Product Introduction

• Structure: A precision-machined steel shaft with a high-hardness, wear-resistant surface treatment. It features a stepped design with multiple annular grooves for retaining shift forks and positioning springs, and a sealed bushing at the mounting end to prevent contamination.

• Performance: The hardened steel construction and smooth surface finish ensure low-friction linear movement, even under the high forces of frequent gear shifts. The annular grooves provide secure positioning of shift forks, preventing unwanted movement and ensuring precise gear engagement.

Core Function

1. Linear Actuation: Transmits the driver’s gear shift input from the shift lever to the shift forks via linear movement along the transmission housing.

2. Fork Positioning: The annular grooves securely hold shift forks in place, ensuring they engage with the correct synchronizer sleeves for precise gear selection.

3. Wear Resistance: The hardened surface treatment resists abrasion from shift fork movement, maintaining dimensional accuracy and long service life.

Fork Shaft 810W35619-0006 for Sinotruk Sitrak – Precision Gearbox Component for Heavy-Duty Trucks

When your Sinotruk Sitrak truck demands flawless gear shifting under extreme loads, every single transmission component matters. The Fork Shaft 810W35619-0006 serves as a critical link in your vehicle’s shift control mechanism, ensuring smooth and responsive gear engagement mile after mile. Sourced directly from our factory in China, this fork shaft delivers the dimensional precision and surface hardness that heavy-duty applications require. Whether you’re maintaining a fleet or stocking your parts inventory, Mettlead brings you OEM-equivalent quality at a factory-direct price — so you can keep your Sitrak trucks running without budget headaches.

Key Features and Benefits of Fork Shaft 810W35619-0006

This fork shaft isn’t just a metal rod — it’s engineered to handle the constant mechanical stress that comes with heavy commercial vehicle transmissions. Here’s what sets it apart:

• Exact OEM Fit: Manufactured to match the original specifications of Sinotruk Sitrak gearbox assemblies, which means no modifications are needed during installation.
• High-Strength Alloy Steel: Crafted from heat-treated alloy steel that resists wear, fatigue, and deformation even under sustained high-torque shifting.
• Precision-Ground Surface: The shaft surface undergoes precision grinding to ensure a low friction coefficient and tight tolerance with fork sleeves and shift forks.
• Extended Service Life: Thanks to its superior material composition and surface treatment, this fork shaft minimizes premature wear — reducing unplanned downtime for your fleet.
• Cost-Effective Maintenance: Factory-direct pricing from Mettlead means you get genuine-quality transmission parts without the inflated middleman markup.

In short, choosing the right fork shaft protects your entire transmission system. A worn or inferior shaft leads to imprecise shifting, accelerated synchronizer damage, and eventually costly gearbox overhauls.

Technical Specifications

Below you’ll find the detailed parameters for the Fork Shaft 810W35619-0006. These specs confirm its compatibility and performance grade:

Application Scenario

The Fork Shaft 810W35619-0006 is specifically designed for the transmission shift control assembly in Sinotruk Sitrak heavy-duty trucks. It functions as the guiding axis for the shift fork, translating the driver’s gear selection into precise mechanical movement within the gearbox. Consequently, this component is essential for maintaining accurate gear engagement in vehicles operating under heavy payloads, long-haul routes, and demanding terrain conditions.

Compatible vehicle series: Sinotruk Sitrak C7H, G7, and related heavy-duty platforms equipped with the corresponding manual or AMT gearbox assemblies. If you’re sourcing parts for other Sitrak systems, explore our full Sitrak Heavy-Duty Parts catalog or browse the complete Sinotruk Sitrak Truck Parts Category Guide for every component you need.

OEM/ODM Capability & Custom Packaging

Mettlead understands that different markets have different branding requirements. That’s why we offer flexible solutions tailored to your business needs:

• White-Label Supply: We can deliver fork shafts and other transmission parts in neutral, unbranded packaging — ideal for distributors who sell under their own brand name.
• Custom Packaging: Need your logo, part numbers, and barcodes on every box? Our team handles custom labeling and packaging design to match your corporate identity.
• Strict Quality Control: Every batch undergoes dimensional inspection, hardness testing, and surface finish verification before shipment. We stand behind our parts.
• Flexible Order Quantities: Whether you need a trial order or container-load volume, we accommodate various purchasing scales without sacrificing lead time.
• Factory Visits Welcome: We encourage procurement managers to visit our facility in China. Seeing our production lines and QC processes firsthand builds lasting confidence in our partnership.

Frequently Asked Questions (FAQ)

What does the fork shaft 810W35619-0006 actually do inside the gearbox?

Think of the fork shaft as the backbone of the gear-shifting mechanism. It acts as a guide rail for the shift fork, allowing the fork to slide precisely back and forth to engage or disengage specific gears. Without a properly functioning fork shaft, gear selection becomes rough, imprecise, or even impossible under load.

How do I know if my fork shaft needs replacement?

Common symptoms include difficulty shifting gears, a grinding sensation during gear changes, excessive play in the gear lever, or unusual metallic noise from the gearbox housing. Additionally, if inspection reveals scoring, pitting, or measurable wear on the shaft surface, replacement is strongly recommended before secondary damage occurs.

Is this fork shaft compatible with AMT (Automated Manual Transmission) versions of Sitrak trucks?

Part number 810W35619-0006 is specific to certain gearbox configurations. To confirm AMT compatibility, we recommend providing your full vehicle VIN or gearbox model number when you contact us. Our technical team will verify fitment for you.

What material is the fork shaft made from, and why does it matter?

This fork shaft is manufactured from heat-treated alloy steel with a surface hardness of HRC 58–62. The high surface hardness resists abrasive wear from the fork collar, while the tough core absorbs shock loads during aggressive shifting. Inferior materials would deform or wear prematurely, leading to sloppy shifts and potential transmission failure.

Can I order just one piece for a repair, or is there a minimum order quantity?

We are flexible with order quantities. Whether you need a single unit for an urgent repair or bulk stock for your warehouse, simply reach out with your requirements and we’ll provide a tailored quotation with the best possible pricing.

How is the fork shaft packaged for international shipping?

Each fork shaft is individually wrapped in anti-rust VCI film and placed in a sturdy carton with cushioning material to prevent transit damage. For larger orders, we palletize and secure the shipment to withstand ocean freight handling. Custom branding on the packaging is available upon request.

Get Your Fork Shaft 810W35619-0006 Quote Today

Ready to secure reliable, factory-direct pricing on the Fork Shaft 810W35619-0006 for Sinotruk Sitrak? Our team responds quickly — typically within 24 hours — with competitive quotations, accurate lead times, and flexible payment options that protect both sides of the deal.

Don’t let a worn fork shaft compromise your fleet’s uptime. Contact Mettlead now to request a quotation, confirm part compatibility, or schedule a factory visit. We’re here to make your procurement faster, safer, and more cost-effective.