Yantai Rocka quick connector

Quick couplings for excavators, also known as quick-change couplings, quick couplings. The quick connector can quickly install and switch various configuration components on the excavator (excavator, opener, breaker, hydraulic shear, etc.), expand the scope of use of the excavator, save time and improve work efficiency.

• -safest.
  -Excellent durability.
  -The most suitable height.
  -Reduce weight.
  -Excellent design.

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parameter	unit	SK-MINI	SK-02	SK-04	SK-06	SK-08	SK-08S	SK-10	SK-17
Length L	mm	300~450	520~542	581~610	760	920~955	950~1000	965~1100	1005~1150
Width B	mm	150~250	260~266	265~283	351~454	450~483	445~493	543~572	602~666
Height G	mm	225~270	312	318	400	512	512~540	585	560~615
Forearm open gear A	mm	82~180	155~172	181~205	230~317	290~345	300~350	345~425	380~480
Axis center D	mm	95~220	220~275	290~350	350~400	430~480	450~505	485~530	520~630
Shaft diameter	mm	20~45	40~45	45~55	50~70	70~90	90	90~100	100~110
Cylinder telescopic distance E	mm	95-200	200~330	300~350	340~440	420~510	450~530	460~560	500~650
Distance between upper and lower axis F	mm	170~190	200~210	205~220	240~255	300	320	350~370	370~380
weight	kg	30~40	50~75	80~100	170~210	350~390	370~410	410~520	550~750
Work pressure	Kgf/cm2	30~400	30~400	30~400	30~400	30~400	30~400	30~400	30~400
Necessary flow	l	10~20	10~20	10~20	10~20	10~20	10~20	10~20	10~20
Applicable tonnage of excavator	ton	1~4	4~6	6~8	12~16	18~25	25~26	26~30	30~40







* The above parameters are changed with product updates.