Missouri, Oklahoma & Gulf 2-8-0 "Consolidation" Type Locomotives

Class 205 (Locobase 6782)

Data from 1918 KO & G Locomotive Diagrams book supplied in May 2005 by Allen Stanley from his extensive collection. Works #33960-33961, 35254-35255, 35294-35295, 36587-36590.

Although these Consolidations

Class 221 (Locobase 9474)

Data from 1918 KO & G Locomotive Diagrams book supplied in May 2005 by Allen Stanley from his extensive collection. Works #37412-37413, 37582-37789.

Specifications

Class 205 221

Locobase ID 6782 9474

Railroad Missouri, Oklahoma & Gulf (KO&G) Missouri, Oklahoma & Gulf (KO&G)

Whyte 2-8-0 2-8-0

Road Numbers 205-219 (odd only) 221-239 (odd only)

Gauge Std Std

Builder Baldwin Baldwin

Year 1910 1912

Valve Gear Stephenson Stephenson

Locomotive Length and Weight

Driver Wheelbase 14.33' 14.33'

Engine Wheelbase 22.42' 22.42'

Ratio of driving wheelbase to overall engine wheebase 0.64 0.64

Overall Wheelbase (engine & tender) 55.21' 53.92'

Axle Loading (Maximum Weight per Axle)

Weight on Drivers 150000 lbs 147850 lbs

Engine Weight 165000 lbs 163200 lbs

Tender Light Weight 125000 lbs 126800 lbs

Total Engine and Tender Weight 290000 lbs 290000 lbs

Tender Water Capacity 6500 gals 6500 gals

Tender Fuel Capacity (oil/coal) 12 tons 12 tons

Minimum weight per yard of rail on which locomotive could run 62.50 lb rail 61.60 lb rail

Geometry Relating to Tractive Effort

Driver Diameter 52" 52"

Boiler Pressure 200 psi 200 psi

Cylinders (dia x stroke) 20" x 26" 20" x 26"

Tractive Effort 34000 lbs 34000 lbs

Factor of Adhesion (Weight on Drivers/Tractive Effort) 4.41 4.35

Heating Ability

Firebox Area 186 sq. ft 175 sq. ft

Grate Area 32 sq. ft 32.80 sq. ft

Evaporative Heating Surface 2415 2416

Superheating Surface

Combined Heating Surface 2415 2416

Evaporative Heating Surface/Cylinder Volume 255.45 255.56

Computations Relating to Power Output (More Information)

Robert LeMassena's Power Computation 6400 6560

Same as above plus superheater percentage 6400 6560

Same as above but substitute firebox area for grate area 37200 35000

Power L1 6132.94 6033.93

Power MT 360.55 359.89

Specifications
Class	205	221
Locobase ID	6782	9474
Railroad	Missouri, Oklahoma & Gulf (KO&G)	Missouri, Oklahoma & Gulf (KO&G)
Whyte	2-8-0	2-8-0
Road Numbers	205-219 (odd only)	221-239 (odd only)
Gauge	Std	Std
Builder	Baldwin	Baldwin
Year	1910	1912
Valve Gear	Stephenson	Stephenson
	Locomotive Length and Weight
Driver Wheelbase	14.33'	14.33'
Engine Wheelbase	22.42'	22.42'
Ratio of driving wheelbase to overall engine wheebase	0.64	0.64
Overall Wheelbase (engine & tender)	55.21'	53.92'
Axle Loading (Maximum Weight per Axle)
Weight on Drivers	150000 lbs	147850 lbs
Engine Weight	165000 lbs	163200 lbs
Tender Light Weight	125000 lbs	126800 lbs
Total Engine and Tender Weight	290000 lbs	290000 lbs
Tender Water Capacity	6500 gals	6500 gals
Tender Fuel Capacity (oil/coal)	12 tons	12 tons
Minimum weight per yard of rail on which locomotive could run	62.50 lb rail	61.60 lb rail
	Geometry Relating to Tractive Effort
Driver Diameter	52"	52"
Boiler Pressure	200 psi	200 psi
Cylinders (dia x stroke)	20" x 26"	20" x 26"
Tractive Effort	34000 lbs	34000 lbs
Factor of Adhesion (Weight on Drivers/Tractive Effort)	4.41	4.35
	Heating Ability
Firebox Area	186 sq. ft	175 sq. ft
Grate Area	32 sq. ft	32.80 sq. ft
Evaporative Heating Surface	2415	2416
Superheating Surface
Combined Heating Surface	2415	2416
Evaporative Heating Surface/Cylinder Volume	255.45	255.56
	Computations Relating to Power Output (More Information)
Robert LeMassena's Power Computation	6400	6560
Same as above plus superheater percentage	6400	6560
Same as above but substitute firebox area for grate area	37200	35000
Power L1	6132.94	6033.93
Power MT	360.55	359.89

Credits

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