USATC S118 Class

USATC S118 class

Type and originPower typeSteamBuilderAmerican Locomotive Company (338), Baldwin Locomotive Works (253+33), Davenport Locomotive Works (67+6), HK Porter (25+5), Vulcan Iron Works (58+8)Build date1942–1945 (for USATC), 1945–1948 (copies)Total produced741 for USATC, 52 copies

Type and origin

Power typeSteam

BuilderAmerican Locomotive Company (338), Baldwin Locomotive Works (253+33), Davenport Locomotive Works (67+6), HK Porter (25+5), Vulcan Iron Works (58+8)

Build date1942–1945 (for USATC), 1945–1948 (copies)

Total produced741 for USATC, 52 copies

SpecificationsConfiguration:• Whyte 2-8-2• UIC1′D1′ h2Gauge 3 ft (914 mm) 1,000 mm (3 ft 3+3⁄8 in) metre gauge 3 ft 6 in (1,067 mm)Leading dia.26 in (660 mm)Driver dia.48 in (1,219 mm)Trailing dia.30 in (762 mm)Length59 ft 5+1⁄2 in (18,123 mm)Adhesive weight80,000 lb (36,300 kilograms; 36.3 metric tons)Loco weight119,000 lb (53,980 kilograms; 53.98 metric tons)Tender weight96,700 lb (43,860 kilograms; 43.86 metric tons)Fuel typeCoal or fuel oilFuel capacity18,000 lb (8,160 kilograms; 8.16 metric tons)Water cap.5,000 US gal (18,927 L; 4,163.4 imp gal)Firebox:• Grate area27.7 sq ft (2.57 m2)Boiler pressure185 lbf/in2 (1.28 MPa)Heating surface:• Firebox115 sq ft (10.7 m2)• Tubes and flues1,256 sq ft (116.7 m2)• Total surface1,371 sq ft (127.4 m2)Superheater:• Heating area374 sq ft (34.7 m2)CylindersTwo, outsideCylinder size16 in × 24 in (406 mm × 610 mm)Valve gear Indirect WalschaertsValve typePiston valves Loco brake Air Train brakesAirCouplersKnuckle

Specifications

Configuration

• Whyte2-8-2

• UIC1′D1′ h2

Gauge3 ft (914 mm) 1,000 mm (3 ft 3+3⁄8 in) metre gauge 3 ft 6 in (1,067 mm)

Leading dia.26 in (660 mm)

Driver dia.48 in (1,219 mm)

Trailing dia.30 in (762 mm)

Length59 ft 5+1⁄2 in (18,123 mm)

Adhesive weight80,000 lb (36,300 kilograms; 36.3 metric tons)

Loco weight119,000 lb (53,980 kilograms; 53.98 metric tons)

Tender weight96,700 lb (43,860 kilograms; 43.86 metric tons)

Fuel typeCoal or fuel oil

Fuel capacity18,000 lb (8,160 kilograms; 8.16 metric tons)

Water cap.5,000 US gal (18,927 L; 4,163.4 imp gal)

Firebox

• Grate area27.7 sq ft (2.57 m2)

Boiler pressure185 lbf/in2 (1.28 MPa)

Heating surface

• Firebox115 sq ft (10.7 m2)

• Tubes and flues1,256 sq ft (116.7 m2)

• Total surface1,371 sq ft (127.4 m2)

Superheater

• Heating area374 sq ft (34.7 m2)

CylindersTwo, outside

Cylinder size16 in × 24 in (406 mm × 610 mm)

Valve gearIndirect Walschaerts

Valve typePiston valves

Loco brakeAir

Train brakesAir

CouplersKnuckle

Performance figuresTractive effort20,100 lbf (89.4 kN)Factor of adh.3.98

Performance figures

Tractive effort20,100 lbf (89.4 kN)

Factor of adh.3.98

CareerOperatorsUnited States Army Transportation Corps White Pass and Yukon Route Tweetsie Railroad Dollywood Express Zig Zag Railway Queensland Rail ClassS118Numbers3000–3029, 130–249, 257–639, 661–788, 811–890LocaleNorth America, South America, North Africa, West Africa, East Africa, Middle East, South and South East Asia, Australia

Career

OperatorsUnited States Army Transportation Corps White Pass and Yukon Route Tweetsie Railroad Dollywood Express Zig Zag Railway Queensland Rail

ClassS118

Numbers3000–3029, 130–249, 257–639, 661–788, 811–890

LocaleNorth America, South America, North Africa, West Africa, East Africa, Middle East, South and South East Asia, Australia

Reference:

The United States Army Transportation Corps (USATC) S118 Class is a class of 2-8-2 steam locomotive. Built to either 3 ft (914 mm), 1,000 mm (3 ft 3+3⁄8 in) metre gauge or 3 ft 6 in (1,067 mm) gauge, they were used in at least 24 different countries.

