MILWAUKEE MODEL 1542-71-21-1. DOUBLE-ACTING; 4” BORE; 2.5” DIAMETER ROD; 24” MAX STROKE; 3000 PSI; ROD END TRUNNION MOUNT. PORTS ARE 1”. TRUNNION PIN IS 1.75” DIA; TRUNNION BLOCKS ARE 6” X 4” X 3” THICK WITH FOUR 0.75” THRU-HOLES; APPROX 13.25” FROM END TO END OF BLOCKS. TWO HAVE ROD END FLANGE MOUNTS THAT ARE 8” DIAMETER WITH 6 MOUNTING HOLES. TWO HAVE ROD END FEMALE CLEVIS WITH A 2” DIAMETER X 6” LONG PIN. OVERALL RETRACTED LENGTH IS APPROX 40”. QTY 4. ITEM #1957.