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Product Description

Quick couplers (also called quick hitches) are used with construction machines to allow the rapid change of buckets and attachments on the machine. They remove the need to use hammers to manually drive out and insert the mounting pins for attachments. They can be used on excavator, mini excavator, backhoe loader and so on.
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1.Tilt any bucket or attachment up to 180 degrees2.Better stabilty, increased productivity, more secure
3. Available with common couplers
4.Adaptable to a variety of buckets and attachments

Specification
| Model | Unit | RQH01T | RQH02T | RQH04T | RQH06T | RQH08T | |
| Excavator | T | 1-3 | 4-6 | 6-8 | 10-15 | 15-23 | |
| Cylinder | Max pressure | Bar | 200 | 200 | 200 | 200 | 200 |
| Psi | 2900 | 2900 | 2900 | 2900 | 2900 | ||
| Operation flow | L/min | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | |
| Gpm | 2.6-5.2 | 2.6-5.2 | 2.6-5.2 | 2.6-5.2 | 2.6-5.2 | ||
| Tilting cylinder | Max pressure | Bar | 210 | 210 | 210 | 210 | 210 |
| Psi | 3046 | 3046 | 3046 | 3046 | 3046 | ||
| Oil flow | L/min | 2-3 | 6-10 | 15-20 | 20-25 | 25-32 | |
| Gpm | 0.52-0.79 | 1.6-2.6 | 3.9-5.3 | 5.3-6.6 | 6.6-8.5 | ||
| Tilt Angle | 140/180 | 140/180 | 140/180 | 140/180 | 140 | ||
| Tilt Torque | N.m | 900 | 3200 | 7000 | 9000 | 15000 | |
| Remaining Torque | N.m | 2400 | 7200 | 20000 | 26000 | 43000 |

1. Open the cylinder, and ensure slide is fully extended with front jaw safety lock open.
2. Line up attachments and engage front attachments pin.
3. Close the cylinder. This will retract the slide mechanism and this will visibly lock the front jaw safety latch around front attachment pin.
4. Open the cylinder again. The sliding mechanism will extend and engage the rear slide hook onto the rear attachment pin.
5. Proceed with connection test.
A quick coupler, also known as a quick hitch, allows for the rapid change of buckets and attachments on construction machines without the need for manual tools. It uses a hydraulic mechanism to engage and disengage attachments quickly.
This quick coupler is compatible with excavators, mini excavators, backhoe loaders, and other construction machines.
The coupler can tilt attachments up to 180 degrees, providing flexibility for various tasks.
By allowing for quick changes between attachments, the coupler reduces downtime, enabling operators to switch tools efficiently and complete tasks faster.
The coupler can handle a maximum pressure of 200 Bar (approximately 2900 Psi) for operation, and 210 Bar (approximately 3046 Psi) for the tilting cylinder.
Yes, the coupler features a double safety lock mechanism that ensures attachments are securely fastened during operation.
Yes, it is adaptable to a variety of buckets and attachments, making it versatile for different excavation needs.
The coupler requires an operation flow of 10-20 L/min (2.6-5.2 Gpm) depending on the model.
Regularly check the hydraulic connections for leaks, ensure the locking mechanisms function properly, and lubricate moving parts to maintain optimal performance.
To install, open the cylinder, line up the attachment, engage the front attachment pin, close the cylinder to lock it, and then test the connection.
The tilt torque varies by model, ranging from 900 to 15,000 N.m, depending on the specific quick coupler model.
Yes, as long as the attachments are compatible with the coupler's specifications, you can use tools from different manufacturers.
The coupler is available in several models including RQH01T, RQH02T, RQH04T, RQH06T, and RQH08T, each suited for different excavator sizes.
The weight limit for attachments varies by model and excavator size; ensure to consult the specifications for each model for precise limits.
Warranty details vary by seller; please check with your supplier for specific warranty information regarding the quick coupler.
No approved technical specifications are available yet. Please refer to the product description or contact our team.
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