48' Aluminum Extension Ladder D-Rung (Type 1A)

American Ladders & Scaffolds

Regular price $1,075.00

Shipping calculated at checkout.



The D548-2 48ft Aluminum Extension Ladder has a duty rating of 300lb 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 375lb for 20ft to 32ft models.


    • Exclusive Alflo® rung joint means Twist-Proof® performance

    • 1.75in 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 double pulley design with 3/8in 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


Werner Benefit Exclusive Alflo® rung joint means Twist-Proof® performance
Size 48ft
Load Capacity 300lb
Duty Rating Type IA Duty Rating
Style Multi Section
Approx. Product Length (in) 288
Approx. Product Height (in) 5.68
Approx. Product Width (in) 20.125
Approx. Product Weight (lb) 142.5
Max. Open Extended Length 43ft
Max. Safe Working Height 43ft
Number of Sections 2
Material Aluminum
Color of Ladder Rail Metal
Foot Design Heavy duty
Foot Material Slip-resistant pad
Approx. Product Length (ft) 24
Approx. Closed Length (in) 288
Approx. Cu. Ft. Per Unit 23.3
Section x Rungs 2 x 24
Rails Dimension 3.25in
Steps/Rung Dimension 1.75in
Base Width (in) 20.125
Fly Width 20.16in
Flange Dimension 1.25in
Certifications ANSI A14.2 (2007), OSHA
Reach Height 45ft
Rung Dimension 1.75in
Rung Type D-Rung
Approx. Shipping Length (in) 288
Max. Load 300lb
Approx. Shipping Width (in) 20.4
Approx. Shipping Height (in) 5.6
Approx. Shipping Weight (lb) 142.5