A Harnischfeger Corp. Model M320T crane was tested at Aberdeen Proving Ground from 19 March 1969 to 20 February 1970 (Registration number 08A86569). The M320T2 full nomenclature is:
CRANE, TRUCK MOUNTED, 3/4 CUBIC YARDS, 20 TON,
W/ CLAMSHELL, DRAGLINE AND BACKHOE ATTACHMENTS, G.E.D.,
(HARNISCHFEGER CORP MODEL M 320T2) FSN 3810-151-4431
GED means Gasoline Engine Driven.
Manuals for the M320T2 Crane include:
TM 5-3810-294-10 Operators Manual
TM 5-3810-294-20P Unit Maintenance Repair Parts and Special Tools List
TM 5-3810-294-34P Direct and General Support Maintenance Repair Parts and Special Tools List
Dataplate on U.S. Army M320T2 Crane, Truck Mounted, GED 6x6, Granbury, TX, 4 October 2005. Photo: Courtesy Bob Pettit.
U.S. Army M320T2 Crane, Truck Mounted, GED 6x6, Granbury, TX, 4 October 2005. Boom has been removed and disassembled. Photo: Courtesy Bob Pettit.