Yantai Baitai Heavy Industry Co., Ltd.
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The quick hitch, also known as a quick coupler, facilitates the rapid installation and switching of various attachments on excavators. This capability expands the excavator's versatility, saves valuable time, and significantly improves overall efficiency. Modern quick hitches are predominantly fully automatic and are widely employed in agriculture, civil construction, pipe laying, mining, and loading/unloading operations.
Agriculture, Civil Building, Pipe Laying, Mining, Loading and Unloading.
Below are the technical specifications for the Quick Hitch models:
| Category | Unit | MR-mini | MR-02 | MR-04 | MR-06 | MR-08 | MR-08S | MR-10 | MR-17 | MR-20 |
|---|---|---|---|---|---|---|---|---|---|---|
| Applicable excavator weight | ton | 300-450 | 4-6 | 6-8 | 12-16 | 18-25 | 25-26 | 26-30 | 30-40 | 40-90 |
| Total length C | mm | 150-250 | 520-600 | 580-650 | 760-830 | 920-970 | 970-1100 | 965-1150 | 1005-1200 | 1250-1400 |
| Total width B | mm | 150-250 | 260-300 | 265-310 | 351-454 | 450-483 | 445-600 | 543-615 | 602-666 | 650-760 |
| Total height G | mm | 225-270 | 295-312 | 300-330 | 385-400 | 445-512 | 500-640 | 510-585 | 540-615 | 685-780 |
| Forearm opening width A | mm | 82-180 | 155-172 | 181-205 | 230-317 | 290-345 | 300-350 | 345-425 | 380-480 | 420-520 |
| Distance between axes D | mm | 95-220 | 220-275 | 290-350 | 350-400 | 430-480 | 450-505 | 485-530 | 520-630 | 620-750 |
| Shaft Diameter | mm | 20-45 | 40-45 | 45-55 | 50-70 | 70-90 | 90 | 90-100 | 100-110 | 100-140 |
| Cylinder extension distance E | mm | 95-200 | 200-300 | 300-350 | 340-440 | 420-510 | 450-530 | 460-560 | 500-650 | 640-700 |
| Distance between upper and lower axles F | mm | 170-190 | 200-210 | 205-220 | 240-255 | 300 | 320 | 350-370 | 370-380 | 400-500 |
| Weight | kg | 30-40 | 70-100 | 100-120 | 200-220 | 350-400 | 360-420 | 400-550 | 600-800 | 700-1000 |
| Working pressure | kg/cm2 | 30-400 | 30-400 | 30-400 | 30-400 | 30-400 | 30-400 | 30-400 | 30-400 | 30-400 |
| Necessary flow rate | I | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 |
| Specific parameters can be customized according to different equipment size requirements |