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Trans-Andes Railway No. 9 and 11
Chile | 1908 | 2 produced
Maschinenfabrik Esslingen

As an alternative to the eight class Z Kitson-Meyer rack locomotives, Maschinenfabrik Esslingen supplied these two locomotives. They had a front bogie with three carrying axles and three rack pinions for the Abt system. The rear bogie had four coupled axles for the adhesion drive. Initially, a condensation device was installed, which was soon removed.

They were numbered 9 and 11 from the factory, the 9 was soon renumbered to 10. The number 10 derailed after a short time in the mountains between Juncal and Portillo, where salvage was uneconomical. It was left in place and no further locomotives of this type were built.

General
Built1908
ManufacturerEsslingen
Axle config6-8-0RT 
Gauge3 ft 3 3/8 in (Meter gauge)
Dimensions and Weights
Fixed wheelbase11 ft 5 13/16 in
Empty weight145,725 lbs
Service weight187,503 lbs
Adhesive weight110,848 lbs
Axle load28,307 lbs
Water capacity2,272 us gal
Fuel capacity7,716 lbs (coal)
Power
Power sourcesteam
Estimated power1,073 hp (800 kW)
Optimal speed23 mph
Power Plant
Driver diameter35.8 in
Boiler pressure218 psi
Expansion typecompound
Cylindersfour, HP: 15 3/8 x 19 11/16 in
and LP: 21 1/4 x 17 11/16 in
Boiler
Grate area35.3 sq ft
Firebox area115.2 sq ft
Tube heating area2,067.7 sq ft
Evaporative heating area2,182.9 sq ft
Total heating area2,182.9 sq ft
Calculated Values
steam locomotive
cog railway
tank locomotive
freight
last changed: 03/2023
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