Also, not as many new 4WD tractor models were sold two to three ... 7 Bigiron.com online auction, a nifty 1979 Massey Ferguson 4880 4WD from northwest Iowa with 3,119 hours sold for $16,250.

All MF 9S tractors are equipped with Massey Ferguson's renowned Dyna-VT continuously variable transmission, which offers new power management to deliver additional torque and horsepower.