Description
Built for serious boaters and pro anglers who demand strength and precision, this heavy-duty RAM D-Size Marine Electronics Mount delivers rock-solid stability for large displays and high-power fishfinders. Featuring a D size - 2.25" rubber ball and durable double socket arm, this system absorbs shock and vibration on the water while holding tight—even in rough conditions. The included RAM Hi-Torq™ Wrench allows you to securely lock your display in place for maximum torque and zero slippage.
Designed with versatility in mind, the mount includes both a 3.68" round base and an elongated 11" x 3" rectangular base with multiple pre-drilled hole patterns, making it easy to fit a wide range of GPS units, chartplotters, and sonar systems. With a 6 lb support capacity and smooth adjustability, you’ll always have the perfect viewing angle at the helm.
Key Features
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Heavy-duty D-Size (2.25") RAM ball for superior holding strength
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3.68" round base + 11" x 3" rectangular base with multiple mounting hole patterns
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Short double socket arm for compact strength and easy repositioning
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Includes RAM Hi-Torq™ Wrench for extra-tight, secure installation
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Shock and vibration resistant — ideal for open water use
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Supports devices up to 6 lbs.
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Fully extended height: 8.125"
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Marine-grade, powder-coated aluminum for long-term durability
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Made proudly in the USA
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Backed by RAM Mounts’ lifetime warranty
Compatibility(partial list)
This rugged mount accommodates a wide range of large-format GPS units and fishfinders from leading brands such as Garmin®, Lowrance®, Humminbird®, and Raymarine®, including (but not limited to):*
Garmin
- echoMAP 70DV
- ECHOMAP Ultra 122sv
- ECHOMAP Ultra 126sv
- GPSMAP 740s
- GPSMAP 1020xs
- GPSMAP 1040xs
- GPSMAP 1222/xsv Touch
- GPSMAP 1242xsv/Touch
Humminbird
- 800 & 900 Series
Lowrance
- HDS Carbon 9
- HDS Carbon 12
- Hook²-12
- Elite-9 CHIRP
- Elite-9 Ti
- Elite-9 Ti²
- Elite-12 Ti
- Elite-12 Ti²
Raymarine
- Axiom 7
- Axiom 9
- C120
Also fits many gimbal brackets, CB and Ham radios, and other oversized marine electronics.
* Additional Information: The 11" x 3" rectangle base is a universal mounting bracket with a selection of mounting hole locations. In certain applications additional holes may need to be drilled for proper fit with your electronic device.
Perfect For
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Fishing boats, offshore vessels, center consoles, and helm stations
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High-power sonar and chartplotter installations
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Harsh environments where stability is critical
Brand: RAM Mounts
Part Number: RAM-D-111-C-KNOB9H
Warranty: Manufacturer’s Lifetime Warranty