15 Foot offset flex arm for Bat Wing mowers

The Army seeks a 15‑foot offset flex arm rotary cutter for “Bat Wing” mowers, requiring heavy‑duty tires, robust pivot hardware, hydraulic and mechanical systems, and specific travel dimensions. The contractor must supply the complete assembly with optional hydraulic selector valve kit and safety lighting, meeting stringent load, power, and dimensional specifications. • 15‑ft offset flex arm with 11‑by‑15, 12‑ply tires (≥4,000 lb capacity) and castor pivot shaft ≥2.5 in. • Six‑bolt hubs (≥6,000 lb capacity), spring‑steel tension bushings, induction‑hardened pins, bolt‑in replaceable axles. • Hydraulic system: minimum four circuits, independent wing lift, 3.5 × 36 in. welded cylinder, optional six‑port selector valve. • Power requirement: ≥200 hp at 1,000 rpm; compatible with 540 rpm tractor power. • Travel width limits: max 70 in left, 52 in right (total 121 in); with stop block 55 in left, 66 in right. • Includes safety lighting kit and must conform to specified dimensions for transport and road clearance.