CAT Excavator Quick Hitch Coupler

Convenient Connection Full Automatic Safety System Model:dlkmini-dlk110 Pin diameter: 25-120mm suit 1.5-50tonnage excavator

Full Automatic Double Safety System

Electronic drive system is installed in the cab, the expensive hydraulic pressure is replaced by the electric power, which saves the production cost. Operators in the cab can easily turn on and turn off the quick hitch through the switch.Check valve Protection System: each cylinder installed safety check valve ensures that quick hitch coupler can work when the oil circuit and the circuit is cut off.Safety Pin Protection System: security protection is customized for each excavator according to the different parameters. In the case of the failure of cylinder, quick hitch coupler can work normally.

All in one

1. One Body Design

The coupler structure is designed into processing one-body type rather than welding assembled type, it is said that no welding between middle and bottom plate provides evenly distributed stress points, increasing durability 10 times more than the couplers with welded parts. Completed solve the most worrying welding cracks and damage of body in the large equipment.

2. Versatility

The diversity design can enable one coupler for multiple brand of equipments within the same excavator weight class, meanwhile, the versatility also make sure picking up the widest range of attachments such as buckets, rippers, especially strong in demolition attachments such as hammers, crushers, shears by making the advantage from both free type and fixed type DLK model.

PARAMETERS

Item / Model	Unit	DLK MINI	DLK45	DLK55	DLK60 DLK65	DLK70 DLK80	DLK90	DLK100 DLK110
Overall Length	mm	388	534-545	600	765	924-944	983-1050	1006-1173
Overall Height	mm	246	307	310	388	492	574	558-610
Overall Width	mm	175	258-263	270-280	353-436	449-483	543-568	606-663
Pin to Pin Center Distance	mm	80-150	230-270	290-360	380-420	460-480	473-540	550-620
Forearm Open Width	mm	80-140	155-170	180-200	232-315	306-340	375-411	416-469
Retractable Distance of Oil Cylinder	mm	170-206	205-275	340-450	340-486	256-390	413-590	520-590
Top to Bottom Pin Distance	Mm	159	195	195	220	275	300	360
Pin Diameter	φ	25-40	45-50	50	50-70	70-80	80-90	90-120
Weight	kg	25	50-60	80	120-130	280-290	420-430	450-580
Working Pressure	Kg/cm2	40-380	40-380	40-380	40-380	40-380	40-380	40-380
Required Oil Flow	l/min	10-20	10-20	10-20	10-20	10-20	10-20	10-20
Suitable Excavator	ton	1.5-4	4-7	5-8	9-19	17-23	23-30	33-45