Key facts
- Brand
- Garmin
- Model
- GT36UHD/GT56UHD
- Category
- Other
- Industry
- Automotive
- Documents
- 2
- Languages
- EN · ZH
- Last added
- 2026-10-24
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Garmin GT36UHD/GT56UHD Transducer Installation Instructions
This document provides installation instructions for the Garmin GT36UHD and GT56UHD transducers. It includes important safety information, a list of required tools, and specific mounting considerations to ensure optimal sonar performance and prevent damage to the vessel. The guide details the preparation of the transducer for long-term water exposure, including the use of anti-fouling paint.
Read onlineGarmin GT36UHD/GT56UHD specifications
| Dimensions (L x W x H) | 218.5 x 51.8 x 27.7 mm |
|---|---|
| Operating Temperature Range | 0° to 50°C (32° to 122°F) |
| Storage Temperature Range | -40° to 70°C (-40° to 158°F) |
| Cable Length | 7.6 m (25 ft.) |
| Pin Count | 12 |
| Waterproof Rating | IPX7 |
Source: Garmin GT36UHD/GT56UHD Transducer Installation Guide
All Garmin GT36UHD/GT56UHD documents by type
Mounting, wiring and first power-up. Read it before the hardware goes in.
Questions answered in these manuals
What tools are required for installing this transducer?
You need a Number 2 Phillips screwdriver, a drill with specific bits (4 mm, 3.2 mm, and 25 mm), masking tape, and marine sealant.
From: Garmin GT36UHD/GT56UHD Transducer Installation Instructions
How deep should the transducer extend below different types of hulls?
It must extend 3.5 mm (0.125 in.) below a fiberglass hull or 10 mm (0.375 in.) below an aluminum hull.
From: Garmin GT36UHD/GT56UHD Transducer Installation Instructions
Can the transducer be used with acetone?
No, do not use acetone or similar products on the transducer as they will damage the plastic housing.
What is the maximum depth for Garmin ClearVü at 1 MHz?
The maximum depth/distance for Garmin ClearVü at 1 MHz is 61 meters (200 feet).