# SAM #N6264927QB003

Caterpillar Engine Inspections, Heat Exchanger Overhaul, and OEM Parts for Navy Yard Tugs

**Buyer:** NAVSUP Fleet Logistics Center Yokosuka
**Posted:** October 26, 2026
**Respond By:** October 30, 2026
**Identifier:** N6264927QB003
**NAICS:** 336611, 811310, 333618

NAVSUP Fleet Logistics Center Yokosuka is seeking Caterpillar-certified inspection, overhaul, and parts support for three U.S. Navy yard tugs.
- Government buyer: U.S. Department of the Navy, NAVSUP Fleet Logistics Center Yokosuka, supporting COMFLEACT Yokosuka Port Operations; point of contact: Masanori Rokutan.
- **OEM: Caterpillar** — requested work uses Caterpillar-certified technicians and genuine Caterpillar parts.
- Work covers Caterpillar 3512C port and starboard marine propulsion engine inspections on YT-805 and YT-807, including associated seal replacements.
- On YT-807, remove the port and starboard heat exchangers, install Government-furnished new exchangers, overhaul the removed units, and return the overhauled units as spare stock.
- Genuine Caterpillar parts and spares are also requested for YT-805, YT-806, and YT-807. The listed parts and quantities are included below.
- Notable requirements: inspection reports, overhaul inspection and pressure-test documentation, OEM authenticity, sources authorized to operate and do business in Japan, and an all-or-none quotation. The priced schedule lists one firm-fixed-price job.

### Description

<p>The purpose of this contract is to procure Caterpillar OEM certified technical labor to perform comprehensive Diesel Engine Inspections (DEI) on US Navy Yard Tugs (YT-805 and YT-807) Caterpillar 3512C Port/Starboard marine propulsion engines, perform Port and Starboard heat exchanger overhaul for YT-807, and to acquire authorized Caterpillar replacement parts, maintenance hardware, and spares for Yard Tugs YT-805, YT-806, and YT-807.<br />
Supporting Vessels: YT-805, YT-806, and YT-807</p>

<p>See the&nbsp;STATEMENT OF WORK (SOW) in N6264927QB003.</p>

<p><u>Note</u></p>

<p>This is a sole source requirement and posting this solicitation to SAM.gov is information purpose only.<br />
This is a restricted action for source who is duly authorized to operate and do business in JAPAN.<br />
Quoter may be required to submit additional documentation demonstrating its ability to perform in Japan prior to<br />
award.<br />
Quotation for this solicitation must be on an &quot;ALL or NONE&quot; basis. Partial or incomplete quotation are<br />
ineligible for award.</p>

[View original listing](https://sam.gov/opp/d1186972a7594c4e8cec641a20d9d0a7/view)