EMD G22 Series

RFFSA MACOSA G22U #4392-6L pulling a passenger train in the Ferrovia Curitiba–Paranaguá line.

Type and origin
Power type	Diesel-electric
Builder	Various licencees from Electro-Motive Division (see models listed)
Model	G22
Build date	January 1969 - November 1991
Total produced	635

Specifications
AAR wheel arr.	B-B, C-c
UIC class	Bo'–Bo' ; A-1-A A-1-A, Co'-Co'
Gauge	4 ft 8 ¹⁄₂ in (1,435 mm) standard gauge 3 ft 6 in (1,067 mm) 1,000 mm (3 ft 3 ³⁄₈ in) metre gauge
Driver dia.	40 inches (1,016 mm)
Wheelbase	43 feet 6 inches (13.26 m) between bolsters; 8 ft (2,438 mm) between axles in each truck
Length	46 feet 6 inches (14.17 m)) over the coupler pulling faces
Width	9 feet 3 inches (2.819 m) over the grabirons
Height	12 ft 6 ¹⁵⁄₁₆ in (3.834 m)
Loco weight	71 t (69.9 long tons; 78.3 short tons)
Fuel capacity	1,700–2,000 US gal (6,435–7,571 L; 1,416–1,665 imp gal)
Prime mover	12-645E
Engine type	V12 diesel engine
Aspiration	Roots Blower
Cylinders	12

Performance figures
Maximum speed	62–93 mph (100–150 km/h)
Power output	1,500–1,650 hp (1,119–1,230 kW)

Career
Nicknames	"Pup”
Locale	Australia, Brazil, Egypt, Guinea, Iran, Israel, New Zealand, Sweden, Taiwan & Yugoslavia

The EMD G22 Locomotive Series made their debut in 1967 after the rise in popularity of the export EMD G12. Designed to meet most First World, Second World and Third World countries, the G22 Series were now equipped with a naturally aspirated EMD 645 Series engine as well as four axle Flexicoil Type-B trucks which carry a low per-axle weight. Based on customer input, the G22 Series would be defined by various designations that suit the customer's railway operations.

The standard suffixes applied after the G22 designation were if the customer purchased locomotives with specific traction motors to fit Narrow Gauge (U) or Broad Gauge (W) rails. As the years progressed, the customers began to have more options available for their locomotives such as EMD Dash 2 Electronics, Alternators instead of Generators, A-1-A running gear and/or steam generators, etc.

The G22 designation can freely apply to the designs of any EMD export model or a licensee of EMD as long as the electrical and mechanical gear were left unaltered.

Overview

With the introduction of the 645 engine in export models in 1967, the model numbers changed by adding "10". Thus the G12 now became the G22. This new model was an upgrade from the 567 series G12 and brought forward various innovations for almost four decades. To this day, the G22 series is the most common diesel found in Brazil, New Zealand and in Egypt.

The G22 Series was one of the first models to be commonly constructed outside of the United States and to have its own separate designation based on traction motors/gauge, generator, etc. Unlike the G12, which its six axle version was the GR12, the six axle version of the G22 Series was designated as G22C. The customer then had options to apply on the locomotive as desired.

Several models were introduced:

G22W
G22U
G22W-AC
G22W-2

G22W

The G22W first appeared in 1967. To separate itself from its predecessor, the G22W was identified by a W suffix to indicate that this model was supplied with traction motors adjustable only for Wide gauged rails (Standard gauge up to Indian gauge).

The G22W model found success among several buyers and were also built in different countries to suit the customers needs. One notable difference in the carbody design came with the order of Swedish G22Ws. Completely redesigned to meet the Scandinavian weather conditions, these units resemble a G22W only by their internal electrical and mechanical equipment.

Production spanned from 1967 to 1989.

