About This File
Copy of the Instruction and Parts List for the 1970-72 snowmobile trailer offered by SnowCo that was branded as a Wheel Horse.
Model 9-0501 (Snow Co model 637 single)
Model 9-0511 (Snow Co model 863 double)
Double serial number 2219 - Build date 09/69 - Most likely considered a 1970 model