05017720-0110 Sullivan Palatek Coupling

The 05017720-0110 Sullivan-Palatek Drive Coupler is an OEM coupling for Sullivan-Palatek rotary screw air compressors and related industrial drive applications. The coupler transmits full operational torque between the diesel engine or electric motor output shaft and the compressor airend input shaft, absorbing the torsional vibration and pulse loads that develop during normal running while compensating for the angular and parallel shaft misalignment produced by thermal expansion and machine settling.

Sullivan-Palatek manufactures industrial compressed air equipment from their Michigan City, Indiana facility and supplies the construction, industrial, rental fleet, and mining markets with rotary screw portable and stationary compressor packages. The 05017720-0110 coupler is specified across the Sullivan-Palatek D-series portable diesel compressor lineup, including the D185 and D190 portable platforms used heavily in jobsite, pipeline, sandblasting, and rental fleet applications where compressor uptime drives revenue.

The coupler isolates the airend bearings, shaft seals, and downstream drivetrain components from the cyclical torsional spikes that diesel engines generate during normal combustion. Without proper coupler condition, these uncontrolled torsional loads pass directly into the airend assembly and accelerate wear on every rotating component downstream of the connection. Replacing the coupler at scheduled service intervals protects the substantial investment in the airend, motor or engine, and the assembled compressor package.

When to replace the 05017720-0110: Inspect this coupler at every scheduled Sullivan-Palatek service and watch for symptoms including elevated vibration during loaded operation, audible knocking or rumbling from the bell housing area at startup or under load, visible cracking or hardening of the rubber element, deformed or set element profile, and metallic debris around the coupling guard. A worn coupler that runs to full failure cascades into airend bearing damage that costs many times the price of a proactive coupler replacement.

Direct OEM Sullivan-Palatek replacement — not an aftermarket equivalent. Requires no modification to the engine, airend, or mounting hardware. Install per the Sullivan-Palatek service manual with verification of shaft alignment, key fit, and proper torque on the mounting hardware before returning the compressor to service. Available from Stark Industrial Products with same-day shipping on in-stock orders and 24/7 phone support at (903) 768-1111 to confirm compressor model fitment before you order.