go to sears.com type in model number and serial number, most of the time they will show you a parts break down/ note belts are like every thing else you get what you pay for. a good belt will cost about $20
forward drive belt is a Gates # 6838 38x1/2 reverse belt is a Gates # 45x1/2
Oscar Wilson.com bought all the parts for the Murray snowblower. Contact them and give them your model number and serial number of your snowblower and if they have any left they will take care of you.
fordward is 1/2 by 38 inch reverse is 1/2 by 44inch
31''
3/8 x 33.1"
If you are just replacing a belt then take the old one to an auto parts store, they will size it for you.
Deck belt is 1/2" wide 79" long. Tractor Supply has them pretty much every store.
37x63
Most LT12H mowers take a #213676 OEM belt or #6885 Gates belt for the blade application
My John Deere snowblower with a 5 horsepower Tecumseh engine takes ( 20 ounces ) which would be .625 of a U.S. quart
SAE 10w30 synthetic oil.