Rhino FM10/FM15 batwing mower gearbox.  Pictured unit is Rhino Part # 65504AL LH/center but can be converted to 65504AR using same parts.  1,000 or 540 RPM capable.  See photo/drawing of current gearbox configuration.  Rebuilt with Rhino OEM parts: bearings, seals, gaskets, etc.
 
A second complete gearbox parts are in stock and will be assembled to your requirements.  It will have new gears, new bearings, and seals.  540 RPM or 1000 RPM.  LH/center or RH rotation. 
 
Location: Conroe, TX, USA
Shipping available: 110 lbs each