Editorial Technical Reference

Dump Truck

This page explains how Dump Truck is classified within Motor Vehicle Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A heavy-duty truck designed for transporting and unloading bulk materials via a hydraulic hoist system.

Representative product image. Confirm appearance and specifications with the manufacturer.

Product Specifications

Technical details and manufacturing context for Dump Truck

Definition
A dump truck is a specialized heavy-duty vehicle engineered for transporting loose materials such as sand, gravel, demolition waste, or construction aggregates. It features an open-box bed mounted to the chassis, which is hinged at the rear and equipped with a hydraulic ram system to lift the front of the bed, allowing the cargo to be dumped out behind the vehicle. This design facilitates rapid unloading without manual intervention, making it essential in mining, construction, and large-scale earthmoving operations. The truck's structure is typically fabricated from high-strength steel and alloy steel to withstand the abrasive nature of loads and the stresses of off-road operation. Key specifications include a payload capacity ranging from 25 to 50 tons, a dump body volume of 15 to 30 cubic meters, and a gross vehicle weight rating of 40 to 60 tons. The dump angle can reach 45 to 60 degrees, enabling effective material discharge. The hydraulic system operates at pressures between 16 and 25 psi, powered by an engine delivering 250 to 400 kW. On highways, the truck can achieve speeds of 60 to 90 km/h, with a turning radius of 8 to 12 meters. Tire sizes typically range from 12.00R20 to 14.00R24, and the loading height is between 2.5 and 3.5 meters. The vehicle is designed to operate in ambient temperatures from -20°C to 50°C, and its fuel tank capacity is 200 to 400 liters. These values are reference ranges; actual specifications vary by model and configuration. Always verify model-specific data with the legal manufacturer or supplier before procurement or use.
Working Principle
The dump truck operates using a hydraulic system powered by the vehicle's engine. When activated, hydraulic fluid is pumped to one or more hydraulic cylinders (rams) connected to the truck bed. The pressurized fluid extends the cylinders, lifting the front of the bed around its rear hinge. As the bed tilts upward, gravity causes the load to slide out through the open rear gate. After dumping, the hydraulic system retracts the cylinders to lower the bed back to its horizontal transport position. The system typically includes controls in the cab for operator management of the lifting and lowering cycles.
Common Materials
High-strength steel, Alloy steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
Payload CapacityRequired25–50 tonsMaximum weight of material the truck can legally and safely carry
Dump Body VolumeRequired15–30 cubic metersInternal volume of the dump body for material containment
Gross Vehicle Weight RatingRequired40–60 tonsMaximum total weight of the loaded vehicle including chassis, body, and payload
Dump AngleRequired45–60 degreesMaximum angle of bed elevation during dumping operation
Hydraulic System Pressure16–25 psiOperating pressure of the hydraulic lifting system
Engine Power250–400 kWNet power output
Maximum Speed60–90 km/hGoverned speed on highway
Turning Radius8–12 mCurb-to-curb turning radius
Tire Size12.00R20–14.00R24Typical for heavy-duty use
Loading Height2.5–3.5 mHeight of body floor from ground
Operating Temperature-20–50 °CAmbient temperature range
Fuel Tank Capacity200–400 LDiesel fuel tank

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Dump Body
    Contains and transports bulk materials, designed to facilitate dumping through rear discharge
    Material: High-strength steel with abrasion-resistant lining
  • Hydraulic Hoist System
    Provides mechanical force to lift and tilt the dump body for material discharge
    Material: Steel cylinders, hydraulic hoses, and fluid reservoirs
  • Chassis Frame Part
    Structural backbone supporting the dump body, engine, cab, and suspension systems
    Material: Reinforced alloy steel
  • Tailgate
    Rear gate that opens to allow material discharge during dumping operations
    Material: Steel with locking mechanisms
  • Cab Protector Part
    Shield installed behind the cab to prevent material from falling onto it during dumping
    Material: Steel plate
  • Engine
    Drives the hydraulic pump that raises the body, and the truck itself.
  • Cab
    Driver station; holds the tipping controls.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Dump Truck.

