Unit was inspected and was found to be used and in good condition. The shafts of the unit will turn freely and smooth. 
Wittenstein Alpha SP140W- MF1-5-1G1-25 High Speed Gear Reducer Used

Specs:

Optimized acceleration torque: 755
Max acceleration torque: 5841
Max. output torque: 3186
Emergency stop torque: 11063
Normal input speed: 2100
Max input speed: 4000
Mean no load running torque: 42
Ratio: 5:1
 
Q1:1 AFH 6830176
rl fdk 80926208