The outside diameter is 4 3/8 inch
Equivalent to John Deere cast metal part number H2711B
AGCO Massey Harris part number 850114M2
Exhaust pipe is 1-1/2" inch diameter and threads into the tractors exhaust manifold outlet
This is different than the LONG style toolbars that angle to both the left and right
New Old Stock Woods Mower Rear Belt Guide, 25561 The outside diameter is 4New Old Stock Woods Mower Rear Belt Guide. Woods Equipment part number 25561. Came from a dealership liquidation. Used on the below listed Woods Implements: L306AC 54 Undermount and Mid mount Allis Chalmers 5040 L306AC WD Undermount and Mid mount L306U Undermount and Mid mount IH B, BN, C, Super C, 200, 330, 404; John Deere A, B, 30T L42PH 1 Undermount and Mid mount L59 H 1 Undermount and Mid mount L59 P 1 Undermount and Mid mount L59AC WD Undermount