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Hydraulic system: 150-250 bar, Hoist cylinder: 100-200 bar
flow rate: Hydraulic pump: 50-150 L/min
temperature: -40°C to 50°C (operational range)
gradeability: Up to 30% slope (loaded)
payload capacity: 15-400 metric tons (model dependent)
slurry concentration: Up to 70% solids by weight (material dependent)
Media Compatibility
✓ Aggregates (sand, gravel, crushed stone) ✓ Ore and minerals (iron ore, coal, bauxite) ✓ Construction materials (dirt, clay, demolition debris)
Unsuitable: Highly corrosive chemical slurries or hazardous materials requiring sealed containment
Sizing Data Required
  • Required payload capacity (tons)
  • Material density and characteristics (bulk density, abrasiveness)
  • Haul road conditions and terrain (grade, distance, surface type)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Brake system degradation
Cause: Contamination of hydraulic fluid with moisture or particulates leading to corrosion and seal failure, compounded by overheating from excessive or prolonged braking under heavy loads.
Engine overheating and head gasket failure
Cause: Cooling system inefficiency due to radiator clogging from dirt and debris, low coolant levels, or fan belt slippage, exacerbated by high ambient temperatures and continuous heavy-duty operation.
Maintenance Indicators
  • Unusual grinding or squealing noises from the braking system during application
  • Visible white smoke from the exhaust accompanied by a sweet smell, indicating coolant leakage into combustion chambers
Engineering Tips
  • Implement a proactive cooling system maintenance schedule: Regularly flush and replace coolant according to manufacturer specifications, inspect and clean radiator fins, and ensure proper fan belt tension to prevent overheating and extend engine life.
  • Adopt condition-based monitoring for the hydraulic system: Use oil analysis to detect contamination early, install desiccant breathers on reservoirs to control moisture, and perform regular visual inspections of brake lines and seals for leaks or wear.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 3452-1:2013 - Non-destructive testing - Penetrant testing ANSI/SAE J1074 - Off-Road Dump Truck Performance Test Code

Quoted from the published standard.

Manufacturing Precision
  • Frame weld seam alignment: +/- 2.0mm
  • Hydraulic cylinder bore diameter: +/- 0.05mm
Quality Inspection
  • Magnetic Particle Inspection (MPI) for critical welds
  • Load cycle fatigue testing of dump mechanism

Manufacturers of Dump Truck

8 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Hydraflu Hydraulic Co.
Shanghai, CN
CE
Listed on the company's own website · profile compiled by CNFX from public sources
Jiangsu Guorui Hydraulic Machinery Co., Ltd.
Jiangsu, CN
Founded 1986340 plus staff120,000㎡
Listed on the company's own website · profile compiled by CNFX from public sources
Jiangsu Mensch Auto Parts Co., Ltd.
Yancheng, Jiangsu, CN
Founded 200750,000+ M2
ISO/TS16949:2009
Listed on the company's own website · profile compiled by CNFX from public sources
Fucheng LHD
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Hydrath Power
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Jinan Changtong Machinery Equipment Co., Ltd.
Shandong, CN
Also makes: Asphalt Tank, Chip Spreader, Storage Tank and 3 more
Listed on the company's own website · profile compiled by CNFX from public sources
SANY Group
Taiwan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Shandong Derui Mining Machinery
Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources

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

Technical documentation
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Manufacturing capability
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Supply Chain Commonly Integrated Components

Automated Material Handling System

Automated system for transporting, positioning, and feeding materials within a vehicle body assembly line

Explore Specs →
Assembly Fixture

Specialized tooling device used to precisely position and secure vehicle components during assembly operations.

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Isolated Power Supply

A power supply unit that provides electrical isolation between input and output circuits within a Battery Control Unit (BCU).

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Torque Transmission Shaft

A mechanical shaft designed to transmit rotational torque between components within a brake/drive unit.

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Frequently Asked Questions

What is the typical payload capacity of a dump truck?

According to directory data, the payload capacity ranges from 25 to 50 tons. However, the exact capacity depends on the specific model and configuration. Always consult the manufacturer's specifications for the intended application.

How does the hydraulic dumping system work?

The system uses hydraulic fluid pressurized by the engine to extend cylinders that lift the front of the bed, causing the load to slide out. After dumping, the cylinders retract to lower the bed. Controls in the cab allow the operator to manage the process.

What materials are commonly used in dump truck construction?

High-strength steel and alloy steel are typically used for the bed and chassis to withstand abrasive loads and operational stresses. Specific grades may vary by manufacturer.

What is the maximum speed of a dump truck on highways?

The governed speed on highways is typically between 60 and 90 km/h. However, actual speed may be limited by load, terrain, and local regulations. Verify with the manufacturer for the specific model.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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