John Deere 8370R Tractor and McFarlane HDL-1050 Harrow smoothing out ground following a John Deere 8370R and a manure plow on a drag line. Milo is being seeded as a second crop following the 2015 corn silage harvest. The John Deere 8370R Tractor and McFarlane HDL-1050 Harrow are smoothing out the ridges left by the manure plow ahead of a John Deere 9410R and a 40ft 1890 air drill.