NIGP 55830: Locomotives, Diesel

NIGP 55830 Locomotives, Diesel is an Item code covering diesel-powered rail vehicles and diesel multiple unit (DMU) commuter rail equipment, along with major subsystem overhaul, modernization, and maintenance work on existing diesel-electric rail fleets. State and local transit authorities and transportation departments procure complete new commuter rail vehicle sets, individual subsystems (such as HVAC units for existing fleets), spare parts, training, and lifecycle support under this code. The scope spans initial procurement of production units through performance testing, delivery, spare-parts packages, technical manuals, diagnostic equipment, operator training, and multi-year warranties.

The Utah Transit Authority (UTA) and Utah Department of Transportation (UDOT) are the primary recent buyers, each issuing major RFPs in early 2026. UTA posted an RFP in April 2026 (solicitation 2604043TD, response due May 25, 2026) for overhaul and modernization of HVAC units on 38 Bombardier Bilevel commuter rail vehicles, with pilot installations on two vehicle types serving as approval gates and a contract term through December 31, 2030. UDOT and UTA jointly posted an RFP in February 2026 (solicitation UDOT250192MP1, response due February 17, 2026) for design, manufacture, testing, and delivery of 10 new diesel multiple unit commuter rail vehicles with options for up to 40 additional units, using a cooperative-procurement structure that allows other public transit providers nationwide to purchase under the resulting single-award contract. The UDOT/UTA DMU procurement carries Federal Transit Administration DBE requirements under 49 CFR Part 26 and Buy America certification mandates, with Notice to Proceed 1 scheduled for June 22, 2026 and a second tranche anticipated twelve months later. Both solicitations employ best-value evaluation frameworks weighting technical factors significantly above price.