P R O D U C T L I N E
E X P E R I E N C E T H E A R M S T R O N G A D V A N T A G E
Setting the Standard for Outboard
Propulsion Worldwide
2000 SERIES
DESIGNER SERIES
OUTBOARD
BRACKET
COLLECTION
TOURNAMENT SERIES
EXTREME SERIES
250 Horsepower per Engine Maximum
2 Engines Maximum
300 Horsepower per Engine Maximum
2 Engines Maximum
500 Horsepower per Engine Maximum
4 Engines Maximum
600 Horsepower per Engine Maximum
4 Engines Maximum
Key Features:
Includes our Armstrong Patented Watertight Compression Deck Plate
for quick inspection access
Positive flotation interior supports the weight of even the largest four-
stroke engines
Integral nonskid platform surface for secure footing
Constructed from durable marine-grade aluminum
All Armstrong Brackets are fully customizable to meet your specific needs, including: transom angle
match, custom colors, your choice of platform width, built in ladder mounts, kicker engine bracket on
platform, bracket built to transom shape, floatation chambers sized for extra buoyancy, bracket bottom
matched to hull deadrise, engine centers to fit your particular engine, hull design, and intended use.
Marine grade aluminum construction provides the strength and corrosion resistance needed for long
product life. All Armstrong brackets are backed by a 15-year structural warranty and 3 years on the
finish
INCREASED SPEED BETTER FUEL ECONOMY BETTER HANDLING GREATER FLOATATION
DRIER RIDE INCREASED SAFETY MORE FUNCTIONAL SPACE
Test Information courtesy of Ship Shape Tv and Ship Shape TV’s ShipShape Test.
The original center pole ladder leading
the market in marine ladder design
3 STEP 40"
2 STEP 28"
3 STEP 34"
MARINE
LADDER
COLLECTION
4 STEP 48"
Key Features:
Armstrong Marine Ladders float!
ML3-48-TM with Lower Pin Placement – allows the ladder to sit higher,
creating an additional handhold above the deck.
Diver “Fin Friendly” design
Rigid center pole construction
Comfort angled like a step ladder
Extra wide, flat steps with molded tread for secure climbing
Rated to 400 lbs for in or out of water use
Electropolished 304 Stainless Steel
Choose from a variety of mounts suited to your application
Backed by a 3-year structural warranty
3 STEP 48" WITH HANDLE
ML2-28
ML3-34
ML3-48-TM
ML3-40
ML4-48
Retrofit Mount
Slotted
Ladder Storage
Clips (Pair)
Transom Ladder Mount
Extra Long
Transom Ladder Mount
Platform Ladder Mount
Standard Length
Retrofit Mount
Non-Slotted
Platform Ladder Mount
Extra Long
Ladder
Face Plate
Ladder Face Plate with
.500 Spacer Block
Ladder
Locking Clip
Angled Transom Ladder
Mount
(Port or Starboard)
PLM
PLM-XL
LLC
LFPwSB.5
LFP
LSC
RM-S
RM-NS
TLM
TLM-XL
TLM-AP or TLM-AS
2 STEP 28"
3 STEP 40"
Leading the way in boarding ladder
design in safety excellence
SWING
LADDER
COLLECTION
Key Features:
Armstrong Swing Ladders float!
