McKissick Utility Crane Blocks

380 Series Hook Blocks

Key to McKissick
Utility Crane Block Model Numbers
M 10 S 10 L
McKissick
Utility
Crane
Blocks		 Working
Load
Limit
(Tons)		 Number
of
Sheaves		 Sheave
Nominal
O.D.		 Block
Weight
    S=1
D=2
T=3
Q=4		 QN=5
SX=6
SV=7
OCT=8		   L=Light
(No Cheek Weight)
LM=Light Med.
M=Medium
H=Heavy

 

Table 1 - Standard Wire Line Sizes
For McKissick 380 Utility Crane Blocks
Sheave
Diameter
(in.)		 Wire Line Size
(in.)
7/16 1/2 9/16 5/8 3/4 7/8 1 1 1/8 1 1/4
10 • • • • . . . . .
12 . • • • • . . . .
14 . • • • • . . . .
16 . . • • • • . . .
18 . . . • • • • . .
20 . . . . • • • • .
24 . . . . . • • • •
* For additional wire line sizes, please call Crosby's Special Engineered Products Group at 1 (800) 777-1555.

45 Tons

Model
No.		 Inquiry
Stock
No.		 Working
Load
Limit
(tons) §		 A
Overall
Length
(in.)		 B
Net
Length
(in.)		 E
Thickness
(in.)		 F
Width
(in.)		 H
Throat
Opening
With
Flapper
(in.)		 J
Hook
Thickness
(in.)		 K
Hook
Width
(in.)		 Standard Wire Line
Size *
(in.)		 Dead End §§ Weight
Each
(lbs.)
T
Thickness
(in.)		 U
Pin Hole
(in.)
M45S24L 2011924 45@ 59.81 50.00 7.81 28.75 3.38 5.06 3.72 7/8, 1, 1 1/8, 1 1/4 1.75 2.28 790
M45S24M 2011925 45@ 59.81 50.00 15.56 28.75 3.38 5.06 3.72 7/8, 1, 1 1/8, 1 1/4 1.75 2.28 1480
M45S24H 2011926 45@ 59.81 50.00 19.56 28.75 3.38 5.06 3.72 7/8, 1, 1 1/8, 1 1/4 1.75 2.28 1940
M45D20L 2011928 45@ 50.06 45.00 7.81 24.75 3.38 5.06 3.72 3/4, 7/8, 1, 1 1/8 - - 759
M45D20M 2011931 45@ 50.06 45.00 12.31 24.75 3.38 5.06 3.72 3/4, 7/8, 1, 1 1/8 - - 1055
M45D20H 2011937 45@ 50.06 45.00 16.31 24.75 3.38 5.06 3.72 3/4, 7/8, 1, 1 1/8 - - 1401
M45T16L 2011942 45@ 45.69 40.62 8.19 20.25 3.38 5.06 3.72 9/16, 5/8, 3/4, 7/8 - - 525
M45T16M 2011951 45@ 45.69 40.62 12.53 20.25 3.38 5.06 3.72 9/16, 5/8, 3/4, 7/8 - - 690
M45T16H 2011960 45@ 45.69 40.62 15.03 20.25 3.38 5.06 3.72 9/16, 5/8, 3/4, 7/8 - - 836
M45T18L 2011969 45@ 47.31 42.25 10.38 22.75 3.38 5.06 3.72 5/8, 3/4, 7/8, 1 - - 799
M45T18M 2011978 45@ 47.31 42.25 14.50 22.75 3.38 5.06 3.72 5/8, 3/4, 7/8, 1 - - 1019
M45T18H 2011987 45@ 47.31 42.25 16.50 22.75 3.38 5.06 3.72 5/8, 3/4, 7/8, 1 - - 1158
M45T20L 2011993 45@ 50.06 45.00 10.38 24.75 3.38 5.06 3.72 3/4, 7/8, 1, 1 1/8 - - 889
M45T20M 2011996 45@ 50.06 45.00 14.88 24.75 3.38 5.06 3.72 3/4, 7/8, 1, 1 1/8 - - 1185
M45T20H 2012000 45@ 50.06 45.00 18.88 24.75 3.38 5.06 3.72 3/4, 7/8, 1, 1 1/8 - - 1531
M45Q14L 2012001 45@ 43.44 38.38 10.44 18.00 3.38 5.06 3.72 1/2, 9/16, 5/8, 3/4 - - 535
M45Q14M 2012203 45@ 43.44 38.38 15.44 18.00 3.38 5.06 3.72 1/2, 9/16, 5/8, 3/4 - - 745
M45Q14H 2012004 45@ 43.44 38.38 16.88 18.00 3.38 5.06 3.72 1/2, 9/16, 5/8, 3/4 - - 910
M45Q16L 2012005 45@ 45.69 40.62 10.44 20.25 3.38 5.06 3.72 9/16, 5/8, 3/4, 7/8 - - 627
M45Q16M 2012006 45@ 45.69 40.62 14.88 20.25 3.38 5.06 3.72 9/16, 5/8, 3/4, 7/8 - - 785
M45Q16H 2012007 45@ 45.69 40.62 17.38 20.25 3.38 5.06 3.72 9/16, 5/8, 3/4, 7/8 - - 930
M45Q18L 2012008 45@ 47.31 42.25 13.31 22.75 3.38 5.06 3.72 5/8, 3/4, 7/8, 1 - - 930
M45Q18M 2012009 45@ 47.31 42.25 17.44 22.75 3.38 5.06 3.72 5/8, 3/4, 7/8, 1 - - 1150
M45Q18H 2012010 45@ 47.31 42.25 19.44 22.75 3.38 5.06 3.72 5/8, 3/4, 7/8, 1 - - 1290
M45QN16L 2011997 45@ 49.19 40.62 13.25 20.25 3.38 5.06 3.72 9/16, 5/8, 3/4, 7/8 1.25 1.44 666
M45QN16M 2011998 45@ 49.19 40.62 17.62 20.25 3.38 5.06 3.72 9/16, 5/8, 3/4, 7/8 1.25 1.44 822
M45QN16H 2011999 45@ 49.19 40.62 20.12 20.25 3.38 5.06 3.72 9/16, 5/8, 3/4, 7/8 1.25 1.44 968

* Additional wire line sizes available upon request.
§ Ultimate Load is 4 times the Working Load Limit unless otherwise noted.
§§ Dead End dimensions for Multi-Sheave Blocks are shown here.

Specify Wire Line Size When Ordering. For Standard Wire Line Sizes See Table 1 above.