High Tip Bucket on Hyundai HL770 – Key Features
- BAC Extreme High Tip Bucket 5.0m³
- Heavy Duty Clear Form Design for Harsh Environments
- High Tip Allows Creation of Higher Stock Piles
- BAC Extreme incorporates Hardox materials for areas where maximum abrasion and wear will occur
- Extreme buckets perfect for use in construction and recycling environments
Using High Tip Buckets on Hyundai Wheel Loaders for Aggregate Handling: Technical Considerations
Handling aggregates such as sand, gravel, crushed stone, and other granular materials efficiently and safely is a critical operation in many construction, recycling, and material handling sectors.
The Hyundai HL Series of wheel loaders—comprising models HL930, HL940, HL955, HL960, HL970, HL975, HL980, and HL985—offers a range of machine sizes suitable for various operational scales. When paired with BA Caulkett high tip buckets, these loaders gain enhanced versatility, particularly in applications where higher discharge heights are required, such as loading into tall hoppers, trucks, or feeders.
This article provides an in-depth examination of the technical considerations when using high tip buckets with Hyundai wheel loaders, focusing on bucket design, manufacturing, and machine selection criteria for optimal performance and longevity.
1. Purpose and Functionality of High Tip Buckets
High tip buckets are specially engineered attachments that allow for a greater discharge height than standard buckets by using a pivoting mechanism at the top of the loader arm. This is particularly useful when dumping materials into tall containers or maintaining efficient load cycles in facilities with limited vertical clearance.
Key Advantages:
- Increased dump height beyond the standard loader linkage
- Optimised for low-density, high-volume materials like aggregates
- Improved fill factor and material retention during transport
- Reduced spillage and cleaner discharge
2. Design Considerations for High Tip Buckets
2.1 Geometry and Capacity
- Volume: Buckets are designed with larger volumes (typically ranging between 2.5 m³ and 7.0 m³) to accommodate high-flow aggregate material.
- Tapered side walls: Facilitate easy dumping and prevent material build-up.
- Extended dump reach: High tip mechanisms increase dump height by approximately 1,000–1,500 mm over standard configurations.
- Low back wall: Improves visibility and helps distribute load evenly across the loader arms.
2.2 Structural Reinforcement
- High-strength steel (e.g., Hardox or equivalent) is used to withstand abrasive wear from coarse aggregates.
- Double-skin construction: In high-wear areas, particularly the base and leading edges, double plates improve durability.
- Ribs and gussets: Reinforcement ribs are crucial for managing torsional loads generated during tipping and loading operations.
2.3 Hydraulic Integration
- Hydraulic cylinders with integrated limit switches and safety stops control the tipping action.
- Hoses and fittings should be routed with protective sleeves to prevent damage from aggregate contact or articulation stress.
- Quick coupler compatibility allows rapid attachment/detachment for multi-purpose use.
3. Manufacturing Considerations
3.1 Welding and Fabrication
- Welding by experienced coded welders to ensure consistent joint strength, especially along critical stress paths like hinge mounts and cutting edges.
- Stress-relieved welding reduces the likelihood of fatigue cracks due to cyclic loading.
3.2 Material Treatment
- Correct surface preparation and primer coating before painting improves corrosion resistance.
- Wear plates and bolt-on edges can be added or replaced easily, extending bucket life without full replacement.
4. Wheel Loader Selection Considerations
Choosing the right Hyundai wheel loader for use with a BAC high tip bucket depends on several interrelated factors:
4.1 Machine Compatibility
- Ensure that the hydraulic flow and pressure of the loader match the bucket’s actuation requirements.
- Hyundai HL Series loaders like the HL960 or HL980 are often ideal due to their mid- to high-tier payload capacities (approximately 18,000 kg–31,000 kg operating weight).
4.2 Tipping Load and Stability
- A high tip bucket raises the centre of gravity when loaded, increasing the risk of instability. Thus, operating tipping load must be recalculated and counterweights may be necessary.
- Hyundai’s onboard weighing and load management systems help operators stay within safe parameters.
4.3 Tyre Selection and Ground Conditions
- Use L3 or L5 radial tyres with reinforced sidewalls to handle increased loads from larger bucket volumes.
- Consider solid tyres or foam-filled alternatives for environments with high puncture risk.
4.4 Articulation and Manoeuvrability
- Ensure the loader’s articulation angle and turning radius are suitable for the workspace, especially when full reach is extended.
- Z-bar linkages on Hyundai loaders offer strong breakout force, but for high tip operations, parallel linkages may be better suited for precise dumping control.
5. Operational Best Practices
- Operator Training: Ensure operators are trained on the specific dynamics of high tip buckets, particularly tipping momentum and altered visibility.
- Cycle Efficiency: Time each load/dump cycle to gauge productivity gains and identify any bottlenecks caused by bucket handling time.
- Maintenance Scheduling: Hydraulic linkages and bucket pivot pins require more frequent inspection and lubrication.
6. Application Use Cases
- Aggregates Depot: HL955 or HL960 with 4.0–5.0 m³ high tip bucket, ideal for loading screening plants.
- Recycling Operations: HL975 or HL980 with reinforced 6.0 m³ bucket for bulk movement of gravel and crushed rock.
- Asphalt Plant: HL940 with 3.5 m³ bucket used to feed silos with precise dump control.
Hyundai HL770 & High Tip Bucket Enhancing Operational Efficiency
Utilising high tip buckets with Hyundai HL Series wheel loaders significantly enhances operational efficiency when handling aggregates, especially where increased dump height is critical. The right combination of bucket design, manufacturing quality, and loader configuration ensures optimal performance, safety, and machine longevity.
Choosing the correct model and attachment is a function of material density, required dump height, worksite constraints, and production targets. With thoughtful planning and regular maintenance, high tip buckets provide a reliable solution for high-volume aggregate operations.