Swing Ladders attach directly to the transom of the boat
Ladder swings to avoid damage from motoring with ladder down
Diver "Fin Friendly" design
Rigid center pole, comfort angled like a step ladder
Locks in upright position or removes for easy stowage
Wide flat steps with molded tread
Supports 400+ pounds (182+ kg), meets ABYC H-41 standard
Electropolished 304 Stainless Steel
Backed by a 3-year structural warranty
3 STEP 40"
2 STEP 28"
3 STEP 34"
4 STEP 48"
3 STEP 40" WITH HANDLE
SL3-40-TM
SL3-34
SL2-28
SL3-40
SL4-48
4 STEP 48" WITH HANDLE
SL4-48-TM
Swing Ladder Mount
Extra Long
Platform Adaptor for
“Swing Series” Ladder
Mount (mount not
included)
Swing Ladder Mount
Platform Ladder
Adaptor complete with
“Swing Series” Ladder
Mount
Ladder Storage
Clips (Pair)
LSC
PSLM+SLM
PSLM
SLM-XL
SLM
BOARDING
LADDER
COLLECTION
High-Quality Armstrong Boarding
Ladders for Marine Use
3 STEP 40"
$355.00
UNDER PLATFORM
UNDER PLATFORM
2 STEP 28"
$265.00
3 STEP 37"
4 STEP 48"
3 STEP 30"
4 STEP 40"
DECK MOUNT
DECK MOUNT
The Armstrong Boarding Ladder comes in two variations, designed for ease of use and
durability. The BL Series is a testament to Armstrong's commitment to quality and strength,
offering a basic yet robust boarding ladder choice for marine enthusiasts. All boarding ladders
are backed by a 3-year structural warranty.
BL3-30UP
BL4-40UP
BL3-37DM
BL4-48DM
Deck Mount Boarding Ladder
Angled like a step ladder for easy boarding
Extra-wide, flat steps with molded tread for secure footing
Rated to 400 lbs.
Electropolished 304 Stainless Steel
Standard boarding ladder designed to “swing over” onto a horizontal
surface for easy storage and access
3 and 4-Step Models
BL3-30UP
Compact design – fits under any platform at least 14.5” wide and 17” deep
Designed to fit under most Armstrong outboard bracket platforms
Rated up to 400lb
Same robust design as the Armstrong Boarding Ladder and RIB Ladder
Steps are angled at 15° for comfort during climbing
Electropolished 304 Stainless Steel construction
BL4-40UP
Fits under any platform at least 14.5” wide and 19” deep
Designed to fit under most Armstrong outboard bracket platforms
Rated up to 400lb
Same robust design as the Armstrong Boarding Ladder and RIB Ladder
Steps are angled at 15° for comfort during climbing
Electropolished 304 Stainless Steel construction
3 STEP 37"
4 STEP 48"
SM: 16" - 18" tube diameter
MED: 19" - 20" tube diameter
LG: 21" - 22" tube diameter
XL: 23" - 24" tube diameter
RIB LADDER
COLLECTION
Our award winning ladder allows you to
gracefully enter or exit your RIB
RIB Ladder
Mounting Hardware
SM: 16" - 18" tube diameter
MED: 19" - 20" tube diameter
LG: 21" - 22" tube diameter
XL: 23" - 24" tube diameter
Armstrong’s award winning ladder allows you to gracefully enter or exit your RIB. Soft
mounting system surface mounts to tube, meaning no holes in pontoons required. Armstrong
RIB Patent #: 7,861,663
RL3-37N
RL4-48N
RLM
Key Features:
Maintains an outward angle when you climb – does not push under the boat
Supports 400+ pounds (182+ kg), meets ABYC H-41 standard
Extra wide, flat steps with molded tread are comfortable to use
Ladder is easy to remove and replace in mounting system
Ladder telescopes and folds for compact stowage
Electropolished 304 Stainless Steel
Backed by a 3-year structural warranty
Armstrong’s American-made solutions
for enhanced durability and sealing
DECK PLATE
COLLECTION
Key Features:
Watertight seal on flat, rigid surfaces – no sealant or trim ring needed
One-piece, tool-free design with easy “T” handle operation
Withstands up to 1,000 lbs
Patented center-load design ensures uniform sealing pressure
Backed by a 3-year structural warranty
DP 6
DP 8
DP 10
DP 10X20
DP-6
DP-8
DP-10
DP-10x20
Our Deck Plates now come in display-ready retail packaging, complete with a built-in installation
template and a QR code linking to a step-by-step video for easy setup.