Based on Australia's new C17 class locomotives, their specifications were forwarded to the United States where the United States Army Transportation Corps (USATC) drew up plans for a 2-8-2 with specifications similar to a C17 class. 741 were built in the period late 1942–1945 with a further 52 appearing between 1945 and 1948. They were built by Baldwin (253+33), Alco (338), Porter (25+5), Davenport (67+6) and Vulcan (58+8) in the United States. The first thirty were numbered 3000–3029, with subsequently locomotives numbered 130–249, and 257–889. Locomotives 640–660 and 789–810 were cancelled.

The first twenty locomotives (3000–3019) were sent to Nigeria. Eleven, (190–200), were converted to 3 ft (914 mm) gauge by putting 3 in (76.2 mm) wide spacers (rings) between the wheels and the truck side frames on same length axles, and delivered to the White Pass and Yukon Route in Alaska. Twenty (216–235) were delivered to Queensland where they formed the Queensland Railways' AC16 Class. Others were sent to North Africa, the Gold Coast (Africa), Iraq, India, and Burma.

After the war, surplus locomotives were sold to Malaya, the Philippines (as Manila Railroad 850 class), Siam, Cambodia, Cameroon, Tanganyika, northern Argentina, Taiwan and the United Fruit Company (for operations in Costa Rica and Honduras).

Copies

Baldwin built 33 copies for the Indian Railways, Porter built two for the Chemins de Fer des Grands Lacs in the Belgian Congo, Vulcan built a batch of eight for the Piraeus, Athens and Peloponnese Railways (SPAP) in Greece (class Δ). Davenport built six with a higher boiler pressure for the Chemin de Fer Franco-Ethiopien de Djibouti á Addis-Ababa.

Survivors

14 S118 locomotives were preserved:

No.	Builder	Post WW2 Owner	Current owner	Location	Status	Notes
190	Baldwin 69425	White Pass and Yukon Route	Tweetsie Railroad	United States Blowing Rock, North Carolina, United States	Operational	Named "The Yukon Queen".
192	Baldwin 69427	White Pass and Yukon Route	Dollywood	United States Pigeon Forge, Tennessee, United States	Operational	Named "Klondike Katie".
195	Baldwin 69430	White Pass and Yukon Route	City of Skagway	United States Skagway, Alaska, United States	Displayed
218	Baldwin 69453	Queensland Railways	Zig Zag Railway	Australia Lithgow, New South Wales, Australia	Under overhaul	Named "The Yank"
221	Baldwin 69456	Queensland Railways	Queensland Rail	Australia Ipswich, Queensland, Australia	Operational	Mainline Certified
1798	Baldwin 74011	Northeast Frontier Railway		India New Jalpaiguri, India	Operational	Post war copy
Δ-101	Vulcan 4700	Piraeus, Athens and Peloponnese Railways	OSE	Greece Myloi, Greece	Dumped	Post-war copy, later SEK No. 7101
Δ-102	Vulcan 4701	Piraeus, Athens and Peloponnese Railways	OSE	Greece Myloi, Greece	Dumped	Post-war copy, later SEK No. 7102
Δ-103	Vulcan 4702	Piraeus, Athens and Peloponnese Railways	OSE	Greece Myloi, Greece	Dumped	Post-war copy, later SEK No. 7103
Δ-104	Vulcan 4703	Piraeus, Athens and Peloponnese Railways	OSE	Greece Kalamata, Greece	Displayed	Post-war copy, later SEK No. 7104
Δ-105	Vulcan 4704	Piraeus, Athens and Peloponnese Railways	OSE	Greece Kalamata, Greece	Dumped	Post-war copy, later SEK No. 7105
Δ-106	Vulcan 4705	Piraeus, Athens and Peloponnese Railways	OSE	Greece Tripolis, Greece	Dumped	Post-war copy, later SEK No. 7106
Δ-107	Vulcan 4706	Piraeus, Athens and Peloponnese Railways	OSE	Greece Myloi, Greece	Dumped	Post-war copy, later SEK No. 7107
Δ-108	Vulcan 4707	Piraeus, Athens and Peloponnese Railways	OSE	Greece Corinth, Greece	Stored	Post-war copy, later SEK No. 7108

External links

2010-07-06 at the Wayback Machine
2006-11-14 at the Wayback Machine

USATC S118 Class

Copies

Survivors

Further reading

External links