Lehigh Valley Wyomings

The Lehigh Valley Railroad took delivery of two 4-8-4s in 1931. Road number 5100 was built by the Baldwin Locomotive Works and was designated Class T-1a. It had 70" drivers, 27 x 30 cylinders, a boiler pressure of 250 psi, a tractive effort of 66,400 lbs and weighed 413,170 pounds. Road number 5200 came from the American Locomotive Company and was designated Class T-2a. It had 70" drivers, 26 x 32 cylinders, a boiler pressure of 255 psi, a tractive effort of 66,700 lbs and weighed 424,000 pounds. These two locomotives were delivered for trials, with 10 more of the Class T-1a 4-8-4s delivered from Baldwin in 1932, and 10 more of the Class T-2a 4-8-4s delivered from ALCO, also in 1932.

The Lehigh Valley gave its 4-8-4 type locomotives a local name, rather than the "Northern" designation. The name "Wyoming" was selected. The Wyoming Valley is a historic section of the Susquehanna Valley that is served by the railroad.

In 1934, five heavier 4-8-4s were delivered by Baldwin as dual purpose locomotives. They were designated Class T-3 and assigned road numbers 5125 through 5129. They had 77" drivers, 27 x 30 cylinders, a boiler pressure of 275 lbs, a tractive effort of 66,500 lbs and weighed 441,400 pounds.

During World War II, the Lehigh Valley needed additional motive power but because of wartime restrictions, it could not build newly designed locomotives. Therefore, 10 duplicates of the Class T-2a Wyomings were ordered from ALCO and delivered in 1943. They were very similar to the older Class T-2a locomotives except they were 17,000 lbs heavier.

There are no surviving LV "Wyomings".

ClassRoad NumbersBuilderYear Built
T-1a5100 - 5110BLW1931, 32
T-2a5200 - 5210ALCO1931, 32
T-2b5211 - 5220ALCO1943
T-35125 - 5129BLW1934, 35

Specifications
 Class T-1Class T-2Class T-3
Wheel Arrangement:4-8-44-8-44-8-4
Length:100' - 0"100' - 0"100' - 0"
Drivers:70"70"77"
Weight on Drivers:270,000 lbs269,000 lbs270,100 lbs
Total Locomotive Weight:413,170 lbs424,000 lbs441,400 lbs
Locomotive & Tender Weight:811,500 lbs813,100 lbs830,400 lbs
Grate Area:88 sq ft88.3 sq ft96.5 sq ft
Cylinders (dia. x stroke):(2) 27" x 30"(2) 26" x 32"(2) 27" x 30"
Boiler Pressure:250 psi255 psi275 psi
Tractive Effort:66,400 lbs66,700 lbs66,500 lbs
Tender Capacity:
Water:20,000 gals.20,000 gals.20,000 gals.
Coal:30 tons30 tons30 tons

Photos

References

This page last modified: Monday, 14-Nov-2005 02:08:32 CST. [Contact] All material © 1999-2008 SteamLocomotive.com