Views: 1582 Author: YASSIAN-Envy Publish Time: 2025-08-20 Origin: Site
YASSIAN Ripper shanks are essential attachments for excavators, bulldozers and agricultural tillage equipment. They are designed to break up hard soil, rock and compacted terrain. Selecting the optimal ripper shank requires a systematic evaluation of job requirements, equipment compatibility, shank geometry and operational parameters. This guide combines engineering principles with field-tested data to help you achieve the best possible performance and longevity.
Step 1: Define the application requirements.
Soil/material type:
Hard materials (e.g. rock, frozen ground, compacted clay):
Use a single-tooth shank for concentrated penetration force. Its narrow profile exerts higher pressure per unit area, efficiently cracking resistant layers.
Soft to medium soils (loam, sandy clay, vegetated ground):
Opt for multi-tooth shanks to cover wider areas faster. Multi-tooth units reduce the number of passes required and improve fuel efficiency in non-abrasive conditions.
Job frequency and depth:
High-intensity ripping (>20% operational time):
Prioritise single-tooth configurations to withstand sustained stress.
Shallow/intermittent tasks (e.g. land clearing):
Multi-tooth shanks offer versatility for mixed operations.
Step 2: Select the shank type and geometry.
Tooth configuration:
Type: Penetration force: Ideal use case:
Single-tooth: high penetration force; ideal for quarries and rocky terrain.
Multi-tooth: Moderate. Ideal for farm tilling and soft soils.
Note: For large slabs or boulders, single-tooth designs prevent premature wear.
Critical geometric parameters:
Based on field research (loamy soil, 2.5–7.5 km/h):
- Rake angle: 25° optimises fracture propagation while minimising drag.
Dimensions: A length of 240 mm and a width of 80 mm balances durability and manoeuvrability.
Curve profile: Use the equation y = ax^b (where a = 2–3.5 and b = 0.04–0.05) to design the curvature of the shank for reduced soil adhesion.
Shank boots (tips):
Material: Carbide-tipped boots resist abrasion in rocky soils.
Length: Short boots are used for shallow work, while extended versions are used for deep ripping.
Alignment: Ensure the tip of the boot sits slightly below the shank to avoid premature wear.
Step 3: Verify machine compatibility.
Hydraulic and structural limits
Weight capacity: The shank mass must not exceed the equipment’s lifting limits. Overloading accelerates structural fatigue.
Hydraulic flow: match the shank's hydraulic requirements (e.g. cylinder size) to the excavator's output. Insufficient flow reduces penetration efficiency.
Mounting interfaces: Confirm compatibility with OEM systems (e.g. CAT, Komatsu) to avoid the need for adapter modifications.
Traction & Power:
Bulldozer-assisted ripping: Use a bulldozer for added traction and downward force in compacted ground.
Speed: Operate at 1.5–2 mph (2.4–3.2 km/h) in hard soils to minimise component strain. Higher speeds of up to 7.5 km/h are possible in softer soils.
Step 4: Evaluate durability and maintenance.
Material selection:
Hardox steel: Resists impact deformation in rocky conditions.
Alloy reinforcement: Welded abrasion plates extend service life.
Failure prevention:
Common issues:
Mushrooming (tip deformation) from excessive angles.
- Root/rock jamming causing shank bending.
Mitigation:
- Inspect boots every 50 operating hours and replace if wear exceeds 30%.
- Avoid obstructions by scanning the terrain before operating.
Factor | Single-Tooth | Multi-Tooth |
Initial Cost | Higher | Lower |
Fuel Consumption | Higher | Moderate |
Replacement Frequency | 120–150 hrs | 200+ hrs |
Tip: Prioritize total cost-per-hour over upfront price .
Operational best practices:
1. Setup:
Adjust the shank angle to between 60 and 70 degrees from horizontal for optimal fracture propagation.
Set the depth to 80% of the maximum capability to avoid overstressing.
2. Execution:
Maintain a steady speed, as erratic motion accelerates wear.
For deep ripping, use the 'step-down' method, increasing the depth incrementally with each pass.
3. Post-operation:
Clean soil and debris to prevent corrosion.
Lubricate the pivot points weekly.
Conclusion:
When choosing a ripper shank, it is important to rigorously cross-reference job parameters, machine specifications, and shank engineering. Key takeaways:
- Single-tooth units dominate in hard terrains, while multi-tooth units excel in softer, large-scale tasks.
- Geometry (25° rake angle and y=ax^b curve) directly affects efficiency.
Partner with suppliers offering OEM-compatible, warranty-backed solutions.
'The right shank turns resistance into productivity' – use data-driven selection to maximise ROI and minimise downtime.
| YASSIAN Ripper Protector Part Number. List | ||
| Part No. | Description | Model |
| 6J8814 | Ripper Protector | D8K D8L D8N D9H D9N |
| 8E1848 | Ripper Protector | D8K D8L D8N D9H D9N |
| 9W8365 | Ripper Protector | D9L D10N |
| 9N4621 | Ripper Protector | D9L D10 D10N D11 D11N |
| 6Y8960HD | Ripper Protector | D9L D10 D10N D11 D11N |
| 195-78-21320 | Ripper Protector | D85 D135A D155A D275A D355A D455A |
| 195-78-71111 | Ripper Protector | D375A |
| 195-78-21580 | Ripper Protector | D275A D355A D455A |
| 198-78-21330 | Ripper Protector | D375A D475A |
| 198-78-21390 | Ripper Protector | D475A |
