Ford or Chevy
Mack or Kenworth
Cat or Deere
Stihl or Husqvarna
Rotella or Delo
I have run H1R at 32:1 through multiple chainsaws, a few Shindawia weedwackers, couple stihl blowers, multiple TS420s, 2 Ts500I, a Stihl polesaw, a stihl garden tiller ( hers), a ms201 Mtron, and even a lil ms150...