EXCAVATOR QUICK COUPLERS AND HITCHES
The RQ Quick Coupler and Hitch series add versatility to your equipment. Our backhoe and excavator attachments allow you to perform any application without leaving the cab. The quick hitch will allow you to change attachments in seconds, drastically reducing time and involvement of labor switching attachments. Every Rockwater’s RQ quick hitches are customized to the choice of your carrier and it will grab almost all attachments that the carrier was able to grab. Rockwater’s quick hitches are hydraulically operated, with single cylinder and feature single lock for safety. It is the ultimate pin-grabbing coupler that is compact with no bells and whistles, concentrating on building a highly efficient and durable product.
Product Features
- Hydraulically operated.
- Primary hook actuated by hydraulic cylinder.
- Safety lock retains the attachment in case of misconnection.
- Equipped with Locking System in case of misconnection or equipment failure.
- Variable pin center design for easy pick up and swap of wide range of attachments.
- Simple design for ease of maintenance and excellence in durability.
SPECIFICATION
| Model | Unit | RQ30 | RQ40 | RQ45 | RQ50 | RQ60 | RQ80 | RQ120 | RQ130 | RQ150 |
| Weight | lb | 88-110 | 120-155 | 309 | 265-375 | 462-485 | 728-750 | 903-936 | 1,124-1,164 | 1,477-1,962 |
| Height (H) | inch | 9-11 | 11-12 | 15 | 15-16 | 16-17 | 17-19 | 20-21 | 22 | 22-24 |
| Height (H1) | inch | 6.3-6.7 | 6.9-7.1 | 7.5-7.9 | 8.4-9.1 | 9.2-9.7 | 9.7-11.3 | 11.9-12.9 | 12.1-13.2 | 13.3-14.2 |
| Width (W) | inch | 8-9 | 10-11 | 17 | 16-17 | 17-18 | 17-20 | 21-22 | 23-24 | 24-26 |
| Width (W1) | inch | 3.9-5.9 | 5.9-7.1 | 7.4-8.6 | 9.9-11 | 11-12 | 12-13.4 | 14.5-18 | 14.8-18.6 | 15.2-17.3 |
| Length (L) | inch | 13-19 | 31-36 | 31 | 30-31 | 31-34 | 31-36 | 37-39 | 40-41 | 38-45 |
| Length (L1) | inch | 3.5-11.2 | 9.5-11.8 | 11.8-16.1 | 14.9-18.1 | 15.5-16.5 | 16.1-19.1 | 17.7-22 | 18.9-23.6 | 20.5-23.2 |
| Length (L2) | inch | 3.5-11.2 | 9.5-11.8 | 11.8-16.1 | 14.9-18.1 | 15.5-16.5 | 16.1-19.1 | 17.7-22 | 18.9-23.6 | 20.5-23.2 |
| Working Pressure | psi | 580-4,641 | 580-4,641 | 580-4,641 | 580-4,641 | 580-5,076 | 580-5,076 | 580-5,076 | 580-5,076 | 580-5,076 |
| Oil Flow | gpm | 2.6-5.3 | 2.6-5.3 | 2.6-5.3 | 2.6-5.3 | 3-7 | 2.6-8 | 2.6-8 | 2.6-8 | 2.6-8 |
| Pin Diameter (D∅) | mm | 25-45 | 45-50 | 50-60 | 50-70 | 60-65 | 70-80 | 75-90 | 80-120 | 90-120 |
| Applicable Carrier | ton | 1-2 | 3-6 | 8-10 | 7-15 | 15-17 | 18-24 | 25-30 | 26-32 | 34-50 |
| Model | Unit | RQ30 |
| Weight | lb | 88-110 |
| Height (H) | inch | 9-11 |
| Height (H1) | inch | 6.3-6.7 |
| Width (W) | inch | 8-9 |
| Width (W1) | inch | 3.9-5.9 |
| Length (L) | inch | 13-19 |
| Length (L1) | inch | 3.5-11.2 |
| Length (L2) | inch | 3.5-11.2 |
| Working Pressure | psi | 580-4,641 |
| Oil Flow | gpm | 2.6-5.3 |
| Pin Diameter (D∅) | mm | 25-45 |
| Applicable Carrier | ton | 1-2 |
| Model | Unit | RQ40 |
| Weight | lb | 120-155 |
| Height (H) | inch | 11-12 |
| Height (H1) | inch | 6.9-7.1 |
| Width (W) | inch | 10-11 |
| Width (W1) | inch | 5.9-7.1 |
