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Military Hand Operated Electric Power Generators

One of the most interesting types of electrical generators used by the U.S. military is the hand cranked unit. The hand cranked generators disassemble and are light enough to be man-packed in a carrying bag or strapped on a packboard. The hand operated generator provides enough power for a small radio set, crypto gear, rechargeable batteries, and other electronic equipment in the field using a soldier's own muscles to rotate the generator. The clever and versitile hand cranked generators have been in use since before WW II and continue in use in the 21st century.

Signal Corps soldiers direct naval gunfire against German positions using SCR-284 radio with GN-45 hand-cranked generator, France, 10 June 1944
Signal Corps soldiers direct naval gunfire against German positions using SCR-284 radio with GN-45 hand-cranked generator, France, 10 June 1944.

Today in WW II: 30 Sep 1938 Adolf Hitler, Neville Chamberlain, Benito Mussolini and Édouard Daladier sign the Munich Agreement, abandoning Czechoslovakia's Sudetenland to German occupation.   

Hand Cranked Mobile Electric Power

G-77/G hand cranked DC generator, with cables, carrying bag and other accessories.  Photo: eBay seller blue1969diamond
G-77/G hand cranked DC generator, with cables, carrying bag and other accessories. Photo: eBay seller blue1969diamond.

This page lists U.S. military hand cranked generators used during World War II and afterward to the present.

ModelWhenOutputNotes
G-3/TRC-7WW II/1945 TM 11-617, Variants, for Radio Set AN/TRC-7
G-81960s-DCaka G-8/GRC, for RT-66, RT-67, RT-68 or RT-70
G-43/G1950s-1990s52.5 watts, 10.5, 17.5, 30V DCTM 11-5122, TM-11-6115-218-xx, NSN 6115-00-510-0611, for AN/GRC-109, AN/PRC-74, Back packed, 22lbs, G-77/G is equivalent, MIL-G-14106B
G-77/Gto 1990s52.5 watts, 10.5, 17.5, 30V DCTM-11-6115-218-xx, NSN 6115-01-072-8080, for AN/GRC-109, AN/PRC-74, Back packed, 22lb, G-43/G is equivalent
GN-35WW II400VDC 75ma and 6.3V AC/DC at 2.5AFor small radio sets including SCR-131, SCR-161 and SCR-171, SCR-203 (mule packed radio)
GN-37WW II For SCR-178
GN-44WW II400VDC 75ma and 6.3V AC/DC at 2.5AFor SCR-288
GN-45WW II Variants, for SCR-284
GN-58/GWW II425VDC 115ma, 105VDC 32ma, 6.3VDC 2.5A, 1.4VDC 465maVariants, for BC-1306 and AN/GRC-9, aka G-58/GRC
G-76/G1980s??30V DCTM 11-6115-470-xx, Variants, NSN 6115-01-082-8107, MIL-G-49369, for AN/PRC-70, AN/SC-3 and AN/VSC-7 radios

Notes: This list is not exhaustive. The date is the approximate year the equipment was in use, based on manuals or other information. "Variants" or "Many variants" refers to evolution of models such as PE-75-A, PE-75-B, etc. Manuals with suffix -xx refer to a series depending on maintenance level. If you can fill in any missing data or correct anything in this table, please contact Olive-Drab.com.

Find More Information on the Internet

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