specifications

Plasser & Theurer USP 4000 S – Powerful Universal Ballast Regulator

The Plasser & Theurer USP 4000 S is a robust and highly capable ballast regulator, designed to deliver efficient ballast profiling and finishing for both maintenance and track construction projects. Combining a proven machine concept with operator-focused design, it remains a valuable asset for railway infrastructure works.

Commissioned in 1996, this machine has been in continuous operation until autumn 2026, demonstrating its reliability and durability over three decades of service. It is now available for sale as part of a fleet renewal program.

Key Features:

• Central ballast plough for precise ballast distribution.
• Extended shoulder plough (“German version”) for superior ballast profiling along the track shoulders.
• Integrated brush and conveyor system feeding a 5 m³ ballast silo, ensuring efficient ballast recovery and redistribution.
• Dual-cab configuration, providing excellent visibility and operational safety in both travel directions.
• Central bogie design, offering enhanced ride comfort and stability during transit between worksites.

Key Benefits:

• Proven and reliable Plasser & Theurer technology.
• Excellent visibility for safe and efficient operation.
• High productivity for both maintenance and construction applications.
• Comfortable travelling characteristics, reducing operator fatigue.
• Versatile ballast handling capabilities through the integrated brush, conveyor, and silo system.

The USP 4000 S is a powerful and well-proven ballast regulator that continues to offer outstanding performance for contractors and infrastructure managers seeking a cost-effective solution for ballast regulation and track finishing works.

Available immediately following its withdrawal from service in autumn 2026. A great opportunity to acquire a productive and field-proven machine with many years of operational potential ahead.