Brand new gear box, for most rotary mower on the market, check its details through the attached drawing, it's metric size in the drawing.
Available shipping options: extra $200 if you want it by air express.
Manufacturer Parts number: 9.RC51.805.00
Gear Ratio 1:1.47
Input HP 24-40
Input Shaft 1-3/8" Z6
Output Shaft Spline 8/16" Z15
Net weight. 55 lbs.