NIGP 55967: Shock Absorbers, Rail Vehicles

NIGP 55967 Shock Absorbers, Rail Vehicles is an Item code encompassing overhaul and maintenance of suspension and damping systems on transit rail equipment. State and local governments procure these services primarily through transit authorities managing light-rail and streetcar fleets, where shock absorber and suspension work occurs as part of scheduled truck and bogie overhauls at manufacturer-specified intervals. The work involves disassembly, inspection, repair or replacement of absorbers and related hydraulic components, and reassembly to original equipment manufacturer specifications. Issuing bodies are typically regional transit authorities operating modern rail assets; the competitive base remains narrow, concentrated among specialized rail-maintenance vendors with OEM certification and heavy equipment handling capability.

Charlotte Area Transit System posted RFP 26920272117 on August 18, 2026, seeking proposals for CATS IV Streetcar Truck Overhauls due October 20, 2026, which encompasses shock absorber, hydraulic system, and braking system overhauls on Siemens-manufactured trucks at 15-year / 270,000-mile maintenance intervals, with low-floor axles and wheelsets serviced at 300,000-mile intervals and journal bearing equipment at 6-year / 310,000-mile intervals. The solicitation covers North Carolina. No additional recent opportunities under this code appear in the source.