EMD G22W Orders
Builder	Date of Construction	Country	Railway	Quantity	Road numbers	Notes
Electro-Motive Division	July 1967	South Korea	Korea National Railroad	22	4201-4222
Electro-Motive Division	May 1970	Guinea	Chemin de Fer Boké	3	001 – 003	The first EMD locomotives for Chemin de Fer Boké
Electro-Motive Division	January - March 1977	Egypt	Egyptian National Railways	32	3801 – 3832
Electro-Motive Division & Đuro Đaković	February 1975, August 1975, January - November 1982	Iran	Islamic Republic of Iran Railways	40	40.138 – 40.158, 60.159 – 60.178	40.138 served first as demonstrator; 60.159 – 60.178 were constructed by Đuro Đaković
Kalmar Verkstad AB	(Month Unknown) 1989	Israel	Rakevet Israel	1	T40100
Nydqvist & Holm AB & Kalmar Verkstad AB	January 1969 - June 1970, September 1970 - June 1971, August 1975 - October 1977, February - December 1980, January 1983 - March 1987	Sweden	Statens Järnvägar	124	259 – 283, 314 – 323, 329 – 416	259 - 283, 314 - 383 Built by NOHAB; 384 - 416 Built by Kalmar

G22U

The G22U appeared alongside its wide gauge counterpart in 1969. To separate itself from its predecessor G12 as well as the G22W, the G22U was identified by a U suffix to indicate that this model was supplied with traction motors adjustable to any rail gauge Universally (Metre Gauge up to Irish Gauge).

The G22U model found success among several buyers and were also built in different countries to suit the customers needs. The Yugoslav locomotives were equipped with a steam generator located in the high short hood. Both the Yugoslav Railways and Taiwan Railroad Administration purchased their G22U’s with a unique A-1-A running gear configuration. This did not alter the models designation as the center axles were not powered nor were A-1-A trucks widely produced at the time.

This locomotive found itself to be very successful in the metre gauge lines of Brazil, as where most lines did not permit the use of six-axle locomotives around tight curves.

Production spanned from 1969 to 1974.

EMD G22U Orders
Builder	Date of Construction	Country	Railway	Quantity	Road numbers	Notes
Material y Construcciones S.A.	January - October 1971, July 1972 - February 1973	Brazil	Rede de Viação Paraná-Santa Catarina (RFFSA)	100	1501 – 1576, 1607 - 1630	Purchased during the Brazilian Miracle era
Material y Construcciones S.A.	January - May 1972	Brazil	Viação Férrea do Rio Grande do Sul (RFFSA)	30	1577–1606	Purchased during the Brazilian Miracle era
Electro-Motive Division	September - November 1969	Taiwan	Taiwan Railway Administration	39	R101 – R139	G22A
Material y Construcciones S.A.	June 1973 - January 1974	Yugoslavia	Jugoslavenske Željeznice	30	644.001 – 644.025	The only Yugoslav locomotives built from MACOSA
Clyde Engineering	1967	Australia	Western Australian Government Railways	5	AA1515-AA1519	EMD G22CU
Clyde Engineering	1969	Australia	Western Australian Government Railways	6	AB1531-AB1536	EMD G22CU
General Motors Canada, Clyde Engineering & Hutt Workshops	1978-1981	New Zealand	KiwiRail	85	DC4006-DC4951	EMD G22AUR

G22W-AC

The G22W-AC first appeared in 1980. To separate itself from the base model G22, the G22W-AC was identified by an AC suffix to indicate that this model is supplied with an alternator that provides Alternating Current to the traction motors suited for Wide gauged rails (Standard Gauge up to Irish Gauge). This now increased reliability and reduced electrical problems derived from Direct Current.

Production spanned from 1980 to 1991.

EMD G22W-AC Orders
Builder	Date of Construction	Country	Railway	Quantity	Road numbers	Notes
General Motors Diesel Division	January - March 1980, July - August 1981, December 1981, March - April 1982, August - November 1982	Egypt	Egyptian National Railways	228	3833 – 3999, 33601 – 33661	Mostly used for passenger service
Astilleros Argentinos Río de La Plata S.A.	March 1991	Iran	Ahwaz Steel	3	Unknown

G22W-2

The G22W-2 first appeared in 1991. To separate itself from the base model G22, the G22W-2 is identified by a -2 suffix to indicate that this model is supplied with DC Current -2 electronics only for traction motors adjustable for Wide gauged rails (Standard Gauge up to Irish Gauge). This now improved availability, efficiency and ease of maintenance of the locomotive.

EMD G22W-2 Orders
Builder	Date of Construction	Country	Railway	Quantity	Road numbers	Notes
Astilleros Argentinos Río de La Plata S.A.	November 1991	Iran	Ahwaz Steel	3	Unknown	The last of the G22 Series

Phasing

Only two general variations have been noticed during the G22 production, most notably on the constant production of the RFFSA G22Us.

