DEV
This clause is modified by 2 active class deviations
- 2026-O0041 — DFARS RFO Implementation (Part 25)
- 2026-O0028 — DFARS RFO Implementation (Part 12)
252.225-7062 Restriction on Acquisition of Large Medium-Speed Diesel Engines. 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) [88 FR 46903, July 20, 2023, as amended at 89 FR 46816, May 30, 2024]
RFO
Prescription superseded under the RFO
The prescription shown below is from the codified eCFR. The Revolutionary FAR Overhaul relocates this clause's prescription as follows:
-
212.301→212.205-70(prescriptive text also revised)
See the deviation memorandum for the current prescription authority.
View deviation: 2026-O0041 → · View deviation: 2026-O0028 →R-DFARS Prescription Source
This clause is prescribed in the R-DFARS by the following deviation:
-
2026-O0041
— DFARS RFO Implementation (Part 25)
(DFARS Part 225)
Add clause 252.225-7062
225.7004-7(b)
(b) Use the clause at 252.225-7062, Restriction on Acquisition of Large Medium-Speed Diesel Engines, in solicitations and contracts, including solicitations and contracts using FAR part 12 procedures for the acquisition of commercial products and commercial services, that exceed the simplified acquisition threshold and that require large medium-speed diesel engines for new construction of auxiliary ships using funds available for National Defense Sealift Fund programs or Shipbuilding and Conversion, Navy unless--
(1) An exception at 225.7004-3(d) applies; or
(2) A waiver has been granted.
(1) An exception at 225.7004-3(d) applies; or
(2) A waiver has been granted.
Prescription data sourced from eCFR as of 2026-06-10 03:16 UTC.
Cross-references within the prescription are not resolved automatically.
Regulatory Stack
The layers of regulation that govern this clause, from the FAR prescription through agency-specific supplements and any active deviations.
R-DFARS
R-DFARS Prescription
Per Deviation 2026-O0041 (DFARS Part 225)
2026-O0041: DFARS RFO Implementation (Part 25) — DFARS Part 225
DFARS
DFARS Supplement (eCFR)
⚠ May be superseded by RFO
225.7004-7(b)
(b) Use the clause at 252.225-7062, Restriction on Acquisition of Large Medium-Speed Diesel Engines, in solicitations and contracts, including solicitations and contracts using FAR part 12 procedures for the acquisition of commercial products and commercial services, that exceed the simplified acquisition threshold and that require large medium-speed diesel engines for new construction of auxiliary ships using funds available for National Defense Sealift Fund programs or Shipbuilding and Conversion, Navy unless--
(1) An exception at 225.7004-3(d) applies; or
(2) A waiver has been granted.
(1) An exception at 225.7004-3(d) applies; or
(2) A waiver has been granted.
Version History
Version history is sourced from the codified eCFR. Changes published only as class deviations or by the Revolutionary FAR Overhaul do not appear here until they are incorporated into the eCFR. For RFO-driven changes see the RFO Version tab and any active deviations cited above.
No version history available from eCFR.
Active Class Deviations
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