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GARMIN EchoMAP 74dv with Transducer and US BlueChart g2

Item: 010-01524-01
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This Item is Brand New


Contents of the Package

  • echoMAP 74dv with U.S. BlueChart® g2
  • Power/data cable
  • Quick-release mount
  • Flush mount
  • Protective cover
  • GT21-TM transducer (4-pin)
  • Transom mount
  • Hardware
  • Documentation


7-inch Combo with Great Features for the Money
    High-contrast color display with keypad control with preloaded U.S. BlueChart g2 coastal maps
    DownVü scanning sonar with the clearest images on the water
    Built-in 500 W (RMS) HD-ID sonar (4,000 W peak to peak)
    5 Hz Internal GPS updates position and heading 5 times per second
    Tilt/swivel quick disconnect mount

The easy-to-install, easy-to-use echoMAP 74dv includes a 7-inch high-contrast color display with automatic backlight adjustment. It comes with 1 transducer for 50/200 kHz HD-ID™ sonar and Garmin DownVü™, the clearest scanning sonar on the water.  Also supports Minn Kota® and MotorGuide® trolling motors with integrated transducers. Internal 5 Hz GPS updates position and heading 5 times per second. The combo’s cords plug directly into the mount allowing you to quickly install and remove your device from power and the mount. Transom mount included.

Clearest Scanning Sonar on the Water

Garmin DownVü scanning sonar gives you a nearly photographic image of what passes below your boat. You clearly see structure, submerged objects and fish. Traditional Garmin HD-ID sonar and DownVü scanning sonar are combined into 1 transducer; also provides HD-ID support for Minn Kota and MotorGuide trolling motors with integrated transducers. echoMAP 74dv also includes sonar-recording capability that coordinates the timing of the sonar return with your boat's position and saves digital information for playback on a computer using free HomePort™ planning software. Use the user data sharing cable to share waypoints and routes between multiple devices.

Preloaded BlueChart g2 Maps

echoMAP 74dv comes preloaded with BlueChart g2 maps covering the coastal U.S. and Bahamas (east coast, west coast, Gulf of Mexico, U.S. side of the Great Lakes). It also includes all charts for the U.S. coastline and the Bahamas as well as everything available on NOAA charts. In addition to the basic charts, tidal stations, currents, depth contours, IALA symbols and included fishing charts, BlueChart g2 offers smooth transitioning between zoom levels and more seamless continuity across chart boundaries. You can customize your screens with Safety Shading which allows you to contour shade for all depth contours shallower than what you determine is your safe depth. Fishing charts emphasize bathymetric contours with less visual clutter on the display. And there’s also a choice of standard 2-D direct overhead or 3-D “over-the-bow” map views for easier chart reading and orientation.

Heading and Position Refreshed 5 Times per Second

Fast, responsive 5 Hz GPS refreshes your position and heading 5 times each second to make your movement on the screen more fluid. It makes dropping up to 5,000 accurate waypoints and finding your way back to your secret fishing hot spots quick and easy.

Take echoMAP with You

When you’re off the water, it’s easy to keep your echoMAP safe and secure. You don’t have to mess with plugging and unplugging wires from the unit because the cables plug directly into the mount. This allows you to quickly install and remove your echoMAP from power and the mount.

Upgrade with the Best Garmin Maps on the Water

A single microSD™ card slot provides expandable memory for accessory map purchases such as, LakeVü™ HD, LakeVü HD Ultra or BlueChart® g2 Vision®. LakeVü HD Ultra and BlueChart g2 Vision provide exclusive Garmin Auto Guidance that directs you right to your hot spots by instantly creating an on-screen path based on your boat’s specifications that you can follow to avoid shallow water and other charted obstructions.

Enhanced Auto Guidance

Just enter the location where you want to go and patented Garmin Auto Guidance technology instantly searches through relevant charts to create a safe virtual pathway on the display that helps you avoid low bridges, shallow water and other charted obstructions en route.

