Technology defined by the application
中文 
RAIL VEHICLES · MAINTENANCE EQUIPMENT · ENGINEERING
Precision engineering.
Built for reliability.
Bernhard China Co., Ltd. provides engineering, manufacturing integration and lifecycle support for rail vehicles, track maintenance equipment and key systems.
Explore products & solutionsABOUT
BERNHARD CHINA
01 — ABOUT BERNHARD CHINA
Engineering at the core.
Reliability at every stage.
Bernhard China Co., Ltd., based in Kunshan, Jiangsu, serves the rail maintenance and engineering-equipment sector. We connect requirements analysis, design, manufacturing integration, validation and operational support into a complete delivery chain.
We balance manufacturability, operability and maintainability. The goal is not simply to deliver equipment, but to create solutions that fit the worksite, integrate into operations and retain value over time.
Systems aligned around the task
Long-term equipment availability
02 — PRODUCT CATALOGUE
Products by application
The website now presents 17 products across four families: grinding and milling, Track Monitoring System, track work tools, and rail handling. Equipment can be adapted to project requirements; final specifications are governed by agreed technical documents.
Product families
Four specialist families for essential rail-maintenance work.

Grinding & milling equipment
Rail-profile recovery, surface-defect treatment, turnout-edge milling and weld finishing.

Track Monitoring System
3D laser, machine-vision and intelligent-analysis systems for track, turnout, clearance and tunnel inspection.

Track work tools
Equipment for ballasted-track tamping, rail cutting and controlled fastener torque.

Rail handling & transport
Long-rail lifting, transverse movement, rail replacement and worksite material transport.
Grinding & milling equipment
Rail-profile recovery, surface-defect treatment, turnout-edge milling and weld finishing.

Compact Grinding Vehicle
BHT 170
A compact vehicle for mainline, turnout and grooved-rail grinding across railway and metro networks.
View features & specifications
Key features
- Mainline, turnout and grooved-rail grinding
- Visual automatic control with up to 100 stored grinding modes
- Safety warnings, GSM remote control and dust-sealed motor protection
- Grinding speed
- 5-12 km/h
- Rotational speed
- Variable, up to 6000 rpm
- Power
- 11 kW / 15 kW
- Maximum weight
- 3050 (+2520) kg
- Dimensions (L×W×H)
- 3754 (7350) × 1930 × 1920 mm

Battery Vertical Rail Grinder
BHT E138
Full-profile grinding for rails and turnouts, with wheel angle and profile range configurable to local requirements.
View features & specifications
Key features
- Full-profile rail and turnout grinding
- Configurable bidirectional wheel angle and grinding range
- Stable wheel locking for precision corrugation treatment
- Order numbers
- 900600015 / 900100024 / 900100023
- Drive
- 3 kW / 5 kW / 10 kW motor
- Voltage
- 48 V / 60 V
- Battery
- 55 Ah / 120 Ah / 135 Ah
- Speed
- 3000 rpm / 3800 rpm
- Grinding range
- -20° to 80° / -30° to 90°
- Weight
- Approx. 110 kg / 120 kg
- Dimensions
- 2070 × 1170 × 1030 mm

Battery CNC Precision Rail Grinder
BHT E130
CNC precision grinding designed to improve coverage at the target rail-head position and maintain stable tracking.
View features & specifications
Key features
- Improved grinding coverage at the target rail-head position
- Ergonomic guide handle and optimised infeed handwheel
- Extended grinding travel with rail-following guide wheels
- Voltage
- 60 V
- Motor power
- 5 kW / 10 kW
- Battery
- 80 Ah / 120 Ah
- Control system
- Electronic controller
- Equipment weight
- 80 kg

Battery Belt Rail Grinder
BHT E170
High-output belt grinding for rail and turnout top-surface fatigue, new-rail rust removal and corrugation treatment.
View features & specifications
Key features
- Treats top-surface fatigue on rails and turnouts
- Rapid rust removal on new rail
- Stable output for precision corrugation work
- Order numbers
- 900600016 / 900100071 / 900600017
- Drive
- 3 kW / 5 kW / 10 kW motor
- Voltage
- 48 V / 60 V
- Battery
- 55 Ah / 120 Ah / 135 Ah
- Speed
- 3000 rpm / 3800 rpm
- Weight
- Approx. 110 kg / 115 kg
- Dimensions
- 2070 × 1170 × 1030 mm

