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B. Replaceable bushings in the swing tower to boom base mounting pins. <br /> C. Boom width maximum of 12 inches <br /> D. Mechanical quick coupler <br /> E. Extendible exterior dipper stick <br /> F. Extendible dipper stick can be pinned to prevent movement <br /> G. Internal bolt-on, replaceable wear strip for extendible dipper stick <br /> H. 900-pound front-mounted counterweight for extend-a-hoe <br /> I. Stabilizers fully retractable within the width of the tires <br /> J. Integrated extend-a-hoe hydraulic coupler with in-cab controls <br /> <br />3. The extend-a-hoe bucket shall be heavy duty. <br /> <br />4. The extend-a-hoe bucket also shall have the following features: <br /> <br /> A. Will fit older model extend-a-hoe <br /> B. 24" trenching bucket <br /> C. Weld-on teeth <br /> <br /> HYDRAULICS <br /> <br />1. The extend-a-hoe backhoe hydraulics shall be open center and allow for smooth <br /> loader and extend-a-hoe operation. <br /> <br />2. The loader extend-a-hoe hydraulics also shall include: <br /> <br /> A. Tandem section, cast iron gear pump <br /> B. Allows operation of optional hand-held hydraulic tools <br /> C. Anti-cavitation valves in the dipper and loader circuit <br /> D. Pilot-operated check valves for boom, dipper and stabilizers <br /> E. Anti-rebound valve for extend-a-hoe swing precision <br /> <br /> TRACTOR CAB <br /> <br /> 1. The extend-a-hoe loader shall have a cab with two doors. <br /> <br />2. The extend-a-hoe loader cab also shall have the following for loader operation: <br /> <br /> A. Minimum of four isolation mounts <br /> B. Insulation for maximum temperature and sound control <br /> <br /> <br />