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The final 4 digits denote differences between machines in terms of what the clearances are set at during manufacturing as well as where sight glasses versus oil vents are located.
This is not meant as an exhaustive list, but is the basics.
My understandings is 0169 & 0176 have similar tolerances and should be interchangeable where as 0203 has it’s own independent clearance setting.
"0203" - sight glass on right hand side of gear case when facing the drive shaft.
The "0169" does not have this feature.
Hope this helps you.
In stock at
http://www.steam-brite.com/gardner-d...70-p-5900.html
This is not meant as an exhaustive list, but is the basics.
My understandings is 0169 & 0176 have similar tolerances and should be interchangeable where as 0203 has it’s own independent clearance setting.
"0203" - sight glass on right hand side of gear case when facing the drive shaft.
The "0169" does not have this feature.
Hope this helps you.
In stock at
http://www.steam-brite.com/gardner-d...70-p-5900.html