Genuine Sinotruk Pin Shaft (Tooth) 819-948-358 – Unyielding Strength & Unmatched Durability for Howo Heavy-Duty Attachments
Precision-Engineered Pivot Pin for Tooth and Attachment Systems
The Sinotruk Pin Shaft (Tooth) 819-948-358 is a genuine OEM high-strength pivot pin engineered to secure tooth assemblies, ripper shanks, and other critical attachments on Howo and Sinotruk heavy-duty trucks and construction equipment. As a fundamental load‑bearing element, the 819-948-358 delivers exceptional shear strength, precise dimensional accuracy, and outstanding wear resistance – ensuring reliable articulation and secure retention under the extreme impact loads and abrasive conditions of Nigerian mining, quarrying, and earthmoving operations.
This 819-948-358 pin shaft is manufactured from premium alloy steel, precision‑ground to exacting tolerances, and heat‑treated to achieve optimal hardness and toughness. Its meticulously controlled surface finish and tight dimensional tolerances guarantee a perfect fit in tooth mounting brackets and pivots, reducing play and extending component life. Trust the genuine Sinotruk 819-948-358 to maintain the integrity of your attachment systems and keep your equipment working at peak productivity.
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Engineering Excellence Behind the 819-948-358 Pin Shaft
The 819-948-358 pin shaft is far more than a simple cylindrical rod – it is a precision‑engineered component that plays a pivotal role in the safety, alignment, and durability of tooth attachment systems. Manufactured from a premium chromium‑molybdenum‑vanadium alloy steel (30CrMoV), it undergoes a rigorous multi‑stage production process including forging, precision turning, heat treatment, and finish grinding to achieve its exacting specifications. The pin’s surface is hardened to a depth of 2.0–2.5 mm, providing exceptional wear resistance while maintaining a tough, ductile core that can absorb shock loads without fracturing.
The dimensional accuracy of the 819-948-358 is critical to its function. With a diameter tolerance of ±0.005 mm and a straightness tolerance of 0.01 mm per 100 mm length, this pin ensures precise alignment of tooth brackets, reducing stress concentrations and preventing premature wear in mating components. The pin’s surface finish is held to an Ra value of 0.6 µm or better, minimising friction and enhancing the longevity of the components it interfaces with.
In typical Howo truck applications, the 819-948-358 is used as the main pivot pin for tooth assemblies on excavators, loaders, and graders. Its precise geometry and high‑strength material ensure that it can withstand the multi‑directional loads and vibrations characteristic of heavy‑duty earthmoving, maintaining alignment and preventing loosening over thousands of operating hours. Regular replacement of worn pins with genuine Sinotruk 819-948-358 units is essential for maintaining attachment security and operational safety.
Technical Specifications – Pin Shaft (Tooth) 819-948-358
| Parameter | Specification |
|---|---|
| OEM Part Number | 819-948-358 |
| Product Name | Pin Shaft (Tooth) – Pivot pin |
| Brand | Sinotruk (Genuine OEM) |
| Material | Cr-Mo-V alloy steel (30CrMoV) |
| Surface Hardness | 55 – 60 HRC (case‑hardened) |
| Core Hardness | 32 – 38 HRC |
| Diameter Tolerance | ±0.005 mm |
| Straightness Tolerance | 0.01 mm / 100 mm |
| Surface Finish (Ra) | ≤ 0.6 µm |
| Coating | Zinc‑nickel (yellow passivation) |
| Corrosion Resistance | ≥ 720 hours salt spray (ISO 9227) |
| Diameter | 45.0 mm |
| Length | 180 mm |
| Application | Tooth / ripper pivot pins for excavators, loaders, graders |
| Compatible Models | Howo A7, T7, C7H, HW series; Sinotruk construction machinery |
Why the Genuine Sinotruk 819-948-358 Outperforms Generic Pin Shafts
Generic pin shafts are often manufactured from lower‑grade steel with inconsistent heat treatment, leading to premature wear, bending, or catastrophic failure under high shock loads. The 819-948-358, with its premium alloy composition and precise heat treatment, delivers consistent hardness, toughness, and dimensional stability – ensuring reliable service throughout the life of the equipment. Its case‑hardened surface provides exceptional wear resistance, while the tough core absorbs shock loads without fracture.
