How does shipping work for orders on MRO Exchange?

Most orders ship within 1–2 business days via UPS. Larger equipment ships via freight carrier, and customers can use the shipping estimator on the product page for a location-specific quote. Local pickup is also available at the Fairfield, IL facility, typically ready within 4 hours.

What payment methods does MRO Exchange accept?

MRO Exchange accepts all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available, with payment due prior to shipment. Custom terms are available for established accounts.

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Giddings & Lewis Executive Control 501-04708-00 5 V DC

$2,499.99 USD

Sale Sold out

ConditionSurplus - Untested MPN501-04708 Stock #0226-00457

Photos reflect current condition. Items differing from description may be eligible for return or refund — see our condition guide.

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Estimated package weight: 5.0 lbs

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The Giddings & Lewis Executive Control 501-04708-00 is a 486-based PCB assembly that served as the central processing module in the company's CNC control systems. Marked Revision R4 (September 1994) with assembly number 503-26116-20 and serial C97693, this board integrated Intel 486 processor technology to manage axis motion, I/O operations, and program execution across compatible machining platforms. As the primary computational controller within the Giddings & Lewis architecture, it coordinated all supervisory functions essential to CNC operation. Intended for replacement or spare applications in mid-1990s era systems, cross-reference with OEM documentation and your specific machine configuration before installation. Supplied as a removed unit in untested condition.

Stock # 0226-457

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Frequently Asked Questions

Shipping & Handling

Most orders ship within 1–2 business days via UPS, but expedited same-day handling is available as an add-on to orders in cart. Larger equipment ships via freight carrier. Use the shipping estimator above for a location-specific quote. Local pickup is also available at our Fairfield, IL facility, typically ready within 4 hours.

Returns & Condition

All items are sold as-described based on the photos and condition listed. If an item arrives differing from its description, it may be eligible for return or refund. See our full condition guide for details on our grading terms.

Payment Options

We accept all major credit cards, PayPal, and Shop Pay. Purchase order and wire transfer payment is also available by selecting "Purchase Order / Wire Transfer" at checkout. Payment is due prior to shipment. Contact us for custom terms on established accounts. Tax exemptions are honored if proper documentation is provided.