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Today in WW II: 4 Oct 1940 Adolf Hitler and Benito Mussolini meet for conference at Brenner Pass in Alps, with staff including their foreign secretaries.  More 
4 Oct 1942 Hermann Göring declares that World War II is "the War of the Races".
4 Oct 1943 Heinrich Himmler speaks to secret meeting of SS officers, in Poznan [Posen], Poland, openly describing the Nazi effort to exterminate the Jewish people.
4 Oct 1944 Following the withdrawal of German troops, Allied forces [British] enter Greece.
Visit the World War II Timeline for day-by-day events 1939-1945! See also WW2 Books.

M-52 105mm Self-propelled Howitzer

The Howitzer, Self-propelled 105mm M52 / M52A1 was developed starting in 1948 as one of a set of post-WW II self-propelled artillery weapons. It replaced the M-7 Priest 105mm SP and M37 105mm HMC. With the advent of the Cold War with the Soviet Union, the Army specified that the new artillery platforms would be fully enclosed to provide not only protection from conventional weapons, but also for the NBC protection required by the nuclear battlefield.

The M-52 was based on components of the M41 Walker Bulldog Light Tank. The rear track idler wheel was lowered to the ground to resist firing shock and no recoil spade was provided. The engine and transmission were in the front section of the hull, while the rear hull was the base of a large turret with a 60° traverse left or right of center. The turret had access doors and hatches for the driver, gunner, and commander. An anti-aircraft .50 cal. machine gun was mounted at the commander's hatch. During development, the vehicle was known as the T98, then the T98E1 which was standardized as the M-52.

The main gun of the M-52 was the 105mm M49 Howitzer.

A total of 684 M-52 105mm Self-propelled Howitzers were built by Allis-Chalmers Mfg. Co. in Milwaukee, WI starting in 1954.

M-52 105mm Self-propelled Howitzer Specifications

Crew 5
Weight 49,800 lbs
Height 10 feet 10.5 in.
Width 10 feet 4 in.
Length 19 feet 0 in.
Engine Continental, AOS-895-3, 6 cal., supercharged, gas
Horsepower 500 bph
Road Speed 35 mph
Range 100 miles

Manuals for the M-52 105mm Self-propelled Howitzer include:

  • TM 9-717A Self-Propelled 105-mm Howitzer T98E1 (July 1952)
  • FM 6-77 155-mm Howitzer M52 Self-Propelled (December 1956)
  • TM 9–2350–209–20P Organizational Maintenance Repair Parts and Special Tools List for Howitzer, Light, Self-Propelled: Full-Tracked, 105mm M52 and M52A1 (April 1961)

Manuals for the M52 SP Howitzer in the new numbering system will be numbered TM 9–2350–209-xx where the xx represents the maintenance level.

M-52 105mm Self-propelled Howitzer
M-52 105mm Self-propelled Howitzer.

M-52 105mm Self-propelled Howitzer
M-52 105mm Self-propelled Howitzer.