Brainerd & Northern / Minnesota & International / St Paul & Duluth / Northern Pacific 2-6-0 "Mogul" Type Locomotives

Class D (Locobase 809)

Data confirmed by locomotive diagrams from 1900 hosted on http://www.nprr.org/Steam%20Diagrams/Forms/AllItems.aspx (7 Feb 2004) and from a 1944 Northern Pacific Locomotive Diagram book supplied in May 2005 by Allen Stanley from his extensive collection.

Class D-1 (Locobase 808)

Converted relatively quickly (by 1887) to 0-6-0 switchers with 14' 2" wheelbases.

Class D-10 (Locobase 8150)

Data from NP to 1944 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive collection.

The "Mike & Ike" (formerly the Brainerd & Northern) was incorporated in 1900 (July 17). It was also known as the Sportsman's Route and ran from Minneapolis to International Falls. It was not actually absorbed by the NP until 1941.

Class D-2 (Locobase 810)

Data confirmed by locomotive diagrams from 1900 hosted on http://www.nprr.org/Steam%20Diagrams/Forms/AllItems.aspx (7 Feb 2004).

Class D-3 (Locobase 811)

Data confirmed by locomotive diagrams from 1900 hosted on http://www.nprr.org/Steam%20Diagrams/Forms/AllItems.aspx (7 Feb 2004).

Class D-5 (Locobase 807)

Rebuilt as cross-compounds in 1897 R.H. 30 x 24, LH 19 x 24. Specifications refer to that version.

404-409, 430-432 built at Brainerd; 410-418,426-432 at Schenectady. 430-432 rebuilt by Schenectady in 1897 as simple-expansion locomotives with two 18" x 24" cylinders.

Data confirmed by locomotive diagrams from 1900 hosted on http://www.nprr.org/Steam%20Diagrams/Forms/AllItems.aspx (7 Feb 2004).

Class D-6 (Locobase 812)

400-401 (works #4842-4843), 402-403 (5432-5433) built in 1899, slightly lighter on the drivers at 111,000 lb, engine weight was 130,100 lb.

Data confirmed by locomotive diagrams from 1900 hosted on http://www.nprr.org/Steam%20Diagrams/Forms/AllItems.aspx (7 Feb 2004).

Class D-7 (Locobase 8146)

Data from NP to 1944 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive collection. Works numbers were 12890 in August 1892 and 12957 in October.

The tender shown is likely from a later era when these Moguls were used as switchers. The B & N later was renamed the Minnesota & International. Connelly's list of all Baldwin locomotives tells us that the Josephine came first, in August 1892 as works #12890. The James B Ransome followed 2 months later (works #12957).

Josephine was sold to Crookston Lumber Company by 1911.

Class D-8 (Locobase 8147)

Data from NP to 1944 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive collection. Works numbers were 14338-14339 in September 1895.

8 was retired in 1926.

Class D-9 - compound (Locobase 8148)

Data from NP to 1944 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive collection.

Richmond delivered the 8 engines in this class over a 5-year period in batches of 2 each in 1898 (works #2722-2723), 1899 (2829-2830), 1900 (3122-3123, and 1902. At least one of these two-cylinder cross-compounds was converted to simple expansion in 1905; see Locobase 8149.

Class D-9 - simple (Locobase 8149)

Data from NP to 1944 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive collection.

Apart from the unusual choice of a 17" diameter for the cylinders, this was a typical and straightforward alteration of the 2-cylinder compound D-9 design that had arrived on the M & I in 1898 (see Locobase 8148).

Specifications
ClassDD-1D-10D-2D-3D-5D-6D-7D-8D-9 - compoundD-9 - simple
Locobase ID80980881508108118078128146814781488149
RailroadNorthern Pacific (NP)Northern Pacific (NP)Minnesota & International (NP)Northern Pacific (NP)Northern Pacific (NP)Northern Pacific (NP)St Paul & Duluth (NP)Brainerd & Northern (NP)Brainerd & Northern (NP)Brainerd & Northern (NP)Minnesota & International (NP)
Whyte2-6-02-6-02-6-02-6-02-6-02-6-02-6-02-6-02-6-02-6-02-6-0
Road Numbers580-591942-94713-15550-572420,410-418,426-43263-66 / 400-401, 402-4031-2 /3-4 /5-1211
GaugeStdStdStdStdStdStdStdStdStdStdStd
BuilderBurnham, Parry, Williams & CoBurnham, Parry, Williams & CoAlco-RichmondBurnham, Parry, Williams & CoBurnham, Parry, Williams & CoseveralRogersBurnham, Williams & CoBurnham, Williams & CoRichmondNP
Year18831881190318881889188918931892189518981905
Valve GearStephensonStephensonStephensonStephensonStephensonStephensonStephensonStephensonStephensonStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase15.25'14'15.25'15.25'15.67'14'15.08' 8.67'13'13'
Engine Wheelbase23.33'21.92'23.29'23.33'23.75'21.75'20.50'17'20.83'20.83'
Ratio of driving wheelbase to overall engine wheebase 0.65 0.64 0.65 0.65 0.66 0.64 0.74 0.51 0.62 0.62
Overall Wheelbase (engine & tender)45.29'47.08'45.33'45.25'47.42'46.50'42.92'42.42'46.58'46.58'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers79250 lbs70000 lbs115100 lbs85350 lbs85900 lbs93600 lbs111000 lbs59000 lbs60000 lbs95700 lbs93700 lbs
Engine Weight95400 lbs88700 lbs135210 lbs102100 lbs104400 lbs108600 lbs130100 lbs70600 lbs72000 lbs115000 lbs110300 lbs
Tender Light Weight66700 lbs51000 lbs5200 lbs59030 lbs70890 lbs86257 lbs79100 lbs52000 lbs48000 lbs70000 lbs77200 lbs
Total Engine and Tender Weight162100 lbs139700 lbs140410 lbs161130 lbs175290 lbs194857 lbs209200 lbs122600 lbs120000 lbs185000 lbs187500 lbs
Tender Water Capacity2950 gals2060 gals4000 gals2990 gals3500 gals3500 gals3850 gals2500 gals2500 gals3500 gals3500 gals
Tender Fuel Capacity (oil/coal)7 tons3 tons9 tons7 tons7 tons7 tons9 tons6 tons4 tons7 tons9 tons
Minimum weight per yard of rail on which locomotive could run44.03 lb rail38.89 lb rail63.94 lb rail47.42 lb rail47.72 lb rail52 lb rail61.67 lb rail33 lb rail33 lb rail53.17 lb rail52.06 lb rail
Geometry Relating to Tractive Effort
Driver Diameter55"55"63"55"57"57"55"55"50"57"57"
Boiler Pressure140 psi140 psi200 psi150 psi150 psi200 psi180 psi140 psi150 psi200 psi200 psi
Cylinders (dia x stroke)18" x 24"18" x 24"19" x 24"18" x 24"18" x 24"19" x 24" (1)20" x 26"15" x 24"15" x 24"18" x 26" (1)17" x 26"
Low Pressure Cylinders (dia x stroke)" x "" x "" x "" x "" x "30" x 24"" x "" x "" x "28.5" x 26"" x "
Tractive Effort16824 lbs16824 lbs23379 lbs18026 lbs17394 lbs18443 lbs28931 lbs11684 lbs13770 lbs17960 lbs22410 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.71 4.16 4.92 4.73 4.94 5.08 3.84 5.05 4.36 5.33 4.18
Heating Ability
Firebox Area
Grate Area15.60 sq. ft14.20 sq. ft29.75 sq. ft16.80 sq. ft16.77 sq. ft18.40 sq. ft27.70 sq. ft12.80 sq. ft12.80 sq. ft22.60 sq. ft22.60 sq. ft
Evaporative Heating Surface1580104015491716152987513211321
Superheating Surface
Combined Heating Surface1580001040154917161529087513211321
Evaporative Heating Surface/Cylinder Volume223.52147.13219.14435.77161.73178.25345.02193.40
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation21841988595025202515.50368049861792192045204520
Same as above plus superheater percentage21841988595025202515.50368049861792192045204520
Same as above but substitute firebox area for grate area00000000000
Power L100000000000
Power MT00000000000

Reference

Credits

Introduction and specifications provided by Steve Llanso of Sweat House Media.

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