Natural gas furnace Bryant model 90 I

FOR SALE OR TRADE Natural gas furnace Bryant model 90 I motor is starting to go. So i had to buy a new furnace. Dealer told me I would have to wait for 6 months before i could get another motor i paid ove $4,000 for this furnace i would like a fair offer for it. OR TRADE FOR A COUPLE OF WINCHESTER 94'S I WILL FIND OUT WHAT T NEW MOTOR COSTS THANKS FOR HELPING OUT AN OLD FELLA ON A FIXED PENSION