18 ounces
NFL player Andrew Tiller weighs 326 pounds.
A roto tiller is a landscaping tool that makes yardwork easier. It tills the soil (digs it up and turns it over) to prepare the ground for planing. It is much easier to use a roto tiller than to do the work by hand.
2 hours
Need to know which engine it has in order to answer this. The engine determines how much oil is required, not the chassis.
14.5 psi
Much more powerful, smoother power transfer to a rotating crankshaft and easier to control.
About 6 quarts/5.5 liters.
There is no transmission, so no transmission oil is required. Only two stroke oil is required, either pre mix or supplied to the engine by the oil injection pump located at the front of the engine.
You failed to list engine size and make. If it has a horizontal shaft 5−7 h.p. Briggs & Stratton non-Vanguard engine the total oil capacity is 20 ounces. If it is a Vanguard 6 h.p. engine the capacity is 24 ounces. Add 20 ounces and then check the oil level. If it has a Tecumseh engine it can be 20 or 21 ounces. Do not overfill.
5 quarts / 4.7 liters , with engine oil filter change
There is no transmission oil, its what is considered a wet clutch the engine oil lubricates the clutch, 2 quarts will fill the engine oil.
When you're turning over the soil in your garden next year, you may want to avoid the time consuming effort that it takes to turn over all that soil by hand or shovel. The truth is that there is a much more efficient way to turn your soil over, with a tiller being an option that can really save you a lot of time. A tiller is a tool that was specifically engineered to turn your soil over for you with a greater amount of speed and efficiency than you can provide with your hands. Next year, consider using a tiller to turn your soil over.