US M116 M1A1 75mm Pack Howitzer

US M116 M1A1 75mm Pack Howitzers at other Military Museums in the northeast
An M116 M1A1 75mm Pack Howitzer at the Pennsylvania Military Museum in Boaslburgh, PA	An M116 M1A1 75mm Pack Howitzer at the Watervliet Arsenal Museum in Watervliet, NY	Another M116 M1A1 75mm Pack Howitzer at the American Armored Foundation Museum in Danville,VA

Caliber - 75mm
Action - Recoil
Muzzle Velocity - 1,250fps
Range - 9,600yds
Weight of Round - 18lbs
Length - 12 feet 1 inch
Weight Towed - 1,400lbs
Entered Service - 1934

Here's a Youtube video of a US 75mm Pack Howitzer being loaded and fired.

One more Youtube video of several 75mm Pack Howitzers firing blanks.