Driving impression: Massey Ferguson 2190 big baler For the past 25+ years, the US-built Hesston big baler has been the machine against which all others in its 4ft x 4ft bale profile class have been judged. Today its latest incarnation has been subjected to a cosmetic facelift and upgrade to specification detail, but most of the design fundamentals remain unchanged. Meet the MF2190 model, complete with its fancy new curves