Krauss catalogue of 1872 0-4-0 Locomotives in Germany

Class 100 HP (Locobase 15542)

Data from table in "Four-wheeled Tank Locomotives", Engineering (4 October 1872), p. 234.

The Engineering report explains that Krauss's little tanks had recently enjoyed considerable success and that the builder had released a new prospectus. His notes described the conditions under which he expected his locomotives to work and his table gave the minimum gauges and curve radii. As a point of comparison, Krauss estimates typical consumption per horsepower per hour at 5 lb (2.27 kg) of coal and 33 lb (15 kg) or 4.85 US gallons (18.4 litres) of water.

Locobases 15537-15543 cover the range of locomotives shown in the table and discussed in the article.

Krauss said that the 100 HP size was "decidedly the best motive power" for "first-class narrow gauge railways". For one thing, the locomotive's light weight permitted the use of rail weighing no more than 33 lb/yard (16.5 kg/metre). It was also suitable for heavier-duty terminal switching (shunting) such as the "much-frequented Zurich station, where it gives general satisfaction."

Consumption figures per hour for the 100 HP would be 500 lb (227 kg) of coal and 485 US gallons (1,840 litres) of water. Minimum curve radii was given as 164 feet (50 metres). The 100 HP was rated at 320 tons on the level, 220 up 0.2%, 170 up 0.5%, 105 up 1%, 85 up 1.25%, 60 up 1.67%, 40 up 2.5%, and 22.5 up 5%. (The small increases in train loadings over the 60 HP size were most likely due to the adoption of larger drivers.)

Class 150 HP (Locobase 15543)

Data from table in "Four-wheeled Tank Locomotives", Engineering (4 October 1872), p. 234.

The Engineering report explains that Krauss's little tanks had recently enjoyed considerable success and that the builder had released a new prospectus. His notes described the conditions under which he expected his locomotives to work and his table gave the minimum gauges and curve radii. As a point of comparison, Krauss estimates typical consumption per horsepower per hour at 5 lb (2.27 kg) of coal and 33 lb (15 kg) or 4.85 US gallons (18.4 litres) of water.

Locobases 15537-15543 cover the range of locomotives shown in the table and discussed in the article.

Krauss intended this largest of his group of 0-4-0T designs to be used working goods traffic over a "first-class narrow gauge line" or to haul local passenger traffic on the main line. He presented this engine as the "proper transition type" between broad and narrow gauge operations and noted that in cases where the permanent way was lightly built, an additional axle could be added.

Consumption figures per hour for the 150 HP would be 750 lb (340 kg) of coal and 727.5 US gallons (2,754 litres) of water. Minimum curve radii was given as 262 feet (80 metres). The 100 HP was rated at 380 tons on the level, 260 up 0.2%, 200 up 0.5%, 115 up 1%, 95 up 1.25%, 67.5 up 1.67%, 45 up 2.5%, and 25 up 5%.

Class 20 HP (Locobase 15538)

Data from table in "Four-wheeled Tank Locomotives", Engineering (4 October 1872), p. 234.

The Engineering report explains that Krauss's little tanks had recently enjoyed considerable success and that the builder had released a new prospectus. His notes described the conditions under which he expected his locomotives to work and his table gave the minimum gauges and curve radii. As a point of comparison, Krauss estimates typical consumption per horsepower per hour at 5 lb (2.27 kg) of coal and 33 lb (15 kg) of water.

Locobases 15537-15543 cover the range of locomotives shown in the table and discussed in the article.

Krauss described the 20 and 30-hp locomotives as "very useful in the construction of railways; they can pass over a loose earth bank, although they show a considerable hauling power in proportion to their lightness." The builder noted that this weight class could operate on cheaply built railways using rails as light as 15 lb/yard (7.5 kg/metre) and had been employed on "wooden railroads laid with flat iron."

Consumption figures would be 100 lb/hour (45.4 kg) of coal and 97 US gallons (367.4 litres) of water. Minimum curve radii was given as 66 feet (30 metres). The 20 HP was rated at 100 tons on the level, 65 up 0.2%, 50 up 0.5%, 35 up 1%, 30 up 1.25%, 20 up 1.67%, 13 up 2.5%, and 7.5 up 5%.

Class 30 HP (Locobase 15539)

Data from table in "Four-wheeled Tank Locomotives", Engineering (4 October 1872), p. 234.

The Engineering report explains that Krauss's little tanks had recently enjoyed considerable success and that the builder had released a new prospectus. His notes described the conditions under which he expected his locomotives to work and his table gave the minimum gauges and curve radii. As a point of comparison, Krauss estimates typical consumption per horsepower per hour at 5 lb (2.27 kg) of coal and 33 lb (15 kg) of water.