Armstrong Nautical Watertight Deck Plates exemplify durability, ease of use, and
top-notch performance, making them essential for marine applications. With
innovative design, patented technology, and certification, they stand out as a reliable
choice for above-waterline installations, providing unparalleled sealing against water
intrusion. Developed with precision engineering and a commitment to excellence,
these deck plates offer a reliable solution for maintaining the integrity of your
vessel’s structure.
Key Features:
Improved planing, speed, and handling
Better fuel efficiency and shallow water access
Helps reduce corrosion and engine wear
Backed by a 15-year structural and 3-year finish warranty
JACK PLATES &
SWIM PLATFORMS
Armstrong Jack Plates provide a strong, reliable solution for optimizing engine placement. By spacing
the engine off the transom, they allow you to install a longer shaft engine than your boat was originally
designed for—improving performance, handling, and access to shallow water.
While Armstrong Jack Plates are customizable to fit your unique requirements, we also provide two
Standard Jack Plates, readily available for purchase.
STANDARD SWIM PLATFORM
20" SETBACK, 20" WIDE
Key Features:
Custom-built to match your transom’s size,
angle, setback, and color
Durable marine-grade aluminum with non-slip
surface for safety
Compatible with most Armstrong Ladders
(excluding RIB Ladder)
Backed by a 15-year structural and 3-year finish
warranty
Expertly built from high-quality marine-grade materials, Armstrong Swim Platforms offer a
safe, stable space for lounging, swimming, and boarding. Designed for durability and ease of
use, they enhance your time on the water.
Fully customizable to fit your needs, or choose our Standard Swim Platform with a 20" setback
and 20" width—ready to install.
SWIM PLATFORMS
JACK PLATES
Unlock the full potential of your vessel
STANDARD JACK PLATE
4.5” SETBACK – 5” RISER - 300 HP PER ENGINE
JP5-4.5
SDP20-TA-20
STANDARD JACK PLATE
6.5” SETBACK – 5” RISER - 500 HP PER ENGINE
JP5-6.5
LET’S BUILD YOUR NEXT PROJECT.
Our team is ready to help bring your
next project to the water.
sales@armstrongnautical.com
+1 (772) 286-7204
armstrongnautical.com
Armstrong Nautical, LLC
3140 SE Dominica Terrace
Stuart, FL 34997
Jimmy Dunseith, CEO
armstrongnautical.com
STUART, FLORIDA
772.286.7204
CROSWELL, MICHIGAN
810.679.2333
BARTOW, FLORIDA
863.519.6611
THREE LOCATIONS. ONE TEAM.
Together, Armstrong, Jay & Kay Fabrication, and Best Fab provide expanded marine manufacturing
capabilities across three specialized locations. From brackets and marine hardware to tubular
fabrication, machining, and marine fuel tanks, our teams work together to deliver dependable
products, responsive service, and long-term support.
EXPANDED CAPABILITIES. SHARED STANDARDS. ONE COMMITMENT TO QUALITY.
Outboard Engine Brackets
Boarding Ladders
Deck Plates
Mounts & Accessories
Jack Plates
Swim Platforms
Arches & Hardtops
Custom OEM Fabrication
CNC Tube Bending
Machining & Welding
Custom Marine Fuel Tanks
Tank Design & Engineering Support
Precision Aluminum Fabrication
Pressure Testing & Quality Checks
Custom marine products built for
performarnce on the water.
Precision fabrication and OEM
support for marine and industrial
applications.
Built-to-spec fuel tank solutions for
boat builders and marine projects.
Our mission is to build dependable, high-quality marine products for boat
builders, yacht designers, and boat owners. From design through manufacturing,
we focus on quality, safety, performance, and practical solutions built for the
demands of the marine environment.
Proudly made in the USA, our products reflect decades of experience and a
continued commitment to doing things the right way.