Editorial Technical Reference

Forklift Truck

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

Technical Definition & Core Assembly

A powered industrial vehicle used for lifting and transporting materials over short distances.

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

Product Specifications

Technical details and manufacturing context for Forklift Truck

Definition
A forklift truck is a motorized industrial vehicle equipped with a forked platform that can be raised and lowered for lifting, moving, and stacking palletized loads. It is a fundamental piece of material handling equipment in warehouses, distribution centers, manufacturing facilities, and construction sites, designed to efficiently transport goods horizontally and vertically within a limited operational area. The truck typically features a mast assembly, forks, hydraulic lift and tilt systems, and a counterweight at the rear to balance loads. Forklifts are available with various power sources, including electric motors, diesel engines, and LPG engines, and can be fitted with different tire types such as pneumatic, solid, or cushion tires to suit specific floor conditions and applications. Key performance parameters include load capacity, lift height, travel speed, lifting speed, gradeability, turning radius, and operating temperature range. These parameters are specified by the manufacturer and should be verified against standards such as ISO 1074 for load capacity, lift height, travel speed, lifting speed, gradeability, turning radius, operating temperature, and overall weight, and IEC 60204-1 for battery voltage on electric models. The forklift's design and configuration, including mast type (standard, duplex, triplex), power source, and tire type, must be selected based on the intended application and load characteristics. It is essential to confirm model-specific values and standards with the legal manufacturer or supplier before procurement or use, as the directory provides reference ranges only.
Working Principle
A forklift operates by using a hydraulic system powered by an internal combustion engine or electric motor. The operator controls the vehicle's movement via steering and acceleration pedals. To lift a load, hydraulic fluid is pumped into cylinders, extending the mast's lift chains or directly pushing the carriage upward. The forks, attached to the carriage, slide under the load (typically on a pallet). The tilt mechanism, also hydraulic, allows the mast to tilt forward or backward for load stability during transport and placement. Counterweights at the rear balance the load lifted at the front.
Common Materials
High-Strength Steel, Alloy Steel
Technical Parameters
ParameterTypical rangeNotes & selection driver
Load CapacityRequired1.0–10.0 kgThe maximum weight the forklift can safely lift to its maximum lift height.ISO 1074
Lift HeightRequired3000–6000 mThe maximum vertical height to which the forks can raise a load.ISO 1074
Mast TypeRequiredStandard, Duplex, Triplex nullThe design of the lifting assembly (e.g., simplex, duplex, triplex, quad).
Power SourceRequiredElectric, Diesel, LPG nullThe type of engine or motor (e.g., electric, diesel, LPG, gasoline).
Tire TypeRequiredPneumatic, Solid, Cushion nullThe type of tires fitted (e.g., cushion/pneumatic, solid).
Travel Speed10–20 km/hLoaded travel speed on flat, dry surface.ISO 1074
Lifting Speed200–500 mm/sSpeed of fork raising with rated load.ISO 1074
Gradeability15–30 %Maximum slope the truck can climb with load.ISO 1074
Turning Radius1500–3000 mmMinimum radius for 90-degree turn; affects aisle width.ISO 1074
Battery Voltage24–80 VElectric models only; higher voltage for larger trucks.IEC 60204-1
Operating Temperature-20–50 °COutside range, performance may degrade.ISO 1074
Overall Weight2000–15000 kgAffects floor loading and transport.ISO 1074

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
  • Mast
    The vertical assembly that raises and lowers the load carriage and forks.
    Material: High-strength steel alloy
  • Forks Part
    The L-shaped tines that slide under a load (typically a pallet) to lift it.
    Material: Hardened alloy steel
  • Carriage
    The mounting frame attached to the mast that holds the forks and allows for side-shift movement.
    Material: Steel plate
  • Counterweight Part
    A heavy mass at the rear of the vehicle to balance the load being lifted at the front.
    Material: Cast iron or steel
  • Overhead Guard
    A protective frame above the operator to shield from falling objects.
    Material: Steel mesh or solid plate
  • Fork Positioner
    A hydraulic attachment that allows the distance between the forks to be adjusted.
    Material: Steel and hydraulic components
  • Engine
    Internal-combustion or electric prime mover driving the hydraulic pump and wheels.
  • Hydraulic Cylinders
    Take pump pressure and push the carriage up the mast.
  • Lift Chains
    Multiply carriage travel over the mast stroke.
  • Tilt Mechanism
    Tilts the mast fore and aft to hold the load stable.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Forklift Truck.

