Structured Manufacturing Data (2026)

Dump Body

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Dump Body 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 Dump Body is characterized by the integration of Floor and Side Walls. In industrial production environments, manufacturers listed on CNFX commonly emphasize High-strength steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The main cargo-carrying container of a dump truck that tilts to unload materials.

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Product Specifications

Technical details and manufacturing context for Dump Body

Definition
The dump body is the primary structural component of a dump truck, designed as a large, open-topped container mounted on the chassis. Its core function is to transport and contain bulk materials such as sand, gravel, dirt, or demolition debris. It is hydraulically actuated to lift at its front end, allowing the cargo to slide out from the rear when the truck is in the dumping position.
Working Principle
The dump body is hinged at its rear to the truck's subframe. A hydraulic cylinder, typically mounted between the chassis and the front of the body, extends to push the front of the body upward. This creates a tilting angle, utilizing gravity to cause the loose material inside to slide out through the rear opening or tailgate.
Common Materials
High-strength steel
Technical Parameters
  • Heaped capacity, indicating the maximum volume of material the body can hold. (m³) Per Request
Components / BOM
  • Floor Part
    Forms the base of the container, directly supporting the load. Often reinforced and sloped to aid material flow during dumping.
    Material: High-strength steel plate
  • Side Walls Part
    Contain the material during transport. May include top rails for structural rigidity.
    Material: High-strength steel plate
  • Headboard Part
    The front wall of the body, which bears significant stress during the lifting cycle.
    Material: High-strength steel plate
  • Tailgate
    The rear gate that secures the load during transport and opens (manually or hydraulically) for dumping. Can be a simple hinged gate or a more complex barn-door style.
    Material: High-strength steel plate
  • Hinge Pins & Brackets Part
    Provide the pivotal connection between the dump body and the truck's subframe at the rear, allowing the body to tilt.
    Material: Forged steel
  • Hoist Cylinder Mounting Brackets Part
    Reinforced structures on the body's subframe or headboard where the hydraulic hoist cylinder is attached.
    Material: High-strength steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Dump Body.

Tipper Body Dump Bed Hopper Body heavy duty dump truck body steel dump body for construction dump body replacement parts custom dump truck body manufacturing dump body hoist cylinder brackets

Applied To / Applications

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

Dump Truck
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Rigid Dump Truck
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Articulated Dump Truck
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Underground Mining Truck
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (structural load-bearing, not pressurized)
other spec: Payload capacity: 5-50 tons typical, Tilt angle: 45-70°, Material thickness: 4-12 mm steel
temperature: -40°C to 80°C (operational range for standard steel bodies)
Media Compatibility
✓ Aggregates (gravel, sand) ✓ Construction debris ✓ Agricultural materials (grain, soil)
Unsuitable: Corrosive chemicals or highly abrasive slurries without specialized lining
Sizing Data Required
  • Payload capacity (tons)
  • Truck chassis dimensions and GVWR
  • Primary material type and density

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Abrasive erosion
Cause: Continuous exposure to abrasive materials (e.g., rocks, sand, ore) during loading/unloading cycles, leading to thinning and perforation of steel plates, especially at impact zones and corners.
Fatigue cracking
Cause: Cyclic stress from repeated dumping/loading operations, exacerbated by structural overloading, poor weld quality, or stress concentrations at hinge points and reinforcement joints, causing cracks to propagate over time.
Maintenance Indicators
  • Visible cracks or deformation at hinge mounts, sidewalls, or floor plates, indicating structural fatigue.
  • Unusual grinding or scraping noises during dumping, suggesting misalignment, worn bushings, or debris trapped in mechanisms.
Engineering Tips
  • Implement a regular liner inspection and replacement program for high-wear areas (e.g., floor and impact zones) using abrasion-resistant steel or composite overlays to reduce erosion.
  • Enforce strict load limits and balanced loading practices to minimize uneven stress, and conduct periodic non-destructive testing (e.g., ultrasonic or dye penetrant) on welds and critical joints to detect early cracks.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 Quality Management Systems ASTM A48/A48M-19 Standard Specification for Gray Iron Castings CE Marking (EU Machinery Directive 2006/42/EC)
Manufacturing Precision
  • Bore Diameter: +/-0.05mm
  • Surface Flatness: 0.15mm per 300mm
Quality Inspection
  • Dimensional Verification with CMM
  • Magnetic Particle Inspection

Factories Producing Dump Body

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are used in dump body construction?

Our dump bodies are constructed from high-strength steel for maximum durability and load-bearing capacity in demanding industrial applications.

What are the main components of a dump body?

Key components include the floor, headboard, side walls, tailgate, hinge pins & brackets, and hoist cylinder mounting brackets for complete functionality.

How does a dump body unload materials?

The dump body tilts hydraulically using the hoist cylinder system, allowing for efficient unloading of bulk materials like gravel, sand, and construction debris.

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 basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Motor Vehicle Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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