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Postcard depiction of the Seaboard Air Line Railroad train The Orange Blossom Special which traveled between New York and Miami.
Electro-Motive Company logo.
Seaboard Air Line logo.

SAL EMC E4 No. 3003 leads the Orange Blossom Special into Plant City, Florida in December of 1939, inaugurating diesel service in the southeast.

By Florida Memory [No restrictions or Public domain], via Wikimedia Commons

Postcard depiction of the Seaboard Air Line Railroad train The Orange Blossom Special which traveled between New York and Miami. The card touts the train as being the only "all electric" train from New York to Florida (1939 postmark). The term refers to the diesel engines which were used for the train beginning in 1938. Tichnor Brothers, Boston.

SAL EMC E4 No. 3003 leads the Orange Blossom Special into Plant City, Florida in December of 1939, inaugurating diesel service in the southeast.

EMC E4 Diesel Locomotive
The EMC E4 was a 2,000 horsepower, A1A-A1A passenger train-hauling diesel locomotive built by the Electro-Motive Corporation of La Grange, Illinois. All were built for the Seaboard Air Line Railway. The E4 was the fifth model in a long line of passenger diesels of similar design known as EMD E-units.

The 2,000 hp was achieved with two EMC model 567 V12 engines developing 1,000 hp, each engine driving its own electrical generator to power the traction motors.

The front noses of the E1, E3, E4, E5, and E6 cab units had a pronounced slant when viewed from the side. Therefore, these five models have been nicknamed "slant nose" units. Later E-unit models received the same blunted "bulldog nose" as the F-units.

Ironically, the E4 was produced before the E3. Both models were identical, save for the E4 having a pneumatically-operated nose door passageway in order to facilitate crew movement between units in a locomotive consist.

All the E4s were retired and scrapped by 1964.

Original owners

Railroad: EMC (demonstrator)
Quantity A units: 1
Road numbers: 1939
Notes: to SAL 3013

Railroad: EMC (demonstrator)

Quantity B units: 1
Road numbers: 1939B
Notes: renumbered EMC 1940B, to SAL 3104

Railroad: Seaboard Air Line

Quantity A units: 13
Road numbers: 3000–3012

Railroad: Seaboard Air Line

Quantity B units: 4
Road numbers: 3100–3103

EMC E-4 Overview

Type and origin
Power type: Diesel-electric
Builder: Electro-Motive Corporation (EMC)
Total produced: 14 A units, 5 B units
Specifications
AAR wheel arrangement: A1A-A1A
Gauge: 4 ft 8 1⁄2 in (1,435 mm)
Prime mover: EMD 567, 2 off
Engine type: V12 Two stroke diesel × 2
Cylinders: 12 × 2
Performance figures
Power output: 2,000 hp (1,500 kW)
Career
Operator(s): Seaboard Air Line
Disposition: All scrapped

See also:
EMC, GM-EMD Diesel locomotives
EMC – EMD
Seaboard Air Line Railway