Go to MTD official web page. Look for your owners manual and parts diagram, you will need the model number and serial number from the bottom side of your seat. I have a 46 and just looked it up last night! Good luck!
You will need to order a manual on the mower from the manufacturer (I assume Simplicity).
The John Deere LA130 is a model of riding lawnmower produced by the John Deere Company. The mower uses a 48 inch mower belt. Replacement mower belts are available online and at specific retailers.
You will need to remove the cutting deck to get to the blades. Here you will find the drive belt, which you just slip off.
how do you rout a belt for 42 inch master cut 13aj7955059
84 inch
On a Arien's mower you will use 46 inch belt. This is an older type lawn mower.
As long as they are close to the same year and model, yes. I have two decks side by side, one 38" and one 42", and all the brackets are the same. The belt will need to be changed for a longer one, though.
The 42 inch deck belt is 104 X 1/2 inches.
the drive belt is 76 length 1.5 width
5L74 gates
4L 63 inch
here is a diagram that might be helpful: https://jdparts.deere.com/partsmkt/document/english/featbene/L120_L130_48_3N1deck.pdf