Skip to content Skip to navigation menu
GPSMAP 740s Chartplotter / Sounder with GMR 18HD Radome with No Transducer Clearance

GPSMAP 740s Chartplotter / Sounder with GMR 18HD Radome with No Transducer

Model # 11172087 | Mfg # 010-00883-00

This item is no longer available.

Here’s a steal of a deal. The GPSMAP® 740s Chartplotter/Sounder with GMR 18 HD Radome. GPSMAP® 740s comes standard with a 1kW-capable sonar transceiver. This powerful sonar can help you define fish targets and underwater structures as far down as 2,000 feet when used with a 1kW transducer. Depth transducer sold separately.

Featuring a brilliant 7-inch display, GPSMAP 740s puts all the information you need right at your fingertips. GPSMAP 740s is preloaded with U.S. coastal maps. In addition, GPSMAP 740s accepts radar input and offers full NMEA 2000 connectivity for greater convenience when adding extra sensors.

Explore the Seas

GPSMAP 740s contains preloaded map data for all U.S. coastal areas, including Alaska and Hawaii, plus Explorer Charts for the Bahamas. GPSMAP 740s also features an internal, high-sensitivity GPS receiver for superior satellite tracking and quicker acquisition times. And as an added benefit, GPSMAP 740s can receive graphical weather data for North America through the optional GXM™ 52 satellite receiver/antenna.

Take Control by Touch

Input is easy with GPSMAP 740s. Whether you’re changing course or simply reviewing information in front of you, the intuitive touchscreen interface makes for simple operation. The device also offers flexible brightness levels for daytime readability along with low-light dimming during night use. And with a widescreen display that’s rugged and waterproof, it’s made to perform in any situation.

Add Extras with BlueChart g2 Vision

With the optional BlueChart® g2 Vision SD™ card (sold separately), you can add a whole new dimension of exceptional features to your chartplotter.

  • MarinerEye view and FishEye view provide you a 3-dimensional perspective of map information, both above and below the waterline.
  • High-resolution satellite images and aerial photographs help you orient yourself in unfamiliar areas.
  • Auto Guidance technology searches through all relevant charts to create a route you can actually follow - one that avoids obstacles, shallow water, buoys and other obstructions.

Physical & Performance:

  • Unit dimensions, WxHxD: 8.8" x 5.6" x 3.1"
  • Display size, WxH: 6.0" x 3.6", 7.0" diagonal
  • Display resolution, WxH: 800 x 480 pixels
  • Display type: WVGA display
  • Weight: 2.48 lb (1.1 kg)
  • Waterproof Rating: IPX7
  • High-sensitivity receiver: yes
  • Antenna: internal
  • NMEA input/output: NMEA 0183 compatible and NMEA 2000 certified

Radar Specs:

  • Radome Dimensions: 18" diameter, 9.3" high
  • Weight:   15.8 lbs (7.2 kg)
  • Waterproof Rating: IPX7
  • Rotation speed (RPM): 24/30 rpm (dual rotation)
  • Transmit power: 4 kW
  • Power Input: 10.5-35 V DC
  • Beamwidth: 5.0° horizontal, 25° vertical
  • Maximum range: 36 nm
  • Minimum range: 20 meters
  • Radar type: Radome
  • Power consumption: 33.5 W typical
  • Antenna length     17"



Transducer Options:

This product operates best with these select transducers, sold separately. Depending on the style of the transducer, you'll get depth, speed and/or temperature readings. To complete your installation, order one of the following transducers:

Transducer TypeReading(s)MaterialPowerMax DepthModel
200/50kHz Transom Mount Transducer, 6-Pin (Primary)Depth/TemperaturePlastic500W1500'5400130
200/50kHz Transom Mount Transducer, 8-PinDepth/TemperaturePlastic500W1500'13178330
200/50kHz Transom Mount Transducer, 8-PinDepth/Temperature/SpeedPlastic600W800'-1200'13178363
P79 200/50kHz In-Hull Adjustable Transducer, 8-PinDepthPlastic600W800'-1200'13178512
P319 200/50kHz Thru-Hull Transducer, 8-PinDepth/TemperaturePlastic600W800'-1200'13178389
B60 200/50kHz Thru-Hull Transducer, 20 Degree Tilt, 8-PinDepth/TemperatureBronze600W800'-1200'13178397
6-Pin Female to 8-Pin Male Transducer Adapter    13178355

West Advisor

The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles.