Delaware & Hudson 2-6-0 "Mogul" Locomotives of the USA


Class Details by Steve Llanso of Sweat House Media

Class A (Locobase 10072)

Data from The American Engineer and Locomotive Journal, Vol LXVIII, No. 7 (July 1894).

One of several classes of Moguls to come onto the D & H during the '90s, this design came from the railroad's own Oneonta Shops and was designed by Mr R C Blackall, Superintendent of Machinery.


Class A-1/C-1 (Locobase 1156)

Data from D&HCCo 1901 & D&H 1 - 1930 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. Works numbers were 691-693 & 720-723 in 1889; 740-752, 755-756, 790-799 in 1890, and 806-818 in 1891.

Scranton's favorite builder supplied this large Mogul class (as it did most D & H engines of the time) over a relatively short production run that followed the even more numerous B class (Locobase 8378).

Two -- 63 and 65 were converted to oil burners in 1912 for operation in the Adirondack Forest on the Chateaugay Branch. They stayed in service until 1925 and 1931, respectively. 61, 75, 91, 93, 110-111 were sold to the Quebec, Montreal & Southern. 110 went in 1908, 65 and 111 in 1917, and the others in November 1918.

NB: Tube length is an estimate based on the calculation of tube surface area by subtracting reported firebox heating surface from reported total evaporative heating surface


Class A/C-1k (Locobase 1157)

Data from D&HCo 1901 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. Works numbers were 828-831 in April 1891, 889 in January 1893, 890-896 in February.

Twelve engines that were similar to the A-1s of a year before (Locobase 1156) , but putting significantly more weight on taller drivers.

Retired in three batches: three sold out in 1917-1918, 2 in 1925, and 3 that had been converted to oil burning in 1926.


Class B-1/C-1h (Locobase 8377)

Data from D&HCo 1901 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. Works numbers were 506 in June 1884, 541-542 in January 1887, 543-544 in February, 586-588 in April, 589 in May; 622-623 in January 1888, 624 in February, 625-627 in March.

This class was one of the first classes of camelbacks (the D & H called them "double-cabs") on the road. Although fitted with the wide Wootten firebox showing the center-boiler cab and eave over the fireman's footplate position, these engines were considerably smaller than those that would come to represent the type.


Class B/C-1 (Locobase 8378)

Data from D&HCo 1901 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. Boiler pressure is an estimate.

This large class of Moguls all came from the Scranton, Pa builder that operated in the heart of D & H territory and supplied many of the road's locomotives. The first two -- works numbers 177-178 -- were delivered in 1876, but most of the rest were produced in 1880-1888. It's likely that the boiler pressure rose to 160 psi, but Locobase cannot confirm.

Locobase 8364 shows the rebuild of some of the locomotives in this class.


Class C-1/C-1g (Locobase 8376)

Data from D&HCo 1901 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection.

Four Moguls were delivered to the Albany & Susquehanna from Grant in 1871; works numbers were 785-788 and the engines were named Undadilla, Otsego, Oneonta, and Schoharie.

The A&S was technically independent because it was leased (rather than sold) to the D&H for 99 years beginning in 1870. The D&H incorporated A&S motive power into its own system and this quartet was rebuilt in 1891-1893 by the D&H's Oneonta shops. 221 was discarded sometime between 1899 and 1903 while the other three fell off the rolls between 1907 and 1911.


Class C-1j (Locobase 10073)

Data from "Standard Mogul Freight Locomotive of the Delaware & Hudson Canal Company," The American Engineer and Locomotive Journal, Vol LXVIII, No.6 (June 1894), pp. 250-251.

According to the 1894 article, this design came from the railroad's own Oneonta Shops and was designed by Mr R C Blackall, Superintendent of Machinery. The 1894 article noted that although they were rated as first-class freight Moguls, this class also could be found hauling some of the fastest passenger trains at speeds up to 60 mph. And it was hard running: "The freight locomotives on this road are loaded very heavily, so much so that they have to be run 'down in the corner' [throttle wide open] in order to get over the road, and the motive-power department naturally feel that when an engine can be kept out of shop for three years under such treatment as this, it is well built."

However, it seems clear that the AE&LJ is reporting on rebuilds of a set of Dickson Moguls delivered in 1875-1880


Class C-2 (Locobase 1159)

Data from http://www.rr-fallenflags.org/dh/dh-stm-s06.gif (August 2002) diagram.

Two D&H double-cab rebuilds of 1890 Rogers engines; see Locobase 8371. 117 had a 200-psi boiler.


