China Railway Tianan

Tianan
Manufacturer	CSR Qingdao Sifang
Constructed	1995
Number built	1 set, 1 motor car
Formation	1M
Operators	China Ministry of Railway
Specifications
Train length	25.5 m
Width	3.106 m
Height	4.771 m
Maximum speed	Design: 120 km/h (70 mph)
Power output	2×235 kW Deutz AG DF8L413
Tractive effort	390 kW (520 hp) (total traction)
Transmission	Hydraulic
Track gauge	1,435 mm (4 ft 8+1⁄2 in) (Standard gauge)

The China Railway Tianan is a hydraulic transmission executive/inspection diesel multiple unit developed by CSR Sifang, designed for speeds of 120 km/h and resistant to severe cold.

Description

The Tian'an 2001 hydraulic transmission diesel executive/inspection multiple unit is a vehicle jointly designed by Qingdao Sifang and Shenyang Railway Bureau, and manufactured by Qingdao Sifang. It integrates locomotive and passenger car functions, has its own power, and can operate independently. It is primarily used for railway accident command and inspection tours. The vehicle is equipped with office, rest, and living facilities. It utilizes a DEUTZ DF8L413 air-cooled diesel engine produced with imported German technology, a newly self-designed SF2003 hydraulic transmission, and bogies featuring a two-stage high coil spring suspension structure with a B0-B0 axle arrangement. It was manufactured in 1995, underwent appraisal tests in 1996, and passed ministerial-level appraisal in 1997. ^[1]

Operational History

Currently stored (sealed) at the Sujiatun Locomotive Depot.

References

1. "九五"期间我国铁路机车车辆技术的新发展和新突破(续一)". kns.cnki.net. Retrieved 2025-08-05.