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Model #: 15144



Model Number 15144
ANSI Duty Rating Type IA - Extra Heavy Duty
Weight Capacity 300 lbs.
Product Material Fiberglass
Warranty 1-Year
Product Weight 40 lb
Country of Origin USA
Storage Depth 10 in
Storage Height 55 in
Storage Width at Base 2.42 ft
Feet Standard non-marring (snap-on)
Spreader System Hinge Lock


90° Position Yes
Tip & Glide Wheels™ No
V-Bar No
Ratchet Levelers No
Ground Cue No
Air Deck Ports No
Claw No
Scaffolding Position Yes


Ladder Size 15 ft
Palm & Hinge Lock System Cast Aluminum / Triple Locking Hinge
Height Adjusting Lock Cast Aluminum Rock Locks
Inside Clear Width 1.04 ft
Inner Rung Depth 1.4 in
Outer Rung Depth 1.5 in
Rung Size Double Section 4 in
Top Width 1.48 ft
Highest Standing Level
Maximum Footprint 5.17 ft
Max Reach 11.33 ft


Extension Lock Cast Aluminum Rock Locks
Extension Min Reach 8.92 ft
Extension Minimum Working Length 8.92 ft
Extension Maximum Working Length 14.92 ft
Extension Max Reach 18.08 ft
Extension Total Length of Sections 17.17 ft

Shipping Specifications

Ship length 4.67 ft
Ship Width 2.42 ft
Ship Height 10 in
Ship Weight 45.7 lb

Multi-Position, Non-Conductive Fiberglass Ladder

24 ladders in 1

Easy Carry Handle

Work safely, at height

Tough V-Bar for Leaning on Poles and Corners

3-in-1 ladder

Multi-Position, Non-Conductive Fiberglass Ladder

24 ladders in 1

Easy Carry Handle

Work safely, at height

Tough V-Bar for Leaning on Poles and Corners

3-in-1 ladder

What size ladder do I need?

Size refers to the ANSI definition of length. ANSI states that the size is defined by the combined length of all rail sections, with a tolerance of +/-3” on each section. Note, this does not take into account any overlap between sliding sections like those on an extension or multi-purpose ladder. This can cause a disparity in the size of the ladder versus the actual height. To determine which ladder you need, Little Giant recommends you reference maximum reach height instead of size.

What is Duty Rating?

The terminology for ladder duty ratings, grades, and types can sometimes be confusing. The ladder's duty rating is the maximum safe load capacity of that ladder according to ANSI standardsThere are 3 types of ratings that Little Giant offers:

Type I - Made to handle everyday projects. Has a load capacity of 250 lbs.

Type IA- Designed with durability and regular use in mind. Has a load capacity of 300 lbs.

Type IAA- Built for professional performance and rugged use. Has a load capacity of 375 lbs.

What is the difference between SIZE and MAXIMUM REACH HEIGHT?

Ladder specifications can be confusing due to safety regulation requirements. According to ANSI (American National Standards Institute), the ladder size is defined as the total length of each section and does not account for overlap on extension ladders. As a result, the overlapping sections reduce the total length of the ladder. When purchasing any ladder customers should pay particular attention to the maximum reach to ensure the correct product for the job.

Where Can I Purchase Replacement Parts For My Little Giant Ladder?

Little Giant Ladders offers replacement parts for products manufactured by Little Giant Ladders only. Please contact Customer Service at 1 (800) 453-1192 or shop online at

When ordering replacement parts, you will need to provide the Little Giant Ladder Model Number and Mark Number or a description of the part you need.

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