Click the Cub Cadet Parts & Service block at top of this page,
Click the square Cub Cadet block on new page that opens,
Type in your model number (LT1045) & search,
Click your year,
Click "Assemblies",
Scroll to bottom, click "Show More"
Scroll down & click "Mower Deck - 46-Inch"
To download a complete parts manual go here.....
http://manuals.mtdproducts.com/mtd/Public.do
and enter the 11 digit model number and serial number under your seat.