# DIBBS #SPE7L5-26-T-5583

DLA Solicitation for Engine Crankshafts for M939 5-ton Trucks

**Posted:** September 21, 2026
**Respond By:** October 01, 2026
**Identifier:** SPE7L5-26-T-5583
**NAICS:** 336310, 336992

This opportunity from the Defense Logistics Agency (DLA) Land and Maritime, Land Supplier Operations Engines office seeks engine crankshafts for military vehicles.
- Government Buyer:
  - Defense Logistics Agency (DLA)
  - DLA Land and Maritime
  - Land Supplier Operations Engines
- OEMs and Vendors:
  - Cummins Inc. (part number 3918986)
  - Oshkosh Defense LLC (part number 2DR679)
- Products Requested:
  - Engine crankshaft (NSN 2815-01-271-5096)
    - Quantity: 19 units
    - Includes helical gear
    - Critical application item for M939 5-ton series trucks
- Unique/Notable Requirements:
  - Only Cummins Inc. and Oshkosh Defense LLC are approved manufacturers
  - Packaging and marking must comply with MIL-STD-129 and ASTM D3951 standards
  - Delivery required within 231 days from contract award, FOB origin to DLA Distribution Red River, Texarkana, TX
  - Not a small business set-aside
  - No additional technical requirements beyond approved sources

### Description

CRANKSHAFT, ENGINE (QTY: 19, NSN: 2815-01-271-5096, Purchase Request: 7018377530)
  Approved Sources:
  - CAGE: 15434, Part No: 3918986, Company: CUMMINS INC.
  - CAGE: 75Q65, Part No: 2DR679, Company: OSHKOSH DEFENSE LLC
 

[View original listing](https://www.dibbs.bsm.dla.mil/rfq/rfqrec.aspx?sn=SPE7L526T5583)
