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D500-2 Series Aluminum Multi Section Extension Ladders

Series Callout
The D500-2 aluminum extension ladders have a duty rating of 375 lbs 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 lbs for 36 ft-48 ft models.


    Performance Overview

    SizeStyleReach HeightLoad CapacityTypePerformance Rating
    20 ft -- 48 ft Multi Section 20 ft -- 45 ft 300 lbs -- 375 lbs Type IAA Duty Rating 4 -- 5


    Rails DimensionFlange DimensionRung DimensionFly Width
    3-1/4 in 1-3/16 in -- 1-1/4 in 1-3/4 in 16-7/8 in -- 20-5/32 in


    Model No.SizeReach HeightMax Working LengthExtended LengthLoad CapacityType
    D520-220 ft20 ft17 ft17 ft375 lbsType IAA Duty Rating
    D524-224 ft23 ft21 ft21 ft375 lbsType IAA Duty Rating
    D528-228 ft27 ft25 ft25 ft375 lbsType IAA Duty Rating
    D532-232 ft31 ft29 ft29 ft375 lbsType IAA Duty Rating
    D536-236 ft34 ft32 ft32 ft300 lbsType IA Duty Rating
    D540-240 ft37 ft35 ft35 ft300 lbsType IA Duty Rating
    D544-244 ft41 ft39 ft39 ft300 lbsType IA Duty Rating
    D548-248 ft45 ft43 ft43 ft300 lbsType IA Duty Rating

    Type IAA duty rating is for extension ladders up to 32 ft