AlannahHudspeth at 15:17, 20 March 2026

2026-03-20T15:17:14Z

← Older revision		Revision as of 20:47, 20 March 2026
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	{{Use Indian English\|date=May 2020}}		{{Use Indian English\|date=May 2020}}
	{{Use mdy dates\|date = May 2020}}		{{Use mdy dates\|date = May 2020}}
			{{More citations needed\|date=January 2025}}
	{{Infobox locomotive		{{Infobox locomotive
	\| name = WAM-1		\| name = WAM-1
	\| image = ~~File:WAM-1~~.jpg		\| image = WAM1 20202 locomotive.jpg
	\| caption = ~~A WAM1 rests after hauling a Goods Trains~~		\| caption =
	\| powertype = Electric		\| powertype = Electric
	\| builder = Kraus-Maffei, Krupp, SFAC, La Brugeoise & Nivelle (50 cycles European group)		\| builder = Kraus-Maffei, Krupp, SFAC, La Brugeoise & Nivelle (50 cycles European group)
	\| gauge = {{Track gauge\|5ft6in\|lk=on}}		\| gauge = {{Track gauge\|5ft6in\|lk=on}}
	\| poweroutput = ~~MAX~~:~~3010HP~~ Continuous: {{convert\|2870\|hp\|kW\|0\|abbr=on}}		\| poweroutput = Maximum: {{convert\|3010\|hp\|kW\|abbr=on}}<br>Continuous: {{convert\|2870\|hp\|kW\|0\|abbr=on}}
	\| maxspeed = {{convert\|112\|km/h\|mph\|0\|abbr=on}}		\| maxspeed = {{convert\|112\|km/h\|mph\|0\|abbr=on}}
	\| tractiveeffort = Starting : {{convert\|25000\|kgf\|kN lbf\|abbr=on}}		\| tractiveeffort = Starting : {{convert\|25000\|kgf\|kN lbf\|abbr=on}}
	\| builddate = ~~1959-1961~~		\| builddate = 1959–1961
	\| uicclass = B-B		\| uicclass = B-B
	\| bogies = Monomotor B-B bogies		\| bogies = Monomotor B-B bogies
	\| wheeldiameter = New:{{convert\|1140\|mm\|ftin\|0\|abbr=on}}<br>Half worn: {{convert\|1120\|mm\|ftin\|abbr=on\|frac=2}}<br>Full worn: {{convert\|1064\|mm\|ftin\|0\|abbr=on}}		\| wheeldiameter = New: {{convert\|1140\|mm\|ftin\|0\|abbr=on}}<br>Half worn: {{convert\|1120\|mm\|ftin\|abbr=on\|frac=2}}<br>Full worn: {{convert\|1064\|mm\|ftin\|0\|abbr=on}}
	\| length = {{convert\|14.600\|m\|ftin\|abbr=on\|frac=32}}		\| length = {{convert\|14.600\|m\|ftin\|abbr=on\|frac=32}}
	\| height = {{convert\|4.165\|m\|ftin\|abbr=on\|frac=32}}		\| height = {{convert\|4.165\|m\|ftin\|abbr=on\|frac=32}}
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	\| aarwheels = B-B		\| aarwheels = B-B

