12 Inch Plow Share for Massey Ferguson Moldboard Plows, 660592 The mounting arms are 17-1/2"

The mounting arms are 17-1/2" inches long

and 504 tractors

The inlet length is 2-3/4" inch with an inlet ID of 1-15/16" inch

Rear Rockshaft for Massey Harris Pony Tractors

240 (serial numbers 65001 and up)]

12 Inch Plow Share for Massey Ferguson Moldboard Plows, 660592 The mounting arms are 17-1/2"New Old Stock 12" Inch 2 Bolt Full Cut Plow Share for Massey Ferguson Moldboard Plow with "N" Series Plow Bottoms. Replaces Massey Ferguson and aftermarket moldboard plow share part numbers: 660592, 660592M1, REQ MF 12, REQMF12. The mounting holes are 5 1 4" inch apart. Please check measurements before ordering to ensure correct fit. Tillage parts labeled as "New Old Stock" are from various manufacturers. These items will fit and function correctly