Battery Turnout Milling & Grinding Machine
BHT E132
Designed for long-distance side milling of rails and turnouts, particularly for removing rail-edge flow.
View features & specifications
Key features
- Long-distance side milling for rails and turnouts
- Splits into two sections for transport and storage
- Manual height adjustment with self-locking and an open working frame
- Voltage
- 60 V
- Motor power
- 5 kW / 10 kW
- Battery
- 80 Ah / 120 Ah
- Grinding stone
- 260 mm
- Equipment weight
- ≤110 kg

Multifunction Portable Rail Grinder
BHT E131
A multifunction platform for profile, corrugation and wing-rail work, available in battery, petrol and AC versions.
View features & specifications
Key features
- Rail-profile recovery and weld-joint grinding
- Compact structure, upright operation and precise infeed control
- Clear bilateral view with LED work lighting
- Battery BHT E131
- DC 60 V / 5 kW
- Petrol BHT 131
- 4-stroke 5 kW / 2-stroke 5 kW / 4-stroke 8 kW
- Electric BHT L131
- 380 V / 3 kW AC motor
- Cup wheels
- 125 mm / 150 mm
Track Monitoring System
3D laser, machine-vision and intelligent-analysis systems for track, turnout, clearance and tunnel inspection.

Track Monitoring System
Fastener Inspection Device
Automated 3D laser inspection of fastening systems with defect alarms, visualised results and statistical reporting.
View features & specifications
Key features
- Measures fastening condition, elastic-clip gap, baseplate thickness and key spatial relationships
- Modular detachable structure, approximately 30 kg, for two-person field operation
- Real-time display, defect alarms, automatic calibration and report generation
- Technology
- 3D laser scanning
- Measurements
- Fastener condition, clip gap, baseplate thickness, position and clearance
- Equipment weight
- Approx. 30 kg
- Operation
- Two-person field operation
- Outputs
- 3D results, alarms, statistics and reports

Track Monitoring System
Intelligent Turnout Inspection System
Structured-light laser, inertial navigation and HD imaging capture synchronised turnout point clouds, images and attitude data.
View features & specifications
Key features
- Measures turnout structure, track geometry, tight-contact gaps, rail profile, fasteners and sleepers
- Dynamic automatic inspection in less than 15 minutes per turnout
- Parameter accuracy up to 0.2 mm and structural-component defect recognition up to 99%
- Technology
- Structured-light laser, IMU and HD image fusion
- Rail-profile accuracy
- ±0.2 mm
- Gauge / superelevation
- ±0.30 mm
- Inspection speed
- 0-10 km/h
- Operating time
- >4 hours
- Inspection time per turnout
- <15 minutes

Track Monitoring System
Comprehensive Track Condition Inspection Device
A high-precision, non-contact platform for simultaneous assessment of fasteners, track geometry, rail profile, wear and surface defects.
View features & specifications
Key features
- Integrated structured-light laser, GNSS, IMU and synchronised control
- Dynamic automatic inspection at up to 10 km/h
- Automatic result tables, classified statistics and trend-analysis reports
- Gauge / superelevation
- ±0.30 mm
- Twist
- ±0.50 mm
- Vertical alignment / track direction
- ±0.70 mm (10 m)
- Rail-profile accuracy
- ±0.10 mm
- Rail wear
- ±0.20 mm
- Operating time / speed
- >4 hours / 0-10 km/h

Track Monitoring System
High-Speed Track Condition Inspection Device
A high-speed machine-vision system that captures 4K track imagery in motion and identifies rail, fastener and sleeper defects.
View features & specifications
Key features
- High-precision area-array image sensing with automatic defect identification
- 1 mm transverse and longitudinal resolution with 4K imagery
- Mountable on a trolley, electric platform or track vehicle for inspection at up to 80 km/h
- Technology
- High-precision area-array machine vision
- Image specification
- 4K
- Transverse / longitudinal resolution
- 1 mm
- Maximum inspection speed
- 80 km/h
- Targets
- Rail surface, fasteners, sleepers and ballast bed
- Outputs
- Defect records, classified statistics and trend analysis

Track Monitoring System
Railway Track Cross-Section Measurement Device
Mobile 3D laser scanning continuously captures track cross-section point clouds for clearance, OCS and ballast-profile measurement.
View features & specifications
Key features
- Bridge and tunnel clearance, line clearance, OCS and track-bed cross-section measurement
- Full cross-section scene reconstruction with automatic parameter extraction
- Ballast profiles, models and volume statistics
- Technology
- High-precision mobile 3D laser scanning
- Maximum scanning speed
- 15 km/h
- Measurement accuracy
- Up to 2 mm
- Measurements
- Bridge/tunnel clearance, line clearance, OCS and ballast cross-section
- Outputs
- Point clouds, profiles, models and volume statistics

