Husqvarna Riding Lawn Mower 46 Cut model #454140010G MOWER will not ingadge

so is a
Husqvarna YTH22V46 22-HP V-twin Hydrostatic 46-in Riding Lawn Mower

this is real name, and is mower not a car.
moved yah

jack it up and wiggle rear tires to free up box ?
brakes set?

Belt spilling

Hi Randall, The link below is to a web page with a few different free husqvarna riding lawn mower manuals. I would've give you the correct download but you didn't mentioned the year, Anyway this should help you.... CHEERS..
https://www.google.com.au/search?q=Husqvarna+Riding+Lawn+Mower+46+Cut+Kohler+Yth21k46&oq=Husqvarna+Riding+Lawn+Mower+46+Cut+Kohler+Yth21k46&aqs=chrome..69i57&sourceid=chrome&ie=UTF-8#q=user+manual+for+Husqvarna+Riding+Lawn+Mower+46+Cut+Kohler+Yth21k46

see if belt has burn spots in it that will cause it to jump excessively

to much gas check to see if chock is off or replace bad fuel siliniod rebuild carberator

If the transmission is hydrostatic and has some hours on it, the transaxle may be going bad. If this has been getting worse as you use it. If the problem happened suddenly, could be a belt loose or stretched.

Manuals and Downloads Then put in your model number

Exsessive vibration is normally attributable to the mower deck. If the vibration is occurring while the blades are engaged and cutting this would indicate a need for further investigation. Check the blades for damage or uneven ware. If the blades are new or appear in good shape check the mandrals and shafts to ensure they are not Brocken or bent. You can get mandrel assembly's for around $60.00 online and replace all you need in one go.

mille get yourself a cooler and put 8 cold beers in it. Put that cooler into the gap between the seat and the "dash" of the mower. Make sure your gas and oil are good. Have someone jump start your mower from a car and then you mow and drink and mow and drink until the beer is all gone. If the mower does not start from the battery the next day go out and buy yourself a new battery. If the battery and charging system are good then you do not have to charge it if it is being used regularly.