National 7 ½, Single Toggle Max. 1800 Ton

7 ½” National Heavy Duty Upset Forging Machine
Mdl No. 7 ½, Single Toggle

Only 29 National 7 ½” Upsetters ever made

SPECIFICATIONS:
Upsetting Force………………………………………………………………………..1800 tons
Rated Bar Diameter………………………………………………………………………… 7 ½”
Stroke……………………………………………………………………………………………. 22”
Strokes Per Minute…………………………………………………………………………. 25
Stock Gather…………………………………………………………………………………… 11 ½”
Hold………………………………………………………………………………………………… 6 ¼”
Grip Opening………………………………………………………………………………….. 9-7/16”
Length x Height of Die Space………………………………………………………… 28” x 36”
Motor………………………………………………………………………………………….. 150 HP
Floor Space L-R, F-B……………………………………………………………….. 19’5” x 18’5”
Approximate Weight……………………………………………………………….. 350,000 lbs