Is the PB-9510T worth it over a mid-size backpack blower?

If you clear heavy, wet debris or work commercially, the extra force and volume mean fewer passes and less time per job. For light suburban cleanup, a smaller, lighter blower is easier to carry and sips less fuel.

How does it compare with the Echo PB-9010T?

The PB-9510T is the more powerful of the two, with higher blowing force and air volume from its larger engine. It is also heavier and thirstier, so the trade-off is force against weight and fuel.

What fuel does the 79.9cc engine use?

It is a two-stroke engine that runs on a gasoline and oil premix, so you mix fuel yourself or buy pre-mixed cans. It does not run on straight pump gas.

Does it come with the tube and throttle assembled?

It ships with Posi-Loc tubes and a tube-mounted throttle, and the tubes push together and lock. Assembly is minimal, but check the connections are seated before the first use.

Is it too heavy for a homeowner?

The harness spreads the load, but it is a heavy commercial unit. If you blow leaves a few times a season on a small lot, a lighter handheld or mid-size backpack is more comfortable.