RAM Mount D‑Size Heavy‑Duty Marine Mounting Systems

RAM Mount D‑Size systems deliver the highest level of strength and stability for serious boaters running large marine electronics. Built around the rugged 2.25" D‑size ball, these mounts are engineered to support 9"–12" fishfinders, chartplotters, and other heavy devices, providing unmatched holding power in rough water and high‑vibration environments.

Products in this category include RAM‑D‑115, RAM‑D‑111, and other heavy‑duty assemblies featuring reinforced aluminum arms, large mounting plates with multiple pre‑drilled hole patterns, and universal compatibility with leading brands such as Garmin GPSMAP, Lowrance HDS, and more.

Whether upgrading your helm, rigging a new vessel, or replacing an aging mount, D‑Size RAM systems ensure rock‑solid performance, precise adjustability, and long‑term durability trusted by professional anglers, offshore captains, and marine electronics installers.

Key Benefits of RAM Mount D‑Size Systems

• Heavy‑duty 2.25" D‑size ball supports large and heavy marine electronics
• Compatible with 9"–12" fishfinder and chartplotter gimbal brackets
• Reinforced aluminum construction for maximum durability in harsh marine conditions
• Multiple pre‑drilled mounting patterns for Garmin, Lowrance, Humminbird, and more
• Available in short, medium, and long arm configurations for custom installations
• Ideal for offshore boats, center consoles, and high‑vibration environments
• Provides smooth adjustability and secure locking for precise screen positioning
• Trusted by marine professionals for stability, reliability, and long‑term performance

FAQs

1. What makes RAM D‑Size mounts different from other RAM ball sizes?

RAM D‑Size mounts use a 2.25" ball, offering significantly more holding power than B‑ or C‑size systems. They are designed specifically for large, heavy marine electronics and high‑vibration environments.

2. Which devices are compatible with D‑Size RAM mounts?

D‑Size mounts support 9"–12" fishfinders and chartplotters, including popular models like Garmin GPSMAP and Lowrance HDS units, thanks to their large mounting plates and multiple hole patterns.

3. Are D‑Size RAM mounts suitable for offshore or rough‑water boating?

Yes. Their heavy‑duty aluminum construction and oversized ball system make them ideal for offshore, high‑speed, and rough‑water conditions, providing maximum stability and vibration resistance.