Ends in 4 weeks
Engineering Vehicles - Maintenance & Support Services
Transport for London · London · 10-month contract
Held by Specialist Engineering Services Limited
On track plant tenders and contracts
UK public sector, covering 600+ buyer sites
190 on track plant tenders and contracts, 96 this year.
Updated 4 November 2026 · compiled by BidSkim Limited · How we count
- Awarded a month£2.8m
- Contracts a month1.5
- Won by SMEs56%
- Renewing in 6 months1
- Frameworks and DPSs1
- Live now4See them →
On track plant contracts
Tap a region to see its contracts. Pick as many as you like.
How many on track plant contracts do keyword alerts miss?
In the last year, an "on track plant" alert would have missed 20 of 20 on track plant contracts (100%) and an expert list of 14 phrases 11 (55%). How we measured this
Keyword alert"on track plant"
100% missed
20 of 20
Expert list14 phrases
55% missed
11 of 20
Expert list: on track plant, on-track machine, otm, engineering train, road rail vehicle, road rail, rail crane, ballast regulator, ballast cleaner, rail delivery train, road rail mewp, track machine, tamper, rail plant
BidSkim reads every notice in full and matches the work, not the words.See what BidSkim finds for you
35 contracts across the UK, of any size
Live now
4 on track plant opportunities are open now
- Pre-market2 Nov 2026NEX26/48 Ballast Tamper MaintenanceTyne and Wear Passenger Transport Executive T/A Nexus · North East
- Pre-market2 Nov 2026UK2 - Preliminary Market Engagement Notice RDFNetwork Rail Infrastructure LimitedEst.£130m
- OpenCloses in 4 weeksSYMCA Market Test - Road-Rail VehiclesSouth Yorkshire Mayoral Combined Authority · Yorkshire and the HumberEst.£1m
- OpenCloses in 2 weeksRail HaulageNetwork Rail Infrastructure Limited · LondonEst.£950m
- Awarded12 Oct 2026Original Equipment Manufacturer Spares, Technical Support and TrainingTransport for London · LondonWon by TECHNE KIROW GmbH£1.7m
- Awarded15 Sep 2026P-3477 Ballast Regulator – Brush Box and Dust Suppression SystemTranslink · Northern IrelandWon by Plasser UK Limited£371k
- Awarded24 Aug 2026Engineering Vehicles (EV) - Heavy Overhaul of London Underground Switch Tilter (LUST) WagonsTransport for London · LondonWon by Clarke Chapman Facilities Management Limited£1.8m
- Awarded21 Aug 2026P-3372 Supply of Road Rail Recovery VehicleTranslink · Northern IrelandWon by Allan J Hargreaves Plant Engineers Limited£810k
- Awarded5 Aug 2026New Generation Road Rail MEWPs (Type D) Vehicles 2 - 4 – Western RouteNetwork Rail Infrastructure Limited£2.5m
- Awarded25 Jun 2026UK4 - OTM Conveyor Maintenance & SparesNetwork Rail Infrastructure Limited · LondonWon by BREC Ltd£785k
- Awarded13 May 2026Transparency Notice - Technical Support ServicesNetwork Rail Infrastructure LimitedWon by Loram UK and 1 more£1.4m
- Awarded7 May 2026Provision of Engineering Trains, On Track Machines and Associated Services for CVL WorksTransport for Wales · WalesWon by Network Rail Infrastructure Limited£5m
- Awarded6 May 2026Road Rail Vehicle ReplacementNexus (Tyne and Wear Passenger Transport Executive) · North EastWon by Fitzgerald Plant Services Limited£618k
- Awarded8 Apr 2026Rail Replacement SystemNetwork Rail High Speed Ltd · LondonWon by Geismar Rail Industry Technologies & Services SAS
- Awarded2 Apr 2026Eastern Region RRV ReplacementNetwork Rail Infrastructure Limited · LondonWon by Allan J Hargreaves Plant Engineers Limited£12.5m
- Awarded12 Feb 2026DISAB TubeVac OverhaulTransport for London · LondonWon by Disab UK Limited£1.4m
- Awarded2 Feb 2026Engineering Vehicles - Maintenance & Support ServicesTransport for London · LondonWon by Specialist Engineering Services Limited£768k
- Awarded29 Jan 2026Supply, Repair and Overhaul of Cattron Remote Controller Units and Associated ComponentsNetwork Rail Infrastructure Limited · London£1.7m
- Awarded1 Dec 2025Network Rail High Speed - Operation and Maintenance of Rail PlantNetwork Rail High Speed Ltd · South EastWon by Balfour Beatty£37.4m
- Awarded30 Sep 2025Provision of use of MFS+/UMH Plant.Network Rail Infrastructure Limited · South WestWon by Rhomberg Sersa£3.8m
- Awarded8 Sep 2025Maintenance of the New Measurement Train (NMT)Network Rail Infrastructure LimitedWon by Colas Rail Ltd£8.5m
- Awarded5 Sep 2025Hire of McCulloch Unimog, Trailer System and Track Rail Transporter (TRT)Transport for London · LondonWon by McCulloch Group£950k
- Awarded1 Sep 2025Purchase of used rail grinderNexus (Tyne and Wear Passenger Transport Executive) · North EastWon by Harsco Rail Limited£1.2m
- Awarded29 Jul 2025Supply of Drawgears for Engineering VehiclesTransport for London · LondonWon by William Cook Rail Limited£567k
- Awarded18 Jun 2025P-3155 C1301 MPV Asset RenewalTranslink · Northern IrelandWon by Windhoff£1.5m
- Awarded18 Mar 2025P-3076 Smart ALC System ReplacementTranslink · Northern IrelandWon by Plasser UK Limited£300k
Where to bid
Where on track plant tenders are run
- BravoSolution3 33%
- CompeteFor2 22%
Open (NEPO)2 22%
ProContract1 11%- SAP Ariba1 11%
Tenders published in the last year that name the bid portal they run on.
