Public Transport Service PTS · digital catalogue
Public Transport Service

One Partner.
End-to-End Rail Solutions.

Maintenance, overhaul, refurbishment, modernisation and market adaptation delivered by one experienced industrial partner.

InnoTrans 2026 · Berlin

Contents

Contents

About PTS · Industrial Capacity

Industrial capacity backed by railway expertise

Public Transport Service (PTS) is a Polish company specialising in the supply, maintenance, repair and modernisation of rolling stock, as well as the development of innovative solutions for the rail industry. We deliver comprehensive maintenance, refurbishment and modernisation solutions for passenger rolling stock. Our engineering expertise, extensive industrial facilities and in-house workshops allow us to manage complex projects from initial assessment to testing and return to operation.

Over 500 qualified specialists
A 48-hectare maintenance and service facility
More than 8 km of railway tracks
Modern workshop and maintenance infrastructure
About PTS · Facilities & Expertise

Modern Facilities

For years, we have supported the development of rail transport by delivering solutions that enhance the reliability, safety and operational efficiency of rolling stock. We combine technical expertise, industry experience and advanced technologies to meet the challenges of today's railway and urban transit markets.

Our modern maintenance facilities and in-house machinery fleet enable us to deliver complex rolling stock maintenance, overhaul and modernisation projects with full control over quality, schedules and execution.

1 / 17
About PTS · Facilities & Expertise

Bogie workshop

  • bogie overhauls and modernisation
  • wheelset maintenance and servicing
  • dedicated machinery and specialised workstations

Mechanical workshop

  • machining, repair, and refurbishment of components
  • assembly workstations
  • structural repairs and fabrication works

Electrical workshop

  • diagnostics and troubleshooting
  • repair and modernisation of electrical installations
  • control systems and TCMS integration

HVAC workshop

  • maintenance inspections
  • repairs
  • modernisation of HVAC units and air-conditioning systems

Body and corrosion protection

  • structural repairs
  • surface preparation
  • anti-corrosion protection
  • painting and coating services

Testing infrastructure

  • static and dynamic testing
  • system diagnostics
  • validation of completed maintenance and modernisation works
About PTS · Quality & Delivery Assurance

Quality and Delivery Assurance

Certified Processes. Reliable Project Execution.

We operate in accordance with the highest standards applicable to the railway industry. Our certifications and approvals confirm the quality of our services, the safety of our operations, our commitment to environmental responsibility, information security, business continuity, and compliance throughout the entire project lifecycle.

As a member of the IQNet international network of certification bodies, the certification of our management systems is globally recognised and demonstrates compliance with internationally accepted standards.

IRIS IQNet ISO 9001 ISO 14001 ISO 27001 ISO 22301 MMS EN 15085 POLREGIO
Service Portfolio · 1. Maintenance, Overhaul & Modernisation

Rolling Stock Maintenance, Overhaul and Modernisation

Comprehensive maintenance, overhaul and refurbishment services for rolling stock.

  • Trains
  • Locomotives
  • Trams
  • Coaches

Main components covered

Service Portfolio · 1. Maintenance, Overhaul & Modernisation

Scope

  • P1-P2: routine and scheduled maintenance inspections
  • P3: extended maintenance inspections and component overhaul works
  • P4: scheduled overhauls of vehicles and bogies
  • P5: major overhauls and vehicle refurbishment
  • diagnostics and condition assessment
  • disassembly and technical inspection
  • carbody and structural repairs
  • corrosion treatment and repainting
  • electrical and pneumatic system testing
  • static and dynamic testing

Reference Projects

EN64 Electric Multiple Unit

Koleje Małopolskie

P4 overhaul performed in accordance with the vehicle Maintenance System Documentation (DSU).

27WE Electric Multiple Unit

SKM Warszawa (Warsaw Urban Railway)

P5 overhaul in accordance with the Maintenance System Documentation (DSU).

Explore more reference projects
Service Portfolio · 2. Rolling Stock Supply

Rolling Stock Ready for Its Next Life

Proven rolling stock can continue to create value. We welcome projects focused on extending the value of proven rolling stock through technical assessment, refurbishment, modernisation, market-specific adaptation, and preparation for new operational environments, operators and new routes.

