# SAM #SPRDL1-27-R-A029

Market research for Dana HMMWV driving axle differential

**Buyer:** DLA Land and Maritime Warren
**Posted:** October 19, 2026
**Respond By:** November 03, 2026
**Identifier:** SPRDL1-27-R-A029
**NAICS:** 336350

DLA Land Warren is seeking market research information on a Dana driving axle differential for military vehicles.
- **Government buyer:** Defense Logistics Agency (DLA), Land Warren.
- **OEM:** **Dana Corporation** (CAGE 63ZH0); the requirement is restricted to Dana.
- **Product:** Dana driving axle differential with built-in cooler for HMMWVs and heavy-payload military trucks.
  - Military part number: 12529095 (CAGE 19207); NSN: 2520-01-574-4828.
  - Estimated quantity: 27 to 675 units over a five-year contract.
- **Notable requirements:** The Government does not have rights to the technical data package or specifications. Prospective sources must meet Source Approval Program requirements.
- This is a market research request for capability information, not a request for proposals.

### Description

<p>Item Name:&nbsp; Differential, Driving Axle</p>

<p>NSN:&nbsp; 2520-01-574-4828</p>

<p>Military (CAGE: 19207) Part Number:&nbsp; 12529095 (Restricted to Dana Corporation CAGE: 63ZH0)</p>

<p>Estimated Quantity:&nbsp; Minimum 27 / Maximum 675 (5 Year Long-Term Contract)</p>

<p>End Item:&nbsp;&nbsp;High Mobility Multi-Purpose Wheeled Vehicle (HMMWV)</p>

<p>Response Date:&nbsp; 3 November 2026</p>

<p>Requirements Description:&nbsp;&nbsp;This Driving Differential is a heavy-duty, military-grade rear differential with a built-in cooler designed for the HMMWV and heavy-payload military trucks. Its primary purpose is to split the engine&#39;s power between the rear wheels, allowing them to spin at different speeds so the vehicle can turn smoothly without skidding. It is built to handle extreme off-road terrain, heavy towing, and intense heat without breaking breaking down.</p>

<p></p>

<p>The Government does not have data rights to the technical data package (TDP) or specifications.</p>

<p>This survey is published in compliance with FAR Part 10, Market Research.&nbsp; This request for capability information does not constitute a request for proposals.&nbsp; Submission of any information in response to this market research is purely voluntary.&nbsp; The Government assumes no financial responsibilty for any costs incurred in responding or in any subsequent exchange of information.</p>

<p></p>

<p>Contractors interested in becoming a source of supply need to meet the requirements of the Source Approval Program at their own expense.&nbsp; Specific information and point of contract for the Source Approval Program is available at https://tacom.army.mil/ and select &#39;Ombudsman&#39; from the menu.</p>

<p></p>

<p></p>

[View original listing](https://sam.gov/opp/3e3f810d3b5a4c78b0bad710a2a90748/view)