Class C/C-1b (Locobase 8379)

Data from D&HCo 1901 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. Boiler pressure is an estimate. Works numbers were 1786-1789 in 1886.

This quartet came from the small Paterson, NJ builder in a batch. They were of medium size for a D & H Mogul, but were relatively heavy.


Class G-1 (Locobase 8371)

Data from D&HCo 1901 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. Works numbers were 4228, 4234 in 1890.

What is most distinctive about this pair of Rogers Moguls was their later conversions to double-cab engines in 1904. See Locobase 1159 for the enlarged result.


Class H-1 (Locobase 8370)

Data from D&HCo 1901 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection. Works numbers were 315-318 in December 1881 and 319-320 in January 1882.

Amid all of the rebuilt Moguls in the 1901 book lay this quartet of untouched Dickson engines from 1881-1882. Deliveries wrapped around the end of the year with the first four produced in 1881, the last two in early 1882. All had names: T F Torrey, Rattler, Rover, David Dows, C N Kendrick, and Moosic.

The other two in the original sextet had been deleted from the rolls by 1892 (40) and 1899 (176). The remaining four were all gone by 1903.


Class K (Locobase 8369)

Data from D&HCo 1901 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection.

Virtually identical to the R-1 rebuilds shown in Locobase 8363, these Moguls originally came from Danforth, Cooke in 1872 (works numbers were 807-811 in April 1872 and 812-813 in May.) As with all D&H locomotives at that time, these six had names: John Wurts, Philip Howe, Julian Clark, Wm L M Phelps, H S Morse, C P Hartt.

The big difference from the R-1s lay in the much higher weight on the drivers and overall engine weight carried by these K-class engines. 233 was discarded in 1899, 231 in 1901, and the others in 1904-1905.


Class O/C-1d (Locobase 8366)

Data from D&HCo 1901 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection.

Dickson seems to have supplied more than its usual share of locomotives to the D & H, and the shops at Green Island and Oneonta modified and re-boilered most of them.

This set came to the railroad in 1870-1872 with works numbers as low as 58-59 and none higher than 91 and road numbered 32, 12-13, 23, 26, 29-31.

Unlike most of the others, however, they were reconditioned at Carbondale in 1888-1892. All remained in service at least into 1902 and all but one had disappeared from D&H rosters by 1907. Only 130 remained and it was discarded before 1911.


Class R-1 (Locobase 8363)

Data from D&HCo 1901 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection.

Continuing its program of rebuilding its locomotives, the D & H's Green Island shops overhauled three small Dickson Moguls from 1875 (works #157-158 & 175, road 252-254).


Class R/C-1c (Locobase 8364)

Data from D&HCo 1901 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection.

Dickson delivered six small Moguls in 1873-1874 to the Pennsylvania Division with works numbers 107 in 1872, 138-141 in 1873, and 154 in 1874.

Oneonta rebuilt two of them (road 251, 268) in 1891 & 1892; Green Island performed the same operation on two others (road 252 & 269) in the same two years.


Class T (Locobase 8362)

Data from D&HCo 1901 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection.

Beginning in 1890, the D&H gradually rebuilt over a dozen Dickson Moguls that had been delivered in 1876 (road numbers 264-266, works numbers (174, 154, 176), 1880 (road numbers 255-261, 267 (works numbers 240-241, 248-249, 259-261) and 1881 (road numbers 261-262, works numbers 283-284).

Green Island turned out ten and Oneonta contributed three. The result was not particularly large or powerful, but presumably the project was worth the effort.


Class U / C-1m (Locobase 1158)

Data from D&HCo 1901 Locomotive Diagrams supplied in May 2005 by Allen Stanley from his extensive Raildata collection.

Five D&H rebuilds of "lump-burners" originally obtained from Dickinson in the 1860s (2), 1870s (2), and 1880 (1). In the process, they were converted to the "double-cab" (aka Mother Hubbard or Camelback). One sold out in 1917, the others were scrapped from November 1923 to August 1926.

