This Air Cylinder from Miller Industries has a 1.5" Bore and a 1.71" Stroke.
This cylinder is used on the assembly of many Century Wreckers, including
11075S/SDU4 Wreckers, 1140/1130/SDU4/LDU Wreckers and 1040B/SDU3 Wreckers. It
is also used on the assembly on Challenger 9909 and 8808 Rotators.
Miller Industries Air Cylinder 1.5" Bore 1.71" Stroke Use on Century Wreckers and Challenger Rotators Product Dimensions: 8"L x 2"W x 1.6"H