CIE 401 Class

Specifications
Specifications
Configuration:;
• UIC	C
Gauge	1,600 mm (5 ft 3 in)
Wheel diameter	3 ft 2 in (965 mm)
Length	8.95 m (29 ft 4 in)
Loco weight	39.4 tonnes (38.8 long tons; 43.4 short tons)
Prime mover	Maybach MD220
Transmission	Hydraulic, Mekydro KL64 torque converter

Type and origin
Type and origin
Builder	CIÉ, Inchicore Works
Build date	1957–1958
Total produced	19

Córas Iompair Éireann E class
(later 401 class)
Córas Iompair Éireann E class; (later 401 class)
Builder
Type and origin
Builder	CIÉ, Inchicore Works
Build date	1957–1958
Total produced	19
Configuration:;
Specifications
Configuration:;
• UIC	C
Gauge	1,600 mm (5 ft 3 in)
Wheel diameter	3 ft 2 in (965 mm)
Length	8.95 m (29 ft 4 in)
Loco weight	39.4 tonnes (38.8 long tons; 43.4 short tons)
Prime mover	Maybach MD220
Transmission	Hydraulic, Mekydro KL64 torque converter
Maximum speed
Performance figures
Maximum speed	40 km/h (25 mph)
Power output	420 hp (310 kW)
Tractive effort	Starting: 97 kN (22,000 lbf)
Operators
Career
Operators	Córas Iompair Éireann
Class	E Class (later 401 class)
Numbers	E401–E419
Withdrawn	1968–1977
Disposition	All scrapped

The Córas Iompair Éireann 401 Class locomotives were built in 1957–1958 and designed for use on branch line traffic and shunting. They were fitted with a Maybach MD220 engine of 420 hp (310 kW), with diesel hydraulic transmission via a Mekydro KL64 transmission, and were of C wheel arrangement.

Though they had a design maximum speed of 100 km/h (62 mph), experience showed that they did not ride well when travelling at speeds over 40 km/h (25 mph) and so henceforth were limited to that speed. They were numbered E401–E419, and were withdrawn from service between 1968 and 1977 and none were preserved.

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