From the notice

Due to compatibility, standardization, and lifecycle support considerations, only CATERPILLAR brand name here products or services are acceptable for this requirement. Substitutions will not be considered. Only authorized vendors of OEM, CATERPILLAR may provide parts, labor, or services under this requirement. To expedite the evaluation and award process, offerors are highly encouraged to submit proof of authorized source status, such as a valid Letter of Authorization (LOA) from the Original Equipment Manufacturer (OEM CATERPILLAR), with their initial quotation. If not submitted with the initial quotation, the Government reserves the right to request it during evaluations. The apparent successful offeror must provide a valid LOA prior to contract award. Authorized status will be evaluated strictly as a matter of contractor responsibility in accordance with FAR Subpart 9.1. Failure to provide a valid LOA upon request prior to award will result in a determination of non-responsibility, and the Government will proceed to consider the next most advantageous offer for contract award. This is a combined synopsis/solicitation for commercial products and commercial services prepared in accordance with the format in FAR Subpart 12.6, as supplemented with additional information in this notice. This announcement constitutes the only solicitation; quotations are being requested and a written solicitation will not be issued. This solicitation is issued as a Request for Quotation (RFQ) Number 52000QR270000209. This procurement will be processed in accordance with FAR Part 12.

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