The Garmin GT17M-THF is a high-power through-hull CHIRP transducer designed for flush mounting on fishing and cruising boats. With a 0° tilt element, a rugged stainless steel housing, and 1 kW of power, it delivers clear depth readings and sharp target separation in both freshwater and saltwater.
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Mounting Type: Through-hull, flush-mounted for minimal drag
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Tilt/Beam Orientation: 0° tilt element for precise beam orientation
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Transducer Frequency: Medium band CHIRP (80–165 kHz)
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Transducer Power: 1 kW
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Beamwidth: 9°–18°
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Maximum Depth: 1800 ft saltwater; 2400 ft freshwater
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RapidReturn Compatibility: Yes
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Transducer Cable Length: 50 ft
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Depth & Temperature Data: Depth and temperature
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Number of Pins: 8-pin
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Hull Deadrise Compatibility: 0° hull deadrise; supports angles from 0° to 7°
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Housing Material: Stainless steel
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Automatic Setup: Garmin Auto-ID technology for plug-and-play operation
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In the Box: GT17M-THF transducer; jam nut; spacer; 2 washers; 2 set screws; thread isolator; hull isolator; documentation
This transducer delivers fast, reliable depth and temperature data with clean target separation, enabling you to spot fish arches, submerged structure, and bottom contours clearly on your sonar display. The 1 kW power ensures strong returns even at offshore depths, while the flush-mount stainless steel housing reduces drag and preserves hull efficiency. Auto-ID simplifies setup, so you can spend more time fishing and less time wiring. Built to withstand both saltwater and freshwater environments, the GT17M-THF is a durable choice for serious anglers and long-range cruisers alike.
| TRANSDUCER FREQUENCY |
medium band CHIRP (80-165 kHz) |
| TRANSDUCER POWER |
1 kW |
| TRANSDUCER BEAMWIDTH |
9°-18° |
| TRANSDUCER MAXIMUM DEPTH |
1800 ft saltwater; 2400 ft freshwater |
| RAPIDRETURN™ SONAR COMPATIBLE |
Yes |
| TRANSDUCER CABLE LENGTH |
50 ft |
| TRANSDUCER DEPTH/SPEED/TEMPERATURE |
depth, temperature |
| TRANSDUCER NUMBER OF PINS |
8-pin |
| TRANSDUCER SUPPORTED DEADRISE/TRANSOM ANGLES |
0° supports hull deadrise angles from 0° to 7° |
| HOUSING MATERIAL |
stainless steel |