| Model | PW-401CMS, PW-401CAS | PW-501CMS, PW-501CAS | 
| Slide Table Type | CMS: Manual / CAS: Automatic | CMS: Manual / CAS: Automatic | 
| Welding Head Operation | Pneumatic | Pneumatic | 
| H.F Output Power | 4 KW | 5 KW | 
| Input Power | 6.5 KVA | 8.5 KVA | 
| Oscillation Tube | E3062 CANON JAPAN | 7T85RB CANON JAPAN | 
| Oscillation Frequency | 40.68 MHz | 27.12 MHz | 
| Power Supply | AC 220/380 /400/415 /440V 3Dia. Voltage to be arranged at instruction. | AC 220/380 /400/415 /440V 3Dia. Voltage to be arranged at instruction. | 
| Rectifier | Silicon diode | Silicon diode | 
| Press Stroke | 150mm | 150mm | 
| Upper Plate Size | 250 x 350mm | 350 x 450mm | 
| Lower Plate Size | 300 x 400mm | 400 x 500mm |