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COMPLETE ASSEMBLY M16GF M21GF M22GF M28GF M31GF
IMPACTOR O.D.
(inches)(mm)		 1 11/16″
(42.862)		 2 1/8″
(53.975)		   2 1/4″
(56.515)		 2 7/8″
(73.025)		 3 1/8″
(79.375)
IMPACTOR I.D.
(inches)(mm)		 9/16
(14.287)		 3/4
(19.05)		 11/16
(17.46)		 1
(25.40)		 1 1/4
(31.75)
STANDARD CONNECTION 1 AMMT 1.5 AMMT 1.5 AMMT 2 3/8 PAC 2 3/8 REG
OVERALL LENGTH “EXTENDED”
(feet-inches)(mm)		 5′ 10″
(1,778)		 5′ 11″
(1,803)		 5′ 11″
(1,803)		 6′ 1 1/2″
(1,866)		 6′ 5 3/8″
(1,965)
MAXIMUM DETENT WORKING LOAD
(lbs)(N)		 7,500
(33,361)		 10,000
(44,482)		 13,000
(57,826)		 26,000
(115,653)		 30,000
(133,446)
MAXIMUM LIFT LOAD AFTER JARRING
(lbs)		 50,000 100,000 120,000 200,000 280,000
TENSILE STRENGTH (lbs)
(lbs)		 80,000 150,000 160,000 250,000 325,000
MAXIMUM OVERPULL
(lbs)		 10,000 18,000 25,000 34,000 45,000
TORSIONAL YIELD STRENGTH
(ft/lbs)		 950 2,000 2,100 3,500 5,000
FREE STROKE-UP
(inches)(mm)		 5″
(127.00)		 5″
(127.00)		 5″
(127.00)		 7 5/8″
(193.67)		 4 5/8″
(117.47)
FREE STROKE-DOWN
(inches)(mm)		 3 1/2″
(88.90		 4″
(101.60)		 4″
(101.60)		 2 3/8″
(60.32)		 4 1/2″
(114.30)
TOTAL STROKE
(inches)(mm)		 8 1/2″
(215.90)		 9″
(228.60)		 9″
(228.60)		 10″
(254.00)		 9 1/8″
(231.77)
TOTAL WEIGHT
(lbs)(kg)		 42
(19.05)		 65
(29.48)		 70
(31.75)		 90
(40.82)		 110
(49.89)