
Mechanical Quick Coupler
Maximize your machine’s potential with a robust and economical Mechanical Quick Coupler for Excavators. Designed for ultimate durability, minimal maintenance, and unmatched operational safety, this quick hitch is the definitive choice for owner-operators of everything from mini excavators (3-8 ton) to medium-duty machines.
- Simple Operation: Achieve rapid attachment changes with a straightforward manual process.
- Cost-Effective: Drastically lower initial investment and zero hydraulic maintenance costs.
- Enhanced Safety: Provides visible, physical confirmation of a secure lock, crucial for compliance.
- Wide Compatibility: Easily handles a variety of buckets and tools, addressing concerns about mechanical pin grabber coupler compatibility with Bobcat and other major brands.
| Category | Unit | MINI | MXB-02 | MXB-04 | MXB-06 | MXB-08 | MXB-08S | MXB-10 | MXB-14 | MXB-17 | MXB-20 |
| Length | mm | 300-450 | 520-542 | 581-610 | 760 | 920-955 | 950-1000 | 965-1100 | 980-1120 | 1005-1150 | 1100-1200 |
| Width | mm | 150-250 | 260-266 | 265-283 | 351-454 | 450-483 | 445-493 | 543-572 | 550-600 | 602-666 | 610-760 |
| Height | mm | 225-270 | 312 | 318 | 400 | 512 | 512-540 | 585 | 550-600 | 560-615 | 620-750 |
| Arm Open Width | mm | 82-145 | 155-172 | 181-205 | 230-317 | 290-345 | 300-350 | 345-425 | 380-450 | 380-480 | 500-650 |
| Pins Center Distance | mm | 95-220 | 220-275 | 290-350 | 350-400 | 430-480 | 450-505 | 485-530 | 550-600 | 520-630 | 600-800 |
| Pin Diameter | mm | 25-40 | 40-45 | 45-55 | 60-65 | 70-80 | 90 | 90-100 | 100-110 | 100-110 | 120-140 |
| Cylinder Stroke | mm | 95-200 | 200-300 | 300-350 | 340-440 | 420-510 | 450-530 | 460-560 | 510-580 | 500-650 | 600-700 |
| Vertical Pins Center Distance | mm | 170-190 | 200-210 | 205-220 | 240-255 | 300 | 320 | 350-370 | 370-380 | 370-380 | 370-380 |
| Weight | kg | 30-40 | 50-75 | 80-110 | 170-210 | 350-390 | 370-410 | 410-520 | 550-750 | 550-750 | 1300-1500 |
| Working Pressure | bar | 30-400 | 30-400 | 30-400 | 30-400 | 30-400 | 30-400 | 30-400 | 30-400 | 30-400 | 30-400 |
| Necessary Flow | l/min | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 |
| Suitable Excavator | ton | 1-4 | 4-7 | 6-9 | 10-15 | 18-23 | 23-26 | 26-30 | 30-40 | 40-52 | 55-90 |
The Mechanical Quick Coupler, commonly known in the field as the Manual Quick Hitch or Pin Grabber Coupler, is an essential implement that replaces the need for cumbersome manual pin changes. Its design focuses on pure physical mechanics rather than complex hydraulics, making it exceptionally reliable in harsh construction environments.
By requiring the operator to use a Quick Release Tool Bar (or lever) to engage the lock, this system eliminates hydraulic leaks and electronic failures. It is the perfect solution for users of 1-8 ton excavators seeking a durable, low-tech alternative that keeps operating costs to an absolute minimum.
✅ Advantages: Why Mechanical is the Smart Choice
Choosing a mechanical system offers compelling benefits over hydraulic alternatives:
- Unbeatable Cost-to-Value Ratio: Compare the mechanical vs hydraulic quick coupler maintenance cost—the mechanical system wins outright. Lower initial purchase price combined with zero cost for hydraulic fluid, hoses, or seal replacement offers significant long-term savings.
- Ultimate Reliability: Without vulnerable hydraulic components, this quick hitch is less susceptible to damage from debris, extreme temperatures, or rough handling, eliminating the potential for a hydraulic failure that requires a costly site visit.
- Clear Security Confirmation: The physical act of inserting and securing the safety pin gives the operator unambiguous, visual proof that the attachment is locked—a feature that often brings peace of mind and improves site safety compliance.
- Simplified Installation: The mechanical pin grabber coupler installation guide typically involves a less complex process than hydraulic setups, reducing the total time and expense required to get your machine back to work.
- Dual-Point Pin Grabbing: The core mechanism securely grips both the front and rear attachment pins simultaneously, ensuring a tight, stable connection without slop or rattle.
- Positive Safety Locking: Every unit includes a mandatory, high-visibility Captive Safety Pin. Securing this pin is the final, essential step in the safety procedure for mechanical quick coupler operation and serves as the ultimate failsafe against unintentional tool release.
- Self-Adjusting Design: Our advanced engineering minimizes bucket movement and reduces wear on pivot points. This self-tightening design helps prolong the lifespan of both your coupler and your expensive attachments.
- ISO 13031 Compliance: The design meets or exceeds critical international safety standards, providing assurance that your machine operates safely and within industry regulations.
- Reverse Mounting Capability: Easily supports mounting the bucket in a shovel (reversed) position, providing extra versatility for tasks like grading and digging right up against walls or foundations.
The Mechanical Quick Coupler is a highly versatile component, suitable across numerous applications:
- Residential & Utility Work: Ideal for mini excavators 3 ton performing detailed trenching and site finishing where space is limited.
- General Contracting: Rapidly switching between standard digging buckets, grading blades, and specialty attachments (e.g., tampers).
- Farming & Landscaping: The straightforward design is perfect for backhoe loaders used in property maintenance and material moving.
- Cost-Conscious Fleets: A reliable choice for rental companies and operators primarily concerned with keeping the mechanical quick coupler maintenance cost negligible.
Related Product
Successful Case
Related articles
How to Choose the Right Grapple
Selecting the right Excavator Log Grapple, Timber Grapple, or Forestry Grapple is critical for maximizing productivity, safety, and…
Frequently Asked Question
Still have questions?
Contact Us
Submit your question quickly and you will get a reply within 24 hours of working days☺.



















