railway axle electric locomotive for line service

Product Overview

Description

 diesel locomotive

 

Introduction: DD7D locomotive is AC-DC transmission diesel locomotive which can undertake passenger and freight traction transport on trunk lines, secondary trunk lines in mountain areas and railways in extremely cold areas. The locomotive is divided into three types: 1. mountain type double heading passenger and freight diesel locomotive; 2. cold-proof type double heading passenger and freight diesel locomotive; 3. standard type double-cab passenger and freight diesel locomotive. DF7D diesel locomotive is equipped with 12V240/275 series diesel engine and its main components and parts are interchangeable with 16V240/275 series diesel engine of current trunk-line prime type passenger and freight diesel locomotive. DF7D diesel locomotive possesses excellent economy and advanced technology. Equipped with specially designed bogie, the mountain type locomotive has good dynamic curve negotiation performance upon service on small curves in mountainous areas. Equipped with reinforced cold-proof facilities, the cold-proof type locomotive is very applicable to extremely cold areas in the northeast.

 

Technical parameters:

Basic technical data	140
Axle arrangment	Bó Bó
Rail gauge	1 435 mm
Traction system	3 kV
Locomotive body lenght	14 500 mm
Width	2 950 mm
Height with pantographs lowered	4 500 mm
Fixed wheelbase	3 330 mm
Total wheelbase	11 500 mm
Distance between pivots	8 170 mm
Minimal curve radius	120 m
Service weight	82 t
Sustained traction	110 kN
Hourly traction	140 kN
The maximum tensile strength	212 kN
Permanent speed	66,5 km/h
Maximum speed	120 km/h

 

 

 

We can supply any kindsof locomotives , pls feel free to contact us . thanks .