Specification

30
NOT FOR WORKING AROUND ELECTRICITY. LIGHTWEIGHT.
ALUMINUMSTEPLADDERS
TYPE IAA
DUTY RATING
TYPE IAA
DUTY RATING
375lbs. 375lbs.
400SERIES Stepladder T400SERIES Multi-Use Twin Stepladder®
††
LOAD CAPACITY LOAD CAPACITY PER SIDE
Model 406
• Optional black molded pail shelf kit, model no. PK76-3
Thick side plates
Shoulder bolt and
lock nut on top hinge
All steps are
knee-braced
Heavy gauge
Tool-Tra-Top
®
Slip-resistant
Traction-Tred
®
steps
Slip-resistant foot pad
Heavy duty
external
spreaders on
4', and 6'
models;
internal on
8' and above
Full set of rear
horizontals
Full
U-channel
rear rails
414 14' 38-5/8" 91-11/16" 28.2 65.0
416 16' 42-1/8" 104" 34.7 77.5
NOTE: Type IAA duty rating is for stepladders up to 12 ft.
Model
No. Size
Approx.
Width
Approx.
Spread
Approx. Cu. Ft.
Per Unit
Approx. Shipping
Wt. Lbs.
404 4' 21-1/4" 30-1/8" 4.8 16.0
406 6' 24-3/4" 42-7/16" 8.1 24.0
408 8' 28-1/4" 54-3/4" 12.2 33.5
410 10' 31-3/4" 67" 17.0 43.5
412 12' 35-1/4" 79-3/8" 22.5 54.5
SPECIFICATIONS
Top: 7" x 14" Steps: 3" wide
Front Rails: 3-1/8" wide Rear Rails: 1-3/4" wide
Front Flange: 1-1/8" wide Rear Flange: 1" wide
DIMENSIONS
Model T406
Shoulder bolt and
lock nut on top hinge
Heavy duty external
aluminum spreaders
on 4' and 6'
models; internal
spreaders on
8', 10' and 12'
Slip-resistant
Traction-Tred
®
extra wide
steps
Thick side plates
Heavy gauge
aluminum
extruded top
Slip-resistant foot pad
Full “U”-channel bracing
Solid double
riveted
construction
Model
No. Size
Approx.
Width
Approx.
Spread
Approx. Cu. Ft.
Per Unit
Approx. Shipping
Wt. Lbs.
T404 4' 21-1/4" 36-1/4" 5.0 21.5
T406 6' 24-3/4" 50-1/4" 8.8 31.0
T408 8' 28-1/4" 64-1/4" 13.3 42.0
T410 10' 31-3/4" 78-1/4" 18.7 55.0
T412 12' 35-1/4" 92-1/4" 25.0 69.0
SPECIFICATIONS
††Designed for one or two person jobs. Note: When used as a double stepladder, the maximum
load per side, including person and materials, shall not exceed the duty rating of ladder.
Top: 8-1/4" x 14" Steps: 3" wide
Rails: 3-1/8" wide Flange: 1-1/8" wide
DIMENSIONS
TYPE IA
DUTY RATING
300lbs.
LOAD CAPACITY