BCNA

Definition : Bogie Covered Watertight wagon with cast steel bogie & Air brake


BCNABCNA wagon - The BCNA wagon, also known as 'BCN/A', is a variant of the BCN design was developed to be less long but increased height to keep the capacity the same. It has welded construction compared to the original BCN which was riveted. BCNA wagons are covered bogie wagons (capable of being made water-tight for delicate commodities) with cartridge tapered roller bearings, cast steel bogie, air brakes. Two doors on each side. Uses BCN design's 2-tonne overload capacity. Also very common, there are more than 42,000 of these in use [2006]. Used for foodstuffs, cement, etc. (but see the BCCN wagon below, especially for cement transport, and BCX, which are also used for bulk food transport).

BCNA means Bogie Covered Watertight wagon with cast steel bogie & air brake.

How are freight cars classifed by IR?
The following codes are used now for classifying freight cars. The classification scheme is not entirely systematic. Older wagons especially have codes that are not easily explained in this way. But in general an optional gauge code is followed by a type code which is followed by an indication of the coupler and whether the wagon is air-braked.

Gauge code
M : (prefix) MG
N : (prefix) NG
Wagon type code
B : (prefix) Bogie wagon (sometimes omitted)
BV : Brake van
V : Brake/parcel van (see above for brake van codes)
O : Open wagon (gondola)
C : Covered wagon (boxcar)
F : Flat car
FK : Flat car for container transport
FU : Well wagon
LA : Low flat car with standard buffer height
LB : Low flat car with low buffer height
LAB : Low flat car, one end with low buffers, the other with high buffers
R : Rail-carrying wagon
T : Tanker (additional letters indicate material carried)
U : Well wagon
W : Well wagon
K : Open wagon: ballast / material / refuse transport (older wagons)
C : Centre discharge
S : Side discharge
R : Rapid (forced) discharge, bottom discharge
X : Both centre and side discharge
X : (also?) High sided
Y : Low (medium?) side walls
L : Low sided
H : Heavy load
The ‘B’ indication is sometimes omitted as all new wagons are bogie stock.

Following the type code in the classification code a letter may denote the type of coupler, nowadays optional, as all new freight cars are fitted with centre buffer couplers (CBC). An 'N' suffix is for 'pneumatic', or air-braked wagons. Most newer stock that is air-braked also has CBC couplers, so the 'C' is usually dropped. E.g., BOXN for air-braked BOX wagons, not BOXCN. Almost all the older stock is vacuum-braked.

Coupler, brake, and other suffixes:
C = Centre buffer coupler (CBC)
R = Screw coupling only
T = Transition coupler (CBC with additional side buffers and screw coupling)
N = Air-braked
M = (suffix) Military




WDM-3A

The Indian locomotive class WDM-3A is a class of diesel-electric locomotive that was developed in 1993 by Banaras Locomotive Works (BLW), Varanasi for Indian Railways. The model name stands for broad gauge (W), Diesel (D), Mixed traffic (M) engine, with 3300 horsepower (3A). The WDM-3A is a later classification of earlier WDM-2C. They entered service in 1994. A total of 143+ WDM-3A was built at ALCO and Banaras Locomotive Works (BLW), Varanasi between 1994 and 2003 with rest of the 1246 units being rebuild from WDM-2 which made them the most numerous class of mainline diesel locomotive until the WDG-4.

Bangladesh Railway Class 6500 is a class of 1,676 mm gauge diesel-electric locomotives owned by Bangladesh Railway. There are 36 locomotives of this class, all manufactured by the Banaras Locomotive Works of India. All locomotives of this class are in service.

In 2012, Bangladesh Railway ordered broad-gauge diesel-electric locomotives from India, modeled as WDM 3A. These 26 locomotives were imported in Bangladesh in 2012, 2013 and 2014.These locomotives have a power of 3100 hp, the highest for any locomotives in Bangladesh. They are fitted with AAR coupling and have a gear ratio of 65:18.Unlike their Indian counterparts, these locomotives do not have the Dynamic Braking System. These locomotives are marked as BED-30 that stands for broad gauge (B), Diesel-electric (E), manufactured by DLW (D), engine with 30 * 100 hp (30) and numbered as 6501 - 6526.


1/8/2021


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