

A rock crusher bucket for excavator is a heavy-duty hydraulic attachment installed on the excavator arm, designed to crush rock, reinforced concrete, construction waste and other hard materials directly on the construction site. It integrates crushing and screening functions, turning waste materials into usable aggregate of specified particle size, eliminating the need to transport waste to off-site crushing stations. The mini excavator crusher bucket cuts material transportation and disposal expenses significantly. Operators can deploy it extensively in demolition works, road building, mine exploitation and landscaping, and it fits all mainstream 1–50 ton excavator models.
Rock Crusher Bucket For Excavator Technical Parameters
| SPECIFICATION | UNIT | YG-1 | YG-2 | YG-3 | YG-4 | YG-5 | YG-6 | YG-7 | YG-8 |
| Carrier Weight | Ton | 8-12 | 14-18 | 120-25 | 25-30 | 30-35 | 35-50 | 50-75 | ≥ 75 |
| Load Capacity | m³ | 0.15 | 0.55 | 0.66 | 0.70 | 0.90 | 1.30 | 1.60 | 2.30 |
| Opening Dimensions | mm | L540 H250 | L610 H510 | L740 H510 | L850 H510 | L910 H540 | L1205 H540 | L1300 H600 | L1450 H700 |
| Output Setting | mm | 15-60 | 15-60 | 15-130 | 15-135 | 15-140 | 15 – 145 | 40-150 | 100-200 |
| Length (A) | mm | 1240 | 1745 | 2000 | 2050 | 2185 | 2185 | 2930 | 3560 |
| Width (B) | mm | 1000 | 1000 | 1150 | 1300 | 1340 | 1620 | 1880 | 2090 |
| Height (C) | mm | 770 | 1100 | 1200 | 1400 | 1390 | 1390 | 170 | 2065 |
| Weight | Ton | 0.75 | 1.6 | 2.3 | 3 | 3.5a | 4.8 | 7.5 | 10.5 |
| Oil Flow | l/min | 90 | 98 | 140 | 160 | 180 | 210 | 320 | 380 |
| Pressure | bar | 200 | 220 | 220 | 220 | 220 | 220 | 250 | 230 |
| Counter | bar | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Max. Production | m³/h | 10 | 23 | 31 | 34 | 42 | 53 | 88 | 120 |


How Does the Rock Crusher Bucket For Excavator Work?
First, the operator loads hard materials such as rock blocks and concrete fragments into the bucket through the excavator arm, just like loading materials with a regular digging bucket.
Then, the built-in high-torque hydraulic motor drives the movable jaw plate to reciprocate, squeezing and crushing the materials between the fixed jaw plate and the movable jaw plate continuously.
During crushing, materials smaller than the set discharge size drop straight through the bottom screen mesh. The machine keeps squeezing larger uncrushed materials until they meet the required particle size. You can adjust the gap between the jaw plates to get different output aggregate sizes from 10 mm to 150 mm according to your project needs.
What Materials And Projects Can an Excavator Rock Crusher Bucket Handle
Processable Material Types
- Natural rock: Including granite, basalt, limestone, river pebble and other common hard rocks, it can crush large rock blocks excavated from foundation pits into graded aggregate directly on site
- Construction waste: Including reinforced concrete blocks, red bricks, concrete slabs and other demolition waste, separating steel bars automatically during the crushing process
- Engineering waste: Including road concrete slabs, bridge demolition fragments and other engineering waste, turning waste into reusable backfill materials
Applicable Project Scenarios
- Urban demolition projects: Crush demolition waste on site to avoid large-scale waste transportation, especially suitable for dense urban areas with restricted vehicle access
- Road renovation projects: Crush old concrete road slabs directly on site, and the crushed aggregate can be reused for road base backfill
- Mine and quarry projects: Crush-blasted large ore blocks into uniform particle size, reducing secondary transportation and crushing costs
- River regulation projects: Crush excess pebbles and rock blocks in the river channel for river slope protection and embankment construction
- Landscaping projects: Crush excess rock blocks into graded gravel for landscape paving and greening base layer
- An excavator rock crusher bucket can complete all the above work independently, with no need to deploy additional large crushing equipment on site.


Advantages of YG Rock Crusher Bucket For Excavator
We design every rock crusher bucket for excavator for heavy-duty construction conditions, with reliable performance and long service life:
- Adjustable output aggregate size from 10 mm to 150 mm, you can adjust the jaw plate gap according to different engineering requirements, and no need to purchase additional equipment
- Jaw plates made of high wear-resistant high manganese steel, impact-resistant and wear-resistant, suitable for long-term heavy load crushing work
- High torque hydraulic drive system, stable and powerful crushing force, can crush hard granite, basalt and reinforced concrete easily
- It features a standard excavator connection interface and fits all mainstream 1–50-ton excavators. Operators do not need to modify the excavator for installation.
- Integrated screening structure, only the qualified aggregate is discharged, and no secondary screening is needed
- High crushing efficiency, processing capacity ranges from 10 to 60 cubic meters per hour according to different models. A mini excavator crusher bucket for small machines also delivers stable crushing performance for small-scale projects.

Crusher Bucket For Sale-YG Machinery
Our rock crusher bucket for excavator combines a robust wear-resistant structure, adjustable output size and wide compatibility, helping you achieve efficient on-site crushing and greatly improve construction efficiency. If you are looking for a reliable crusher bucket for sale or want to reduce material transportation costs and shorten your project period, contact us today to get detailed technical specifications and a customized price quote for your specific excavator model.