Better still, with enhanced Version 2.0, you now have access to even more features and capabilities. You’re able to adjust the calculated Auto Guidance pathway by inserting “via” points at interim stops or landmarks along your desired route. You can easily review hazard points along your calculated path. And you can even engage your compatible Garmin autopilot to follow the Auto Guidance route, automatically. Other 2.0 enhancements give you the ability to calculate arrival times at any point on your route (great for timing arrivals to correspond with bridge openings and other time-critical events). Better still, you can now save your plotted Auto Guidance paths for future navigation by backing them up on an SD™ card with your BlueChart g2 Vision or Lake Vü HD Ultra cartography².

GPX Waypoints Transfer

If you have waypoints, tracks or frequently used routes stored on another manufacturer’s GPS product – or on a Garmin handheld device –  now it’s easier than ever to transfer those items to your new Garmin chartplotter, via industry-standard GPX software formatting. GPX is an open standard format for GPS data exchange across platforms and applications. With this easy-to-use interface technology, Garmin has taken “no waypoint left behind” to a whole new level of trade-up convenience.

¹ Applies to versions with transducer included only. No transducer versions support 50/200 kHz, 77/200 kHz and Garmin DownVü transducers, sold separately. See transducer selection guide for complete list of compatible transducers.
² BlueChart g2 Vision or LakeVü HD Ultra SD card is required for this technology.


Physical & Performance

Physical dimensions 9.8"x5.5"x2" (25cmx13.9cmx5.1cm)
Display size, WxH

6.0"x3.6"; 7.0" diagonal

(15.2 x 9.1 cm; 17.8cm diagonal)

Display resolution, WxH 480 x 800 pixels
Display type WVGA display
Weight 1.7 lbs. (0.77kg)
Water rating


Antenna Internal only
NMEA 0183 compatible
Power consumption


Mounting options Bail or flush
Garmin Marine Network™ ports


Maps & Memory

Preloaded maps

BlueChart® g2 (coastal maps)

Accepts data cards

1 microSD™ card



Routes 100
Track log 50,000 points; 50 saved tracks

Chartplotter Features

Garmin Sonar compatible


Supports AIS (tracks target ships position)
Supports DSC (displays position data from DSC-capable VHF radio)
Tide tables
BlueChart® Mobile (planning) compatible


Garmin Helm compatible


Sonar Features & Specifications

Dual-frequency (50/200 kHz) sonar capable
Dual-beam (77/200 kHz) sonar capable
Transmit power 500 W (RMS) / 4,000 W (peak to peak)

Yes (built-in)



Maximum depth

2,300 ft @ 77 kHz, freshwater

1,100 ft @ 77 kHz, saltwater

(depth capacity is dependent on water bottom type and other water conditions)

Bottom lock (shows return from the bottom up)
Water temperature log and graph
Sonar recording
Sonar history rewind


