Genuine Sinotruk Bolt (Ripper) 805-046-589 – Unmatched Durability for Heavy-Duty Attachment Securing
Heavy-Duty Fastening for Ripper and Attachment Applications
The Sinotruk Bolt (Ripper) 805-046-589 is a genuine OEM high-strength fastener engineered specifically for securing ripper assemblies, bulldozer attachments, and other heavy implements on Howo and Sinotruk construction vehicles. As a critical component for earthmoving and demolition tasks, the 805-046-589 delivers exceptional shear strength, impact resistance, and reliable clamp load – ensuring your equipment stays safely attached under the most punishing Nigerian operating conditions.
This 805-046-589 ripper bolt features a fully threaded shank, a heavy-duty hexagon head with an integrated flange, and is forged from ultra-high-strength alloy steel with a zinc-nickel coating for maximum corrosion protection. Rated to property class 12.9 (exceeding standard 10.9), it can withstand extreme shock loads and high torque, making it ideal for ripper teeth, shanks, and pivot pins. Rely on the genuine Sinotruk 805-046-589 to keep your ripper attachments secure and productive.
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Болт (рыхлитель)
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Engineering Excellence Behind the 805-046-589 Ripper Bolt
The 805-046-589 is not a standard fastener – it is a precision-engineered heavy-duty bolt designed to endure the extreme forces generated by ripping, scarifying, and demolition work. Manufactured from a specialized chromium-molybdenum-nickel alloy steel, this bolt offers outstanding toughness and resistance to fatigue failure. Its threads are rolled after heat treatment, which imparts a compressive residual stress at the thread roots, significantly increasing its fatigue life – a critical attribute for applications subject to cyclic loading.
The flange head incorporates a large bearing surface that distributes clamp load evenly, reducing the risk of embedding or loosening under high vibration. The 805-046-589 also features a precision-ground washer face that ensures consistent friction characteristics, allowing accurate torque application. Its zinc-nickel coating provides sacrificial protection, resisting corrosion from mud, water, and chemicals commonly found on construction sites.
In a typical ripper application, the 805-046-589 secures the ripper shank to the tool beam, or attaches the ripper tooth to the shank. These connections experience peak loads during initial penetration and sudden impacts when hitting buried rocks. The 805-046-589 is engineered to maintain its preload even after repeated shock loading, preventing loose connections that could lead to component wear or catastrophic detachment.
Technical Specifications – Bolt (Ripper) 805-046-589
| Parameter | Specification |
|---|---|
| OEM Part Number | 805-046-589 |
| Product Name | Bolt (Ripper) – Hexagon flange bolt |
| Brand | Sinotruk (Genuine OEM) |
| Thread Size | M24 x 3.0 (coarse) |
| Length (under head) | 110 mm |
| Head Type | Hexagon flange, large bearing area |
| Material | Cr-Mo-Ni alloy steel (34CrNiMo6) |
| Property Class | 12.9 (ultra-high strength) |
| Tensile Strength | ≥ 1220 MPa |
| Yield Strength | ≥ 1100 MPa |
| Coating | Zinc-nickel (geomet-compatible) |
| Corrosion Resistance | ≥ 1000 hours salt spray (ISO 9227) |
| Thread Form | Rolled, ISO metric |
| Recommended Torque | 1300 – 1500 Nm (oiled threads) |
| Application | Ripper shanks, teeth, pivot pins, heavy attachments |
| Compatible Models | Howo A7, T7, C7H, HW series; Sinotruk bulldozers, graders, excavators |
Why the Genuine Sinotruk 805-046-589 Outperforms Generic Ripper Bolts
Generic bolts intended for ripper applications often use 10.9 or even 8.8 grade steel, which may not provide sufficient margin against the extreme impact loads encountered during ripping operations. The 805-046-589, rated to 12.9, offers significantly higher tensile and yield strength, ensuring that the bolt can absorb sudden shock without plastic deformation. Its proprietary alloy also provides superior notch toughness, reducing the risk of brittle fracture at low temperatures – a consideration for Nigerian high-altitude or cool-season operations.
Moreover, the zinc-nickel coating on the 805-046-589 is specifically formulated to withstand the abrasive wear caused by soil and rock contact, which can quickly strip off conventional zinc plating. This coating also provides a low-friction surface that eases installation and removal, even after extended service periods. Workshops that have switched to the 805-046-589 report a dramatic reduction in bolt breakage and loosening, leading to increased ripper productivity and reduced downtime.
