A06_-_Specifications_-_Batwing_Mower_0001.xlsx

This is a specifications document for a heavy-duty single flex-wing batwing mower required by Sherburne National Wildlife Refuge (NWR) in Zimmerman, Minnesota. The mower must meet specific dimensional and operational requirements, including a cutting width of 13'-15' with a maximum total width of 15', transport width not exceeding 10', and total length no greater than 17'2". The equipment must include a minimum of six tires (including at least two wing tires and two center tires), all foam-filled, and weigh no more than 6,700 pounds. The mower's power requirements specify a 60-250 horsepower aircraft engine rating with a blade tip speed of minimum 15,500 feet per minute at 1,000 RPM.

The specifications require numerous operational and safety features, including a tong jack, double main deck (.25" minimum thickness), double-row chain guarding on both front and rear, wing operational angle of minimum -20 degrees, transportation lock, self-leveling clevis hitch, and on-site orientation and machine hook-up for up to four hours. The equipment must include a 1,000 RPM PTO drive line with CV and over-running clutch, hydraulic system with minimum three circuits (one lift, one wing), and hard-duty stump jumpers/dishpans. A 10-year warranty is required for the gearbox and a 3-year minimum for hydraulics. The solicitation includes delivery to the Sherburne NWR location with no requirement for the station to lift, move, or transport equipment upon delivery. An option for rear LED lights and acceptance of one trade-in vehicle are included. Contact William Strong at 763-244-0205 for questions.