V-Belt. Drive Belt used on the following models: 1160 Type 1 28-203 28-248 28-248F 28-248F Type 1 28-248G Type 1 28-248 Type 1 28-280 28-280 Type 1 28-283 28-283 Type 1 28-475X 28-475X Type 1 31-550 Type 2 31-550 Type 3 31-550 Type 4 31-730 31-731 31-731A 31-731 Type 1 31-371B 31-731B Type 1 31-731C 31-731C Type 1 31-731 Type 1 34-305 Type 1 34-307 34-307 Type 1 37-22037-220 Type 1 50-121 34-305 31-552 Type 1