40638 | Eaton / Dana-Spicer 24V 2-Speed Diff Lock Motor | New OEM (NOS)

40638 Eaton Dana 2-Speed Motor | 24V Electric Diff Lock | 113743 | Fasco 2807-508-023 | New Genuine NOS

Product Summary:
40638 (also listed as 040638) is a new old stock (NOS) genuine Eaton / Dana-Spicer 2-speed electric shift motor, designed to operate the 113743 differential lock system. Rated for 24V, this motor provides electric actuation for 2-speed axles and locking differentials in heavy-duty drivetrain systems. Cross-referenced with Fasco 2807-508-023, this is a direct OEM service part ready for installation.

Specs & Features:
• Part Number(s): 40638 / 040638
• Manufacturer: Eaton / Dana-Spicer
• Voltage: 24V
• Type: 2-Speed Differential Lock Electric Shift Motor
• Cross Reference:
 – Eaton Diff Lock: 113743
 – Fasco: 2807-508-023
• Condition: New Old Stock (NOS), Genuine OEM
• Function: Actuates the differential lock mechanism in 2-speed axles

What's Included:
• (1) Eaton / Dana 24V Electric Shift Motor – Part #40638

Fitment Notes:
• Designed for Eaton 2-speed differential lock systems
• Direct fit for applications using 113743 lock components
• 24V version – confirm voltage before ordering

Image Disclaimer:
Product photos may show actual item or similar equivalent. NOS parts may exhibit minor wear or discoloration from long-term storage.

Warranty Policy:
This NOS part is sold as-is with no warranty expressed or implied.

Location:
Ships from our warehouse in Ohio.
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