Specifications by Steve Llanso of Sweat House Media
ClassAA-1/C-1A/C-1kB-1/C-1hB/C-1
Locobase ID10,072 1156 1157 8377 8378
RailroadDelaware & HudsonDelaware & HudsonDelaware & HudsonDelaware & HudsonDelaware & Hudson
CountryUSAUSAUSAUSAUSA
Whyte2-6-02-6-02-6-02-6-02-6-0
Number in Class549121574
Road Numbers66-69 / 335-338, 34261-65, 73-11613-24 / 321-324, 334-337, 34261, 64-71, 74-79/204-218176-259
GaugeStdStdStdStdStd
Number Built549121574
BuilderD & HDicksonDicksonDicksonDickson
Year18931889189118861876
Valve GearStephensonStephensonStephensonStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft)1414.171414.1714.17
Engine Wheelbase (ft)22.0821.6721.8721.7521.30
Ratio of driving wheelbase to overall engine wheebase 0.63 0.65 0.64 0.65 0.67
Overall Wheelbase (engine & tender) (ft)47.8345.5847.5445.5845.58
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)109,80089,300109,70087,00071,200
Engine Weight (lbs)123,025104,300123,000100,00083,300
Tender Loaded Weight (lbs)75,30058,90072,50062,92049,500
Total Engine and Tender Weight (lbs)198,325163,200195,500162,920132,800
Tender Water Capacity (gals)33003500308632892500
Tender Fuel Capacity (oil/coal) (gals/tons) 5.5088 6.505
Minimum weight of rail (calculated) (lb/yd)6150614840
Geometry Relating to Tractive Effort
Driver Diameter (in)63576356.5056.50
Boiler Pressure (psi)150155150145140
High Pressure Cylinders (dia x stroke) (in)18" x 24"18" x 24"18" x 24"18" x 24"18" x 24"
Tractive Effort (lbs)15,73717,97315,73716,96316,378
Factor of Adhesion (Weight on Drivers/Tractive Effort) 6.98 4.97 6.97 5.13 4.35
Heating Ability
Firebox Area (sq ft)172.50118140175.50118
Grate Area (sq ft)36.7529.4236.756825.30
Evaporative Heating Surface (sq ft)14551118161510741086
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)14551118161510741086
Evaporative Heating Surface/Cylinder Volume205.84158.16228.48151.94153.64
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation55134560551398603542
Same as above plus superheater percentage55134560551398603542
Same as above but substitute firebox area for grate area25,87518,29021,00025,44816,520
Power L151643558515837703126
Power MT311.06263.52310.98286.60290.38

Specifications by Steve Llanso of Sweat House Media
ClassC-1/C-1gC-1jC-2C/C-1bG-1
Locobase ID8376 10,073 1159 8379 8371
RailroadDelaware & HudsonDelaware & HudsonDelaware & HudsonDelaware & HudsonDelaware & Hudson
CountryUSAUSAUSAUSAUSA
Whyte2-6-02-6-02-6-02-6-02-6-0
Number in Class413242
Road Numbers81-84/257-260/219-222101-107, 167-168, 253, 271/255-267/138-150117-118 - rebuilt1, 3-4, 32/51-54299-300/268-269/117-118
GaugeStdStdStdStdStd
Number Built442
BuilderD & HD&HD&HGrantDickson
Year18911895190418861890
Valve GearStephensonStephensonStephensonStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft)14.5014.171414.3714.02
Engine Wheelbase (ft)2221.7321.5422.4622.02
Ratio of driving wheelbase to overall engine wheebase 0.66 0.65 0.65 0.64 0.64
Overall Wheelbase (engine & tender) (ft)45.9247.8351.9245.1247.94
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)79,66088,930126,50094,85097,500
Engine Weight (lbs)92,800100,800143,500108,750110,800
Tender Loaded Weight (lbs)57,30075,300115,20059,80064,820
Total Engine and Tender Weight (lbs)150,100176,100258,700168,550175,620
Tender Water Capacity (gals)24003300680030003192
Tender Fuel Capacity (oil/coal) (gals/tons) 6.70 5.5014 5.50 7.50
Minimum weight of rail (calculated) (lb/yd)4449705354
Geometry Relating to Tractive Effort
Driver Diameter (in)56.5057.755756.5055
Boiler Pressure (psi)145150210145160
High Pressure Cylinders (dia x stroke) (in)18" x 24"18" x 24"19" x 24"18" x 24"19" x 24"
Tractive Effort (lbs)16,96317,16827,13216,96321,424
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.70 5.18 4.66 5.59 4.55
Heating Ability
Firebox Area (sq ft)138129198.40118112
Grate Area (sq ft)25.5027.5078.9827.4827.70
Evaporative Heating Surface (sq ft)12951372177313721320
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)12951372177313721320
Evaporative Heating Surface/Cylinder Volume183.21194.10225.12194.10167.60
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation3698412516,58639854432
Same as above plus superheater percentage3698412516,58639854432
Same as above but substitute firebox area for grate area20,01019,35041,66417,11017,920
Power L138344120700437903501
Power MT318.32306.41366.19264.28237.49

