Today in WW II: 17 May 1940 Brussels falls to German forces; Belgian government flees to Ostend, Belgium.  More 
17 May 1943 US Army contracts with University of Pennsylvania's Moore School of Electrical Engineering to develop ENIAC computer.
17 May 1943 8th Air Force B-17F Flying Fortress named Memphis Belle becomes the first plane to complete a 25-mission tour of duty.
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XM711 3/4 ton Wrecker (G-741)

The Truck, Wrecker, Telescopic Boom, 3/4 Ton 4x4, XM711 is a member of the M-37 Dodge 3/4 ton 4x4 Truck Family (G-741). As the X prefix indicates, this vehicle was not made standard.

The XM711 3/4 ton Wrecker was produced from an M53B1 Chassis with an Ashton Company model 10-60BW telescoping boom commercial wrecking body. Heavier springs and overload springs were added to the M53B1 chassis' normal springs. It was equipped with Hydro-Vac power brakes, the Braden LU-4 front-mounted winch and the M37B1-type spare wheel carrier.

The XM711 dash has M37B1 (or M53B1 ?) dataplates with additional dataplates for the XM711 modifications. About 200 XM711 Wreckers were manufactured.

The FSN for the XM711 was 2320-011-5068. The procurement specification for the XM711 is located at the linked page.

XM711 3/4 ton Wrecker. Photographed at the 1st Cavalry Division Museum, Ft. Hood, TX, 2 December 2005. Photo: Courtesy of Bob Pettit
XM711 3/4 ton Wrecker. Photographed at the 1st Cavalry Division Museum, Ft. Hood, TX, 2 December 2005. Photo: Courtesy of Bob Pettit.