Indian locomotive class WAG-5

The Indian locomotive class WAG-5 is a class of 25 kV AC electric locomotives that was developed in the 1968 by Chittaranjan Locomotive Works for Indian Railways. The model name stands for broad gauge, AC Current, Goods traffic engine, 5th generation. They entered service in 1980. A total of 1196 WAG-5 were built at CLW and BHEL between 1970 and 1998, which made them the most numerous class of mainline electric locomotive till its successor the WAG-7.
The WAG-5 is one of the most successful locomotives of Indian Railways currently serving both freight and passenger trains for over 50 years. This class provided the basic design for a number of other locomotives like, WAG-7 and the WCM-6. However, with the advent of new 3-phase locomotives like WAG-9 and WAG-12, the WAG-5 locomotives were relegated to hauling smaller passenger trains and now the aging fleet the WAG-5 locomotives are slowly being withdrawn from mainline duties and scrapped.

History

WAG5A is the one with Alstom traction motors. WAG5B is a converted WAM4. WAG5H is with Hitachi traction motors. WAG5P is a passenger dedicated class. WAG5D are fitted with dual brakes and WAG5E are fitted with air brakes. WAG5RH and WAG-5HR are fitted with Rheostatic or Friction braking. Another variant is WAG-5HG.The units with additional '6P' markings have all parallel grouped traction motors. WAG-5HB is built by BHEL. Some units are fitted with Static Converter, Microprocessor, Dynamic brake resistors and SI unit. Due to the advent of WAG-7 and WAG-9, these locos except WAG-5HA/HB are even used for passenger trains although it is a freight-dedicated locomotive. WAG-5HB is homed at Jhansi shed near BHEL's installations for maintenance purposes. WAG-5 has a shell of WAM-4. Units numbered till 23293 have side Louvre and round glass windows like WAM-4 and units after 23293 have WAG-7 style of Louvre for better ventilation. Recently, WAG-5 have been fitted with data loggers. Unit numbered 23026 was selected by RDSO for adoption of thyristor controlled electricals in 1995. This was done due to the loss of suppliers of tap changer control. Project began in 1992. The new prototype system built in collaboration with Bhabha Atomic Research Centre was fitted in the locomotive between 1997–98. However, due to several problems like interference with signalling equipment, the project was ceased in 1999. The engine was rebuilt to original WAG-5 and designated as WAG-5P.

Technical Specification

Locomotive sheds

Hauling capacity

WAG-5HB has the following capacity for BOXN :

Gradient	Start	20 km/h	30 km/h	40 km/h	50 km/h	60 km/h	70 km/h	80 km/h
Level	6000+	6000+	6000+	6000+	6000+	6000+	2490	2671
1 in 500	6000+	5933	5645	5308	4947	4141	2490	1645
1 in 200	3600	3182	3093	2985	2861	2464	1511	1018
1 in 150	2800	2519	2461	2390	2308	2002	1231	831
1 in 100	1940	1759	1730	1692	1648	1440	884	595
1 in 50	1150	890	880	869	855	751	448	290

WAG-5HB has the following capacity for BOX wagons :

Gradient	Start	20 km/h	30 km/h	40 km/h	50 km/h	60 km/h	70 km/h	80 km/h
Level	6000+	6000+	6000+	6000+	6000+	6000+	6000+	4478
1 in 500	4950	4950	4950	4950	4950	4950	3221	2209
1 in 200	3429	3365	3286	3195	2806	2464	1761	1219
1 in 150	2924	2682	2632	2582	2523	2224	1395	964
1 in 100	2246	1839	1814	1789	1758	1555	969	664
1 in 50	1300	911	903	896	886	783	471	309

WAG-5HB has the following capacity for BCNA wagons :

Gradient	Start	20 km/h	30 km/h	40 km/h	50 km/h	60 km/h	70 km/h	80 km/h
Level	6000+	6000+	6000+	6000+	6000+	6000+	6000+	4713
1 in 500	5775	5770	5775	5775	5775	5121	3382	2266
1 in 200	3810	3602	3512	3411	3310	2714	1762	1233
1 in 150	3198	2782	2726	2663	2599	2140	1390	972
1 in 100	2407	1890	1863	1832	1798	1485	994	700
1 in 50	1354	920	912	902	893	742	483	310

WAG-5HB has the following capacity for ICF coaches :

Gradient	Start	20 km/h	30 km/h	40 km/h	50 km/h	60 km/h	70 km/h	80 km/h
Level	6000+	6000+	6000+	6000+	6000+	6000+	6000+	4713
1 in 500	5775	5770	5775	5775	5775	5121	3382	2266
1 in 200	3810	3602	3512	3411	3310	2714	1762	1233
1 in 150	3198	2782	2726	2663	2599	2140	1390	972
1 in 100	2407	1890	1863	1832	1798	1485	994	700
1 in 50	1354	920	912	902	893	742	483	310

WAG-5 with a gear ratio of 15:62 has the following capacity for BOX wagons :

Gradient	Start	20 km/h	30 km/h	40 km/h	50 km/h	60 km/h	70 km/h	80 km/h	90 km/h	100 km/h	105 km/h
Level	6000+	6000+	6000+	6000+	6000+	6000+	6000+	4870	3235	2340	1825
1 in 500	4650	4650	4650	4650	4650	4420	3370	2400	1655	1235	975
1 in 200	3235	3235	3170	3100	3010	2390	1850	1330	920	690	540
1 in 150	2740	2525	2480	2430	2375	1890	1460	1050	725	545	420
1 in 100	2105	1730	1705	1680	1650	1310	1020	730	495	365	275
1 in 50	1215	855	845	835	830	650	500	340	220	150	100

WAG-5 with a gear ratio of 17:77 has the following capacity for BOX wagons :

Gradient	Start	20 km/h	30 km/h	40 km/h	50 km/h	60 km/h	70 km/h	80 km/h
Level	6000+	6000+	6000+	6000+	6000+	6000+	4280	2820
1 in 500	4950	4950	4950	4950	4900	2980	2000	1370
1 in 200	3430	3430	3430	3400	2640	1590	1070	730
1 in 150	2920	2780	2730	2680	2080	1250	840	570
1 in 100	2240	1910	1880	1850	1440	860	570	380
1 in 50	1300	950	940	930	720	410	250	150

WAG-5 with a gear ratio of 17:77 has the following capacity for BOXN wagons :

Gradient	Start	20 km/h	30 km/h	40 km/h	50 km/h	60 km/h	70 km/h	80 km/h
Level	6000+	6000+	6000+	6000+	6000+	6000+	4600	2970
1 in 500	5770	5770	5770	5770	5250	3120	2070	1400
1 in 200	3810	3700	3610	3510	2710	1630	1100	750
1 in 150	3200	2860	2800	2740	2130	1270	850	570
1 in 100	2400	1950	1920	1890	1460	870	580	380
1 in 50	1350	960	950	940	720	410	260	150

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