Troy Bilt V-Belt part# 1751601 is a 3/8" wide V style belt. This belt is used to power the wheel drive on a select series of snowblowers. We have listed some of the models here, but please refer to your owners manual. Models; 42010, 42012, 42033, 42034, 42036, 42039, 42040, 42041, 42051, 42052, and 826R.