Company Gateway
Asia [English]Global Reach

T7400 Series Fiberglass Twin Stepladders

>Series Callout
The Werner T7400 series Twin Step Ladders feature a duty rating of 375lb per side of the ladder. Designed for one or two-person jobs, the T7400 ladders have heavy gauge aluminum tops and feature heavy duty internal spreaders to resist damage around the worksite or in transit. The GLAS*MARK® Violater stripes on the rails make the ladder more visible and the EDGE® bracing system and external rail shields add to the long lasting durability of these ladders. Fiberglass rails are non-conductive for working near electricity.


  • Heavy gauge aluminum extruded top with thick side plates
  • Back-up aluminum plates reinforce all top connectors
  • Shoulder bolt and lock nut on top hinge; 4 solid aluminum rivets attach top to each rail
  • Slip-resistant Traction-Tred® steps are double riveted and knee-braced
  • Extra heavy duty internal aluminum spreaders
  • Rubber step bumpers to resist damage
  • EDGE® bracing system helps to decrease damage to rail
  • GLAS*MARK® Violator stripes on rails allow ladder to be more visible
  • Aluminum external rail shield helps protect against abrasion damage
  • Shoe pads riveted to the EDGE® structure
  • Every rivet backed up by metal, metal plates or washer to protect rails
  • Designed for one or two person jobs
  • When used as a double stepladder, the maximum load per side, including person and materials, shall not exceed the duty rating of ladder

Performance Overview

StyleSizeReach HeightLoad CapacityType
Twin4 ft -- 20 ft8 ft -- 24 ft300 lbs -- 375 lbsType IAA Duty Rating



Model No.SizeLoad CapacityTypeMaximum Standing HtReach HeightApprox. Spread
T74044 ft375 lbsType IAA Duty Rating1 ft11 in8 ft36-1/8 in
T74055 ft375 lbsType IAA Duty Rating2 ft10 in9 ft43-1/8 in
T74066 ft375 lbsType IAA Duty Rating3 ft10 in10 ft50-1/8 in
T74088 ft375 lbsType IAA Duty Rating5 ft9 in12 ft64-1/8 in
T741010 ft375 lbsType IAA Duty Rating7 ft8 in14 ft78-1/4 in
T741212 ft375 lbsType IAA Duty Rating9 ft7 in16 ft92-1/4 in
T741414 ft300 lbsType IA Duty Rating11 ft6 in18 ft106-1/4 in
T741616 ft300 lbsType IA Duty Rating13 ft5 in20 ft120-1/4 in
T741818 ft300 lbsType IA Duty Rating15 ft4 in22 ft136-1/8 in
T742020 ft300 lbsType IA Duty Rating17 ft 3 in24 ft150-1/8 in

Type IAA duty rating is for stepladders up to 12 ft