	\| electricsystem = {{25 kV 50 Hz}} ~~[[Alternating current\|AC]]~~ [[Overhead line\|Overhead]]		\| electricsystem = {{25 kV 50 Hz}} [[Overhead line\|Overhead]]
	\| collectionmethod = [[pantograph (rail)\|pantograph]]		\| collectionmethod = [[pantograph (rail)\|pantograph]]
	\| locale = All over [[India]]		\| locale = All over [[India]]
	\| disposition = ~~Retired~~		\| preservedunits = 1
			\| disposition = Withdrawn from service and all except one scrapped
			\| lastrundate = late 1990s
			\| withdrawndate = 1999
			\| scrapdate = early 1990s-2000s
	}}		}}
	The Indian locomotive class '''WAM-1''' is a class of 25 [[Volt\|kV]] [[Alternating current\|AC]] [[electric locomotive]]s that was developed in late 1950s by the ''Groupement ~~50Hz~~'' ( a consortium of European locomotive manufacturers) for [[Indian Railways]]. The model name stands for [[5 ft 6 in gauge railway\|broad gauge (W)]], AC Current (A), Mixed traffic (M) ~~engine~~, 1st generation (1). They entered service in 1960 thus making them ~~India's~~ first AC electric [[Electric locomotive\|locomotive]]. A total of 100 WAM-1 were built by the European consortium between 1959 and 1961, which made them the most numerous class of mainline electric locomotive until the [[Indian locomotive class WAG-1\|WAG-1.]]<ref>{{Cite web\|url=https://24coaches.com/electric-locomotive-roster-the-wap-series/\|title = Electric Locomotive Roster: The WAP Series!\|date = September 3, 2016}}</ref><ref>{{cite web\|access-date=2019-06-19\|title=[IRFCA] A Brief History of Railway Electrification in India\|url=https://www.irfca.org/articles/electric-2.html\|website=www.irfca.org}}</ref>		The Indian locomotive class '''WAM-1''' was a class of 25 [[Volt\|kV]] [[Alternating current\|AC]] [[electric locomotive]]s that was developed in the late 1950s by the ''Groupement 50 Hz'' (a consortium of European locomotive manufacturers) for [[Indian Railways]]. The model name stands for [[5 ft 6 in gauge railway\|broad gauge (W)]], AC Current (A), Mixed traffic (M) locomotive, 1st generation (1). They entered service in 1960, thus making them the first AC electric [[Electric locomotive\|locomotive]]s to be in service in India. A total of 100 WAM-1s were built by the European consortium between 1959 and 1961, which made them the most numerous class of mainline electric locomotive until the [[Indian locomotive class WAG-1\|WAG-1.]]<ref>{{Cite web\|url=https://24coaches.com/electric-locomotive-roster-the-wap-series/\|title = Electric Locomotive Roster: The WAP Series!\|date = September 3, 2016}}</ref><ref>{{cite web\|access-date=2019-06-19\|title=[IRFCA] A Brief History of Railway Electrification in India\|url=https://www.irfca.org/articles/electric-2.html\|website=www.irfca.org}}</ref>

	The WAM-1 served both passenger and freight trains for over 40 years. This class though ~~were~~ initially not a great ~~successes~~ provided the basic design for the [[Indian locomotive class WAM-4\|WAM-4]] which a number of other locomotives is based on. However, with the advent of new 3-phase locomotives like WAP-5 and WAP-7, the aging fleet of WAM-1 locomotives were relegated to ~~hauling~~ freight and ~~doing~~ shunting duties~~. Now the WAM-1 locomotives have been fully~~ withdrawn from service ~~and all expect one have been scrapped~~. The single surviving unit named 'Jagjivan Ram' has been preserved at [[~~National~~ Rail Museum, ~~New Delhi~~\|~~NRM~~]] ~~New Delhi~~.		The WAM-1 served both passenger and freight trains for over 40 years. This class, though initially not a great success, provided the basic design for the [[Indian locomotive class WAM-4\|WAM-4]], which a number of other locomotives are based upon. However, with the advent of new 3-phase locomotives like the [[WAP-5]] and [[WAP-7]],{{Original research inline\|date=January 2025}} the aging fleet of WAM-1 locomotives were relegated to freight and shunting duties, with all of them eventually being withdrawn from service. The single surviving unit named 'Jagjivan Ram' has been preserved at the [[Kolkata Rail Museum, Howrah\|Kolkata Rail Museum]] in Howrah.

	== Locomotive shed ==		== Locomotive shed ==
	* All ~~the~~ locomotives of this class ~~has~~ been withdrawn from service.		* All locomotives of this class have been withdrawn from service and all except one being scrapped.

	==See also==		==See also==

	*~~[[History of rail~~ transport in India]]		*{{section link\|Rail transport in India\|History}}
	*[[Indian Railways]]		*[[Indian Railways]]
	*[[Locomotives of India]]		*[[Locomotives of India]]
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	{{Broad gauge locomotives of India}}		{{Broad gauge locomotives of India}}

			{{DEFAULTSORT:WAM-1}}
	[[Category:25 kV AC locomotives]]		[[Category:25 kV AC locomotives]]
	[[Category:B-B locomotives]]		[[Category:B-B locomotives]]
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	[[Category:Railway locomotives introduced in 1959]]		[[Category:Railway locomotives introduced in 1959]]
	[[Category:5 ft 6 in gauge locomotives]]		[[Category:5 ft 6 in gauge locomotives]]
			[[Category:La Brugeoise et Nivelles locomotives]]
			[[Category:Krauss locomotives]]
			[[Category:Krupp locomotives]]