Moreover, the superior corrosion protection of the zinc‑nickel coating on the 819-948-358 significantly extends its service life, especially in the humid and abrasive environments common in Nigeria. This coating maintains its integrity even when subjected to high temperatures, mud, and chemicals, ensuring that the pin remains corrosion‑free and easy to remove during maintenance.
Advanced Metallurgy for Extreme Conditions
The chromium‑molybdenum‑vanadium alloy used in the 819-948-358 is specifically formulated to resist fatigue and stress‑corrosion cracking – common failure modes for pins operating under cyclic loading in harsh environments. Its fine‑grained microstructure, achieved through controlled forging and heat treatment, provides an optimal balance of strength, toughness, and ductility, allowing the pin to withstand the punishing conditions of Nigerian mining and construction.
Compatibility and Fitment
The 819-948-358 is a direct replacement for the original tooth pin in a wide range of Sinotruk and Howo models. Its precise dimensions and finish guarantee perfect fitment in all OEM‑specified applications. Always verify the pin’s diameter and length against your equipment’s service manual to ensure correct fitment, and use the appropriate retaining clips or bolts as specified by the manufacturer.
Explore the full range of genuine Howo Parts available for your fleet, including tooth systems, undercarriage components, and attachment hardware. The 819-948-358 pin shaft is an essential part of that ecosystem – and with Sinotruk’s original quality, you can be confident that every critical pivot will remain secure and precisely aligned.
Installation Best Practices for the 819-948-358
Proper installation of the 819-948-358 is essential to ensure optimal performance and longevity. Always clean the pin and the receiving bore thoroughly to remove any dirt, debris, or old lubricant. Inspect the bore for signs of wear or damage – if the bore is worn beyond specifications, it should be reamed or replaced before installing the new pin. Apply a thin film of anti‑seize compound or high‑quality grease to the pin surface to facilitate installation and prevent corrosion.
During routine maintenance, inspect the 819-948-358 for signs of wear, scoring, or corrosion. If any wear is detected, measure the pin diameter with a micrometer to verify it is within specification. If the pin shows significant wear or damage, it should be replaced immediately with a new 819-948-358 to maintain proper alignment and load distribution.
Built for Nigeria – Unmatched Reliability in Demanding Conditions
Nigeria’s mining, quarrying, and construction industries operate under some of the most challenging conditions in the world: extreme heat, high humidity, abrasive dust, and constant vibration from heavy machinery. The 819-948-358 is engineered to excel in these conditions. Its precision tolerances, high‑strength material, and corrosion‑resistant coating ensure that it maintains its alignment and load‑bearing capabilities even after years of exposure to harsh environments.
Furthermore, the pin’s superior wear resistance reduces the frequency of replacement, lowering maintenance costs and minimising downtime – a critical advantage for contractors who depend on their equipment for daily revenue generation. By choosing the genuine Sinotruk 819-948-358, you are investing in reliability, safety, and long‑term cost efficiency.
Secure Your Attachments with the Genuine 819-948-358 Pin Shaft
The 819-948-358 Pin Shaft (Tooth) is a small but essential component that ensures the structural integrity and alignment of your Howo or Sinotruk tooth attachment systems. Its superior material, precision engineering, and exceptional corrosion resistance make it the definitive choice for professional workshops and fleet operators. Every time you install a genuine Sinotruk 819-948-358, you are safeguarding your equipment’s performance, reliability, and safety.
Don’t compromise with generic pins that may not meet the required strength or precision standards. Insist on the genuine 819-948-358 – the pin shaft trusted by experienced mechanics and operators across Nigeria. With its proven performance in the most demanding applications, this pin delivers the reliability and peace of mind you deserve.
Genuine Sinotruk 819-948-358 – 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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