Specifications by Steve Llanso of Sweat House Media
ClassH-1KO/C-1dR-1R/C-1c
Locobase ID8370 8369 8366 8363 8364
RailroadDelaware & HudsonDelaware & HudsonDelaware & HudsonDelaware & HudsonDelaware & Hudson
CountryUSAUSAUSAUSAUSA
Whyte2-6-02-6-02-6-02-6-02-6-0
Number in Class66734
Road Numbers40-42, 176-178/223-22685-90/261-266/228-233236-243/124-13195, 97-98/255-256, 273/252-254251-252, 267-270/245-250/132-134
GaugeStdStdStdStdStd
Number Built634
BuilderDicksonDanforth, CookeD & HD&HD&H
Year18811888188818931891
Valve GearStephensonStephensonStephensonStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft)14.5014.2514.1714.1714.25
Engine Wheelbase (ft)2221.6721.6721.6721.75
Ratio of driving wheelbase to overall engine wheebase 0.66 0.66 0.65 0.65 0.66
Overall Wheelbase (engine & tender) (ft)45.9244.0845.5845.5845.67
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)79,66083,00073,90071,20082,100
Engine Weight (lbs)92,80098,00084,50083,30096,100
Tender Loaded Weight (lbs)57,30061,00045,70049,50049,500
Total Engine and Tender Weight (lbs)150,100159,000130,200132,800145,600
Tender Water Capacity (gals)24002646230325002500
Tender Fuel Capacity (oil/coal) (gals/tons) 6.70 6.70 5.6055
Minimum weight of rail (calculated) (lb/yd)4446414046
Geometry Relating to Tractive Effort
Driver Diameter (in)6256565757.50
Boiler Pressure (psi)160160160160160
High Pressure Cylinders (dia x stroke) (in)18" x 24"18" x 24"18" x 24"18" x 24"18" x 24"
Tractive Effort (lbs)17,05718,88518,88518,55318,392
Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.67 4.40 3.91 3.84 4.46
Heating Ability
Firebox Area (sq ft)138106126106124
Grate Area (sq ft)25.5026.2025.9026.1025.30
Evaporative Heating Surface (sq ft)12951343133413431092
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)12951343133413431092
Evaporative Heating Surface/Cylinder Volume183.21190.00188.72190.00154.49
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation40804192414441764048
Same as above plus superheater percentage40804192414441764048
Same as above but substitute firebox area for grate area22,08016,96020,16016,96019,840
Power L146433957414940283714
Power MT385.49315.31371.32374.17299.19

Specifications by Steve Llanso of Sweat House Media
ClassTU / C-1m
Locobase ID8362 1158
RailroadDelaware & HudsonDelaware & Hudson
CountryUSAUSA
Whyte2-6-02-6-0
Number in Class135
Road Numbers255-267270-274 / 119-123
GaugeStdStd
Number Built135
BuilderD & HD & H
Year18901898
Valve GearStephensonStephenson
Locomotive Length and Weight
Driver Wheelbase (ft)14.1714.17
Engine Wheelbase (ft)21.6721.67
Ratio of driving wheelbase to overall engine wheebase 0.65 0.65
Overall Wheelbase (engine & tender) (ft)45.1745.58
Axle Loading (Maximum Weight per Axle) (lbs)
Weight on Drivers (lbs)94,10095,900
Engine Weight (lbs)107,400111,636
Tender Loaded Weight (lbs)67,60070,756
Total Engine and Tender Weight (lbs)175,000182,392
Tender Water Capacity (gals)34603400
Tender Fuel Capacity (oil/coal) (gals/tons)87
Minimum weight of rail (calculated) (lb/yd)5253
Geometry Relating to Tractive Effort
Driver Diameter (in)5757
Boiler Pressure (psi)160165
High Pressure Cylinders (dia x stroke) (in)18" x 24"18" x 24"
Tractive Effort (lbs)18,55319,133
Factor of Adhesion (Weight on Drivers/Tractive Effort) 5.07 5.01
Heating Ability
Firebox Area (sq ft)180233
Grate Area (sq ft)27.6071.26
Evaporative Heating Surface (sq ft)16151545
Superheating Surface (sq ft)
Combined Heating Surface (sq ft)16151545
Evaporative Heating Surface/Cylinder Volume228.48218.57
Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation441611,758
Same as above plus superheater percentage441611,758
Same as above but substitute firebox area for grate area28,80038,445
Power L154086010
Power MT380.10414.49

Reference


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