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FAR and DFARS › DFARS Part 252: Solicitation Provisions and Contract Clauses › Subpart 252.2

DFARS 252.225-7062 Restriction on Acquisition of Large Medium-Speed Diesel Engines.

The codified text (eCFR, as of 2026-10-02). Under the Revolutionary FAR Overhaul ↗, agencies follow class deviations with new text for many parts while the formal rules go through the Federal Register: check the solicitation and your contract's clauses, which rule.

In plain English

This clause restricts the delivery of large medium-speed diesel engines under the contract to those manufactured in the United States, Australia, Canada, New Zealand, or the United Kingdom. It also requires the contractor to include the substance of this clause in certain subcontracts for auxiliary ship new construction. This matters because it limits where these engines can be sourced and imposes flow-down obligations.

Applies to: Contractors delivering large medium-speed diesel engines under this contract and their subcontractors for auxiliary ship new construction.

What it requires

  • Deliver large medium-speed diesel engines manufactured in the United States, Australia, Canada, New Zealand, or the United Kingdom.
  • Include the substance of this clause, including paragraph (c), in subcontracts that exceed the simplified acquisition threshold, including subcontracts for commercial products and commercial services, that require large medium-speed diesel engines for new construction of auxiliary ships.

Key terms: Large medium-speed diesel engines · Simplified acquisition threshold · Auxiliary ships · Commercial products · Commercial services

Written by AI from this section's text. A guide, not legal advice: the text below rules.

The text

As prescribed in 225.7004-7(b), use the following clause:

Restriction on Acquisition of Large Medium-Speed Diesel Engines (Jul 2023)

(a) Definition. As used in this clause—

Large medium-speed diesel engines means diesel engines whose revolutions per minute (RPM) fall between 300 and 1500 RPM with a displacement greater than 1500 cubic inches per cylinder.

(b) Restriction. As required by 10 U.S.C. 4864, the Contractor shall deliver under this contract large medium-speed diesel engines manufactured in the United States, Australia, Canada, New Zealand, or the United Kingdom.

(c) Subcontracts. The Contractor shall include the substance of this clause, including this paragraph (c), in subcontracts that exceed the simplified acquisition threshold, including subcontracts for commercial products and commercial services, that require large medium-speed diesel engines for new construction of auxiliary ships.

(End of clause)

Sections it refers to

Sections that refer to it

  • 212.301 Solicitation provisions and contract clauses for the acquisition of commercial products and commercial services.
  • 225.7004-7 Contract clauses.

← 252.225-7061 Restriction on the Acquisition of Personal Protective Equipment and Certain Other Items from Non-Allied Foreign Nations. · 252.225-7063 Restriction on Acquisition of Components of T-AO 205 and T-ARC Class Vessels. →

Rule changes for DFARS Part 252

Source: eCFR, 48 CFR chapters 1 and 2 (GPO GovInfo bulk data) ↗. Plain words for the terms: glossary.

DFARS 252.225-7062 Restriction on Acquisition of Large Medium-Speed Diesel Engines · SpendQuery