Colas Rail Ltd won the most on track plant contracts
It also won the most by value. Each dot is one contract, coloured by who bought it.
Transport and utilities
| Rank | Contractor | Contracts won, by buyer | Contracts | Value won | Buyers | Share |
|---|---|---|---|---|---|---|
| 1 | Colas Rail Ltd London · See every contract | 5 | £386m | 2 | ||
| 2joint | Balfour Beatty South East · See every contract | 2 | £72.3m | 2 | ||
| 2joint | Harsco Rail Limited North East · See every contract | 2 | £46.6m | 2 | ||
| 2joint | Allan J Hargreaves Plant Engineers Limited London · SME · See every contract | 2 | £13.3m | 2 | ||
| 2joint | William Cook Rail Limited London · See every contract | 2 | £2.8m | 1 | ||
| 2joint | Plasser UK Limited Northern Ireland · See every contract | 2 | £371k | 1 | ||
| 7joint | GB Railfreight Limited | 1 | £35m | 1 | ||
| 7joint | NRL Limited | 1 | £15.6m | 1 | ||
| 7joint | VolkerRail Specialist Businesses Ltd | 1 | £5.4m | 1 | ||
| 7joint | Network Rail Infrastructure Limited Wales · See every contract | 1 | £5m | 1 |
17 more on track plant contractors ranked. See the full ranking →
Win on track plant contracts? Share your ranking.
Who buys
Transport and utility bodies award 100% of on track plant contracts
Contracts with a published value in the last 2 years, from the type of buyer to the size of the contract.
5 buyers bought on track plant more than once in the last 2 years
Each dot is a buyer, by how many on track plant contracts it awarded in the last 2 years.
See who they are and when they usually buy →
Few and big, or many and small
Each dot is a buyer: how many on track plant contracts it awarded against what they were worth. The busiest and biggest are named.
Transport and utilities
Top buyers by contracts awarded
| Rank | Buyer | Contracts | Value |
|---|---|---|---|
| 1 | Transport for London | 14 | £47.4m |
| 2 | Network Rail Infrastructure Limited | 10 | £528m |
| 3 | Translink | 5 | £3m |
| 4 | Network Rail High Speed Ltd | 2 | £37.4m |
| 5 | Nexus (Tyne and Wear Passenger Transport Executive) | 2 | £1.9m |
| 6 | Transport for Wales | 1 | £5m |
| 7 | HS2 | 1 | Not published |
52 on track plant contracts awarded since 2021
- 62021
- 42022
- 52023
- 22024
- 192025
- 162026 so far
Prices
Half of on track plant contracts are worth less than £1.7m
Transport and utilities
The 10 biggest on track plant contracts
- Network Rail Infrastructure LimitedColas Rail Ltd · 28 Jan 2025
- Network Rail Infrastructure LimitedHarsco Rail Limited, Colas Rail Ltd, VolkerRail Specialist Businesses Ltd, NRL Limited · 27 Jan 2026
- Network Rail Infrastructure LimitedBalfour Beatty, Colas Rail Ltd, GB Railfreight Limited · 8 Apr 2025
- Network Rail High Speed LtdBalfour Beatty · 1 Dec 2025
- Transport for LondonWinner not published · 20 Jun 2025
- Transport for LondonColas Rail Ltd · 7 May 2025
- Network Rail Infrastructure LimitedAllan J Hargreaves Plant Engineers Limited · 2 Apr 2026
- Network Rail Infrastructure LimitedColas Rail Ltd · 8 Sep 2025
- Transport for WalesNetwork Rail Infrastructure Limited · 7 May 2026
- Network Rail Infrastructure LimitedRhomberg Sersa · 30 Sep 2025
Renewing contracts
3 on track plant contracts come up for renewal in the next 12 months
1 in the next 6 months. The 3 ending soonest are shown in full.