NMEA 0183 input ports


NMEA 0183 output ports


Video input ports


Video output ports


Wireless connectivity


Model Comparison
echoMAP 42dv, 43dv, 44dv, 45dvechoMAP 52dv, 53dv, 54dv, 55dvechoMAP 73dvechoMAP 72sv, 73sv, 74sv, 75svechoMAP 92sv, 93sv, 94sv, 95sv
Display Size (diagonal) 4.3” 5.0” 7.0” 7.0” 9.0”
Display Resolution 480 x 272 WQVGA 480 x 480 square 480 x 800 WVGA 480 x 800 WVGA 480 x 800 WVGA
Preloaded Maps42dv: Worldwide basemap
43dv: U.S. LakeVü HD
44dv: U.S. BlueChart® g2
45dv: Canada LakeVü HD
52dv: Worldwide basemap
53dv: U.S. LakeVü HD
54dv: U.S. BlueChart g2
55dv: Canada LakeVü HD
73dv: U.S. LakeVü HD72sv: Worldwide basemap
73sv: U.S. LakeVü HD
74sv: U.S. BlueChart g2
75sv: Canada LakeVü HD
92sv: Worldwide basemap
93sv: U.S. LakeVü HD
94sv: U.S. BlueChart g2
95sv: Canada LakeVü HD
Internal 5 Hz GPS Receiver
Dual Frequency (50/200 kHz) capable
Dual-Beam (77/200 kHz) capable
DownVü capable
SideVü capable
Transmit Power - 500 W (RMS) / 4,000 W (peak to peak)
Frequencies Supported (kHz)
*depends on echoMAP model
Traditional: 50/77/200
DownVü: 260 or 455*
Traditional: 50/77/200
DownVü: 260 or 455*
Traditional: 50/77/200
DownVü: 260 or 455*
Traditional: 50/77/200
DownVü: 260 or 455*
SideVü: 260 or 455*
Traditional: 50/77/200
DownVü: 260 or 455*
SideVü: 260 or 455*
Maximum Depth Capabilities - 2,300 ft. at 77 kHz, freshwater
Accepts MicroSD Card - For optional mapping and user data storage
NMEA 0183 compatible - 1 input port / 1 output port
AIS and DSC support - using NMEA 0183 only
User Data Sharing Cable Compatible
Sonar History Rewind
Sonar Recording
Bottom Lock
Water Temperature Log / Graph
Tide Tables
Mounting Options Bail / Flush Bail / Flush Bail / Flush Bail / Flush Bail / Flush

Item number: 010-01524-01
UPC: 753759142438
Package weight: 6 lb

Also available:

Compatible maps:

Adapters Chargers

Black Box Sounders


Cases and Covers



RAM Mounts

Marine Networking

Sensors and Boards

Transducers another

Transducers Garmin 4/12/18-pin   (Transducer Guide)

Transducers Garmin 8-pin/bare wires In-hull   (Transducer Guide)

Transducers Garmin 8-pin/bare wires Thru-hull   (Transducer Guide)

Transducers Garmin 8-pin/bare wires Transom   (Transducer Guide)


Compatible Maps and Software:

Inland Lakes

Inland Lakes
Comprehensive coverage of thousands of freshwater lakes throughout the continental U.S. and parts of Canada.

BlueChart g2 Vision

BlueChart g2 Vision
Highly detailed offshore marine maps, plus satellite imagery, enhanced 3-D maps, Auto Guidance technology, aerial photographs and coastal roads with points of interest.

Inland Lakes Vision micro SD card with adapter.

Inland Lakes Vision micro SD card with adapter.
Comprehensive coverage of thousands of freshwater lakes throughout the U.S. plus satellite imagery, enhanced 3-D maps, and Auto Guidance technology. Maps are conveniently recorded on a micro SD card for the easy computer-free installation. Compatible with the GPSMAP 4000 -7000 and 400 - 700 series chartplotters.

BlueChart g2 on micro SD card with adapter

BlueChart g2 on micro SD card with adapter
Detailed offshore BlueChart g2 marine maps to help you navigate — plus enhanced 3-D maps and rich detail and content. Maps are conveniently recorded on a micro SD card for the easy computer-free installation. Compatible with the most chartplotters and handhelds with an SD card slot.

Garmin Extras

Garmin Extras
Additional maps and software

LakeVu HD Ultra

LakeVu HD Ultra
Get everything available with LakeVü HD maps plus Auto Guidance, Depth Range Shading, Dynamic Lake Level adjustments, satellite imagery and 3-D perspectives above and below the waterline

LakeVu HD

LakeVu HD
Displays points of interests, including docks, designated fishing areas, campgrounds, boat ramps, marinas and bridges. Shows interstates, highways and general roads. Shows underwater features, such as riverbeds, bridges, roads, fish attractors and potential hazards. Offers Safety Shading, which lets you input and shade a minimum depth to help you avoid running aground. Many lakes with many with 1' contours throughout

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