Bogie (Truck)

Product Specifications

Technical details and manufacturing context for Bogie (Truck)

Definition

A bogie (or truck) is a chassis or framework that carries a wheelset, attached to a rail vehicle, allowing it to negotiate curves. It supports the vehicle body, absorbs shocks, and distributes weight. As part of the rail chassis, it houses primary suspension, axles, brakes, and sometimes traction motors, enabling stable and smooth movement on railway tracks. The bogie is a critical component in rail vehicles, influencing ride comfort, stability, and track wear. It typically consists of a frame, wheelsets, suspension elements, and braking systems. The frame is usually made of high-strength or alloy steel to withstand dynamic loads. The wheelsets are mounted in the frame with bearings, and the suspension system (coil springs and hydraulic dampers, or optional air springs) absorbs vertical and lateral forces from track irregularities. The bogie connects to the vehicle body via a center pivot or side bearers, allowing relative rotation for curve negotiation. It also transfers loads from the vehicle to the rails and accommodates thermal expansion and dynamic forces. Key parameters include wheelbase (2000–2700 mm), track gauge (1435 mm standard, others on request), maximum axle load (17–25 t), service speed (80–160 km/h), suspension type (coil spring + hydraulic damper, air spring optional), brake type (tread or disc), new wheel diameter (840–920 mm), bogie weight (5–8 t), operating temperature (-40 to 85 °C), and wheelbase tolerance (±2 mm). These values are typical ranges; actual specifications must be confirmed for the specific model and application. Standards such as GB/T 10082 may be referenced for verification, but compliance must be confirmed with the manufacturer or supplier.

Working Principle

The bogie pivots or allows lateral movement relative to the vehicle body via a center pivot or side bearers, enabling it to steer through curves. Suspension systems (springs, dampers) absorb vertical and lateral forces from track irregularities, while the wheelset guidance ensures proper tracking. It transfers loads from the vehicle to the rails and accommodates thermal expansion and dynamic forces.

Common Materials

High-strength steel, Alloy steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Wheelbase	2000–2700 mm	Determines track curve negotiation and vehicle stability.
Track Gauge	1435 mm	Standard gauge; other gauges available on request.GB/T 10082
Maximum Axle Load	17–25 t	Higher loads require reinforced track and bogie structure.
Service Speed	80–160 km/h	Above 160 km/h requires enhanced dynamic performance.
Suspension Type	Coil spring + hydraulic damper	Air spring optional for higher comfort.
Brake Type	Tread brake / disc brake	Disc brake preferred for high-speed and heavy loads.
Wheel Diameter (New)	840–920 mm	Worn diameter limit is typically 770 mm.GB/T 10082
Bogie Weight	5–8 t	Lighter bogies reduce track wear and energy consumption.
Operating Temperature	-40–85 °C	Outside this range, lubricants and elastomers may fail.
Wheelbase Tolerance	±2 mm	Ensures even load distribution and stable running.GB/T 10082

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

Bogie frame
Main structural member that supports all other components and transfers loads

Material: High-strength steel
Wheelset
Assembly of axle and wheels that rolls on rails

Material: Forged steel
Primary suspension Part
Springs and dampers between axle boxes and bogie frame to absorb track shocks

Material: Steel springs, rubber
Brake rigging
Mechanism to apply braking force to wheels

Material: Steel
Center Pivot and Side Bearers
The connection to the car body: it lets the bogie swivel into curves while carrying the load.

Applied To / Applications

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

Rail chassis

View system integration details

Manufacturers of Bogie (Truck)

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Frequently Asked Questions

What is the typical wheelbase range for a bogie?

The wheelbase typically ranges from 2000 to 2700 mm, but the exact value depends on the specific bogie model and application. Always confirm with the manufacturer.

What track gauge does this bogie support?

The standard track gauge is 1435 mm, but other gauges are available on request. Verify the required gauge with the supplier.

What is the maximum axle load capacity?

The maximum axle load is typically between 17 and 25 tonnes. Higher loads require reinforced track and bogie structure. Confirm the exact rating for your application.

What suspension types are available?

The standard suspension is coil spring with hydraulic damper, with air spring optional for higher comfort. The choice depends on the required ride quality and operating conditions.

Data Basis

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

Preliminary Technical Classification

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pressure:	N/A (structural load-bearing component, not pressure vessel)
other spec:	Axle load capacity: 15-35 tonnes typical, Speed rating: up to 350 km/h for high-speed variants, Track gauge compatibility: 1000-1676 mm
temperature:	-40°C to +85°C (operational range for standard materials)

Product Specifications

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