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Specifications
Specifications
Configuration:;
• UIC	Bo-Bo
Gauge	3 ft 6 in (1,067 mm)
Length	13.5 metres (44 ft 3 in)
Loco weight	56 tonnes (55 long tons; 62 short tons)
Prime mover	Two Cummins KTA-1150L
RPM range	1800 rpm
Engine type	I6 Diesel engine
Generator	Two Toshiba SDT 1144
Traction motors	Four Toshiba SE 2314
Cylinders	16
Cylinder size	159 mm × 159 mm (6.3 in × 6.3 in)

Type and origin
Type and origin
Power type	Diesel-Electric Shunter
Builder	Toshiba Heavy Industries, Japan
Build date	1981–1983

New Zealand DSG class
New Zealand DSG class
	DSG 3114 in Dunedin, 2009.
Power type
Type and origin
Power type	Diesel-Electric Shunter
Builder	Toshiba Heavy Industries, Japan
Build date	1981–1983
Configuration:;
Specifications
Configuration:;
• UIC	Bo-Bo
Gauge	3 ft 6 in (1,067 mm)
Length	13.5 metres (44 ft 3 in)
Loco weight	56 tonnes (55 long tons; 62 short tons)
Prime mover	Two Cummins KTA-1150L
RPM range	1800 rpm
Engine type	I6 Diesel engine
Generator	Two Toshiba SDT 1144
Traction motors	Four Toshiba SE 2314
Cylinders	16
Cylinder size	159 mm × 159 mm (6.3 in × 6.3 in)
Maximum speed
Performance figures
Maximum speed	60 km/h (37 mph)
Power output	700 kW (940 hp)
Tractive effort	130 kN (29,000 lbf)
Number in class
Career
Number in class	24
Numbers	DSG 3005–3304
First run	1981–1983
Disposition	In service

The New Zealand DSG class is a type of diesel-electric shunting locomotive used in New Zealand. The class shares a central cab design with the smaller DSC class shunting locomotive, and is twin-engined. Meanwhile, the very similarly designed, single-engined DSJ class, has a cab that is offset from the centre.

Introduction

The DSG class shunters were built in four batches from 1981 to 1983. The first batch of six locomotives was introduced in 1981,^[2] followed by batches in 1982 and 1983.^[3]

In Service

The locomotives have seen widespread use throughout New Zealand, particularly in larger yards and for port traffic.^[3] They also see service on sections of mainline, performing regional shunt duties in a number of areas.