Cibebek Railway 4000 Series

The Cibebek Railway 4000 Series is an electric multiple unit (EMU) train type operated by the Karasem Railway subsidiary railway operator Cibebek Railway since 2007 on many of its commuter lines in the Cibebek-Kota Baru of Karasem. It's the first modern train sets manufactured by Karasem national train manufacturer Kamogawa Train Industry in cooperation with several overseas company from east asia.

Background
In early 2000s, Cibebek Railway planned to buy Rolling Stock in order to replace the aged 2000 Series and 3000 Series which has been operating in Cibebek Metropolitan Area since 1970s. In addition, the company also planned to extend their network in near future adding more demand of rolling stock.

In 2006, Cibebek Railway designed the Cibebek Railway 4000 Series as the successor of previous 3000 series heavily based on Tokyu 5000 series manufactured by Tokyu Car Corporation who won the previous tender of procurement. In addition, previously Cibebek Railway also bought the used Tokyu 8000 series from same company in 2005 as the solution of rolling stock shortage.

Production of 4000 Series started in third quarter of 2006 and first set of the fleet sent in August 2007. First commercial of the set commenced at 19 November 2007, about 3 month after the delivery. Total 6 cars in first batch sent within 2 years. From second batch procurement (set 4107f onward), other company involved in the production of this train set in order to save production time including the local train manufacturer Kamogawa Train Industry.

In 2010 8 car variant of this series launched as 4060 series (car 4161f onward) for lower demand lines and non peak regular operation.

Design
The design is very heavily based on Tokyu 5000 series which based on previous JR East E231 series. Exterior of the train made of Stainless steel. One car had 4 door on its side with openable windows between in case of emergency. All trains are equipped with interior LCD screens, displaying the station names and additional informations, and automatic announcements on both Karaseman Malay and English. Seating made of Moquette fabric in Red color to provide additional comfort compared to the plastic seating on KNR 135 Series

Compared to previous 3000 Series. 4000 Series is the first modern urban train in Karasem with rather complete additional facilites.

Variants
There are 2 variations of the design of the 4000 series trains which basically based on the train formation itself, the 4000 Series which has 10 car per trainset and 4060 which has 8 car per trainset.

Formation
The ten-car sets are formed as below

The M1' and M2' cars each have two single-arm pantographs, and the M car is fitted with one.

While the eight-car 4060 series sets formed as below:

Fleet History
The individual set histories for 4000 Series are as shown below.

As for 8 cars 4060 series, the individual set histories are as shown below. Please note that the car procured in same batch with the 10 cars 4000 series in overal

Further Readings

 * Tokyu 5000 series The design that the train based on.