Background and overview
JR West delivered five kiha41-2000 double-cab diesel multiple unit (DMU) vehicles by fitting existing kiha47-1000 vehicles with an additional cab section for single-car operation in order to fit the transportation capacity to the unelectrified Bantan line between Teramae and Wadayama having poor transportation need as the start of electrified Bantan line between Himeji and Teramae in 1998.
Car body
An additional flat shaped cab section having a gangway door is fitted where
the rear of the body is cut off. A destination rollsign, two headlights,
and two taillights are fitted at the same position of existing cab. An
air conditioner, AU34, rated at 26,000kcal/h is fitted under their floor.
Their bodies are painted in dark red which is also applied for 103-3500
series EMU used on the electrified section of Bantan line.
Bogies
They are equipped with a powered bogie, DT22D, and a trailer bogie, TR51C, featuring pedestal guide type journal supporting system, coil springs secondary suspension, and 1-axle drive. Brake rigging is the single tread brake powered by the body mounted brake cylinder.
Traction unit and ancillary equipments
Class kiha41-2000 vehicles are powered by a diesel prime mover, SA6D125H-1A,
with a power output of 330PS. Their hydraulic transmission gear is KTF3335A-1,
having two-staged slipping range three-staged direct coupled range. Their
brake system is the automatic electromagnetic (CLE) air brake.
Accommodation
Seating is arranged as mixture of longitudinal bench seating and 4-seat
transverse seating bays with 1470mm seating pitch. Electric fans are fitted
under the ceiling. An additional Japanese style toilet with a chemical
holding tank is located behind an co-driver's seat of the additional cab.
A chemical holding tank is fitted between the obstacle deflector and the
rear bogie. A water tank is fitted inside the wall of the toilet. They
are equipped with the ticket machines to issue the ticket indicating the
boarding station at the doorways, the fare box near a driver's seat, and
the fare display behind a cab for the conductor-less operation.
Modification
The refurbishment programme was commenced in having body repairment, replacement with flush surfaced window frame made of aluminum, decorative panel replacement, and buttons to open/close doors manually, and an air conditioner replacement with a prime mover driven air conditioner, WAU201, rated at 27,000kcal/h for life-extension between 2002 and 2006. Their livery was also changed into vermilion.
Operations
Class kiha41-2000 vehicles are now used on the rural services between Teramae
and Wadayama of the Bantan line. |
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