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Swiss railway deploys Mammoth on steep gradient
SustainabilityCHJune 9, 2026Score: 9/10PRO

Swiss railway deploys Mammoth on steep gradient

Signal

Sihltal Zürich Uetliberg Bahn has taken delivery of a Plasser MultiCrafter 12.5 E³ C/I multipurpose infrastructure maintenance machine known as ‘Mammut’ for use on lines S4 and S10.

Impact

positive

The deployment of the Mammoth machine will enhance maintenance efficiency for Sihltal Zürich Uetliberg Bahn, benefiting both operational staff and passengers by ensuring safer and more reliable train services on steep gradients.

Sihltal Zürich Uetliberg Bahn (SZU) has recently enhanced its infrastructure maintenance capabilities with the acquisition of a Plasser MultiCrafter 12.5 E³ C/I multipurpose machine, known as ‘Mammut’. This machine is specifically designed for use on steep gradients, which are characteristic of the lines S4 and S10 in Switzerland.

The Mammoth machine serves multiple functions, including transporting staff, materials, and equipment to various worksites related to track and overhead electrification. This capability is crucial for maintaining the operational integrity of the railway, particularly in challenging terrains where traditional maintenance vehicles may struggle.

With the introduction of the Mammoth, SZU aims to improve the efficiency of its maintenance operations. The machine's loading platform can accommodate heavy machinery and building materials, allowing for quicker and more effective maintenance interventions. This is particularly important for the steep gradients of the S4 and S10 lines, where timely maintenance can prevent service disruptions and enhance safety.

The investment in the Mammoth reflects SZU's commitment to modernizing its fleet and improving service reliability. By streamlining maintenance processes, the railway operator can ensure that trains run smoothly and safely, which is beneficial for both operational staff and passengers.

Overall, the deployment of the Mammoth is a strategic move that positions SZU to better handle the demands of maintaining its infrastructure in a challenging environment. This will likely lead to improved service quality and operational efficiency, ultimately benefiting the railway's customer base.

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