20' Type IAA Aluminum D-Rung Extension Ladder

D520-2

Werner Co.

The D500-2 aluminum extension ladders have a duty rating of 375 pounds and feature the exclusive ALFLO rung joint for a TWIST-PROOF performance every time. The end caps are mar resistant and notched for easy separation of sections.

Quick Overview

    Features
  • Exclusive ALFLO rung joint means TWIST-PROOF performance
  • 1-3/4" Slip-resistant TRACTION-TRED D-rungs
  • Heavy Duty extruded rung locks are spring loaded to operate smoothly
  • Base and fly separate easily for use as an extension or two single sections
  • Smooth operating pulley pulley design with 3/8" rope
  • Internal guides increase ease of operation
  • Extra heavy duty I-beam rails
  • Rugged spring loaded locks operate smoothly
  • Heavy duty, self-aligning, free-swinging shoe with slip-resistant tread and replaceable steel spur plate
  • Mar-resistant end caps notched for easy separation of sections
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Details

The D500-2 aluminum extension ladders have a duty rating of 375 pounds and feature the exclusive ALFLO rung joint for a TWIST-PROOF performance every time. The end caps are mar resistant and notched for easy separation of sections. Both the base and the fly sections can be used separately. Internal guides increase the ease of operation when raising and lowering. The feet are heavy-duty, self-aligning and free swinging for hard or penetrable surfaces. Rugged spring-loaded locks operate smoothly. TRACTION-TRED D rungs are slip resistant. Duty rating changes to 300 pounds for 36'-48' models.


Specifications
  • Size: 20'
  • Reach Height: 20'
  • Max Working Length: 17'
  • Load Capacity: 375 lbs.
  • Type: Type IAA Duty Rating
  • Material: Aluminum
  • Rung Type: D
  • Foot Material: Slip-resistant pad
  • Number of Sections: 2
  • Certifications: ANSI A14.2 (2007); OSHA
  • Approx. Cu. Ft. Per Unit: 8.8
  • Approx. Shipping Wt. Lbs.: 42

    • Dimensions
  • Rails Dimension: 3-1/4"
  • Flange Dimension: 1-3/16"
  • Rung Dimension: 1-3/4"
  • Fly Width: 16-7/8"
  • Base Width: 19-1/8" outside Shoes

    • Additional D500-2 Series Models
    Model No.SizeReach HeightMax Working LengthLoad CapacityType
    D520-2 20'20'17'375 lbs.Type IAA Duty Rating
    D524-2 24'23'21'375 lbs.Type IAA Duty Rating
    D528-2 28'27'25'375 lbs.Type IAA Duty Rating
    D532-2 32'31'29'375 lbs.Type IAA Duty Rating
    D536-2 36'34'32'300 lbs.Type IA Duty Rating
    D540-2 40'37'35'300 lbs.Type IA Duty Rating
    D544-2 44'41'39'300 lbs.Type IA Duty Rating
    D548-2 48'45'43'300 lbs.Type IA Duty Rating

    Additional Information

    Manufacturer: Werner Co.
     
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