The EMD GP40 is a 4-axle diesel-electric locomotive built by General Motors' Electro-Motive Division between November 1965 and December 1971. It has an EMD 645E3 16-cylinder engine generating 3,000 hp (2,240 kW).

Union Pacific Railroad Company Photographic Roster, Locomotive Model: GP40-2

The EMD GP40-2 is a 4-axle diesel-electric locomotive built by General Motors Electro-Motive Division as part of its Dash 2 line between April 1972 and December 1986. The locomotive's power is provided by an EMD 645E3 16- cylinder engine …

An EMD GP40X is a 4-axle diesel-electric locomotive built by General Motors Electro-Motive Division between December 1977 and June 1978. [1] . Power for this unit was provided by a turbocharged 16- cylinder 16-645F3B engine which could produce 3,500 horsepower (2,610 kW). 24 examples of this locomotive were built for North American railroads. [1] .

To briefly summarize the story of UP's Rock Island GP40s, 51 units were returned to UP in April 1980; 30 units were eventually repainted to yellow and gray, with either UP lettering or MP lettering, with some getting both.

Sporting a relatively clean coat of "Lightning Stripe" paint, UP 1440 stands silent in midtown Memphis. WorksforCN . After learning that there wouldn't be anymore traffic on the DM&E we went over to Mankato to see if the UP was up to anything. Thankfully we saw an approach signal and minutes later this local was seen heading out onto the main.

UP 5254 (GP40-2) at McGehee, Arkansas. July 22, 2003.

Built to replace the previously offered GP35 series, the GP40 was designed with versatility in mind, being equally efficient at yard work, industrial operations, and light road duties.

UP GP40 866 built Dec. 1968 as MILW 2065, then SOO 2065, then NHL 866, to UP Feb. 1989, was returned to Helm Financial, rebuilt to a GP38-2 and leased to UP as UP 2539 Aug. 1998, and seen in Portland, OR.

Union Pacific Railroad Roster of Diesel and Turbine Locomotives, 1934-2009. This page was last updated on March 25, 2013. (Return to UP Diesel Roster Index Page) Roster Listing. EMD GP40-2-- 5 units 3000 horsepower; B-B trucks; 278,000 pounds operating weight