Specification
39
NOT FOR WORKING AROUND ELECTRICITY. LIGHTWEIGHT.ALUMINUMEXTENSION LADDERS
TYPE I
DUTY RATING
TYPE IA
DUTY RATING
250lbs.300lbs.
560-3MODEL Round Rung Extension Ladder
D1500-2/D1500-1SERIES D-Rung Extension/Straight Ladder
LOAD CAPACITYLOAD CAPACITY
Extra heavy duty  
I-beam rails
Slip-resistant 
Traction-Tred
®
D-rungs
Rugged spring 
loaded locks
Mar-resistant 
end caps 
Guide brackets
Rugged shoe rests flat or 
is held in spur position  
with Shu-Lok
®
 feature
Smooth operating  
pulley design
Thick guide bracket 
engages full fly rail
Model 
D1524-2
Base and fly  
separate easily  
for use as an 
extension or two 
single sections 
Model 
No.
Total 
Length of 
Sections 
Max. 
Working 
Length
Approx. 
Cu. Ft. 
Per Unit
Approx. 
Shipping 
Wt. Lbs.
Single 
Ladder
Model No.
Total
Length
Approx. 
Cu. Ft. 
Per Unit
Approx. 
Shipping 
Wt. Lbs.
D1516-2‡ 16' 13' 6.2 30.5 D1508-1 8' 3.6 14.5
D1520-2 20' 17' 7.7 37.0 D1510-1 10' 4.5 17.5
D1524-2 24' 21' 9.2 45.0 D1512-1 12' 5.4 21.5
D1528-2 28' 25' 10.7 56.0 D1514-1 14' 6.2 27.0
D1532-2 32' 29' 12.2 67.0 D1516-1 16' 7.1 32.5
D1536-2 36' 32' 13.7 80.0 D1518-1 18' 8.0 38.5
D1540-2 40' 35' 15.2 89.5 D1520-1 20' 8.9 43.5
SPECIFICATIONS
‡ Note: D1516-2 is not equipped with rope and pulley
Rails: 3" wide Rungs: 1-3/4"
Flange: 1-1/8" wide Base Width: 18-1/8" outside rails
DIMENSIONS
Rugged spring 
loaded locks
Molded 
slip-resistant 
shoes
Removable top fly  
section can be used  
as a single ladder
Bottom base section 
with top fly section 
can be used as a 40' 
extension ladder
Heavy duty rope and double 
pulley system lift fly and 
intermediate sections 
Rails: 4" wide Rungs: 1-1/4"
Flange: 2" wide (base & intermediate sections)
1-3/8" wide (top fly section)
Base Width: 23-1/2"
DIMENSIONS
Model 
No.
Total Length 
of Sections
Max. Working 
Length
Approx. Cu. Ft. 
Per Unit
Approx. Shipping 
Wt. Lbs.
560-3 60' 47' 26.8 179.0
SPECIFICATIONS
Exclusive 
Alflo
®
 rung 
joint means  
Twist-Proof
®
performance
Exclusive 
Alflo
®
 rung 
joint means  
Twist-Proof
®
performance










