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Accepting bidstenderJapan

Caterpillar 3512C Diesel Engine Inspections, YT-807 Heat Exchanger Overhaul (This is a sole source requirement and posting this solicitation to SAM.gov is information purpose only)

Issued by DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSUP · NAVSUP GLOBAL LOGISTICS SUPPORT · NAVSUP FLC YOKOSUKA · NAVSUP FLT LOG CTR YOKOSUKA · via SAM.gov — US federal contract opportunities

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Published
26 Oct 2026
Closes
30 Oct 2026, 06:00 UTC
Reference
N6264927QB003
Location
JP-14, Japan
Sector
Manufacturing & Supply

At a glance

DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSUP · NAVSUP GLOBAL LOGISTICS SUPPORT · NAVSUP FLC YOKOSUKA · NAVSUP FLT LOG CTR YOKOSUKA in Japan has published a tender in manufacturing & supply: “Caterpillar 3512C Diesel Engine Inspections, YT-807 Heat Exchanger Overhaul (This is a sole source requirement and posting this solicitation to SAM.gov is information purpose only)”. Submissions close on 30 October 2026, 3 days from today. Quote reference N6264927QB003 in any correspondence with the buyer. FreeTender has recorded 39 notices from this buyer since 2026, 4 of them currently open. There are 18 open manufacturing & supply notices in Japan on FreeTender. Bids are submitted to the buyer through SAM.gov — US federal contract opportunities, not through FreeTender.

Details

DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSUP · NAVSUP GLOBAL LOGISTICS SUPPORT · NAVSUP FLC YOKOSUKA · NAVSUP FLT LOG CTR YOKOSUKA is soliciting Caterpillar 3512C Diesel Engine Inspections, YT-807 Heat Exchanger Overhaul (This is a sole source requirement and posting this solicitation to SAM.gov is information purpose only). Solicitation number N6264927QB003. Classified under NAICS 336611 — Ship Building and Repairing. Product/service code J020 — MAINT-REP OF SHIP & MARINE EQ. Place of performance: JP-14, USA. Responses are due by 30 October 2026 06:00 UTC. Posted on SAM.gov, the US federal contract opportunities system; registration is required to bid.

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.

Supporting Vessels: YT-805, YT-806, and YT-807

See the STATEMENT OF WORK (SOW) in N6264927QB003. Note This is a sole source requirement and posting this solicitation to SAM.gov is information purpose only. This is a restricted action for source who is duly authorized to operate and do business in JAPAN. Quoter may be required to submit additional documentation demonstrating its ability to perform in Japan prior to award. Quotation for this solicitation must be on an "ALL or NONE" basis. Partial or incomplete quotation are ineligible for award.

Context for bidders

We hold 39 notices from DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSUP · NAVSUP GLOBAL LOGISTICS SUPPORT · NAVSUP FLC YOKOSUKA · NAVSUP FLT LOG CTR YOKOSUKA, going back to August 2026 — 4 of them still open. They buy mostly in Manufacturing & Supply, Real Estate & Facilities and Financial & Professional Services. There are 18 open Manufacturing & Supply tenders in Japan. This one closes in 3 days.

Before you bid on this tender

A quick checklist to help you decide whether to bid and prepare a compliant submission for this manufacturing & supply opportunity. Always verify the details on the official source.

  • Confirm the exact closing date and time (and time zone) on the official portal — deadlines are strict and can be revised by a corrigendum.
  • Read the full notice and every attached document, including the scope, specifications and any bill of quantities or terms of reference.
  • Check the eligibility criteria — prior similar experience, annual turnover, certifications and registrations — and make sure you qualify before investing effort.
  • Prepare any earnest-money deposit (EMD) or bid security and the required formats early; missing or wrongly-formatted documents are a common cause of rejection.
  • Note how bids must be submitted (online or physical), in what format, and whether a digital signature or portal registration is required.
  • Watch for corrigenda and clarifications right up to the deadline — requirements and dates can change.
Common bidding mistakes to avoid →Writing a winning proposal

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