OK with the engine OFF can you turn the blades by hand?
If the blade spindles are not frozen stalling the engine check the wiring to the PTO interlock switch. Look for crushed, burnt or chaffed wires. Any place that it may be grounding out.
Rick
August 2006
No my tractor does not have an electric pto.
William Heese
August 2006
Does your tractor have an electric pto clutch?
Rick
August 2006
I can answer this question...
How do i fix my Craftsman lawn tractor model # 917.271634?