Industry-Verified Manufacturing Data (2026)

Tailgate

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Tailgate used in the Motor Vehicle Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Tailgate is characterized by the integration of Gate Panel and Hinge Assembly. In industrial production environments, manufacturers listed on CNFX commonly emphasize High-strength steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A hinged or removable panel at the rear of a dump truck body that controls material discharge.

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Product Specifications

Technical details and manufacturing context for Tailgate

Definition
The tailgate is a critical component of a dump truck's cargo body, located at the rear end. It serves as a movable barrier that contains materials during transport and controls the flow, direction, and rate of discharge when the truck bed is tilted. Tailgates can be designed to swing open, slide, or be completely removed, with variations including standard flat gates, high-lift gates for increased capacity, and specialized gates for specific materials like aggregates or demolition debris.
Working Principle
The tailgate operates by being either hinged at the top or sides to swing open, or designed to slide vertically or horizontally. During dumping, hydraulic or manual mechanisms release the locking system, allowing the gate to open as the truck bed elevates. The opening angle or position controls how material exits—fully open for rapid discharge, partially open for controlled spreading, or with extensions/attachments to direct the flow.
Common Materials
High-strength steel, Abrasion-resistant steel plate
Technical Parameters
  • Dimensions (height, width, thickness) matching the dump truck body rear opening. (mm) Standard Spec
Components / BOM
  • Gate Panel
    Main structural surface that contains and directs material.
    Material: Abrasion-resistant steel
  • Hinge Assembly
    Allows the tailgate to pivot open and closed.
    Material: Forged steel
  • Locking Mechanism
    Secures the tailgate in the closed position during transport.
    Material: Hardened steel
  • Reinforcement Ribs
    Structural supports to prevent deformation under load.
    Material: Steel
  • Seal/Gasket
    Prevents material leakage between the tailgate and dump body.
    Material: Rubber or polyurethane
Engineering Reasoning
0.5-2.5 MPa hydraulic pressure, -40°C to 85°C ambient temperature
Hinge pin shear stress exceeds 345 MPa yield strength of AISI 4140 steel, latch mechanism exceeds 450 N·m torque limit
Design Rationale: Stress concentration at hinge pin fillet radius below 2 mm causing fatigue crack initiation, hydraulic cylinder seal degradation at temperatures above 120°C
Risk Mitigation (FMEA)
Trigger Hydraulic fluid contamination exceeding ISO 4406 18/16/13 cleanliness level
Mode: Spool valve sticking causing asymmetric tailgate opening
Strategy: Install 10 μm absolute filtration with differential pressure monitoring at 0.35 bar threshold
Trigger Cyclic loading at 10⁶ cycles with stress amplitude of 200 MPa at hinge connection
Mode: Fatigue fracture initiating at weld toe with radius below 3 mm
Strategy: Implement shot peening to induce 400-600 MPa compressive residual stress at critical locations

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Tailgate.

End gate Rear gate Dump gate heavy duty dump truck tailgate abrasion resistant steel tailgate dump truck rear gate panel tailgate hinge assembly replacement tailgate locking mechanism parts

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Dump Truck
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Dump Body
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0-50 psi (static load from material)
other spec: Max particle size: 300mm, Slurry concentration: up to 70% solids by weight
temperature: -40°C to 120°C
Media Compatibility
✓ Aggregates (gravel, sand) ✓ Construction debris ✓ Agricultural bulk materials (grain, feed)
Unsuitable: Corrosive chemical slurries or molten materials
Sizing Data Required
  • Dump truck body dimensions (width/height)
  • Material density and flow characteristics
  • Required discharge angle/clearance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Hinge Pin Wear and Failure
Cause: Repeated cyclic loading from opening/closing, combined with inadequate lubrication and exposure to contaminants (dirt, moisture, road salt), leading to accelerated wear, corrosion, and eventual pin seizure or fracture.
Latch Mechanism Malfunction
Cause: Misalignment due to vehicle frame stress or impact damage, accumulation of debris in the latch assembly, or wear/fatigue of internal springs and locking components, preventing secure closure or release.
Maintenance Indicators
  • Unusual grinding, popping, or squeaking noises during operation, indicating hinge wear, latch issues, or structural binding.
  • Visible misalignment, sagging, or difficulty latching securely, suggesting hinge wear, structural fatigue, or latch mechanism problems.
Engineering Tips
  • Implement a scheduled lubrication regimen using a high-quality, corrosion-resistant grease on all hinge pins, pivot points, and latch components, especially after exposure to moisture or road contaminants.
  • Regularly inspect and adjust hinge alignment and latch striker plates to ensure proper engagement, and promptly address any minor impacts or frame distortions that could lead to misalignment and accelerated wear.

Compliance & Manufacturing Standards

Reference Standards
ISO 14122-3:2016 (Safety of machinery - Permanent means of access to machinery - Part 3: Stairs, stepladders and guard-rails) ANSI/ASSE A1264.1-2017 (Safety Requirements for Workplace Walking/Working Surfaces and Their Access; Workplace, Floor, Wall and Roof Openings; Stairs and Guardrail Systems) DIN 18008-4:2013 (Glass in building - Design and construction rules - Part 4: Additional requirements for barrier glazing)
Manufacturing Precision
  • Flatness: +/- 1.5 mm per meter length
  • Hole alignment: +/- 0.5 mm for mounting points
Quality Inspection
  • Load Testing (static and dynamic load verification)
  • Dimensional Verification (using CMM or laser scanning)

Factories Producing Tailgate

Verified manufacturers with capability to produce this product in China

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✓ 92% Supplier Capability Match Found

T Technical Director from United States Jan 15, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
P Project Engineer from United Arab Emirates Jan 12, 2026
★★★★☆
"As a professional in the Motor Vehicle Manufacturing sector, I confirm this Tailgate meets all ISO standards. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Australia Jan 09, 2026
★★★★★
"Standard OEM quality for Motor Vehicle Manufacturing applications. The Tailgate arrived with full certification."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

7 sourcing managers are analyzing this specification now. Last inquiry for Tailgate from Turkey (1h ago).

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Frequently Asked Questions

What materials are used in heavy-duty dump truck tailgates?

Our tailgates are constructed from high-strength steel and abrasion-resistant steel plates to withstand harsh dumping cycles and abrasive materials.

How does the tailgate control material discharge?

The hinged or removable panel design allows operators to precisely regulate material flow during dumping operations, preventing uncontrolled spills.

What maintenance do tailgate components require?

Regular inspection of hinge assemblies, locking mechanisms, and seals/gaskets ensures optimal performance and prevents premature wear.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Motor Vehicle Manufacturing sector.

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