Depending on the engine brand and model, it would be 1 1/2 to just over 2 qts.
There should be a belt diagram on the underside of the left foot rest.
That should be 6 quarts with the filter change. That should be 6 quarts with the filter change.
If it has a Briggs and Stratton engine you need SAE30. If it is a Kohler it uses 10W30.
A 17.5 horsepower Murray riding lawnmower should always have 1.5 quarts of oil in it. You may have to add more than that after an oil change because some of the oil will go down into the oil filter.
I believe it takes 5 quarts WITH FILTER CHANGE
4.5 Quarts in a 4 cylinder and 4.7 Quarts in a V6 with filter change.
It should be six quarts total if you change the filter. Otherwise, five quarts.
Without looking at the setup it's hard to tell. The mower chute and the bag inlet should be right on as a mismatch would cause clogs. It should be too tough to rig a hook and loop to hang the bag.
You should put between four to five quarts of oil in your E150 when you get an oil change. You should also change your oil every 3,000 miles to protect your motor.
Fluid and filter change should require 5-6 quarts.
6.9 quarts if youar also changing the oil filter...which should be done with every oil change
In my opinion it could take 4.5-5 quarts. (with a filter change)