You’re not doing the machine any favors by running number 1 Diesel fuel. It has lower heating value, so the engine produces less power and it’s close to jet fuel, which has lower lubricity than number 2 Diesel.
The only good thing about it is that the pour point is suppressed so it doesn’t gel as readily at low temperatures.
You're right, that's what I've always heard also. However, I put plenty of Diesel Fuel lubricant in my number 1 fuel and having come close to gelling it up once, it didn't quite quit running but it was extremely close, I am motivated to make sure that does not happen. It seems to burn more number one than number 2, but it has more than enough power for snow removal I do in the winter. When I get to having a heated shop to store it in, I may just leave number 2 with winter treatment in it. Actually this year I burnt mostly number 2 with anti gel and fuel lubricant. I started building pasture fence in mid-February and the temps were pretty close to the temp where number 2 would gel, but with the anti-gel in the fuel, it worked like a charm.
