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T374 4 ft Type IA Aluminum Twin Ladder

Performance Overview

StyleSizeReach HeightLoad CapacityType
Twin4 ft8 ft300 lbsType IA Duty Rating

The T370 aluminum multi-use Twin Step Ladder has a large aluminum extruded top and feature a duty rating of 300 lbs per side making these ladders ideal for one or two-person jobs. The slip-resistant TRACTION-TRED® steps are all double riveted. The TRACTION-TRED® steps on the front and rear sections are slip resistant. Heavy duty aluminum brackets hold the slip-resistant foot pads.


  • Twin sided ladder Design for one or two-person jobs
  • Maximum load per side, including person and materials, shall not exceed duty rating of ladder
  • Large aluminum extruded top with thick side plates
  • Slip-resistant TRACTION-TRED® steps on front and rear sections
  • External PINCH-PROOF™ spreaders
  • Step braces on top and bottom steps
  • Heavy duty aluminum foot bracket with slip-resistant foot pad


FeatureSize / Details
Size4 ft
Reach Height8 ft
Maximum Standing Ht1 ft11 in
Load Capacity300 lbs
Approx. Cu. Ft. Per Unit3.5
Approx. Spread36 in
CertificationsANSI A14.2 (2007); OSHA
Front Flange7/8 in
Front Rails3 in
Approx. Product Height4 ft
Approx. Product Width21-1/4 in
Rear Flange7/8 in
Spreader MaterialAluminum
Rear Rails3 in
Top Dimension8-1/4 in x 14 in
TypeType IA Duty Rating
With 1 Pail ShelfNo

Package Contents

Part NumberQtyDescription



Additional T370 Series Models

Model No.SizeReach HeightMaximum Standing HtApprox. Cu. Ft. Per UnitApprox. SpreadApprox. Product Height
T31010 ft14 ft7 ft9 in11.178 in10 ft
T3744 ft8 ft1 ft11 in3.536 in4 ft
T3766 ft10 ft3 ft10 in5.750 in6 ft
T3788 ft12 ft5 ft9 in8.264 in8 ft