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Products > Climbing-Equipment > Stepladders > 400 Series > 406 6 ft Type IAA Aluminum Step Ladder

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406 6 ft Type IAA Aluminum Step Ladder

Performance Overview

StyleSizeReach HeightLoad CapacityTypePerformance Rating
Single Sided6 ft10 ft375 lbsType IAA Duty Rating

The aluminum 400 series of stepladders has a duty rating of 375 lbs and features heavy gauge TOOL-TRA-TOP®s. All steps are knee braced and the TRACTION-TRED® steps are slip resistant. The rear rail is a full U channel and a full set of rear horizontals are spaced one per foot. The 14' and 16' models carry a duty rating of 300 lbs.


  • Heavy gauge TOOL-TRA-TOP® with thick side plates
  • Shoulder bolt and lock nut on top hinge; 4 solid aluminum rivets attach top to each rail
  • All steps are knee-braced
  • Slip-resistant TRACTION-TRED® steps are double riveted to rails for durability
  • Heavy duty external spreaders
  • Full set of rear horizontals spaced one per foot
  • Full U-channel rear rails
  • Full set of rear horizontals and spaced one per foot
  • Slip-resistant foot pad
  • Optional molded pail shelf kit, model no. PK76-4


FeatureSize / Details
Size6 ft
Platform Width12-5/8 in x 15 in
Platform Depth12-5/8 in x 15 in
Reach Height10 ft
Maximum Standing Ht3 ft10 in
Description of Top FeaturesParts tray, 2 drill holes, 2 tool slots
Load Capacity375 lbs
TypeType IAA Duty Rating
Performance Rating
Approx. Width24-3/4 in
Approx. Spread42-7/16 in
Pail Shelf IncludedNo
Spreader MaterialAluminum
CertificationsANSI A14.2 (2007); OSHA
Approx. Cu. Ft. Per Unit8.1
Approx. Shipping Wt. (kg)24

Package Contents

Part NumberQtyDescription


Top7 in x 14 in
Front Rails3-1/8 in
Front Flange1-1/8 in
Rear Rails1-3/4 in
Rear Flange1 in
Step Depth3 in

Additional 400 Series Models

Model No.SizeReach HeightMaximum Standing HtLoad CapacityTypePerformance Rating
4044 ft8 ft1 ft11 in375 lbsType IAA Duty Rating
4066 ft10 ft3 ft10 in375 lbsType IAA Duty Rating
4088 ft12 ft5 ft9 in375 lbsType IAA Duty Rating
41010 ft14 ft7 ft8 in375 lbsType IAA Duty Rating
41212 ft16 ft9 ft7 in375 lbsType IAA Duty Rating
41414 ft18 ft11 ft6 in300 lbsType IA Duty Rating
41616 ft20 ft13 ft5 in300 lbsType IA Duty Rating