Design, Manufacture and Installation of Theatrical Equipment Worldwide

Mule Blocks – 12 Series, 8" Blocks

  • Used to divert the cables around obstructions or change direction of travel. • ASTM Class 30 grey iron sheave. • Tapered roller bearings. • Seven gauge side plates fully enclose sheave.
  • Three gauge formed channel base.
  • Four spacers between the side plates prevent cables from escaping the sheave grooves.
  • Mule blocks must be welded in place after final alignment – consult the factory for specific information.

Ordering Information
Model Grooving RWL
Per Line
Max Total
RWL 180°
Wrap
Max Total
RWL 90°
Wrap
Height "A"
8" Mule Blocks—Cast Iron Sheave w/ Ball Bearings
500-10812C25 (1) 1/4" Cable 500 lbs. 500 lbs. 500 lbs. 4 1/16" 3 1/16"
500-20812C19 (2) 3/16" Cables 400 lbs. 800 lbs. 800 lbs. 4 1/16" -
500-20812C25 (2) 1/4" Cables 500 lbs. 1000 lbs. 1000 lbs. 4 1/16" -
8" Mule Blocks—Cast Iron Sheave w/ Tapered Roller Bearings
500-10812C25T (1) 1/4" Cable 500 lbs. 500 lbs. 500 lbs. 4 1/16" 3 3/16"
500-20812C19T (2) 3/16" Cables 400 lbs. 800 lbs. 800 lbs. 4 1/16" -
500-20812C25T (2) 1/4" Cables 500 lbs. 1000 lbs. 1000 lbs. 4 1/16" -
500-40812C19 (4) 3/16" Cables 400 lbs. 1400 lbs. 1600 lbs. 5 1/4" 2 15/16"
500-40812C25 (4) 1/4" Cables 500 lbs. 1400 lbs. 2000 lbs. 5 1/4" 2 15/16"
500-80812N19 (8) 3/16" Cables 700 lbs. 1400 lbs. 2000 lbs. 6 13/16" -
500-80812C25 (8) 1/4" Cables 500 lbs. 1400 lbs. 2000 lbs. 6 13/16" -

Dimension “A” is from the base to the center of the first block groove
RWL: RWL is maximum load that can be applied to been properly installed, maintained and operated.
7041 Interstate Island Road | Syracuse, NY USA 13209-9713 | Phone: 315-451-3440 | Toll Free: 800-836-1885
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