A06_-_Specifications_-_Batwing_Mower.xlsx

This file contains technical specifications for a heavy-duty single flex-wing batwing mower required by Sherburne National Wildlife Refuge (Sherburne NWR) under solicitation 140FS226Q0094. The Department of the Interior Fish and Wildlife Service is procuring one batwing mower with one trade-in unit to be delivered to the refuge located at 17076 293rd Avenue, Zimmerman, Minnesota 56359. The mower must meet specific dimensional and operational requirements, including a cutting width of 13'-15' with maximum transport width of 10' and total length not exceeding 17'2". The equipment must be capable of supporting foam-filled tires (minimum six total, with minimum two wing tires and two center tires), accommodate a 60-250 horsepower aircraft engine, and achieve a minimum blade tip speed of 15,500 feet per minute at 1000 RPM.

The specification document establishes mandatory equipment features including a double main deck (.25" minimum thickness), 6" minimum blade overlap, double row chain guarding on front and rear, self-leveling clevis hitch, tong jack, wing operational angle minimum of -20 degrees, transportation lock, and HD stump jumpers/dishpans. The mower must include a 3-circuit hydraulic system (1 lift, 1 wing), 1000 RPM PTO drive with CV and over-running clutch, SMV marking, and driveline support. Additional requirements specify a 10-year gear box warranty, 3-year minimum hydraulics warranty, on-site orientation and machine hook-up (up to 4 hours), and on-ground delivery that does not require station personnel to lift, move, or transport the equipment. LED rear lights are optional. Station contact is William Strong at 763-244-0205.