Crowell & Spencer Lumber Company 4-6-0 "Ten-wheeler" Locomotives of the USA


Class Details by Steve Llanso of Sweat House Media

Class 400 (Locobase 14297)

Data from Baldwin Locomotive Works Specification for Engines as digitized by the DeGolyer Library of Southern Methodist University, Volume 62, pp. 319+ (400) and 323+ (300). (Thanks to Everett Lueck, railroad operations director of the Southern Forest Heritage Museum in Long Leaf, LA, whose 15 February 2015 email to Wes Barris and Locobase corrected the original comments.) Works numbers were 51175 in January 1919 and 53104 in April 1920.

The 400 was an enlargement of the 103 (Locobase 14299), which had operated on Crowell & Spencer's Red River & Gulf since the beginning of the year. The Baldwin specifications included the traditional Radley & Hunter spark-arresting stack. Everett Leuck reports that the 400 was delivered with a Rushton Improved cabbage stack. Both statements are probably correct as the 400 was ordered on 24 October 1917, about a year before the Rushton stack design entered production. It's likely that because the 400 didn't enter production until January 1919, Baldwin substituted the newer design for the now-outdated R&H.

Their superheated boilers generated hotter steam than slide valves could handle comfortably, so both engines were fitted with 9 1/2" (241 mm) piston valves. Both had "extra heavy" frames and springs for the rough service they were destined to perform for several decades.

Leuck notes a key operational fact about all 4-6-0s, including the 400: " It was never intended as a woods engine (none of the 4-6-0's were ever used in the woods). It was designed to haul a 20 car log train from the logging camp at Hutton (see #200) to the mill at Long Leaf which was a 40 mile (64.4 km) road haul over the Red River and Gulf RR proper."

The 400 was soon converted to coal burning. 300 was delivered as a coal burner with a straight stack and two 9.5" air pumps instead of the 400's one, says Leuck. Both engines were converted to oil burning in 1923.

The two Ten-wheelers followed the timber. 400 would been on the books of C&SL's Crowell Lumber Industries when it was retired in 1955; it was reported derelict at Long Leaf, La in 1992. Leuck says that the 300 "retired at the end of WW-2 when the Hutton camp closed. It was sold for scrap in 1955."

Specifications by Steve Llanso of Sweat House Media
Class400
Locobase ID14297
RailroadCrowell & Spencer Lumber Company
CountryUSA
Whyte4-6-0
Number in Class2
Road Numbers400, 300
GaugeStd
Number Built2
BuilderBaldwin
Year1919
Valve GearWalschaert
Locomotive Length and Weight
Driver Wheelbase11.33'
Engine Wheelbase21.83'
Ratio of driving wheelbase to overall engine wheebase 0.52
Overall Wheelbase (engine & tender)51.25'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers110000 lbs
Engine Weight140000 lbs
Tender Light Weight100000 lbs
Total Engine and Tender Weight240000 lbs
Tender Water Capacity5000 gals
Tender Fuel Capacity (oil/coal)
Minimum weight of rail (calculated)61 lb/yard
Geometry Relating to Tractive Effort
Driver Diameter52"
Boiler Pressure180 psi
Cylinders (dia x stroke)19" x 26"
Tractive Effort27617 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 3.98
Heating Ability
Firebox Area138 sq. ft
Grate Area28.30 sq. ft
Evaporative Heating Surface1574 sq. ft
Superheating Surface325 sq. ft
Combined Heating Surface1899 sq. ft
Evaporative Heating Surface/Cylinder Volume184.48
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation5094
Same as above plus superheater percentage5960
Same as above but substitute firebox area for grate area29063
Power L19487
Power MT570.42

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