Posted on November 12, 2024November 14, 2024 by adminHC134 Head Parts ListReturn to Parts / ServiceParts list for the 1-3/4" High Cycle Concrete Vibrator. Model HC134. 1.75" O.D. by 22 " long. Loading... Taking too long? Reload document | Open in new tab See also: Switch & Cable, Troubleshooting, Safety & Proper Use and Electrical Safety.