---
title: "Class 170 Rolling Stock Lease"
ocid: "ocds-r6ebe6-0000828419"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-r6ebe6-0000828419"
markdown_url: "https://d3tenders.com/contract/ocds-r6ebe6-0000828419.md"
json_url: "https://d3tenders.com/contract/ocds-r6ebe6-0000828419.json"
source: "Public Contracts Scotland"
current_stage: "Award"
buyer: "SCOTRAIL TRAINS LIMITED"
published: "2026-05-22"
---

# Class 170 Rolling Stock Lease

Buyer: SCOTRAIL TRAINS LIMITED  
Current stage: Award  
OCID: ocds-r6ebe6-0000828419

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## Summary

The procurement process managed by ScotRail Trains Limited concerns the "Class 170 Rolling Stock Lease" within the goods category, specifically targeting rolling stock for railway services. Located in Glasgow and operating under the UKM region, the contract modification follows the Utilities Contracts (Scotland) Regulations 2016. The necessity arose for additional supplies not initially included in the initial procurement. The procurement stage details an active contract as of 27 March 2026, following the award to Porterbrook, with operations spanning from 1 April 2022 to 31 March 2030. This lease modification arose to address ongoing rail operations using diesel trains while exploring technological advancements for future solutions. The lease includes a 10-year extension, with a potential further extension of up to 2 years, given the contract's significant value of £421.7 million.

This procurement modification presents growth opportunities for businesses involved in the supply and servicing of railway rolling stock and associated technologies, particularly those that can offer diesel solutions and technological interoperability within rail networks. Large-scale suppliers like Porterbrook, having established capabilities in these areas, particularly related to specific technical requirements of the rolling stock, are well-suited to compete. Companies focusing on innovations in rail technologies, such as battery systems and network electrification, may find opportunities in future procurement processes driven by ScotRail's commitments to modernization and infrastructure compatibility. This ongoing development emphasizes the strategic importance of aligning services with regulatory and operational requirements to secure expanded roles in future rail projects.

### Lot Information

Lot 1

The Lease is being modified in accordance with regulation 86(1)(b) of the Utilities Contracts (Scotland) Regulations 2016 as additional supplies not included within the original procurement have become necessary, and a change of contractor cannot be made for economic or technical reasons and would cause significant inconvenience or substantial duplication of cost for SRT, because: 1. The modification has become necessary: there is a need to secure the ongoing operation of the Lease, which includes lifeline services in rural and east suburban areas, while SRT carries out a full procurement for an enduring rolling stock solution using emerging technologies (including batteries and network electrification). Diesel trains are the only feasible option for this interim period. 2. A change of contractor cannot be made for economic or technical reasons: this is because: a. the Fleet has specific characteristics and technical features that are designed to interoperate with the rail infrastructure and SRT's other fleets and are required for operation on the East Suburban Lines. For example: i. the Fleet is the only available DMU passenger stock which is fully accepted for operation on these lines and is able to make use of differential speed limits to meet the required journey times; ii. the Fleet has been fitted with Variable Rate Sanding Equipment, funded by the Scottish Targeted Performance Fund, to offer improved braking performance in low adhesion environments and support SRT's safety case; iii. the Fleet is able to maintain technical compatibility with the network (including the CL158 fleet with which it is required to operate interchangeably) and depots, ensuring SRT satisfies the operational requirements stipulated in its Grant Agreement with Scottish Ministers. iv. any alternative Fleet would require an extensive programme of train crew and engineering staff training, incurring significant training which would create significant additional (and disproportionate) training workload at a time when SRT is already engaged in an intensive programme of recruitment for future fleet cascades and new trains; v. Please note a Section 54 agreement has been agreed in relation to the Fleet. b. SRT's analysis has confirmed that there are no alternative available fleets (other than the CL158s that SRT already operates) that contain the necessary technical features and could meet these requirements. In the event that an alternative existing fleet with suitable performance and technical characteristics was available (which in SRT's view is not the case), and that fleet could be adapted to accommodate the necessary technical features, this would result in substantial duplication of cost, significant inconvenience and extra time out of service, which would be disproportionate in the context of an interim solution

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Public Contracts Scotland |
| Latest notice | https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAY556396 |
| Notice type | OJEU - F20 - Modification Notice |
| Procurement type | Standard |
| Procurement category | Goods |
| Procurement method | Not Specified |
| Procurement method details | Not specified |
| Tender suitability | Not specified |
| Awardee scale | Large |
| All stages | Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 22 May 2026 |
| Submission deadline | Not specified |
| Future notice date | Not specified |
| Award date | 27 Mar 2026 |
| Contract period | 1 Apr 2022 - 31 Mar 2030 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | Not specified |
| Lots value | Not specified |
| Awards value | Not specified |
| Contracts value | £421,700,000 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Not specified |
| Lots status | Not specified |
| Awards status | Not specified |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | SCOTRAIL TRAINS LIMITED |
| Locality | GLASGOW |
| Post town | Glasgow |
| Postcode | G2 6HQ |
| Country | Scotland |
| ITL 1 | TLM Scotland |
| ITL 2 | TLM3 West Central Scotland |
| ITL 3 | TLM32 Glasgow City |
| Local authority | Glasgow City |
| Electoral ward | Anderston/City/Yorkhill |
| Westminster constituency | Glasgow North |
| Delivery location | TLM Scotland |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 1 |
| Supplier names | PORTERBROOK |

## CPV Codes

### Divisions

- 34 - Transport equipment and auxiliary products to transportation

### Codes

- 34600000 - Railway and tramway locomotives and rolling stock and associated parts

## Release History

- 22 May 2026 at 00:00 - AwardUpdate - OJEU - F20 - Modification Notice - https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAY556396

## Documents

- https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=MAY556396
  Class 170 Rolling Stock Lease

## Notice URLs

- http://
- https://api.publiccontractsscotland.gov.uk/v1/Notice?id=ocds-r6ebe6-0000828419
- https://www.scotrail.co.uk

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-r6ebe6-0000828419. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-r6ebe6-0000828419.json.