Pulley diameter is 9
New Old Stock Front Mount Bumper for Massey Ferguson 1000 Series Tractors
The inside mounting holes are 27" inches apart (center of hole to center of hole)
Used on many Woods Equipment Products Mower with caster yoke with 1 square 5/8 hole
The last picture shows the 2 styles of toolbars options
New Old Stock Front Bumper for Massey Ferguson 383, 231, 253, 270, 285, 290, 298, 300 Tractors, MF383, MF231,MF253, MF270, MF280, MF290, MF298, MF300 Pulley diameter is 9New Old Stock Bumper for Massey Ferguson 383, 231, 253, 270, 285, 290, 298, and 300 Tractors WITH Weight Bracket. Tractor front bumper is also referred to as a tractor grille guard or tractor brush guard. MADE IN USA!!! The bumper is 27" inches wide X 18" inches tall. Please measure your tractor before ordering to make sure it will match your tractor. Bumper will come primed and shipped unboxed. This may result in handling and shipping scuff marks.