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90/50 3.5inches/2inches Fifth Wheel Saddle Seat Repair Kit Lock Hook Lock Block Wear-Resistant Ring

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Product Description

Basic Information
Model NO.
2inches/3.5inches/50mm/90mm
Material
Steel
Thickness
8~25mm Custom Sizes
Height
130-260mm Custom Sizes
Swing
12
Color
Black, Gray, Blue, Red and Other Custom Specified
Transport Package
Wooden Pallets
Specification
Custom sizes
Origin
China
HS Code
8716900000
Capacity
100,000-150,000 PCS Per Year
Product Description
Semi-trailer Fifth Wheel: The Key Connecting Hub for Efficient Transportation.
I. Robust Design Made of high-quality high-strength alloy steel with special heat treatment. Capable of withstanding extreme vertical loads and strong impacts without deformation.
II. Connection Mechanism Unique saddle design for standard tractors. Features rapid positioning and high-precision guiding devices for smooth connection even on uneven roads.
III. Shock Absorption Equipped with high-performance rubber buffer pads and damping devices to absorb vibrations, protecting the frame and ensuring cargo safety.
IV. Maintenance Ergonomic handle design for light operation. Reasonable structural layout allows for easy disassembly and quick component replacement.
Detailed Photos
Fifth Wheel Overview
Component 1 Component 2 Component 3 Component 4 Component 5 Component 6 Component 7 Component 8 Component 9 Component 10 Component 11 Component 12 Component 13 Component 14 Component 15 Component 16 Component 17 Component 18 Component 19 Component 20
Product Parameters
Size Classification No. 90 Fifth Wheel: 90mm diameter traction pin. Load capacity 30-150 tons. Ideal for heavy engineering loads.
No. 50 Fifth Wheel: 50mm diameter traction pin. Load capacity 20-150 tons. Suitable for urban logistics.
Functional Type Single-action: Simple connection/separation for regular routes.
Double-action: Saddle can rotate or lift, ideal for ports and container transfer.
Processing Tech Cast: Excellent integrity for heavy-duty requirements.
Forged: Compact internal structure, stable for mid-to-high-end products.
Welded: High flexibility for customized needs and easier maintenance.
Height & Swing Available from 130mm to 260mm. Single-axis (forward/backward) or Double-axis (multi-directional swing).
Packaging & Shipping
Packaging
Installation Instructions
I. Preparation Match models, prepare tools (torque wrench, jack, level), select flat ground, and inspect components for defects.
II. Installation Steps 1. Position tractor/trailer. 2. Install base to frame. 3. Mount main body. 4. Adjust levelness and tighten bolts to spec. 5. Connect air/electric lines.
III. Usage Methods Reverse tractor until locking "click" is heard. Verify engagement. Support landing gear before unlocking for separation.
IV. Precautions Strictly follow tightening torque. Never stand under vehicle during operation. Regular monthly inspection is required. No overloading.
Profile

Our company is a comprehensive enterprise that integrates design, production, and sales of semi-trailer parts. Established in 2004, we specialize in trailer axles, suspensions, landing gear, fifth wheels, king pins, and various machinery parts. With a factory area of over 24,000 square meters and over 1,000 experienced employees, we maintain a strict quality assurance system and high-quality after-sales service.

Factory Facility Manufacturing Line
Frequently Asked Questions
Q1. Can I obtain product samples?
Yes, samples are available upon request for quality verification.
Q2. Is OEM/ODM service available?
Yes, we provide full OEM and ODM services. Your custom logo and design can be applied to our products.
Q3. Do you operate your own manufacturing facility?
Yes, we own and operate a large-scale manufacturing facility with advanced production equipment. Visitors are always welcome.
Q4. What is your annual production capacity?
Our current annual production capacity reaches approximately 300,000 tons of machinery parts.
Q5. How long does shipping typically take?
Products currently in stock are typically processed and shipped within 5 business days.
Q6. How is product quality ensured?
We implement a strict quality control system at every stage of production, from raw material selection to final testing before dispatch.

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