Locobases 15537-15543 cover the range of locomotives shown in the table and discussed in the article.

Krauss described the 20 and 30-hp locomotives as "very useful in the construction of railways; they can pass over a loose earth bank, although they show a considerable hauling power in proportion to their lightness." The builder noted that this weight class could operate on cheaply built railways using rails as light as 15 lb/yard (7.5 kg/metre) and had been employed on "wooden railroads laid with flat iron."

Consumption figures for the 30 HP would be 150 lb/hour (68 kg) of coal and 145.5 US gallons (550 litres) of water. Minimum curve radii was given as 66 feet (30 metres). The 30 HP was rated at 150 tons on the level, 100 up 0.2%, 80 up 0.5%, 50 up 1%, 40 up 1.25%, 25.5 up 1.67%, 17.5 up 2.5%, and 10 up 5%.

Class 45 HP (Locobase 15540)

Data from table in "Four-wheeled Tank Locomotives", Engineering (4 October 1872), p. 234.

The Engineering report explains that Krauss's little tanks had recently enjoyed considerable success and that the builder had released a new prospectus. His notes described the conditions under which he expected his locomotives to work and his table gave the minimum gauges and curve radii. As a point of comparison, Krauss estimates typical consumption per horsepower per hour at 5 lb (2.27 kg) of coal and 33 lb (15 kg) or 4.85 US gallons (18.4 litres) of water.

Locobases 15537-15543 cover the range of locomotives shown in the table and discussed in the article.

Krauss said that railway contractors often used the 45- and 60-hp sizes on standard-gauge track for ballasting work and moving permanent way materials. These also were big enough to shunt (switch) in terminal yards or to haul mineral trains.

Consumption figures per hour for the 45 HP would be 225 lb (102 kg) of coal and 218.25 US gallons (826 litres) of water. Minimum curve radii was given as 131 feet (40 metres). The 45 HP was rated at 240 tons on the level, 160 up 0.2%, 120 up 0.5%, 80 up 1%, 60 up 1.25%, 42.5 up 1.67%, 26 up 2.5%, and 15 up 5%.

Class 60 HP (Locobase 15541)

Data from table in "Four-wheeled Tank Locomotives", Engineering (4 October 1872), p. 234.

The Engineering report explains that Krauss's little tanks had recently enjoyed considerable success and that the builder had released a new prospectus. His notes described the conditions under which he expected his locomotives to work and his table gave the minimum gauges and curve radii. As a point of comparison, Krauss estimates typical consumption per horsepower per hour at 5 lb (2.27 kg) of coal and 33 lb (15 kg) or 4.85 US gallons (18.4 litres) of water.

Locobases 15537-15543 cover the range of locomotives shown in the table and discussed in the article.

Krauss said that railway contractors often used the 45- and 60-hp sizes on standard-gauge track for ballasting work and moving permanent way materials. These also were big enough to shunt (switch) in terminal yards or to haul mineral trains. In addition to its larger boiler and grate, the 60 HP had larger drivers that allowed a higher average speed of 12 mph (19.3 km/h).

Consumption figures per hour for the 60 HP would be 300 lb (136 kg) of coal and 291.25 US gallons (1,101 litres) of water. Minimum curve radii was given as 164 feet (50 metres). The 60 HP was rated at 300 tons on the level, 210 up 0.2%, 160 up 0.5%, 100 up 1%, 80 up 1.25%, 55 up 1.67%, 35 up 2.5%, and 20 up 5%.

Class 7 HP (Locobase 15537)

Data from table in "Four-wheeled Tank Locomotives", Engineering (4 October 1872), p. 234.

The Engineering report explains that Krauss's little tanks had recently enjoyed considerable success and that the builder had released a new prospectus. His notes described the conditions under which he expected his locomotives to work and his table gave the minimum gauges and curve radii. As a point of comparison, Krauss estimates typical consumption per horsepower per hour at 5 lb (2.27 kg) of coal and 33 lb (15 kg) of water.

Locobases 15537-15543 cover the range of locomotives shown in the table and discussed in the article.

This was the smallest engine in the table and its consumption figures would be 35 lb/hour (15.9 kg) of coal and 34 US gallons (128.6 litres) of water. Krauss specifically suggested that this design be used in "furnaces, mines, and the circulation of factories, especially large ironworks." Minimum curve radii was given as 16.4 feet (5 metres). The 7 HP was rated at 30 tons on the level, 20 up 0.2%, 15 up 0.5%, 10 up 1%, 8 up 1.25%, 5.5 up 1.67%, 3.5 up 2.5%, and 2 up 5%.