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This is a later-production M10, evidenced by the lack of auxiliary armor bosses on the turret and hull sides. Under the sloping hull armor, the M4A2 Sherman origins of the M10 can be made out by focusing on the running gear and lower hull front. The gun shield on the M10 is triangular, compared to the more rounded one on the 90mm GMC M36. This vehicle is sitting on T48 rubber track.
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This rear view of shows tool stowage on the rear plate as well as the shape of the exhaust baffle. Two exhaust pipes are hidden in the shadow near the center of the baffle. The gun rest is on the rear of the top deck, and the large turret counterweights are obvious on the rear of the turret. (Picture from TM 9-1750L Hull and Turret Electrical Systems, Tracks and Suspension for 3-inch Gun Motor Carriages M10 and M10A1.)
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Fixtures on the rear deck of the M10 are labeled in this illustration. (Picture from TM 9-1750L Hull and Turret Electrical Systems, Tracks and Suspension for 3-inch Gun Motor Carriages M10 and M10A1.)
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This earlier-production vehicle has auxiliary armor bosses on the turret and hull sides. There is an indentation for an antenna mount in the hull side. The .50cal machine gun is mounted, and stowage for a towing cable is visible. (Picture from TM 9-1750L Hull and Turret Electrical Systems, Tracks and Suspension for 3-inch Gun Motor Carriages M10 and M10A1.)
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The different exhaust baffle for the GAA engine serves to identify this machine as an M10A1. (Picture from TM 9-731G 3-inch Gun Motor Carriage M10A1.)
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Compared to the rear deck on the M10, that of the M10A1 featured wider air intake grille doors. The different arrangement of the various filler caps and the fire extinguisher handles can also be seen. (Picture from TM 9-731G 3-inch Gun Motor Carriage M10A1.)
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The driver's station is shown in this picture. He was separated from the assistant driver by the vehicle's transmission. (Picture from TM 9-731G 3-inch Gun Motor Carriage M10A1.)
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Stowage of 3" ammunition and a submachine gun is illustrated here. Six 3" rounds, one of which is obscured by the Thompson, were stowed in the turret. (Picture from TM 9-731G 3-inch Gun Motor Carriage M10A1.)
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The breech assembly of the 3" gun M7 is shown here. An elevation handwheel was available on each side of the weapon. (Picture from TM 9-731G 3-inch Gun Motor Carriage M10A1.)
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Further details of ammunition stowage are visible here. (Picture from TM 9-731G 3-inch Gun Motor Carriage M10A1.)
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© Copyright 2001-07 Chris Conners