Available in both 4x2 (2WD) and 4x4 Mechanical Front Wheel Drive (MFWD) configurations. John Deere 1640 FL
The was a versatile utility tractor produced between 1979 and 1987 at the company's Mannheim factory in Germany. While there is no specific "FL" trim designation widely recorded in official technical literature, it is often associated with models equipped with a Front Loader (FL), as this was a common and essential attachment for this series. Core Technical Specifications : Early models featured a four-post ROPS (Roll-Over