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2021-07-10T11:40:39Z

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New page

{{Use Indian English|date=May 2020}}
{{Use mdy dates|date = May 2020}}
{{Infobox locomotive
| name = WAM-1
| image = File:WAM-1.jpg
| caption = A WAM1 rests after hauling a Goods Trains
| powertype = Electric
| builder = Kraus-Maffei, Krupp, SFAC, La Brugeoise & Nivelle (50 cycles European group)
| gauge = {{Track gauge|5ft6in|lk=on}}
| poweroutput = MAX:3010HP Continuous: {{convert|2870|hp|kW|0|abbr=on}}
| maxspeed = {{convert|112|km/h|mph|0|abbr=on}}
| tractiveeffort = Starting : {{convert|25000|kgf|kN lbf|abbr=on}}
| builddate = 1959-1961
| uicclass = B-B
| bogies = Monomotor B-B bogies
| wheeldiameter = New:{{convert|1140|mm|ftin|0|abbr=on}}<br>Half worn: {{convert|1120|mm|ftin|abbr=on|frac=2}}<br>Full worn: {{convert|1064|mm|ftin|0|abbr=on}}
| length = {{convert|14.600|m|ftin|abbr=on|frac=32}}
| height = {{convert|4.165|m|ftin|abbr=on|frac=32}}
| width = {{convert|3.109|m|ftin|abbr=on|frac=32}}
| axleload = {{convert|18640|kg|abbr=on}}
| locoweight = {{convert|74000|kg|abbr=on}}
| tractionmotors = Siemens/ACEC/Alstom MG 710A (740hp, 1250V, 480A, 1000 rpm, weight 2750kg). Fully suspended, force-ventilated.
| locobrakes = [[Railway air brake|Air]]
| trainbrakes = vacuum train brakes.

| operator = [[Indian Railways]]
| fleetnumbers = 20200-20299
| totalproduction = 100
| aarwheels = B-B

| electricsystem = {{25 kV 50 Hz}} [[Alternating current|AC]] [[Overhead line|Overhead]]
| collectionmethod = [[pantograph (rail)|pantograph]]
| locale = All over [[India]]
| disposition = Retired
}}
The Indian locomotive class '''WAM-1''' is a class of 25 [[Volt|kV]] [[Alternating current|AC]] [[electric locomotive]]s that was developed in late 1950s by the ''Groupement 50Hz'' ( a consortium of European locomotive manufacturers) for [[Indian Railways]]. The model name stands for [[5 ft 6 in gauge railway|broad gauge (W)]], AC Current (A), Mixed traffic (M) engine, 1st generation (1). They entered service in 1960 thus making them India's first AC electric [[Electric locomotive|locomotive]]. A total of 100 WAM-1 were built by the European consortium between 1959 and 1961, which made them the most numerous class of mainline electric locomotive until the [[Indian locomotive class WAG-1|WAG-1.]]<ref>{{Cite web|url=https://24coaches.com/electric-locomotive-roster-the-wap-series/|title = Electric Locomotive Roster: The WAP Series!|date = September 3, 2016}}</ref><ref>{{cite web|access-date=2019-06-19|title=[IRFCA] A Brief History of Railway Electrification in India|url=https://www.irfca.org/articles/electric-2.html|website=www.irfca.org}}</ref>

The WAM-1 served both passenger and freight trains for over 40 years. This class though were initially not a great successes provided the basic design for the [[Indian locomotive class WAM-4|WAM-4]] which a number of other locomotives is based on. However, with the advent of new 3-phase locomotives like WAP-5 and WAP-7, the aging fleet of WAM-1 locomotives were relegated to hauling freight and doing shunting duties. Now the WAM-1 locomotives have been fully withdrawn from service and all expect one have been scrapped. The single surviving unit named 'Jagjivan Ram' has been preserved at [[National Rail Museum, New Delhi|NRM]] New Delhi.

== Locomotive shed ==
* All the locomotives of this class has been withdrawn from service.

==See also==

*[[History of rail transport in India]]
*[[Indian Railways]]
*[[Locomotives of India]]
*[[Rail transport in India]]

==References==
{{Notelist-lr}}

{{reflist}}

== External links ==
{{commons category|Indian locomotive class WAM1}}
*[https://24coaches.com/ac-electric-locomotives-roster-the-wam-class]
*[https://www.irfca.org/faq/faq-loco2e.html#wam-1 [IRFCA] Indian Railways FAQ: Locomotives—Specific classes : AC Electric]
*[https://www.irfca.org/faq/faq-specs.html#WAM-1 [IRFCA] Indian Railways FAQ: Diesel and Electric Locomotive Specifications]

{{Broad gauge locomotives of India}}

[[Category:25 kV AC locomotives]]
[[Category:B-B locomotives]]
[[Category:Electric locomotives of India]]
[[Category:Railway locomotives introduced in 1959]]
[[Category:5 ft 6 in gauge locomotives]]

Indian locomotive class WAM-1 - Revision history

AlannahHudspeth at 15:17, 20 March 2026

>Citation bot: Add: date, title. Changed bare reference to CS1/2. | Use this bot. Report bugs. | Suggested by BrownHairedGirl | Linked from User:BrownHairedGirl/Articles_with_bare_links | #UCB_webform_linked 252/1407