Ends Jun 2027
Provision of use of MFS+/UMH Plant.
Network Rail Infrastructure Limited · South West
Held by Rhomberg Sersa
Ends Sep 2027
Maintenance of the New Measurement Train (NMT)
Network Rail Infrastructure Limited
Held by Colas Rail Ltd
Where and when
London awards the most on track plant contracts. May and September are the busiest months.
Contracts by region and by month awarded. Click a region to filter the page.
FewerMore contracts
The regions as a table
| Region | Open now | Contracts | Value | Typical contract | Won the most | Bought the most | Renewing in 12 months |
|---|---|---|---|---|---|---|---|
| London | 1 | 18 | £62.4m | £1.7m | William Cook Rail Limited (2) | Transport for London (14) | 1 |
| Northern Ireland | 0 | 4 | £3m | £591k | Plasser UK Limited (2) | Translink (4) | 0 |
| North East | 1 | 2 | £1.9m | – | – | Nexus (Tyne and Wear Passenger Transport Executive) (2) | 0 |
| South East | 0 | 1 | £37.4m | – | – | – | 0 |
| South West | 0 | 1 | £3.8m | – | – | – | 1 |
| Wales | 0 | 1 | £5m | – | – | – | 0 |
| North West | 0 | 0 | Not published | – | – | – | 0 |
| Yorkshire and the Humber | 1 | 0 | Not published | – | – | – | 0 |
| East Midlands | 0 | 0 | Not published | – | – | – | 0 |
| West Midlands | 0 | 0 | Not published | – | – | – | 0 |
| East of England | 0 | 0 | Not published | – | – | – | 0 |
| Scotland | 0 | 0 | Not published | – | – | – | 0 |
Often bought with on track plant
Related services
Key findings
- £2.8m a month
of on track plant contracts awarded.
Typical contract £1.7m x 1.7 contracts a month, last 12 months. - 1.5
on track plant contracts are awarded in a typical month.
35 contracts in the last 2 years. - 1
on track plant contract comes up for renewal in the next 6 months.
Recurring contracts with a named supplier and a published end date before 4 May 2027. - 1
framework or DPS is running for on track plant work.
0 open to join now. - 56%
of on track plant contracts are won by SMEs.
As recorded by the buyer, on 18 award notices.
How many on track plant tenders and contracts are there?
| Last 12 months | Since November 2021 | |
|---|---|---|
| Notices published | 96 | 190 |
| Contracts awarded | 20 | 48 |
7 on track plant contracts and frameworks end in the next 12 months, 3 of them recurring services. In the last two years, 7 buyers awarded on track plant contracts to 27 suppliers.
Source: Find a Tender, Contracts Finder, Public Contracts Scotland, Sell2Wales and eTendersNI, to 4 November 2026. By Seamus White. How we count
Questions
How many on track plant contracts does the UK public sector award?
35 in the 2 years to 4 November 2026, from 7 public buyers.
How long are on track plant tenders open for?
The median on track plant tender is open for 29 days from publication to deadline.
How much is a typical public sector on track plant contract worth?
The median is £1.7m, and 0% are worth less than £250k.
Who wins the most public sector on track plant contracts?
Colas Rail Ltd won the most (5), and the most by value (£386m).
Which buyers award the most on track plant contracts?
Transport and utility bodies award 100% of them.
Which part of the UK awards the most on track plant contracts?
London: 18 of 35 in the 2 years to 4 November 2026, then Northern Ireland (4) and the North East (2).
How many on track plant contracts come up for renewal in the next 12 months?
3 contracts end and are likely to be re-let, the first on 1 December 2026. Another 1 ending is one-off work.
What is included
Supply, operation and maintenance of engineering trains, rail delivery trains, ballast cleaners, rail cranes, milling machines and track-panel delivery systems used to maintain the railway.
- Design and build of rail delivery trains
- Ballast cleaning systems with locomotives and wagons
- Battery locomotives for engineering trains
- Operation and maintenance of engineering plant fleets such as rail milling machines and rail cranes
- Bogies, wheelsets and hose assemblies for engineering trains and on-track machines
- Track-panel (points and crossings) delivery systems
- Road-rail trailers for transporting and handling long welded rail
What is not included
- Passenger rolling stock (see Rolling stock supply)
- Haulage of engineering and freight trains by a freight operating company (see Rail freight and engineering train haulage)
- Track renewal and maintenance works (see Railway track and civils)
- Lineside vegetation management (see Vegetation management)