
An excavator quick coupler lets operators switch attachments in seconds without leaving the cab. Instead of climbing down and manually pinning each tool, the operator simply triggers the hydraulic system. This single feature changes how a job site runs. YG Machinery designs and manufactures this hitch for excavators ranging from 1.5 tons to 45 tons. Our team builds every unit with high-strength steel. A reliable safety locking system lets contractors swap buckets, breakers, and grapples with confidence. You might run a mini excavator on a tight residential lot. Or maybe you operate a larger machine on a commercial build. Either way, our coupler adapts to your fleet and keeps your project moving forward.
Hydraulic Quick Hitch Parameters and Specifications
Our hydraulic quick hitch comes in seven sizes, so it fits machines from compact mini excavators to large 45-ton units. The YGMINI and YG45 models suit operators looking for a dependable mini excavator hitch. These two sizes match smaller arms and lighter frames without sacrificing strength.
| Item/Model | Unit | YGMINI | YG45 | YG50/55 | YG60/65 | YG70/80 | YG90 | YG100/110 |
| Suitable Excavator | ton | 1.5-4 | 4-7 | 5-8 | 9-19 | 17-23 | 23-30 | 33-45 |
| Weight | kg | 25 | 50-60 | 80 | 120-130 | 280-290 | 420-430 | 450-580 |
| Length | mm | 388 | 534-545 | 600 | 765 | 924-944 | 983-1050 | 1006-1473 |
| Height | mm | 246 | 307 | 310 | 388 | 492 | 574 | 558-610 |
| 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 | mm | 25-40 | 45-50 | 50-55 | 60-70 | 70-80 | 80-90 | 90-120 |
| Working Pressure | bar | 32-40 | 32-40 | 32-40 | 32-40 | 32-40 | 32-40 | 32-40 |
| Working Flow | Ipm | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 | 10-20 |
What Is an Excavator Quick Coupler?
An excavator quick coupler is a connecting device fitted between the excavator arm and its attachments. It allows operators to release one tool and lock on another without manual pinning. Most models on the market today rely on hydraulic power. People often call this part a hydraulic quick hitch for that reason. The system uses oil pressure from the excavator to extend or retract internal pins. This action secures the attachment within seconds.
Traditional pin-and-bushing methods require two workers and several minutes for each swap. This hitch removes that delay entirely. The operator stays seated, presses a switch, and the machine handles the rest. Crews on busy sites rotate between buckets, breakers, and grapples throughout the day. Every swap saved this way adds up to real productivity gains by week’s end.


Applications of Excavator Attachment Coupling Across Industries
Because attachment swapping saves so much time, this hitch fits naturally into several industries. Below are four sectors where YG customers rely on our coupler most often.
1. Construction Sites
General contractors switch between digging buckets, compaction plates, and lifting hooks throughout a single project. A quick coupler keeps these transitions fast. Crews finish foundation work, grading, and material handling without waiting on manual tool changes.
2. Municipal and Utility Projects
City crews often repair pipes, trim roadside vegetation, and clear debris within the same shift. A hydraulic quick hitch lets one machine handle digging, cutting, and grading tasks back to back. This versatility reduces the number of vehicles a municipality needs to deploy.
3. Agricultural Work
Many farms run a mini excavator for drainage, fencing, and land clearing. A mini excavator hitch suits this setting well. Farmers can move between an auger, a grapple, and a standard bucket without renting separate machines for each task.
4. Demolition and Recycling
Demolition teams pair their excavator with breakers, shears, and grapples as a structure comes down in stages. A reliable coupler keeps each transition safe and quick, which lowers labor costs and shortens overall project timelines.
Why Choose YG as Your Trusted Coupler Supplier?
YG builds every coupler with the daily demands of contractors in mind. Here are the main reasons customers across global markets choose our hitch over generic alternatives.
1. High-Strength Steel Construction
We manufacture each unit from wear-resistant steel that withstands heavy daily use. This material choice extends service life. It also reduces the chance of cracking under repeated stress, even on demanding demolition or quarry sites.
2. Dual Safety Locking System
Every YG coupler includes a backup mechanical lock alongside the primary hydraulic lock. If hydraulic pressure drops unexpectedly, the secondary lock keeps the attachment secured, which protects both the operator and nearby workers.
3. Broad Machine Compatibility
Our seven size ranges cover excavators from 1.5 tons up to 45 tons. This wide range means fleet managers can standardize on one supplier instead of sourcing different hitches for each machine class.
4. Faster Attachment Changes
Operators complete a full swap in under thirty seconds from inside the cab. This speed translates directly into more billable hours per shift, particularly on projects that require frequent tool rotation.
5. Lower Long-Term Operating Costs
Fewer manual pinning tasks mean fewer crew members standing near moving equipment. This setup lowers injury risk and insurance exposure over time. Reduced downtime also means contractors finish more jobs within the same calendar period.
6. Mini Excavator Customization
Beyond our standard lineup, we also produce smaller, lighter versions specifically for compact machines. Customers looking for a dependable mini digger quick hitch can request custom pin sizes. We also tailor weight specifications to each exact excavator model.


Frequently Asked Questions About Mini Excavator Hitch and Coupler Use
It connects an excavator arm to different attachments, so operators can switch tools without manual pinning. This saves time on projects that require buckets, breakers, and grapples within the same shift.
Yes, when manufactured with a proper locking system. YG units include both a hydraulic lock and a mechanical backup lock. This dual design keeps the attachment secured even if oil pressure drops unexpectedly.
Yes, our YGMINI and YG45 models suit compact machines specifically. These sizes function as a mini excavator hitch. They match the smaller arm dimensions and lighter pin sizes found on compact equipment.
Match your excavator’s operating weight and pin diameter to our parameter table above. Choosing correctly as a mini digger quick hitch buyer ensures proper fit. It also avoids hydraulic pressure mismatches.
Most technicians complete installation within two to three hours, depending on the excavator model. Our team provides documentation and remote support to guide first-time installers through the process.

Excavator Quick Coupler Manufacturer – YG Machinery
YG Machinery has manufactured excavator attachments for international markets for many years. Our factory produces each excavator quick coupler under strict quality checks. The engineering team also supports custom specifications for buyers with unique fleet requirements. We export to contractors, dealers, and rental companies worldwide, backing every shipment with detailed technical documentation.
Beyond quick couplers, YG also supplies a full range of excavator attachments to round out your equipment fleet. Our excavator magnet attachment handles scrap and demolition debris with ease. For cutting tasks, our hydraulic shears for excavator make quick work of rebar and structural steel. Customers in forestry and recycling often pair their machine with our excavator orange peel grapple. Quarry and mining operators, meanwhile, rely on our rock splitter for excavator to break rock without blasting. Contact our team today to request a quote and find the right attachment combination for your project.