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (not pressure-dependent)
other spec: Max Load Capacity: 1,000-50,000 kg, Lift Height: 3-15 m, Turning Radius: 1.5-4 m
temperature: -20°C to 40°C (operating range)
Media Compatibility
✓ Warehouse pallets ✓ Industrial containers ✓ Construction materials
Unsuitable: Explosive atmospheres (unless ATEX-rated)
Sizing Data Required
  • Maximum Load Weight (kg)
  • Required Lift Height (m)
  • Operating Environment (indoor/outdoor, aisle width)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Hydraulic Cylinder Seal Failure
Cause: Contamination of hydraulic fluid with particulate matter leading to abrasive wear, compounded by improper fluid viscosity or excessive operating temperatures degrading elastomeric seals.
Mast Roller Bearing Fatigue
Cause: Cyclic loading from frequent lifting operations combined with inadequate lubrication, misalignment, or shock loads from uneven surfaces causing spalling and eventual bearing seizure.
Maintenance Indicators
  • Unusual grinding or knocking noises from the mast during lifting, indicating bearing or chain wear
  • Hydraulic fluid leaks visible under the carriage or dripping from cylinders, especially with pressure drops during operation
Engineering Tips
  • Implement condition-based monitoring: Use ultrasonic leak detection for hydraulic systems and vibration analysis on mast bearings to schedule maintenance before catastrophic failure.
  • Establish strict contamination control: Install high-efficiency hydraulic filters with scheduled replacements, and enforce clean fluid handling procedures during top-ups to prevent abrasive wear in critical components.

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 3691-1:2021 - Industrial trucks - Safety requirements and verification - Part 1: Self-propelled industrial trucks, other than driverless trucks, variable-reach trucks and burden-carrier trucks ANSI/ITSDF B56.1-2020 - Safety Standard for Low Lift and High Lift Trucks DIN EN 1726-1:2021 - Safety of industrial trucks - Self-propelled trucks up to and including 10,000 kg capacity and industrial tractors with a drawbar pull up to and including 20,000 N - Part 1: General requirements

Quoted from the published standard.

Manufacturing Precision
  • Mast vertical alignment: +/- 0.5 mm per meter of lift height
  • Wheel alignment (toe-in): +/- 1.5 mm measured at wheel rim
Quality Inspection
  • Load capacity verification test (static and dynamic stability testing)
  • Hydraulic system pressure and leak testing (including cylinder drift measurement)

Manufacturers of Forklift Truck

12 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.

Ningbo Ruyi Joint Stock Co., Ltd. (XILIN)
Ningbo (Ninghai), Zhejiang, CN
Founded 1985260,000
Listed on the company's own website · profile compiled by CNFX from public sources
Dafang Crane
Henan, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Henan Kuangshan Crane Co., Ltd.
Henan, CN
Also makes: Spreader, Overhead Crane, Gear Reducer and 2 more
Listed on the company's own website · profile compiled by CNFX from public sources
Jining Zhineng Construction Machinery Co., Ltd.
Shandong, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Labirinth Microtest Electronics (Tianjin), Ltd.
Tianjin, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Quanzhou Bole Automation Engineering Co., Ltd.
Fujian, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Reeman
Guangdong, CN
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
SINOLIFT EQUIPMENT CO., LTD.
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
YTO Group Corporation
Shanghai, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Zhejiang Lingying Technology
Zhejiang, CN
Listed on the company's own website · profile compiled by CNFX from public sources
Tavol Group Co., Ltd. (Shandong Tavol Machinery Co., Ltd.)
Tai'an, Shandong, CN
Also makes: Tower Crane
Stated by the company · profile compiled by CNFX from public sources
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Frequently Asked Questions

What is the typical load capacity range for a forklift truck?

According to the directory reference, the load capacity range is 1.0 to 10.0 metric tons (kg). However, this is a general range; the exact capacity for a specific model must be confirmed with the manufacturer or supplier, as it depends on the truck's design and configuration.

What power sources are available for forklift trucks?

Forklift trucks can be powered by electric motors, diesel engines, or LPG (liquefied petroleum gas) engines. The choice of power source affects operating costs, emissions, and suitability for indoor or outdoor use. Verify the specific power source and its specifications with the manufacturer.

How does the hydraulic system work in a forklift?

The hydraulic system uses hydraulic fluid pumped into cylinders to extend the mast and raise the carriage. The tilt mechanism also uses hydraulics to tilt the mast forward or backward for load stability. The operator controls these functions via levers and pedals. Detailed operation and maintenance procedures should be obtained from the manufacturer's manual.

What standards apply to forklift truck parameters?

Key parameters such as load capacity, lift height, travel speed, lifting speed, gradeability, turning radius, operating temperature, and overall weight are referenced to ISO 1074. For electric models, battery voltage is referenced to IEC 60204-1. These standards serve as procurement references; compliance must be verified with the manufacturer or supplier.

Data Basis

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

Preliminary Technical Classification
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