Excavator Bucket Attachments

As multi-scenario construction and waste recycling industries expand globally, traditional single-function digging bucket for excavator can no longer meet diversified on-site demands. The hydraulic crusher bucket, one of the most popular excavator bucket attachments, upgrades ordinary excavators into mobile crushing stations. This attachment proves high return on investment for demolition, road building, quarry, and municipal renovation. If you are interested, please contact YG for a discount.

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Parameters of the Excavator Crusher Bucket

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	20-25	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

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8 Core Advantages of Excavator Bucket Attachments

1. On-site material recycling to cut transport costs: It crushes concrete, rock, bricks, and construction waste directly on job sites. Crushed aggregates can be reused for backfill, road base, and foundation filling, eliminating expensive hauling fees to landfills or fixed crushing plants.
2. One machine multi-function, replaces independent crushing equipment: Combines scooping, loading, and crushing functions. No need to rent stationary jaw crushers, wheel loaders, and extra transport trucks, greatly reducing equipment rental expenditure.
3. Compact design fits narrow construction spaces: Unlike large fixed crushing lines, this excavator bucket attachment works flexibly in urban narrow demolition sites, tunnel projects, and small mountain quarries with limited operation space.
4. Adjustable discharge size for customized aggregate output: Operators can modify the gap between jaw plates to produce fine sand, medium gravel, or coarse stones, matching different construction raw material standards.
5. High-strength wear-resistant structure for long service life: Key components such as jaw plates and bucket shells adopt thickened wear-resistant steel. Reinforced welding and heat treatment resist impact and abrasion when crushing hard rock and reinforced concrete.
6. Low matching requirement for mainstream excavators: Multiple models fit 10–50 ton excavators. It shares the machine’s auxiliary hydraulic system without complicated refitting, compatible with most digging buckets for excavator mounting brackets.
7. Low daily maintenance and stable continuous operation: Simple internal hydraulic transmission structure with few vulnerable parts. Only regular lubrication of pin shafts and hydraulic pipeline inspection is needed, cutting long-term maintenance costs compared with large crushers.
8. Lower overall investment against fixed crushing stations: The one-time excavator bucket price is far cheaper than purchasing a complete stationary crushing line. Small and medium contractors can quickly launch recycling businesses with a low capital threshold.

6 Working Principle of Excavator Bucket Attachments

1. Hydraulic power supply activation: The excavator’s auxiliary hydraulic circuit provides stable high-pressure oil to drive the hydraulic motor inside the crusher bucket, delivering power for jaw movement.
2. Material scooping and feeding into crushing chamber: Operators control the excavator arm to scoop waste concrete, rock or rubble into the wedge-shaped crushing chamber of the bucket, storing raw materials inside the jaw gap.
3. Reciprocating extrusion crushing by dual jaws: One fixed jaw plate stays stationary, while the movable jaw plate pushes back and forth powered by the eccentric shaft. Continuous extrusion and impact break large hard materials into small fragments.
4. Anti-blocking reverse rotation function: If stones jam the crushing cavity, the operator reverses hydraulic flow to drive the jaw backward, automatically clearing blocked materials without manual cleaning.
5. Adjust particle size via gap control device: The rear adjustment bolt changes the distance between two jaw plates; narrower gaps produce finer aggregate, wider gaps output larger stones.
6. Discharge finished crushed materials: After reaching the target particle size, small fragments fall from the bottom outlet of the bucket. The excavator can directly discharge aggregates to trucks or spread them for on-site backfilling.

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Real Customer Cases about Excavator Bucket Attachments

Case 1 – Germany Municipal Demolition Contractor

1. Customer Background: Medium German construction firm focusing on old town demolition and construction waste recycling, equipped with 30 ton excavators. Previously, only used a standard digging bucket for the excavator.
2. Existing Troubles:
   • Narrow downtown sites ban large fixed crushers; waste transport cost extremely high.
   • Uncontrolled crushed stone size fails municipal road aggregate standards.
   • Low machine utilization, separate digging and crushing wastes time.
3. Custom Solution: Supplied YG-5 rock crusher buckets matching their 30t excavators. Adjustable 15–140mm output size, 220bar working pressure, transparent excavator bucket price quotation with full spare parts package.
4. Operation Effects:
   • On-site crushing cuts waste transport costs by 60%.
   • Adjustable discharge gap produces qualified, uniform gravel for road construction.
   • One attachment completes digging, loading, and crushing, raising equipment utilization greatly.
5. Customer Feedback: This reliable excavator bucket attachment perfectly fits our tight urban job sites. Reasonable excavator bucket price brings stable profits, so we will order more YG models for our new projects.

Case 2 – India Mountain Quarry & Rural Road Builder

• Customer Background: Indian local contractor running mountain quarries and rural highway renovation, owns 15 ton excavators, processes granite into road base materials.
• Existing Troubles:
  • Remote mountain areas cannot deploy large crushing stations, and rock transportation consumes massive fuel.
  • Old attachments mismatched hydraulic flow, weak crushing force, and low hourly output.
  • Wearing parts wear fast when crushing hard granite; frequent replacement delays progress.
• Custom Solution: Matched YG-2 crusher buckets for 15t excavators. 90L/min oil flow fits local machines, thickened wear plates, max hourly output up to 23m³/h. Full spare parts delivered together.
• Operation Effects:
  • Raw stone crushed on site, no long-distance hauling required.
  • Stable hydraulic system delivers powerful crushing capacity; the hourly output has increased significantly.
  • Reinforced jaw plates extend the service life of vulnerable components.
• Customer Feedback: The crusher bucket solves all our mountain construction troubles. Competitive excavator bucket price and sufficient spare parts support make long-term cooperation worthwhile.

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6 FAQs about YG Excavator Bucket Attachments