Specification
40
NOT FOR WORKING AROUND ELECTRICITY. LIGHTWEIGHT.
ALUMINUMEXTENSION LADDERS
Lightweight 
aluminum
Model 
D1820-2EQ
Factory installed adjustable 
EverLevel
®
 leveling system 
exceeds OSHA and ANSI 
requirements
Easily adjustable in  
3⁄8" increments up to 8-1⁄4"
Convenient built-in  
bubble level
Dual action foot for use on 
hard or penetrable surfaces
Slip-resistant 
Traction-Tred
®
D-rungs
Heavy duty 
spring-loaded 
locks
Model 
No.
Total Length 
of Sections
Max. Working 
Length
Approx. Cu. Ft. 
Per Unit
Approx. Shipping 
Wt. Lbs.
D1816-2EQ‡ 16' 13' 6.5 31.5
D1820-2EQ 20' 17' 8.1 37.5
D1824-2EQ 24' 21' 9.6 45.5
D1828-2EQ 28' 25' 11.2 56.0
SPECIFICATIONS
Rails: 3" wide Fly Width: 14-1/4" outside rails
Flange: 1-1/16" wide Base Width: 17-3/8" outside rails
Rungs: 1-3/4" (20-3/4" to outside of feet)
DIMENSIONS
‡ Note: D1816-2EQ and D1716EQ are not equipped with rope and pulley
Smooth operating pulley 
Heavy duty 
spring loaded 
locks
Durable shoe rests flat  
or is held in spur position  
with Shu-Lok
® 
feature
Slip-resistant 
Traction-Tred
®
 D-rungs
Model 
D1320-2
Heavy duty 
modified 
I-beam
side rails
Interlocking 
side rails 
Mar-resistant 
end caps 
Rails: 3" wide Rungs: 1-3/4"
Flange: 1-1/16" wide Base Width: 17-3/8" outside rails
DIMENSIONS
Model 
No.
Total Length 
of Sections
Max. Working 
Length
Approx. Cu. Ft. 
Per Unit
Approx. Shipping 
Wt. Lbs.
D1316-2‡ 16' 13' 5.8 26.0
D1320-2 20' 17' 7.2 32.5
D1324-2 24' 21' 8.6 40.0
D1328-2 28' 25' 10.0 50.5
D1332-2 32' 29' 11.5 63.5
D1336-2 36' 32' 13.0 77.5
D1340-2 40' 35' 14.4 85.5
SPECIFICATIONS
‡ Note: D1316-2 is not equipped with rope and pulley
Model 
No.
Total Length 
of Sections
Max. Working 
Length
Approx. Cu. Ft. 
Per Unit
Approx. Shipping 
Wt. Lbs.
D1716-2EQ‡ 16' 13' 6.5 27.5
D1720-2EQ 20' 17' 8.1 32.5
D1724-2EQ 24' 21' 9.6 39.0
D1728-2EQ 28' 25' 11.2 48.5
TYPE I
DUTY RATING
TYPE I
DUTY RATING
250lbs. 250lbs.
D1800-2EQ/D1700-2SERIES Ext Ladder w/Integrated Leveling
D1300-2SERIES D-Rung Extension Ladder
LOAD CAPACITY LOAD CAPACITY
Exclusive 
Alflo
®
 rung 
joint means  
Twist-Proof
®
performance
Exclusive 
Alflo
®
 rung 
joint means  
Twist-Proof
®
performance
TYPE II
DUTY RATING
225lbs.
LOAD CAPACITY










