McKissick® 491 Oilfield Servicing Blocks

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  • New design provides the dependability of standard McKissick® Snatch Blocks, along with features that make it perfect for the challenging needs of Tugger Hoist and Tower Erection applications.
  • Fully recessed sideplate design eliminates gap between sheave rim and sideplate, providing failsafe capture of the sheave in the case of center pin overloading.
  • Sealed tapered roller bearings extend the life of the center pin and bearings, and allows for faster line speeds than recommended with standard snatch blocks.
  • Holes through side plates are available for secondary block securement device.
  • Suitable for hoisting personnel, contingent upon all employees, including the winch operator, being trained to follow applicable Federal, local and industry standards.
    • Tugger/Derrick applications: API RP54
    • Tower applications: OSHA directive CPL 2-1.36
  • All sizes are furnished with dual rated wireline sheaves.
  • Forged steel swivels, tees, yokes and shackles are Quenched & Tempered.
  • Sheave lubrication through center pin for easy maintenance.
  • All blocks 14" and larger are furnished with McKissick® Roll Forged sheaves with flame hardened grooves.
  • Shackle fitting swivels for easy positioning.
  • Manufactured by an API Q1 Certified facility.
  • Type Approval in accordance with ABS 2015 Steel Vessel Rules.
  • All sizes are RFID EQUIPPED.
  • WLL 1 (t): 12
  • Weight Each (lb): 95
  • WLL 1 (t): 12
  • Weight Each (lb): 95
  • WLL 1 (t): 8
  • Weight Each (lb): 55
  • WLL 1 (t): 12
  • Weight Each (lb): 55
  • WLL 1 (t): 8
  • Weight Each (lb): 55
  • WLL 1 (t): 4
  • Weight Each (lb): 35
  • WLL 1 (t): 15
  • Weight Each (lb): 150
  • WLL 1 (t): 15
  • Weight Each (lb): 150
  • WLL 1 (t): 4
  • Weight Each (lb): 35
  • WLL 1 (t): 15
  • Weight Each (lb): 150
  • WLL 1 (t): 8
  • Weight Each (lb): 55
  • WLL 1 (t): 8
  • Weight Each (lb): 55
  • WLL 1 (t): 15
  • Weight Each (lb): 150
  • WLL 1 (t): 25
  • Weight Each (lb): 260
  • WLL 1 (t): 12
  • Weight Each (lb): 95
  • WLL 1 (t): 12
  • Weight Each (lb): 55
  • WLL 1 (t): 30
  • Weight Each (lb): 675
  • WLL 1 (t): 12
  • Weight Each (lb): 95
  • WLL 1 (t): 25
  • Weight Each (lb): 260
  • WLL 1 (t): 30
  • Weight Each (lb): 675
  • UPC: 662547607540
  • Product Length (in): 32.41
  • Product Width (in): 15.15
  • Product Height (in): 5.75
  • UPC: 662547605256
  • Product Length (in): 32.41
  • Product Width (in): 15.15
  • Product Height (in): 5.75
  • UPC: 662547208069
  • Product Length (in): 28.52
  • Product Width (in): 10.88
  • Product Height (in): 5.75
  • UPC: 662547606277
  • Product Length (in): 28.42
  • Product Width (in): 10.88
  • Product Height (in): 5.75
  • UPC: 662547604242
  • Product Length (in): 28.52
  • Product Width (in): 10.88
  • Product Height (in): 5.75
  • UPC: 662547207702
  • Product Length (in): 23.23
  • Product Width (in): 8.88
  • Product Height (in): 4.68
  • UPC: 662547608509
  • Product Length (in): 38.45
  • Product Width (in): 17.32
  • Product Height (in): 6.75
  • UPC: 662547211816
  • Product Length (in): 38.45
  • Product Width (in): 17.32
  • Product Height (in): 6.75
  • UPC: 662547048824
  • Product Length (in): 23.23
  • Product Width (in): 8.88
  • Product Height (in): 4.68
  • UPC: 662547607793
  • Product Length (in): 38.45
  • Product Width (in): 17.32
  • Product Height (in): 6.75
  • UPC: 662547066897
  • Product Length (in): 28.52
  • Product Width (in): 10.88
  • Product Height (in): 5.75
  • UPC: 662547208151
  • Product Length (in): 28.52
  • Product Width (in): 10.88
  • Product Height (in): 5.75
  • UPC: 662547211724
  • Product Length (in): 38.45
  • Product Width (in): 17.32
  • Product Height (in): 6.75
  • UPC: 662547376927
  • Product Length (in): 52.66
  • Product Width (in): 19.48
  • Product Height (in): 8.02
  • UPC: 662547211632
  • Product Length (in): 32.41
  • Product Width (in): 15.15
  • Product Height (in): 5.75
  • UPC: 662547605980
  • Product Length (in): 28.42
  • Product Width (in): 10.88
  • Product Height (in): 5.75
  • UPC: 662547613848
  • Product Length (in): 64.48
  • Product Width (in): 21.65
  • Product Height (in): 12.19
  • UPC: 662547602569
  • Product Length (in): 32.41
  • Product Width (in): 15.15
  • Product Height (in): 5.75
  • UPC: 662547618522
  • Product Length (in): 52.66
  • Product Width (in): 19.48
  • Product Height (in): 8.02
  • UPC: 662547612216
  • Product Length (in): 64.48
  • Product Width (in): 21.65
  • Product Height (in): 12.19