+ We stock a large inventory of General Dynamics-ward Leonard industrial automation systems and parts.
+ We repair, service and calibrate most General Dynamics-ward Leonard models of equipment.
+ We ship General Dynamics-ward Leonard replacement parts worldwide, with expedited shipping for your urgent General Dynamics-ward Leonard requirements


For immediate assistance click here for quick online help
or contact our Automation & Controls team:

Mr. Ryan Fitzgerald
Director, Industrial Automation & Controls Service Team
[email protected]
(212) 772-6992 ext. 704


Our staff at York Scientific is dedicated to help you succeed with all your mission-critical General Dynamics-ward Leonard Industrial Automation equipment needs.

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Popular Industrial Automation Products:

Winter 2024 & 2025 Q1 Developments in Industrial Automation - expanded product offering and diagnostic and repair services at YORK

Winter 2025 Update: Since December 2022 the supply chain strictures have fortunately eased, with less stress on product delivery due dates. Our teams at YORK have been able to ramp up our service response times with expedited shipment schedules back to normal, providing replacement parts and services following normal response times. Our departments are now working on near-normal production levels and our delivery and service schedules back to regular operation levels. In addition to the General Dynamics-ward Leonard 6105-01-161-6630 parts and service support, we have been able to add new lines of product and service:

Expanded Service and Repair Support for New Product Lines: We offer full support for discontinued Marathon products, including obsoleted and phased-out Dayton parts and systems, as well as the all-new for 2025 Qmc-Technologies,-Inc. product line-up. Starting Q1 2025 YORK is pleased to announce additional repair and rebuild services for the automation products made by industrial controls leader Marathon such as the 405TSTDS8551AP spares. Related to this we have added to our service line-up the 4THY5 manufactured by Dayton and we are pleased to be able to service most Dayton systems and parts. Due to increased demand we now feature 444133 by Manufacturer Qmc-Technologies,-Inc. as well.

York Scientific's New & Featured Automation Replacement Parts: Starting early January 2025 York has Marathon Brand 5KC49ZN2539AY in stock, original and quality replacement parts available for immediate dispatch to meet your requirement for spare replacements. Spare units by Hitran such as 440kva equipment made by Hitran have been added to our featured items. As a tip, you can find the entire Hitran products line-up in our inventory by simply searching for "Hitran" in the search box. Additionally we have now also available 56T34G200A made by Marathon as well as the popular 3HAC340312PS90657PLSS4404 original spares produced by Abb

Servo Motors, Spindles, and Electric Motors Rewinding and Rebuilding. We have expanded capacity at our service centers to do complete overhauls of industrial electric motors and spindles. Refurbishment processes are held to stringent QA standards to adhere to or exceed manufacturer's specifications. Overhauls include motor bearing replacement, stator rewinding, and rebalancing. Additional overhaul and rebuilding capabilities of products such as the 387PA305 by Emerson and 440kva spares by Hitran are also now also our York Scientific's line-up of service offerings. This also includes the original 50701122A Spares made by industrial controls and automation manufacturer Minarik.