146

141 class locomotive B146 was one of 37 141 class locos built for the Irish State owned transport company, Coras Iompair Éireann (CIE), by General Motors at their premises at La Grange, Illinois, USA in 1962. These locomotives were numbered in the series B141 – B177 inclusive.  This order followed on from the earlier single cab 121 class locos.

The 141 (B) class locomotives would end up working all over the Irish Rail system, operating both local and express passenger, and also freight and engineering services, either singly, or in multiple with other 141 (B) class, 181 (B) class and even 121 (B) class locomotives. The 141 class locos also operated into Northern Ireland on cross-border passenger and freight services.

B146 entered traffic with CIE on 14th December 1962. From 1972 onwards, the letter prefix ‘B’ was dropped and the class simply became known as the 141 class. As such, B146 became simply 146.

When built, the 141 (B) class locomotives were fitted with a 950 hp GM 8-567CR engine. Over time, many of the 141 (B) class locomotives had their original engines exchanged with GM 8-567CR engines from 121 (B) class locomotives and also with the more powerful GM 8-B645E engines from 181 (B) class locomotives. In addition, several examples of the 141 (B) class locomotives were also fitted with GM 8-B645E engines repurposed from former 201 (C) class locomotives. In time, , all the remaining GM 8-567CR engines were modified and upgraded to the equivalent of the GM 8-B645E engine, while still retaining the original engine block. Locomotive 146 still retains the original GM 8-567CR type engine block.

The first 141 class loco to be withdrawn by Irish Rail was locomotive 174, which was taken out of service in October 1993 in need of a body overhaul. Other early  141 class locomotive withdrawals were locomotives 161 (May 1996), 158 (March 1999), 150 (May 2003) and 157 (July 2003). Most of the remaining members of the 141 class were gradually taken out of service over the course of 2006-2009, with only a few left in service by the end of 2009. Reasons for withdrawal included major failures, mishaps, the need for major repairs, or, towards the end, simply surplus to requirements, with only a few 141 class locomotives left in service by the end of 2009.

February 2010 would see the last surviving members of the 141 class locos withdrawn from main line service. However, for a short period, 141 class locomotives 162, 171 and 175, were retained in operational condition for pilot duties in the Dublin era. The locos were finally withdrawn during 2011, with 171 being the last to go that November, thus ending almost 50 years of 141 class operation on Irish railways.

A new life as a preserved locomotive

146 is winched off the Allely's low-loader and onto the rails at Downpatrick station 27/11/2010. Photo: Ken Manto

Locomotive 146 spent around the last 2 years in traffic operating freight services and engineer’s trains, mainly around the Limerick and Mayo area. It was eventually taken out of traffic and withdrawn in March 2010 then sold to the Irish Traction Group in May 2010 for preservation. It was finally moved from Inchicore Works, Dublin, to the Downpatrick & Co. Down Railway (DCDR), Downpatrick, Co. Down, by Allely's low-loader on 27th November 2010.

146’s engine bursts into life for the first time in preservation. 11/12/2010. Photo: Ian Cross

Attempts to start locomotive 146 shortly after its arrival failed due to the locomotive’s batteries being flat. Subsequent attempts over the weekend of 27th/28th November 2010 to re-charge the batteries and start the locomotive also failed as it was found that several of the batteries were defective. Following two weeks on charge, and the replacement of the defective batteries by new ones, another attempt to start locomotive 146 was made at 11:40 on 11th December 2010. This time the locomotive started first time.

Following an examination to ensure everything on the locomotive was working correctly, 146 was then used to undertake light shunting duties. Following this, locomotive 146 was driven slowly, light engine through the platform road at Downpatrick Station to check clearances. It continued light engine to North Junction, from where it was reversed into the back Loop Platform at walking pace in order to check the clearances there. Locomotive 146 was then coupled to the empty stock for the DCDR Santa Specials, which it proceeded to propel out of the back Loop Platform to a point just beyond the South Junction.   From there, locomotive 146 hauled the empty stock directly back to Downpatrick Station via the other face of the Loop Platform, again passing through the platform at walking pace to check clearances.

The following day, 12th December 2010, locomotive 146 was successfully started first time, and was used to haul the empty stock for the Santa Specials to the back Loop Platform. Following this, locomotive 146 then ran light engine to Inch Abbey and back to check platform clearances there. Following completion of the day’s operations, locomotive 146 returned the empty stock back from the back Loop Platform to Downpatrick Station.

Replacing metalwork on No. 1 end

The original livery and number (B146) was revealed under 50 years of paint

This marked the start of locomotive 146 being back in regular use and the locomotive has been in almost constant service ever since, except for a period during which No. 2 end cab was fully refurbished. This process was repeated on No. 1 end in winter 2014. See the pictures for an idea of the work involved - and the original 'B146' numbers reappearing when the years of paintwork were rubbed back.

146 continues to be a valuable member of the DCDR diesel fleet, carrying out a wide range of duties, including shunting, empty stock movements, operating passenger services when the regular steam locomotive is unavailable, and occasionally hogging the limelight on special diesel running days.