Longview, Portland & Northern 2-8-2 "Mikado" Locomotives in the USA

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The Longview, Portland and Northern Railway is a historic railroad operation in the U.S. states of Oregon and Washington. It was founded by timber baron Robert A. Long, the founder of Longview, Washington. The company was incorporated in 1922 in Gardiner OR to open a line between Longview Junction and a mill in Ryderwood, Washington. That line was completed in 1929, but was abandoned in 1953, when the mill closed. .

In 1926 Alco Richmond built two identical mikados for the Longview, Portland & Northern (c/n 66919-66920, road numbers 1400-1401). LP&N used these primarily to haul log trains on its Ryderwood to Longview (Washington) mainline up until the time a couple Alco switchers replaced them in 1949.

On 2/23/1945 the LP&N sold the #1400 for $29,205 to the Oregon & Northwestern Railroad (O&NW) where it worked until scrapped in 1957. The O&NW made good use of the #1400. In fact it replaced the #27.

LP&N parent Long Bell transferred the #1401 to its logging railroad out of Tennant, California (former Weed Lumber Company) but the #1401 proved way too heavy for the Weed operation and languished in storage until the end of that operation.

These mikados were designed for a maximum grade of .5% and maximum curves of 10 degrees. Boiler diameter was 80" I.D. and 86" O.D. The firebox was 114.125" by 84.25". The tube length was 19' - 3". The number of tubes was 219 at 2" dia.; Superheater was 38 at 5.375" dia.


Specifications
Road Numbers1401-2
GaugeStd
Number Built2
BuilderAlco
Year1926
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase15'
Engine Wheelbase33' - 7"
Ratio of driving wheelbase to overall engine wheelbase0.44
Overall Wheelbase (engine & tender)71' - -3/4"
Axle Loading (Maximum Weight per Axle)
Weight on Drivers224000 lbs
Engine Weight274000 lbs
Tender Light Weight190000 lbs
Total Engine and Tender Weight464000 lbs
Tender Water Capacity10000 gals
Tender Fuel Capacity (oil/coal)4000 gals
Minimum weight of rail (calculated)85lb/yard
Geometry Relating to Tractive Effort
Driver Diameter57"
Boiler Pressure200 psi
Cylinders (dia x stroke)25" x 30"
Tractive Effort55900 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort)4.0
Heating Ability
Firebox Area216 sq. ft
Grate Area66.8 sq. ft
Evaporative Heating Surface2197sq. ft
Superheating Surface 1024sq. ft
Combined Heating Surface2717 sq. ft
Evaporative Heating Surface/Cylinder Volume212.75

Photos