This article will introduce you to a classic and widely used tractor. The 50 Series is came out in 1983. It’s Row-Crop tractor. Built in Waterloo, Iowa, USA. The original price is $38,931 (1983 Quad-Range ROPS 2WD ) and $58,690 (1983 Power Shift Cab 4WD )John Deere 4050 have two types engines, John