RAM RAMD-111UC 2.25" Ball Short Arm Mount Kit with 3.68" Round Base & 11" x 3" Plate
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Heavy-Duty Short Arm Kit for Large Marine Displays
The RAM RAMD-111UC is a complete, heavy-duty mounting kit built around RAM's D-series 2.25" ball system. It combines a short double socket arm with a large 3.68" round base and an extra-wide 11" x 3" rectangular plate — giving you a low-profile, high-capacity mount designed for the largest chartplotters, multifunction displays, and wide-format marine electronics.
The 3.68" round base provides a stable, large-footprint anchor point, while the 11" x 3" plate's multiple pre-drilled hole patterns — including two holes at 180° and three holes at 120° on the base, plus a wide range of device patterns on the plate — make it compatible with a broad range of large marine electronics right out of the box. The short arm keeps the display close to the surface for a clean, low-profile install.
What's Included
- Short 2.25" double socket arm (D-series)
- 3.68" diameter round base with 2-hole (180°) and 3-hole (120°) mounting patterns
- 11" x 3" rectangular mounting plate with multiple pre-drilled device hole patterns
Key Features
- D-series 2.25" ball system — maximum rigidity for large, heavy displays
- Short arm for low-profile, close-to-surface mounting
- Extra-wide 11" x 3" plate fits large marine GPS, chartplotters, CB radios, ham radios, gimbal brackets, and more
- Large 3.68" round base provides a stable, high-load mounting footprint
- Near-infinite angle adjustment with rubber ball-and-socket technology
- Compatible with the RAM RAP-402U Cable Manager for 3.68" Round Base Plates for clean wiring
Choosing the Right Configuration
This is the short arm, compact version of the D-series large-plate kit. For the same kit with a standard arm and an additional 3-3/4" round base included, see the RAM RAMD111U 2.25" Ball Mount with 3" x 11" Base & 3-3/4" Base. For the same kit with a Hi-Torq™ wrench included, see the RAM 2.25" Ball Mount with Hi-Torq™ Wrench.
For a standard arm in the D-series system, see the RAM RAMD-201U Standard Length Double Socket Arm for 2.25" Balls. For the D-series round base component only, see the RAM RAMD-202U 2.5" Round Base with 2.25" Ball.
Parts Desk Insights
Best use case: This kit is the right call for customers mounting large, wide-format chartplotters or multifunction displays where the 6-1/4" x 2" plate found on smaller kits isn't wide enough. The 11" x 3" plate covers a much broader range of large device mounting patterns and gives a more stable hold on bigger screens. The short arm suits flush console installs where the display needs to sit close to the surface. The D-series 2.25" ball system provides the stiffest, most rigid hold in the RAM lineup — important for large screens on boats that see rough water. Pair with the RAM RAP-402U Cable Manager to route wiring cleanly through the 3.68" base.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.