The model # is GPS..... I can't tell by the serial # what the capacity is. It can be a 4000#,5000# or 6000# capacity. A 4 or 5000# truck would have a 16" carriage and a 6000# truck would have a 20" carriage and bigger drive tires. The year is 1986 and should have a Waukesha engine.
If you call a Clark dealer with the complete serial # they would be able to tell you what the full model # is.
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