| | Hydraulic rotary device d60221 SYH2.5-1600 |
| | | Hydraulic rotary device d120221 SYH4-5000 |
| | | Excavator hydraulic rotary device SYWH3A - 2000, independent research and development |
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| | Excavator hydraulic rotary device SYWH3B - 2
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| | | Hydraulic rotary device (excavator with) d12022 SYWH3A - 2500 |
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