Colas Rail's Plasser & Theurer 08-16/4x4C100-RT Tamper DR73931 "Brian Hill" is seen at Salisbury West End during May 2026. #ontrackplant #tamperTuesday #PlasserAndTheurer #ColasRailUK

Rail Live - the UK's largest rail exhibition - was held at Porterbrook's Long Marston site again during June with nearly 40 machines on display. You can check out a full list of machines and photo gallery at www.ontrackplant.com/reports/rail... #ontrackplant #raillive2026 #raillive

With the Rail Live exhibition happening this week, here's a quick flashback featuring a variety of tampers and other machines on display at past shows. #ontrackplant #tamperTuesday #railLive

one of Network Rails's Windhoff OHL MPVs DR76906 is seen at Swindon Transfer Yard HOOB during May 2026. #ontrackplant #Windhoff #NetworkRail

GrantRail didn't acquire any of the BR Track Renewal or Infrastructure companies during privatisation, but did win some renewal contracts in the late 90s and subsequently ordered a fleet of new Matisa machines in a striking orange & blue livery. #tamperTuesday #ontrackplant #OTPliveries

Colas Rail's Matisa B41UE Tamper DR75407 "Gerry Taylor" sits in the sidings under the motorway at Westerleigh. 17 April 2026. #tamperTuesday #ontrackplant #ColasRailUK

Amey acquired the Western Infrastructure Maintenance Company during 1996 as part of the privatisation process. They purchased some new machines and their livery was yellow with dark blue stripes. There were some variations over the years. #tamperTuesday #ontrackplant #OTPliveries

It looks like the Loram C2101 grinding set (DR79231~79237) will be making its final mainline move on Thursday, working from Barnsley to Chaddesden. This set will be replaced by Loram's new DR79701-79704 machines at the end of May. #ontrackplant #LoramUK www.realtimetrains.co.uk/service/gb-n...

Colas Rail's Plasser & Theurer 08-4x4/4S-RT tamper DR73909 "Saturn" pauses at Crewe whilst working from Warrington Bank Quay to Ditton Reception Sidings. 9 April 2026. #tamperTuesday #ontrackplant #ColasRailUK

After a number of corporate changes AMEC Spie changed their livery in the early 2000s to an attractive light blue with dark blue stripe. #tamperTuesday #ontrackplant #OTPliveries

Can anyone help identify the Geismar Mini 4-4 Trolleys at Leigh on Sea please? www.ontrackplant.com/forum/sighti... #ontrackplant

Swietelsky UK's Plasser & Theurer 08-4x4/4S-RT tamper DR73914 sits in the old Royal Mail platform at Stafford whilst working from & to the nearby sidings, via Shrewsbury. 9 April 2026. #tamperTuesday #ontrackplant

#TrackMachineTuesday Balfour Beatty DR73503 at Leicester Carriage Sidings early 1997.

AMEC acquired the South West Infrastructure Maintenance Company during privatisation in 1996. It did not inherit any of BR's tampers so acquired a fleet of new machines carrying an orange & yellow livery with black stripes. #tamperTuesday #ontrackplant #OTPliveries

Colas Rail's new Plasser & Theurer Unimat 08-4x4/4S tamper DR73954 approaches Nuneaton whilst working a Diss to Rugby move. #tamperTuesday #ontrackplant

During 1999 Tarmac split their Centrac business out into a new company - Carillion, and then in late 2001 GEC sold their share of GTRM to Carillion. The combined fleet of machines were repainted into a yellow livery with white cabs. #tamperTuesday #ontrackplant #OTPliveries

GTRM - a joint venture of GEC Alsthom and Tarmac acquired the Central Infrastructure Maintenance Company in 1996. It purchased a few new machines, and in 2001 took over Centrac's fleet of old machines. Their livery was yellow with maroon cabs. #tamperTuesday #ontrackplant #OTPliveries

Colas Rail's Plasser & Theurer 08-4x4/4S-RT tamper DR73929 passes through Walsall whilst working from Nuneaton to the nearby sidings. #tamperTuesday #ontrackplant

In 1996 Tarmac acquired the Central Track Renewals Company as part of the privatisation process and started operating under the "Centrac" name. Their livery was a basic yellow with white roof. #tamperTuesday #ontrackplant #OTPliveries

This year lots of older machines are getting replaced by brand new machines as some companies modernise their fleets. One casualty will be Loram's C2101 Rail Grinder which arrived in 2002. Here is DR79231-79237 (exc. 79234&235) passing through a gloomy Cardiff Central. #ontrackplant

Here's the first in an occasional series looking back at old on-track plant liveries, kicking off with the classic yellow with red BR double arrow logo and Civil Engineering Department signage. A couple of machines lingered about on the rail network until the mid-2000s! #ontrackplant #OTPliveries

Network Rail have put one of their Ballast Cleaning Trains up for sale. Closing dates for bids is 13 April. Most of the vehicles can be found at Fairwater Yard, with a few having recenlty moved to Tyne Yard. www.ontrackplant.com/news/network... #ontrackplant

Due for retirement this year, Balfour Beatty's Plasser & Theurer 08-4x4/4S-RT Switch & Crossing Tamper DR73917 sits in a siding at Sittingbourne, partially obstructed by bushes and stuff. #ontrackplant #tamperTuesday

Fifteen years ago the final Fastline machines at Bristol Marsh Junction OTPD (part of the larger St Philips Marsh site) were being cleared out with several going for scrap, some abroad and one for preservation in Swindon. February 2011 #ontrackplant #tamperTuesday

Another Stoneblower off the list, although not entirely happy with the obstruction. Here are two shots of DR80216 taken a few minutes apart in very changable weather! #stoneblower #ontrackplant

#TrackMachineTuesday DR76311 part of a consist at Peterborough 9.4.96

Colas Rail's Plasser & Theurer 08-4x4/4S-RT Switch & Crossing Tamper DR73910 "Jupiter" sits in a gloomy siding. #tamperTuesday #ontrackplant

Here is a short round-up of tamper and road-railer news during January 2026. #ontrackplant www.ontrackplant.com/news/tamper-...