Phase 1: Larger frame sill, air reservoir slung under skirting.
Phase 2: Smaller frame sill, air reservoir exposed, and two horizontal bars along intake grilles.

There have been various as-modifications on railroads as well, but are excluded due to various degrees of completion on the modification.

Models

The G22U/G22W model is represented in HO Scale by Frateschi trains of Brazil. Due to the accommodation of the motor, the model is not entirely accurate.

External links

Limited production, export and EMD engined locomotives by Electro-Motive Diesel

Electrics

Industrial, military, export
and narrow gauge

Streamliners

EMD-engined and
license-built units

British Rail	Class 57 Class 67

Córas Iompair Éireann	Class 001 Class 071 Class 121 Class 141 Class 181

CFL (Luxembourg)	Class 1600

Danish State Railways	Class ME Class MX Class MY Class MZ

Iarnród Éireann	Class 201

Indian Railways	Class WDM-4

Israel Railways	JT 42BW JT 42CW

Northern Ireland Railways	Class 111

Norwegian State Railways	NSB Di 4

NJ Transit	Alstom PL42AC

RENFE (Spain)	Class 310 Class 319 (early versions) Class 319 (later versions) Class 333 Class 334

SNCB (Belgium)	HLD 51 HLD 52 HLD 53 HLD 54 HLD 55 HLD 61 HLD 62 HLD 65

Swedish State Railways	T41 T43 T44

Vossloh	Euro

Experimentals

See also: List of GM-EMD locomotives

Rolling stock of the Yugoslav Railways

Steam locomotives	JŽ 01 JŽ 02 JŽ 03 JŽ 04 JŽ 05 JŽ 06 JŽ 07 JŽ 08 JŽ 09 JŽ 10 JŽ 11 JŽ 16 JŽ 17 JŽ 18 JŽ 20 JŽ 21 JŽ 22 JŽ 23 JŽ 24 JŽ 25 JŽ 26 JŽ 27 JŽ 28 JŽ 29 JŽ 30 JŽ 31 JŽ 32 JŽ 33 JŽ 35 JŽ 36 JŽ 37 JŽ 38 JŽ 50 JŽ 51 JŽ 52 JŽ 53 JŽ 60 JŽ 61 JŽ 62 JŽ 73 JŽ 83 JŽ 85 JŽ 99 JŽ 101 JŽ 102 JŽ 103 JŽ 104 JŽ 105 JŽ 106 JŽ 107 JŽ 108 JŽ 109 JŽ 110 JŽ 111 JŽ 112 JŽ 113 JŽ 114 JŽ 115 JŽ 116 JŽ 117 JŽ 118 JŽ 120 JŽ 121 JŽ 122 JŽ 123 JŽ 124 JŽ 125 JŽ 126 JŽ 127 JŽ 128 JŽ 129 JŽ 130 JŽ 131 JŽ 132 JŽ 133 JŽ 134 JŽ 135 JŽ 136 JŽ 137 JŽ 138 JŽ 139 JŽ 140 JŽ 141 JŽ 142 JŽ 143 JŽ 144 JŽ 145 JŽ 146 JŽ 147 JŽ 148 JŽ 150´ JŽ 150´´ JŽ 151 JŽ 152 JŽ 153 JŽ 154 JŽ 155´ JŽ 155´´ JŽ 156 JŽ 157 JŽ 158 JŽ 159 JŽ 160 JŽ 161 JŽ 162 JŽ 163

Electric locomotives	JŽ 341 JŽ 342 JŽ 361 JŽ 362 JŽ 363 JŽ 441 JŽ 442 JŽ 443 JŽ 444 JŽ 461 JŽ 462

Diesel locomotives	JŽ 641 JŽ 642 JŽ 643 JŽ 644 JŽ 645 JŽ 646 JŽ 661 JŽ 662 JŽ 663 JŽ 664 JŽ 665 JŽ 666 JŽ 667 JŽ 720 JŽ 731 JŽ 732 JŽ 733 JŽ 734 JŽ 741 JŽ 742 JŽ 743 JŽ 744 JŽ 761

Electric multiple units	JŽ 310 JŽ 311 JŽ 312 JŽ 314 JŽ 410 JŽ 411 JŽ 412

Diesel multiple units	JŽ 610 JŽ 611 JŽ 710 JŽ 711 JŽ 712 JŽ 713 JŽ 801 JŽ 802 JŽ 811 JŽ 812

Works vehicles	JŽ 813

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