the 026 pro is a newer version
The fuel mixture for a Stihl chain saw is gas and oil.
The Stihl 064 is a 84.9cc chainsaw.
A Stihl concrete saw is not hard to be found. Stihl has their own shops but also Stihl saws are found in the popular department stores. Home Depot and Lowe's are both options.
The Stihl 036 Pro is 61.5cc with a 34mm stroke, 48mm bore, and makes 4.6 horsepower at 9500 rpm.
At your local Stihl dealer
Stihl 029 super 56.5cc 3.8hp
Can I put a 18inch bar on a stihl
40 / 1
$100
I believe 111cc's or 6.77ci's.
The Stihl 023 is 40.1cc - 2.45cu.in. -weight 10.1 lbs. w/o bar and chain