DR73908 might be making its last move to Rugby OTPD today before being retired/replaced by DR73954 in the Anglia region. (Usual cancellation / rescheduling disclaimers apply! ) Here's a photo of it when it was new. How time flies! #ontrackplant www.realtimetrains.co.uk/service/gb-n...

Taunton Fairwater Clearout - new forum topic by Roger Harris. #ontrackplant www.ontrackplant.com/forum/on-tra...

A pair of SBRail's Plasser & Theurer Unimat 09-4x4/4S Dynamic Tampers sit in the siding at Hemel Hempstead ready for work over the Christmas period on the WCML, 24 December 2025. ontrackplant.com #ontrackplant #tamperTuesday

On Saturday 17th DR73906 should be making its last move to Rugby OTPD before being retired/replaced by DR73953 in the Anglia region. Usual cancellation / rescheduling disclaimers apply! If you see it then please upload a photo! #ontrackplant www.realtimetrains.co.uk/service/gb-n...

On Thusrday 15th January a new Balfour Beatty tamper (DR73955?) should be moving from West Ealing to Swanage Railway for testing. Usual cancellation / rescheduling disclaimers apply! If you see it then please upload a photo! #ontrackplant www.realtimetrains.co.uk/service/gb-n...

Two of Colas Rail's small Plasser & Theurer tampers (DR73922 and DR73913) are seen in various sidings, 19 December 2025. #tamperTuesday #ontrackplant

Nice pair 👍🏻👍🏻

Network Rail Harsco Stoneblower DR80215 makes a spirited departure from Crewe. This machine is returning to Scotland (via a stop at Preston) after its yearly service at Harsco's works in Derby. 19 December 2025. #stoneblower #ontrackplant

Made a good effort with last year's Stoneblower photo goal - filled in five out of eight gaps - including the Scottish one which I didn't think I'd get. Will aim to get at least two more this year (not sure I'll manage the Worksop example ☹️) #ontrackplant #stoneblowers ontrackplant.com

DR77002 - one of SBRail's Plasser AFM2000RT ballast finishing machines - trundles through Crewe working from Stafford to Preston. 19 December 2025. #ontrackplant

I'd like to wish everyone a Merry Christmas and Happy New Year. Thanks for all of your contributions of sightings and photos over the last year! #ontrackplant ontrackplant.com

Another train in the dark - operating as 6Z02, a railgrinder slowly passes in a shower of sparks.

Balfour Beatty's Matisa B66UC tamper DR75501 sits in the siding at Chichester, 23 September 2025. ontrackplant.com #ontrackplant #tamperTuesday

Swietelsky's Plasser & Theurer 08-4x4/4S-RT Tamper DR73940 arrives at Guide Bridge after working in from Blackburn sidings. ontrackplant.com #ontrackplant #tamperTuesday

37418 4Z55 Derby RTC to Old Dalby accelerates from Syston East Junction 9.12.25 . Loram Rail Grinder DR79704

SBRail / Swietelsky's Plasser & Theurer Unimat 09-4x4/4S Dynamic Tamper DR74002 arrives at Guide Bridge after working in from York Skelton OTM Sidings, 27 October 2025. ontrackplant.com #ontrackplant #tamperTuesday #universalstopfmaschine

Colas Rail's Plasser & Theurer Unimat 09-4x4/4S Dynamic Tamper DR75016 sits in the sun at Westerleigh, November 2025. ontrackplant.com #ontrackplant #tamperTuesday #universalstopfmaschine

5 Hours of rail head treatment completed, and another 7 to go! MPV DR98911 stands at Manchester Victoria with 3S08, the Wigan to Wigan via everywhere! I prefer my RHTT top and tailed with 37s! #ManchesterVictoria #MPV #RHTT

There are currently a number of queries regarding support wagons for the various Kirow cranes. If you have seen any recently then please get in touch! www.ontrackplant.com/forum/on-tra... #ontrackplant

Two of Network Rail's Harsco Stoneblowers - DR80301 + DR80303 - make their way through the sidings at Westerleigh on a working to Hallen Moor Junction, August 2025. ontrackplant.com #ontrackplant

A Network Rail Harsco Stoneblower - DR80209 - approaches Derby station whilst working from Derby RTC to Sleaford, 1 August 2025. ontrackplant.com #ontrackplant

A "new" mystery tamper has appeared at the Brecon Mountain Railway in Wales. Possibly "UGT1" (previously?) found at Vale of Rheidol Railway, but there are some minor differences. If anyone can help with the identity then please get in touch! Thanks www.ontrackplant.com/photo/unknow...