Atco Identification and Sprocket Help
         Ivanhoe Roberts
      
      Can anyone know if this is the correct model number 1755.
And any clues on how to remove these Chain Sprogs from the Side Plate.
Forums
no tag found
no tag found
Assume you have checked the…
Assume you have checked the cutting width, if 17in would appear to be a 1755, no doubt you have seen the Atco timeline.
It does look like the mid…
It does look like the mid 50s model, so could well be a 1955...
https://oldlawnmowerclub.co.uk/technical/mowers/atco-1755
https://oldlawnmowerclub.co.uk/restore/manufacturers/Atco
 
          
Hello Have you found a tag…
Hello
Have you found a tag saying 1755? Often a copper tag attached to bolt=nut on sude cover
As to the sprocket, suggest a gear puller.