| Length (L) | inch | 31-36 |
| Length (L1) | inch | 9.5-11.8 |
| Length (L2) | inch | 9.5-11.8 |
| Working Pressure | psi | 580-4,641 |
| Oil Flow | gpm | 2.6-5.3 |
| Pin Diameter (D∅) | mm | 45-50 |
| Applicable Carrier | ton | 3-6 |
| Model | Unit | RQ45 |
| Weight | lb | 309 |
| Height (H) | inch | 15 |
| Height (H1) | inch | 7.5-7.9 |
| Width (W) | inch | 17 |
| Width (W1) | inch | 7.4-8.6 |
| Length (L) | inch | 31 |
| Length (L1) | inch | 11.8-16.1 |
| Length (L2) | inch | 11.8-16.1 |
| Working Pressure | psi | 580-4,641 |
| Oil Flow | gpm | 2.6-5.3 |
| Pin Diameter (D∅) | mm | 50-60 |
| Applicable Carrier | ton | 8-10 |
| Model | Unit | RQ50 |
| Weight | lb | 265-375 |
| Height (H) | inch | 15-16 |
| Height (H1) | inch | 8.4-9.1 |
| Width (W) | inch | 16-17 |
| Width (W1) | inch | 9.9-11 |
| Length (L) | inch | 30-31 |
| Length (L1) | inch | 14.9-18.1 |
| Length (L2) | inch | 14.9-18.1 |
| Working Pressure | psi | 580-4,641 |
| Oil Flow | gpm | 2.6-5.3 |
| Pin Diameter (D∅) | mm | 50-70 |
| Applicable Carrier | ton | 7-15 |
| Model | Unit | RQ60 |
| Weight | lb | 462-485 |
| Height (H) | inch | 16-17 |
| Height (H1) | inch | 9.2-9.7 |
| Width (W) | inch | 17-18 |
| Width (W1) | inch | 11-12 |
| Length (L) | inch | 31-34 |
| Length (L1) | inch | 15.5-16.5 |
| Length (L2) | inch | 15.5-16.5 |
| Working Pressure | psi | 580-5,076 |
| Oil Flow | gpm | 3-7 |
| Pin Diameter (D∅) | mm | 60-65 |
| Applicable Carrier | ton | 15-17 |
| Model | Unit | RQ80 |
| Weight | lb | 728-750 |
| Height (H) | inch | 17-19 |
| Height (H1) | inch | 9.7-11.3 |
| Width (W) | inch | 17-20 |
| Width (W1) | inch | 12-13.4 |
| Length (L) | inch | 31-36 |
| Length (L1) | inch | 16.1-19.1 |
| Length (L2) | inch | 16.1-19.1 |
| Working Pressure | psi | 580-5,076 |
| Oil Flow | gpm | 2.6-8 |
| Pin Diameter (D∅) | mm | 70-80 |
| Applicable Carrier | ton | 18-24 |
| Model | Unit | RQ120 |
| Weight | lb | 903-936 |
| Height (H) | inch | 20-21 |
| Height (H1) | inch | 11.9-12.9 |
| Width (W) | inch | 21-22 |
| Width (W1) | inch | 14.5-18 |
| Length (L) | inch | 37-39 |
| Length (L1) | inch | 17.7-22 |
| Length (L2) | inch | 17.7-22 |
| Working Pressure | psi | 580-5,076 |
| Oil Flow | gpm | 2.6-8 |
| Pin Diameter (D∅) | mm | 75-90 |
| Applicable Carrier | ton | 25-30 |
| Model | Unit | RQ130 |
| Weight | lb | 1,124-1,164 |
| Height (H) | inch | 22 |
| Height (H1) | inch | 12.1-13.2 |
| Width (W) | inch | 23-24 |
| Width (W1) | inch | 14.8-18.6 |
| Length (L) | inch | 40-41 |
| Length (L1) | inch | 18.9-23.6 |
| Length (L2) | inch | 18.9-23.6 |
| Working Pressure | psi | 580-5,076 |
| Oil Flow | gpm | 2.6-8 |
| Pin Diameter (D∅) | mm | 80-120 |
| Applicable Carrier | ton | 26-32 |
| Model | Unit | RQ150 |
| Weight | lb | 1,477-1,962 |
| Height (H) | inch | 22-24 |
| Height (H1) | inch | 13.3-14.2 |
| Width (W) | inch | 24-26 |
| Width (W1) | inch | 15.2-17.3 |
| Length (L) | inch | 38-45 |
| Length (L1) | inch | 20.5-23.2 |
| Length (L2) | inch | 20.5-23.2 |
| Working Pressure | psi | 580-5,076 |
| Oil Flow | gpm | 2.6-8 |
| Pin Diameter (D∅) | mm | 90-120 |
| Applicable Carrier | ton | 34-50 |