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

Package Contents

Part NumberQtyDescription



Additional T370 Series Models

Model No.SizeMaximum Standing HtReach HeightApprox. SpreadApprox. Cu. Ft. Per Unit
T31010 ft7 ft9 in14 ft78 in11.1
T3744 ft1 ft11 in8 ft36 in3.5
T3766 ft3 ft10 in10 ft50 in5.7
T3788 ft5 ft9 in12 ft64 in8.2