4253 Locomotive
A not-for-profit company run entirely by volunteers
Contact us at: gwr4253@gmail.com

Latest Progressimages/original/become_a_share_holder.jpg

Engineering Timeline

2019 Blog

2018 Blog

2016 Blog

2015 Blog

2014 Blog

2013 Blog

2012 Blog

2011 Blog

December 2017images/300/Dec 17 6.jpg

Foundation ring refitted to firebox

New rocking shaft bearings fully machined

New piston rods and injectors received

New, fully machined hydrostatic lubricator collected

November 2017images/300/Nov 26 2.jpg

Brake shaft fully repaired and trial fitted

Rear window protection bars fabricated

New cab window and door latches made

Foundation ring repairs completed

October 2017images/300/Oct 15 3.jpg

Reversing lever, quadrant and rear sander handle installed

All lubrication lines for the axleboxes completed

All joining plates fixing cab to tanks and bunker made

Brake blocks fitted

September 2017images/300/Sept 30 9.jpg

Tanks and cab trial fitted

New rearmost section of brake pull rod made

New cab floor made and fitted

All new fittings for vacuum retaining valve machined

August 2017images/300/Aug 20 9.jpg

Axlebox and horn lubrication lines formed and fitted

New brake pull brackets made

First rocking shaft bearing trial fitted

Making of new water valve operating mechanism started

July 2017images/300/Bunker fitted.jpg

Bunker fitted to frames

Sand box and drain cock linkages all completed

Vacuum and steam heat pipework completed

Machining of rocker shaft bearings started

June 2017images/300/Jun 18 5.jpg

Pipework continues and is nearly completed

Bunker and tanks sent away for specialist coating of water spaces

Brake shaft bearings finished and successfully trial fitted

Both cylinders lagged and cladding fitted

May 2017images/300/May 28 5.jpg

Vacuum pump and reservoir fitted

Brake gear refurbished with new bushes

Start made on fabricating vacuum and steam heat pipe runs

Sand box actuating mechanism installed

April 2017images/300/Apr 2 3.jpg

Newly assembled valve pistons received

Brake pull rods re-bushed as necessary

Brake vacuum cylinder, spring adjusters and brake hangers installed

New cab steps riveted to frames

March 2017images/300/Apr 2 5.jpg


February 2017images/300/Feb 5 7.jpg

All axle box bearing surfaces scraped in to match journals

All old foundation ring studs drilled out

New threads cut in stud holes

Axle boxes trial assembled with spring hangers and pins

January 2017images/300/Jan 29 2.jpg

Foundation ring removed from firebox

Axle box lubrication units reassembled with new brackets

New jockey valve and bracket made

Two lifting gantries obtained and refurbished