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Page views since 2023-01-26: 881910
Western Pacific class TP-29
United States | 1908
36 produced
No. 94 in 1958 on the streets of Oakland California
No. 94 in 1958 on the streets of Oakland California
collection Taylor Rush

The first 16 of these oil-fired ten-wheelers were delivered to the Western Pacific in 1908, followed by 20 more the following year. ALCO-Brooks asked for a price of between 13,247 and 14,585 dollars per locomotive. These locomotives opened passenger service through the Feather River Canyon in 1910. They were soon retrofitted with superheaters. Most were retired in the thirties or fourties. The 94 was in service until 1953, featured at the Western Pacific 50th anniversary celebrations, and pulled excursion trains from 1979 to 1986.

Variantas builtsuperheated
General
Built1908-19091909
ManufacturerALCO
Axle config4-6-0 (Ten-wheeler) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Wheelbase24 ft 4 in
Rigid wheelbase13 ft 6 in
Total wheelbase57 ft 11 in
Service weight181,000 lbs
Adhesive weight135,000 lbs
Total weight308,460 lbs313,000 lbs
Axle load45,000 lbs
Water capacity6,000 us gal7,000 us gal
Fuel capacity3,070 us gal (oil)3,019 us gal (oil)
Boiler
Grate area33.5 sq ft33.6 sq ft
Firebox area193 sq ft228 sq ft
Tube heating area2,404 sq ft2,017 sq ft
Evaporative heating area2,597 sq ft2,245 sq ft
Superheater area568 sq ft
Total heating area2,597 sq ft2,813 sq ft
Variantas builtsuperheated
Power Plant
Driver diameter67 in
Boiler pressure200 psi
Expansion typesimple
Cylinderstwo, 21 x 26 in
Power
Power sourcesteam
Estimated power1,000 hp (746 kW)1,400 hp (1,044 kW)
Optimal speed22 mph31 mph
Starting effort29,093 lbf
Calculated Values
steam locomotive
passenger
last changed: 07/2023
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