The fifteen year eight month career (in revenue earning service) of D5142/24142 was spent allocated only to London Midland Region depots. A further seven years two months were spent as a carriage heating unit.
The frames for D5142 were laid down at Derby Locomotive Works during August 1960, D5142 was new to Longsight (9A) on November 19th 1960. Further transfers were:
January 1962 to Camden (1B)
Renumbered April 1974.
After withdrawal 24142 was stored at Crewe from February 1976 to August 1976 when it was pulled from store and transferred to Departmental service. It was renumbered TDB968009 and moved to the Western Region. After its carriage heating unit service ended 24142/TDB968009/ADB968009 was broken up during September 1984.
Works visits (records incomplete).
Noted Derby Works February 1962.
Condition March: green livery with small yellow warning panels, curved upper corners, warning panel does not completely cover frame level stripe, shortened fuel & water tanks, ridge sided sandboxes, three-rung bogie mounted footsteps, cantrail water filler cover present, '9A' stencilled on No.2 cab bufferbeam (2nd man's side).
Condition May: green livery with small yellow warning panels, curved upper corners, warning panel does not completely cover frame level stripe, shortened fuel & water tanks.
External changes to the two locomotives were minimal. The multiple unit jumper cable and receptacle were removed from the bufferbeam and replaced with the typical electric train heating (ETH) jumper cable and receptacle. An external set of controls were mounted on the valencing above the sandboxes and later a light was fitted to the boiler room blanking plate, presumably to warn staff of when the unit was in operation.
Condition September: steam pipe connections still present (had been removed when seen at Stratford after withdrawal).
24142 was noted at Laira during August.
24142 was noted at Reading on August 10th.
Condition April: steam pipe connections still present (had been removed when seen at Stratford after withdrawal).
TDB968009 (24142) was noted at Cardiff July 25th/27th, having recently arrived from Reading. Noted October 27th at Ebbw Junction. On November 5th it moved from Ebbw Junction to Landore, for use at Maliphant. Here it replaced Co-Bo D5705, which moved to Bristol and later Swindon.
At some point the TDB prefix was replaced by ADB.
The completion of the Crown Point (Norwich) carriage depot led to a significant shake up of the various train heating units with a number of the former Class 31 & BTH units condemned. Mid September saw ADB968008 (ex 24054) moved from Newton Abbott to Cambridge (arriving December) to act as a spare whilst withdrawn ADB968009 (ex 24142) was moved to Stratford for spares removal prior to being sold for scrap. From October to December 1982 ADB968009 (24142) was at Stratford, and it appears to have been withdrawn during this same period.
1983 & 1984
Condition final: blue/yellow livery, gangway doors sheeted over, shortened fuel & water tanks, blanking plates fittted, hand/footholds plated over, ridge sided sandboxes, three-rung bogie mounted footsteps, Class 25/1 cab roof fitted at No.1 end (with horn receptacles.
Page added August 27th 2016