Track Monitoring System
Tunnel Lining Defect Inspection System
3D point-cloud and intelligent analysis for tunnel-lining cracks, spalling and water leakage, with located defect records.
View features & specifications
Key features
- Identifies lining cracks, spalling and water-leakage defects
- Analyses point-cloud depth and grayscale maps with intelligent algorithms
- Records mileage, location, dimensions, area and severity, with clearance analysis
- Data
- 3D point clouds, depth maps and grayscale maps
- Analysis
- Intelligent assisted defect recognition
- Defect types
- Cracking, spalling and water leakage
- Location
- Mileage and defect position
- Outputs
- Defect tables, statistics and clearance reports
Track work tools
Equipment for ballasted-track tamping, rail cutting and controlled fastener torque.

Petrol Vibration Tamper
BHT 168/169
Tube and blade configurations for tamping ballasted track, wide sleepers and turnout sections.
View features & specifications
Key features
- Four-stroke engine with tube or blade tamping head
- Three-stage vibration isolation and low-level exhaust
- Ergonomic, robust construction
- Tube head
- 16 cm diameter
- Blade head
- 9 cm
- Tamping-head weight
- 1.5 kg
- Machine weight
- 17 kg

Battery Rail Saw
BHT E128
A battery rail saw with separated battery, brushless DC drive, real-time battery information and protected starting.
View features & specifications
Key features
- LCD display for voltage, charge, temperature and discharge current
- Battery separated from the main machine during operation
- Safety lock on the cutting-start switch
- Power
- Battery
- Motor
- Brushless DC
- Battery data
- Real-time LCD display
- Safety
- Protected cutting-start switch

High-precision Battery Torque Wrench
BHT 228
A modular single- or twin-head torque system for handheld work or trolley-mounted twin-head operation.
View features & specifications
Key features
- Preset torque with automatic stop at target
- Digital display of real-time torque
- Handheld single-head and trolley-mounted twin-head modes
- Maximum torque
- 2500 N·m
- Battery
- 36 V / 6 Ah / 1.8 kg
- Main trolley frame
- 17.2 kg
- Support rod
- 6 kg
- Single-head unit
- 15.7 kg
- Total equipment weight
- ≤55 kg
Rail handling & transport
Long-rail lifting, transverse movement, rail replacement and worksite material transport.

Transverse Rail Lifting Device
BHT 430
A steel-framed system for transverse lifting and moving long rail, spanning both rails for curve-section replacement work.
View features & specifications
Key features
- Transverse lifting and transport of long rail
- Spans both rails for left-right exchange on curves
- Two optional lifting and traversing mechanisms
- Rack-type mechanism
- Maximum load 1.5 t
- Chain-type mechanism
- Maximum load 2 t
- Balance trolley
- 4.9 kg
- Roller hook
- 6 kg

Flatbed Transport Trolley
BHT 510
A lightweight aluminium rail trolley for material transport, combining drainage, grip, insulation, braking and quick handling.
View features & specifications
Key features
- Perforated aluminium deck resists water, dust and slipping
- Lever-operated braking with easy disassembly and storage
- Rare-earth nylon insulated wheels for flexible, quiet running
- Payload
- 1 t
- Trolley weight
- 30 kg
- Applicable rail
- 60 kg/m
- Dimensions
- 1700 × 660 × 180 mm
- Braking
- Lever pressure brake / hand brake
INSPECTION REPORTS
Inspection reports built around measurable results.
Each report is separated into individual charts, interfaces and data tables for direct client review. Open any result for the high-resolution image.
FASTENER CONDITION
Fastener Condition Analysis
3D fastener results, elastic-clip gap statistics and baseplate trends are separated for direct review and comparison.

Multi-cycle fastener comparison
Compares component condition and missing parts between inspection cycles.

Elastic-clip gap cycle statistics
Compares gap changes by section for the current and previous cycle.

Elastic-clip gap variation
Shows continuous gap variation and abnormal peaks along the line.

Fastener condition summary
Summarises fastener condition with a statistical table and distribution chart.

Mileage-segment statistics
Shows condition ratios by mileage segment to support maintenance planning.