DMUs
EMUs
Passenger coaches
Double-deck rolling stock
Tram vehicles
Selected locomotives
Service Portfolio · 2. Rolling Stock Supply

Key Areas of Modernisation

  • control and diagnostic systems
  • TCMS (Train Control and Monitoring System)
  • passenger information systems
  • Wi-Fi, CCTV and USB charging facilities
  • passenger interiors
  • driver's cabs
  • HVAC systems
  • energy efficiency improvements
  • LED lighting
  • structural upgrades and corrosion protection
  • documentation, testing and certification
Modernised Lint 41
Service Portfolio · 2. Rolling Stock Supply

Stages from assessment to operation

  1. Assessment of the vehicle's technical condition and evaluation of its remaining service life potential.
  2. Requirements analysis, preparation of technical documentation, and definition of the scope of modifications.
  3. Scheduled maintenance, repairs, component replacement, and vehicle modernisation.
  4. Technical, functional and documentation adaptation to the requirements of the target market.
  5. Static and dynamic testing, validation, and support for vehicle authorisation and certification.
  6. Commissioning, warranty coverage, and long-term in-service support.
Service Portfolio · 2. Rolling Stock Supply

Lint 41 Polish designation: SA142

A Rolling Stock Transformation Story

before
after
Service Portfolio · 2. Rolling Stock Supply

From existing vehicle to renewed operational value.

Comprehensive inspection and refurbishment of all vehicle systems and components, including:

  • Complete overhaul of the power pack and transmission
  • Refurbishment of bogies and wheelsets
  • Overhaul of the braking system
  • Overhaul of the HVAC (air conditioning) system
  • Application of a new exterior livery in the Customer's specified colour scheme
  • Installation of new seat upholstery according to the Customer's requirements
  • Upgrade of the onboard passenger communication and public address systems, including new loudspeakers
  • Installation of onboard Wi-Fi and wireless internet connectivity
  • Installation of the RGS cybersecurity monitoring and protection solution
  • Delivery of complete vehicle documentation, including Maintenance System Documentation (DSU)
Service Portfolio · 2. Rolling Stock Supply

ATR220 Polish designation: SA136-ATR

A Rolling Stock Transformation Story

before
after
Service Portfolio · 2. Rolling Stock Supply

From existing vehicle to renewed operational value.

We performed a comprehensive inspection, verification and refurbishment of all vehicle systems and components, including:

  • General overhaul of the power pack and transmission system
  • Refurbishment of bogies and wheelsets
  • Overhaul of the braking system
  • Overhaul of the HVAC (Heating, Ventilation and Air Conditioning) system
  • Repainting of the vehicle in the Customer's specified livery
  • Renewal of seat upholstery in accordance with the Customer's approved design
  • Replacement of the onboard passenger information and public address systems, including speakers
  • Retrofit of a Wi-Fi system providing wireless Internet access
Service Portfolio · 3. Component Repair & Spare Parts Supply

Component Repair Services and Spare Parts and Components Supply

We provide specialist repair, overhaul and refurbishment services for key rolling stock components, restoring their performance, reliability and service life.

In addition to component repair and overhaul, we supply new spare parts and components for railway and urban transit operators. Our offering supports preventive maintenance, overhauls, modernisation programmes and long-term fleet reliability.

We work with qualified manufacturers and approved suppliers to ensure quality, availability and full compliance with railway industry requirements.

  • Trains
  • Locomotives
  • Trams
  • Coaches

Key Areas

  • Bogies
  • Wheelsets
  • HVAC Systems
  • Traction Systems
Service Portfolio · 4. Cybersecurity

Cybersecurity

We support railway operators and rolling stock owners in building resilience against cyber threats. We offer:

  • RailGuard Sentinel - a cybersecurity monitoring and onboard system protection solution for railway vehicles
  • IEC 62443 Compliance Assessments
  • Cyber Resilience Act (CRA) Compliance Implementation
  • Compliance Assessment under the National Cybersecurity System Act
Learn more about our cybersecurity solutions

RailGuard Sentinel was developed as part of a joint research and development project between PTS and the Faculty of Electrical and Computer Engineering of the Cracow University of Technology, Poland.

Public Transport Service17
Partnership Offer

Let's Discuss Your Fleet Plans

I Need Maintenance or Overhaul For operators planning P1-P5 maintenance inspections, repairs or overhauls.
I Am Planning a Modernisation For rolling stock owners preparing a modernisation project, vehicle repurposing programme or adaptation to new operational requirements.
I Manage Rolling Stock with Further Operational Potential For owners, lessors and asset managers with vehicles that can be refurbished, repurposed and returned to service.

Contact form

The button opens a ready-to-send e-mail in your mail application - specifications or photos can be attached there.

Contact

Your next rolling stock project can start here

PTS supports rolling stock projects throughout the entire operational lifecycle. From technical assessment and refurbishment to modernisation, market adaptation and return to service, we help operators and owners unlock the full value of their assets.

Let's discuss a project