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South African type XF1 tender

South African type XF1 tender
Type XF1 drawing.jpg
SAR dimensional drawing
Type and origin
Designer South African Railways
Builder South African Railways
In service c. 1925
Specifications
Configuration 2-axle bogies
Gauge 3 ft 6 in (1,067 mm) Cape gauge
Length 22 ft 6 18 in (6,861 mm)
Bogies Diamond frame
Wheel dia. 34 in (864 mm)
Wheelbase 15 ft 7 in (4,750 mm)
 • Bogie 5 ft 7 in (1,702 mm)
Axle load 11 LT 4 cwt (11,380 kg)
 • Front bogie 20 LT 5 cwt (20,570 kg)
 • Rear bogie 22 LT 8 cwt (22,760 kg)
Weight empty 43,136 lb (19,566 kg)
Weight w/o 42 LT 15 cwt (43,440 kg)
Fuel type Coal
Fuel cap. 10 LT (10.2 t)
Water cap. 3,000 imp gal (13,600 l)
Stoking Manual
Couplers Drawbar & Johnston link-and-pin
Drawbar & AAR knuckle (1930s)
Career
Operators South African Railways
Numbers SAR N37-N46
Type and origin
Designer South African Railways
Builder South African Railways
In service c. 1925
Specifications
Configuration 2-axle bogies
Gauge 3 ft 6 in (1,067 mm) Cape gauge
Length 22 ft 6 18 in (6,861 mm)
Bogies Diamond frame
Wheel dia. 34 in (864 mm)
Wheelbase 15 ft 7 in (4,750 mm)
 • Bogie 5 ft 7 in (1,702 mm)
Axle load 11 LT 4 cwt (11,380 kg)
 • Front bogie 20 LT 5 cwt (20,570 kg)
 • Rear bogie 22 LT 8 cwt (22,760 kg)
Weight empty 43,136 lb (19,566 kg)
Weight w/o 42 LT 15 cwt (43,440 kg)
Fuel type Coal
Fuel cap. 10 LT (10.2 t)
Water cap. 3,000 imp gal (13,600 l)
Stoking Manual
Couplers Drawbar & Johnston link-and-pin
Drawbar & AAR knuckle (1930s)
Career
Operators South African Railways
Numbers SAR N37-N46

The South African type XF1 tender was a steam locomotive tender.

Ten Type XF1 tenders were built as spare tenders by the South African Railways during the 1920s. They were apparently not allocated to or built for any particular class of locomotive, but were suitable for use with a wide variety of serving engines.

During the 1920s, ten Type XF1 tenders were built as spare tenders by the South African Railways (SAR).

These tenders had a modern appearance, with flush sides all the way to the top of the coal bunker. They were very similar in appearance to those Type XF tenders which had been rebuilt by the SAR by mounting a completely new upper structure on the existing underframes. They had the same water capacity of 3,000 imperial gallons (13,600 litres) and coal capacity of 10 long tons (10.2 tonnes) as the Type XF, but rode on diamond frame bogies with a 12 inches (305 millimetres) longer wheelbase per bogie.

Tenders were usually numbered for the engines they were delivered with. The ten Type XF1 tenders were built as spare tenders, suitable for use with a wide variety of serving engines, and were therefore not numbered for specific engines but in the tender number range from N37 to N46. The "N" number prefixes usually indicated non-revenue earning vehicles.

Since many tender types are interchangeable between different locomotive classes and types, a tender classification system was adopted by the SAR. The first letter of the tender type indicates the classes of engines to which it can be coupled. The "X_" tenders could be used with the following locomotive classes:

The second letter indicates the tender's water capacity. The "_F" tenders had a capacity of 3,000 imperial gallons (13,600 litres; 3,600 US gallons).

A number, when added after the letter code, indicates differences between similar tender types, such as function, wheelbase or coal bunker capacity.


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