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Specifications
Specifications
Configuration:;
• Whyte	0-6-0DE
• UIC	C
Gauge	5 ft 3 in (1,600 mm)
Wheel diameter	4 ft 0 in (1.219 m)
Length	8.84 m (29 ft 0 in)
Loco weight	53.8 tonnes (53.0 long tons; 59.3 short tons)
Prime mover	Mirrlees TLDT6 diesel
Traction motors	Brush Traction, 2 off

Type and origin
Type and origin
Power type	Diesel–electric
Builder	CIÉ Inchicore Works
Build date	1947–1948
Total produced	5

D301 Class (generally simply known as "D" class)
D301 Class (generally simply known as "D" class)
Power type
Type and origin
Power type	Diesel–electric
Builder	CIÉ Inchicore Works
Build date	1947–1948
Total produced	5
Configuration:;
Specifications
Configuration:;
• Whyte	0-6-0DE
• UIC	C
Gauge	5 ft 3 in (1,600 mm)
Wheel diameter	4 ft 0 in (1.219 m)
Length	8.84 m (29 ft 0 in)
Loco weight	53.8 tonnes (53.0 long tons; 59.3 short tons)
Prime mover	Mirrlees TLDT6 diesel
Traction motors	Brush Traction, 2 off
Maximum speed
Performance figures
Maximum speed	25 mph (40 km/h)
Power output	487 hp (363 kW)
Tractive effort	Starting: 107 kN (24,000 lbf)
Operators
Career
Operators	Córas Iompair Éireann
Class	J1A; later D
Numbers	Originally 1000-1004, renumbered D301-D305
Withdrawn	1960–1976
Disposition	All scrapped 1977

The Córas Iompair Éireann 301 Class locomotives were the first diesel locomotives used on the CIÉ network, this class of 5 being built between 1947 and 1948 by the company for shunting use, particularly in the railway yards on Dublin's North Wall. They were a six coupled (0-6-0 wheel arrangement) locomotive, fitted with a Mirrlees TLDT6 engine of 487 horsepower (363 kW) with diesel–electric transmission via two Brush traction motors. Unusually, they lacked train vacuum brakes, although air brakes were provided for the locomotive itself.^[1]

They were initially numbered 1000-1004 in the steam locomotive number series, but were subsequently renumbered D301-D305 in order. The locomotives were used on yard pilot and transfer freight duties, although number 1000 hauled a freight train from Dublin to Cork during trials.^[1] Two locomotives were stored from 1960 and the rest had followed by 1972, though officially they remained in stock until 1976. All five were scrapped in 1977.

Model

The D Class is not available in either RTR or kit form. However, the British Rail Class 08 can be used as a close approximation.^[2]

Footnotes

^ ^a ^b Renehan, p. 172.
^ Steve Johnson’s site for more detail.

References

Renehan, Dan (February 1981). "The Class E Diesel Shunters of CIE". Journal of the Irish Railway Record Society. 14 (84): 171–81.
Strickland, David C. (1982). Locomotive Directory, every single one there has ever been. Camberley, Surrey: Diesel & Electric Group. p. 164. ISBN 0-906375-10-X.