mobile-menu mobile-menu-arrow Menu

Diversified fleet

Our rangeĀ of machines enable efficient delivery on all track types.


Unimat 09-4×4/4S Dynamic

Additional information:

  • Continuous action tamping for plain line track and turnouts
  • Continuous treatment of turnouts using three rail lifting and four rail tamping
  • Four independent tamping units with a total of 16 tamping tines
  • Integrated track stabilising unit
  • The outer tamping units on each side are positioned on telescopic jibs and can be extended for tamping the fourth rail
  • Lifting and lining unit with hooks and roller clamps
  • ALC Automatic Guiding Computer
  • DRP-8 Channel recorder
Operating range: Continuous action tamping machine for track and turnouts, including stabilising unit.
Manufacturer: Plasser & Theurer
Type: Unimat 09-4x4/4S
Date of manufacture: 2013 / 2016 / 2 x 2020 / 2 x 2021
Projects/Contracts/Case Studies involving this machine:

« Back

Technical Data

Weight: 166 tonnes
Length: 39.54 m
Width: 2.77 m
Height: 3.90 m
Total engine output: 653 kW
Hourly rating: 900 m/h
Number of axles: 10
Maximum speed, self-propelled & towed: 60 mph


Our fleet of on-track machines is the most advanced in the UK, including the latest tamping, ballast management, and crane technologies available.

© 2023 SB Rail | Privacy statement
Web design by Creatomatic