Chicago and North Western class E-4

CNW class E-4

An E-4 at Chicago in 1942.

| Type and origin

Power type| Steam
Builder| American Locomotive Company
Serial number| 68982–68989, 69028[1]
Build date| 1937
Total produced| 9
| Specifications

Configuration:
| ​
• Whyte| 4-6-4
• UIC| 2′C2′ h2
Gauge| 4 ft 8+1⁄2 in (1,435 mm) standard gauge
Driver dia.| 84 in (2,134 mm)
Length| 101 ft 9+3⁄4 in (31.03 m)
Height| 15 ft 11+21⁄32 in (4.87 m)
Adhesive weight| 216,000 lb (98,000 kilograms; 98 metric tons)
Loco weight| 412,000 lb (187,000 kilograms; 187 metric tons)
Total weight| 791,500 lb (359,000 kilograms; 359.0 metric tons)
Fuel type| Coal, later converted to burn Oil in 1946-1947
Fuel capacity| 50,000 lb (23 metric tons), later 6,000 US gal (23,000 l; 5,000 imp gal)
Water cap.| 20,000 US gal (76,000 l; 17,000 imp gal)
Firebox:
• Firegrate area| 90.7 sq ft (8.43 m2)
Boiler pressure| 300 lbf/in2 (2.07 MPa)
Heating surface| 3,958 sq ft (367.7 m2)
Superheater:
| ​
• Heating area| 1,884 sq ft (175.0 m2)
Cylinders| Two
Cylinder size| 25 in × 29 in (635 mm × 737 mm)
| Performance figures

Tractive effort| 55,022 lbf (244.75 kN)
| Career

Operators| Chicago and North Western Railway
Numbers| 4001–4009
Retired| 1953–1956
Scrapped| 1953–1961
Disposition| All scrapped

The Chicago and North Western Railway's Class E-4 comprised nine coal-burning streamlined 4-6-4 "Hudson" steam locomotives built in 1937 by Alco.

They were built to haul the road's famous "400" express passenger trains, but before they were even delivered the railroad's management decided that streamlined steam was the wrong direction and instead placed orders with General Motors Electro-Motive Division for new diesel locomotives. The displaced E-4s instead worked other trains until they were withdrawn from service between 1953 and 1961. All were scrapped, with none surviving to be preserved. The nine E-4s were almost identical in specification and purpose to the Milwaukee Road's six class F7 locomotives, and they were built by the same builder at the same time, yet they were different in almost every detail of design.

## Other CNW steam locomotives[edit]

* Chicago and North Western class D 4-4-2 – A major workhorse of the C&NW, some were used on the Minnesota 400.
* Chicago and North Western class E 4-6-2 – Some converted to "ES" class with similar shrouding to the E-4. The ES engines succeeded Class D locomotives on the Minnesota 400.
* Chicago and North Western class E-2 4-6-2 – Twelve locomotives, four of which were converted to "E-2-a" class and were the original locomotives for the Twin Cities to Chicago 400 before being replaced by EMD E3 diesel units. The remaining eight were converted to "E-2-b" locomotives.[2]

## References[edit]

1. ^ Cole (1938), p. 62.
2. ^ Scribbins, Jim (2008) [1982]. The 400 Story. Minneapolis, Minnesota: University of Minnesota Press. ISBN 978-0-8166-5449-9.

* Cole, F.A. (1938). Locomotives of the Chicago & North Western Railway. Boston: The Railway & Locomotive Historical Society.
* The Photos of the Chicago and Northwestern E-4 4-6-4's
* http://steamlocomotive.com/locobase.php?country=USA&wheel=4-6-4&railroad=cnw

* v
* t
* e

Chicago and North Western Railway steam locomotives

4-2-0|

* Pioneer

0-4-0|

* K-1
* D-8
* Tank: D-9 (100)

2-4-0|

* 110

4-4-0|

* A
* B
* C
* C-1
* C-6
* D-4
* (274)
* D-14

4-4-2|

* D
* (1015)

0-6-0|

* K
* K-3
* M
* M-1
* M-2
* M-3
* P

2-6-0|

* D-2
* D-11
* (279)
* I-1
* I-2
* I-4

4-6-0|

* D-1a
* D-12
* E-7
* Q
* R
* R-1
* (175)
* (444)
* (1385)
* S-1
* S-2
* S-3
* S-4

4-6-2|

* E
* L
* E-1
* E-2
* E-3
* I-2
* K-2

4-6-4|

* E-4

0-8-0|

* M-4
* M-5

2-8-0|

* Z

2-8-2|

* J

2-8-4|

* J-4

4-8-0|

* G

4-8-4|

* H

2-10-2|

* J-1

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