Advanced Metallurgy for Impact Resistance
The chromium-molybdenum-nickel alloy used in the 805-046-589 is heat-treated to achieve a tempered martensitic structure with fine, evenly distributed carbides. This microstructure provides an excellent combination of hardness (38–42 HRC) and impact energy absorption (≥ 40 J at -40°C). This means the bolt can withstand the sudden jolts that occur when a ripper tooth strikes an immovable object, without suffering from micro-cracking or catastrophic failure.
Compatibility and Fitment
The 805-046-589 is a direct replacement for the original ripper bolt in a wide range of Sinotruk and Howo construction machines. Its M24x110 dimensions and 3.0mm pitch match the exact specifications required for ripper shank mounting. Always verify the thread class (6g) and length before installation, and use a calibrated torque wrench to tighten to the recommended 1300–1500 Nm when lubricated with high-pressure grease or engine oil.
Explore the full range of genuine Howo Parts available for your fleet, including ripper components, undercarriage parts, and hydraulic attachments. The 805-046-589 ripper bolt is an essential part of that ecosystem – and with Sinotruk’s original quality, you can be confident that every attachment will remain securely fastened.
Installation Best Practices for the 805-046-589
Proper installation of the 805-046-589 is critical to ensure the safety and performance of your ripper assembly. Begin by thoroughly cleaning the bolt hole and the bolt itself, removing all dirt, grease, and old thread-locking compound. Inspect the bolt hole threads for damage – if they are worn or stretched, the hole should be repaired with a thread insert. Apply a thin layer of molybdenum disulfide grease or clean engine oil to the bolt threads and under the head to achieve consistent torque-tension relationship. Tighten the bolt in three stages (30%, 70%, and 100% of final torque) to allow for thread settling, and always use a calibrated torque wrench set to 1300–1500 Nm.
Regular inspection of the 805-046-589 should be performed at least daily during ripping operations. Check for any visible signs of loosening, such as movement between the shank and the beam, or any elongation of the bolt. If a bolt is removed for any reason, it should be replaced with a new 805-046-589 to ensure the integrity of the joint, as the torque-tension relationship may have been altered by plastic deformation of the threads.
Built for Nigeria – Unrivaled Durability in Harsh Construction Environments
Nigeria’s construction and mining sectors operate under severe conditions: abrasive laterite soils, high ambient temperatures, frequent rainfall, and heavy dust. The 805-046-589 is engineered to withstand these challenges. Its high-strength alloy and corrosion-resistant coating ensure that it maintains its clamping force and structural integrity, even after prolonged exposure to mud, water, and extreme heat.
Furthermore, the bolt’s robust design and high torque capacity prevent loosening due to vibration – a common issue with generic fasteners that can lead to costly downtime and safety hazards. By choosing the genuine Sinotruk 805-046-589, fleet operators and contractors can reduce the risk of unplanned stops, extend the service life of ripper components, and improve overall project productivity.
Secure Your Ripper Operations with the Genuine 805-046-589 Bolt
The 805-046-589 Ripper Bolt is a small but vital component that ensures the safety and effectiveness of your earthmoving equipment. Its superior strength, impact resistance, and exact OEM fitment make it the definitive choice for professional workshops and construction companies. Every time you install a genuine Sinotruk 805-046-589, you are safeguarding your equipment, your workforce, and your project timelines.
Never compromise on critical attachment fasteners. Insist on the genuine 805-046-589 – the ripper bolt trusted by experienced operators and maintenance teams across Nigeria. With its proven performance in the most demanding applications, this bolt delivers the reliability and peace of mind you demand.
Genuine Sinotruk 805-046-589 – Engineered for excellence. Built for Africa. Trusted by professionals.
Packaging & Shipping
Every Howo part is carefully packaged and shipped to ensure it arrives in perfect condition, ready for installation. Our professional logistics process guarantees timely delivery across Nigeria.
Secure Packaging
Each Howo part is individually wrapped in protective materials and placed in reinforced cardboard boxes to prevent damage during transit.
Dedicated Transport
We use our own Sinotruk logistics fleet for reliable delivery, ensuring parts reach customers quickly and safely across all regions of Nigeria.
Quality Inspection
Before shipping, each part undergoes final quality checks and is clearly labeled with its OEM number for easy identification.
Nationwide Distribution
Our extensive distribution network covers all major cities and rural areas in Nigeria, ensuring prompt delivery to construction sites, workshops, and businesses.
Shipping Information for Nigerian Customers
• Standard Delivery: 3-5 business days to major cities (Lagos, Abuja, Port Harcourt, Kano)
• Express Delivery: 1-2 business days available for urgent orders
• Regional Coverage: We deliver to all 36 states including remote areas
• Tracking: All shipments include real-time tracking information
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