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Baden XIV
later IV a
go back
Germany | 1866
46 produced
Image of locomotive

The class XIV was procured by the Grand Duchy of Baden State Railways from 1866 as a simply designed locomotive for slower passenger trains and possibly also for freight trains. In the new scheme of 1868 it was given the designation IV a. It is characterized by the fact that all were later rebuilt to tank locomotives

The original model had only two driving axles and a two-axle tender. The driving wheels were fixed in an outside frame with outside cylinders. However, only the connecting and coupling rods were on the outside, while the valve gear was on the inside.

Because the entire weight of the locomotive was carried on the driving wheels, it had a high tractive effort and was also used to pull freight trains. Trains weighing more than 1,000 tons could be moved at 45 km/h on almost level lines. By 1868, 46 examples had been produced in three batches, which were manufactured by the Karlsruhe and Grafenstaden factories.

When significantly faster and more powerful tender locomotives became available in 1880, rebuilding of all engines to tank locomotives began. The cab was now closed all around and got a coal bunker on the back. Due to the resulting greatly increased overhang, a fixed trailing axle was installed, which means that the locomotives now had a 0-4-2 wheel arrangement. The water tanks were now on the side of the boiler, the latter also being new.

These rebuilds increased the service weight from 27 to 41.2 tonnes and by increasing the boiler pressure from 116 to 131 psi, the power could also be improved. Despite the trailing axle, there was still a large overhang, which meant that weight distribution was still a problem and repeatedly led to derailments. Thus, the withdrawals took place around 1900, when the rebuilding of the last locomotives was only 14 years ago.

Variantas builtrebuilt as tank engine
General
Built1866-18681880-1886
ManufacturerMBG Karlsruhe, Grafenstaden
Axle config0-4-0 (Four-coupled) 0-4-2T 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length43 ft 9 9/16 in31 ft 0 1/16 in
Wheelbase8 ft 6 3/8 in14 ft 1 5/16 in
Rigid wheelbase8 ft 6 3/8 in14 ft 1 5/16 in
Empty weight52,470 lbs71,871 lbs
Service weight59,525 lbs90,830 lbs
Adhesive weight59,525 lbs
Axle load29,762 lbs
Water capacity1,498 us gal1,004 us gal
Fuel capacity4,409 lbs (coal)3,307 lbs (coal)
Boiler
Grate area12.5 sq ft
Firebox area66.6 sq ft57.5 sq ft
Tube heating area873.1 sq ft879.9 sq ft
Evaporative heating area939.7 sq ft937.4 sq ft
Total heating area939.7 sq ft937.4 sq ft
Variantas builtrebuilt as tank engine
Power Plant
Driver diameter66.14 in
Boiler pressure116 psi130 psi
Expansion typesimple
Cylinderstwo, 17 1/8 x 24 in
Power
Power sourcesteam
Estimated power228 hp (170 kW)241 hp (180 kW)
Top speed39 mph
Starting effort10,501 lbf11,813 lbf
Calculated Values
Optimal speed14 mph13 mph
steam locomotive
passenger
tank locomotive
last changed: 01/2022
Rebuilt as tank engine
Rebuilt as tank engine
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