Power: HONDA 9.0HP
Walking Speed: 0-4000m/h
Drive Method: Hydraulic
Walking Method: Return
Roller Size:
∮450x600mm (Forward)
∮450x600mm (Back)
Exciting Force: 20KN
Exciting Frequency: 70Hz
Vibrating Clutch Method: Manual
Climbing Capacity: 25%
Weight: 450Kg

There is still some other choices for you:
power: HONDA 5.5HP
Vibrating Clutch Method: Manual or auto-matic
Drum: single or double