Oliver - OL6 Complete or Fabric:Complete Umbrella The canvas you have should

The canvas you have should have a center hole or grommet to be used with this hardware

æReplacement covers are designed like the original with a heavy metal center grommet

AC = Allis Chalmers

This unit is smaller than the regular field tractor umbrella

Commonly used for open station Tractors

Oliver - OL6 Complete or Fabric:Complete Umbrella The canvas you have shouldDescription Two panels display the classic Oliver Shield logo printed in green and red ink on yellow canvas. Dimensions Each of the umbrella's 6 sides is approx. 32". Approximate maximum opened spread width is 64". Canvas Information Fabric is 8 oz. double stitched water resistant "duck cloth" canvas. Shaft Information Straight Shaft Design uses a Heavy Duty Metal Pole (68" x 1. 25" o. d) with 6 Heavy Duty Steel Ribs approx. 36" long.