WI-trempealeau NWR-side shift mower

The Department of the Interior Fish and Wildlife Service seeks two rear-mounted offset flail mowers—one with 225 cm (89 inch) working width and one with 155 cm (61 inch) working width—with quotes due August 13, 2026. This is a Women-Owned Small Business set-aside under NAICS 333924, with a size standard of 900 employees.

Delivery is required fully assembled by December 1, 2027: the 225 cm mower to Trempealeau National Wildlife Refuge, W28488 Refuge Rd, Trempealeau, Wisconsin, and the 155 cm mower to Minnesota Valley National Wildlife Refuge, 15850 Carver Highlands Dr, Carver, Minnesota. The 225 cm mower must be compatible with a John Deere 6M 125 tractor or equivalent; the 155 cm mower must be compatible with John Deere 4066R and/or 4075R tractors or equivalent. Both mowers require Category 2 rear 3-point linkage, 540 rpm PTO with freewheel clutch, dual hydraulic circuits, triple helical flail rotors with internal counter cutters, hydraulic side-shift of minimum 44 inches, vertical tilt range of +90 to −50 degrees, floating function, and anti-shock safety breakaway systems with hydraulic assistance. The 225 cm mower must mulch grass and brush up to 5 cm diameter with 90–160 HP tractor range and minimum 1,250 kg base weight; the 155 cm mower requires 50–65 HP and minimum 1,320 lbs. Vendors must provide complete installation including pre-delivery inspection, mounting, PTO shaft installation, hydraulic connection and testing, and operator orientation. A service dealer within 40 miles must maintain parts availability within 48 hours for normal wear items.

A trade-in (Tiger Line RBF-14C, Model 2003) is included. Award is firm fixed-price based on best value trade-offs, evaluated on technical capability, lead time, past performance via CPARS, and price. Quotations must be submitted as a single PDF via email to mwashington@ios.doi.gov, include company name and SAM.gov UEI, certify Buy American compliance, and be signed on SF 1449. Invoicing flows through the Department of Treasury's Invoice Processing Platform.