DISTANCE BETWEEN POSTS: 31 ½” L to R X 11 ½” F to B. 47” DAYLIGHT. APPROX 18” STROKE. 4 ¼” DIAMETER POST. 16” DIAMETER, SINGLE-ACTING MAIN RAM RATED AT 2500 PSI. 2” NPT PORTS. ¼ SURROUND ADJUSTABLE GUIDING ON MOVING BOLSTER. 42 ½” OPERATOR HEIGHT. OVERALL DIMENSIONS: 50” L to R X 36” F to B X 118” TALL. APPROX WEIGHT: 15,000 LBS. QTY 3. R1 (ITEM #239)