Excavator Quick Coupler Manufacturers RQH-04 for 7-8T Excavator

Quick couplers (also called quick hitches) are used with constructionmachines to allow the rapid change of buckets and attachments on themachine. They remove the need to use hammers to manually drive out andinsert the mounting pins for attachments. They can be used on excavator,mini excavator, backhoe loader and so on.

We can supply four type: hydraulic type, Double lock type,Tilting type andMechanical type.

Hydraulic Quick Hitch Information

Advantages

1. Superior power and high efficiency.

2. Maximizing productivity and reliability.

3. The strongest durability one the same class prolongs its life.

4. Simple & easy maintenance, less downtime.

1.Convenient and Efficient:

   RAY quick coupler can be used on excavator to exchange accessories (such as breaker, ripper, compactor,           grapple, shear, etc)

   easily and quickly, enlarging the use scope of excavator. Installing one quick hitch to

   the excavator takes only 1 minute, enhancing the working efficiency of excavator.

2.Double Safety System

   Check valve Protection System: each cylinder installed safety check valve ensures that quick hitch coupler

   can work when the circuit and oil circuit is cut off.

   Safety Pin Protection System: security protection is customized for each excavator according to the different

   measurement. In the case of the failure of cylinder, quick hitch can work regularly. 

3.One Body Design

   Increasing durability 10 times more than the couplers with welded parts

Hydraulic Quick Hitch Specification 

Model	Unit	RQH-MINI	RQH-02	RQH-04	RQH-06	RQH-08	RQH-10	RQH-17	RQH-20
Suitable Carrier	T	<4	4-6	7-10	11-18	19-24	25-32	35-45	46-80
Length	mm	306-475	534-545	600	765	924-944	983-1050	1006-1173	1215-1425
Height	mm	230-268	307	310	388	492	574	558-610	622-780
Width	mm	175-242	258-263	270-280	353-436	449-483	543-568	606-663	640-740
Pin to pin distance	mm	86-200	230-270	290-360	380-420	460-480	473-540	550-620	630-760
Arm width	mm	86-185	155-170	180-200	232-315	306-340	375-411	416-469	472-560
Equipping Distance	mm	90-140	208-318	340-450	340-486	256-390	413-590	520-590	570-780
Pin diameter	mm	25-40	45-50	50	50-70	70-80	80-90	90-120	120-150
Weight	kg	60	100	110	250	500	650	850	1150
Working pressure	Kgf/cm2	40-380	40-380	40-380	40-380	40-380	40-380	40-380	40-380
Oil flow	l/m	10-20	10-20	10-20	10-20	10-20	10-20	10-20	10-20

Suit for Following Excavator

Excavator Brand	Model
CAT	307,E70B,308CCR/B/BSR,311,312,E110B, E120B,313C,M313C
DOOSAN	S75-V/SDX75, S130LC, S140LC, DX140
HITACHI	EX75/90/80U, AX90, UHO43, EX100/120/135/130, UHO63, ZX75US, ZX110/120/135/160
HYUNDAI	R95/110/120/130/140
IHI	80NX, IS75/75F/120
JCB	4CX
KOBLECO	SK60/80MSR/115SR/130UR/110/135
KOMATSU	PC100/120/130/138UU/130-6
MITSUBISHI	MS090/120
SUMITOMO	LS2600FJ, SH100/120/135
TAKEUCHI	TB68/175/070/70FR
SUNWARD	7.0, 9.0

Packing details:

Hydraulic Quick Hitch Video