Baseplate thickness trend
Tracks left- and right-rail baseplate thickness along the line.
RAIL PROFILE
Rail Profile Measurement
Measured profiles, design profiles and continuous variation are presented separately for clearer wear and grinding assessment.
RAIL DEFECTS
Rail Defect & Wear Analysis
Rail results are organised into acquisition, point-cloud verification, surface trend and high-wear records.

Continuous rail-profile acquisition
Displays left- and right-rail point clouds, profiles and wear data in real time.

Rail-surface variation trend
Presents continuous surface condition as a three-dimensional trend chart.

Point-cloud defect verification
Links the defect position in the 3D point cloud to the photographed rail surface.

High-wear section record
Lists lateral, vertical and total wear for both rails by mileage.
TRACK GEOMETRY
Track Geometry Analysis
Regional profiles, geometry curves, detailed records and repeatability results are presented as separate outputs.
BALLAST VOLUME
Ballast Volume Statistics
The ballast cross-section interface and unloading plan are enlarged as two independent results.
DEFECT RECORDS
Automated Defect Records
Rail-surface defects and track-slab cracks are separated into two independently readable record tables.
03 — FIELD APPLICATION
The worksite is the final measure of engineering.
From precision grinding to intelligent inspection, equipment must perform within tight possessions, complex track conditions and real maintenance operations.

Precision rail grinding
Field grinding brings profile control, equipment stability and operator usability together.

Intelligent track inspection
3D laser and machine-vision systems turn field acquisition into traceable maintenance data.

04 — ENGINEERING & MANUFACTURING
Every engineering decision made
manufacturable, testable and maintainable.
Requirements & site analysis
Translate track conditions, work windows, target outcomes and maintenance constraints into clear engineering boundaries.
System & structural design
Coordinate equipment layout, vehicle structure, interfaces and manufacturability across function, space and maintenance.
Mechatronic integration
Integrate power, hydraulics, electrics, controls and safety logic around the operational objective.
Manufacturing & assembly
Connect design and production through controlled documentation, processes and in-process inspection.
Testing & validation
Validate function, performance, reliability and site fit in stages, with traceable delivery evidence.
Documentation & training
Support operation, maintenance and spare-parts planning with structured technical information and training.
05 — APPLICATIONS
The right equipment answer for each railway context.
Urban rail transit
Support intensive metro and light-rail operations where work-window efficiency, equipment envelope and coordination matter.
Mainline & regional rail
Address longer work sections and diverse track conditions with sustained performance, reliability and transfer capability.
Depots & workshops
Purpose-built equipment and integration support for maintenance, inspection, transfer and workshop process organisation.
Modernisation & refurbishment
Condition assessment, functional recovery, system replacement and upgrades that extend the service value of existing assets.
06 — PROJECT DELIVERY
A clear, collaborative
and traceable delivery path.
Project alignment
Define the task, track context, schedule and scope
Concept definition
Establish the system concept, interfaces and risks
Detailed engineering
Complete structural, system and technical design
Manufacturing integration
Production, assembly and process quality control
Testing & acceptance
Functional validation, close-out and delivery readiness
Operational support
Training, spares, maintenance and upgrade coordination
LIFECYCLE SUPPORT
Support continues after delivery.
Technical consultation, maintenance coordination, spares and consumables, upgrades and refurbishment help keep equipment dependable and available.
Technical support
Fault analysis, operating guidance and documentation
Spares & consumables
Key components, special tools and wear materials
Maintenance support
Planned maintenance, inspection advice and repair
Modernisation
Functional recovery, system replacement and controls upgrades
QUALITY APPROACH
Reliability is not a claim.
It is a way of working.
Requirements reviews, design checks, interface management, process inspection, staged testing and controlled delivery documentation embed quality throughout the project. Project-specific performance, standards and acceptance criteria are governed by agreed technical documents.
07 — FAQ
Common project questions
01Do you support custom engineering?+
Yes. Projects begin with track conditions, operational objectives and existing interfaces to define the right degree of customisation.
02What can the delivery scope include?+
Depending on the project: vehicle and equipment design, key-system integration, manufacturing, assembly, validation, documentation and delivery support.
03Can existing equipment be upgraded?+
Existing assets can be assessed for functional recovery, key-system replacement, controls modernisation and maintainability improvement.
04What should an initial enquiry include?+
Track type, intended operation, technical boundaries, site conditions, target schedule and applicable standards or interface documents.
08 — CONTACT
A stronger rail project
starts with a clear requirement.
Talk to Bernhard China about vehicles, equipment, key systems, spares or modernisation requirements.








