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Garmin Fleet dezl 780

Product Code: GARFD780

Garmin Fleet dezl 780 truck sat nav is preloaded with UK and Full European maps and Garmin Live Traffic (when paired with a compatible smartphone and using Garmin's App). The maps are free to update for the lifetime of the product and the traffic information is subscription free. The dezl 780 features a large 7-inch screen and the speaker has been enhanced for louder, clearer voice instructions. The dezl 780 also features WiFi and Bluetooth technology for maps and software downloads and handsfree calling.

The Garmin Fleet dezl 780 allows you to enter the profile of your truck and then the satnav will only route you along suitable roads for your vehicle. Points of interest specific for truckers such as truck stops, weigh stations, parking, lodging, WiFi connection hotspots and more are included. Multi-stops can also be entered in to the Garmin Fleet dezl 780 plus you can enter roads and cities you would like to drive include along your journey.

The Garmin Fleet dezl 780 is also compatible with the Garmin BC 35 Wireless Reversing Cameraand Garmin BC50 reversing cameras. Once either of the Garmin BC reversing cameras are installed you will be able to view the view of the road behind your vehicle making it easier to park you truck, trailer or HGV.

Please note: The Garmin Fleet dezl 780 is a Fleet sat nav and requires FMi Cable for the Fleet dezl 780 to be plugged into a fleet network.



Garmin dezl 780LMT-D has been discontinued.

The replacement model is the Garmin dezl LGV710:

View latest truck sat navs.


We offer UK, Europe and Worldwide deliveries. We despatch orders at 5.30pm on Monday, Tuesday, Wednesday, Thursday and Friday. We need to receive your order on those days by 4.30pm. When possible we may despatch orders received after that time. No orders are despatched after 5.30pm and no orders are despatched on Saturday or Sunday.

We offer FREE UK delivery on all orders of £40.00 or more, plus next working day and guaranteed Saturday delivery options. Click here for further info. All options also appear at the basket pages.

The Garmin Fleet dezl 780 is a truck satellite navigation system with an impressive 7-inch colour touch screen.

Please note: The Garmin Fleet dezl 780 is a Fleet sat nav and requires FMi Cable for the Fleet dezl 780 to be plugged into a fleet network.

Lifetime UK and European mapping is provided for FREE for the lifetime of the product.

You can enter your vehicles size, load and weight of your truck and you will then be routed avoiding low bridge heights, sharp curves, steep gradients, weight limits and more. You can also save different vehicle profiles and then change truck profiles at the touch of a button enabling quick change-overs between different vehicles.

For delivery drivers using this Garmin truck sat nav there is a feature that allows dispatchers to easily text messages and addresses to their drivers and track driver routes from beginning to end of journey(s).

Points of interest appropriate for trucks are also provided in the Truck and Trailer Services Directory. Points of interest include food, fuel, rest areas, showers, ATMs, WiFi and more.

Search and filter truck stops by preferred amenities - showers, fuel stations, WiFi, truck wash, etc. Service History Log can also be saved to the device to keep track of tyre milage, tyre pressure, oil changes, tyre changes and more.

Connection to a iPhone or Android smartphone provides you with real-time information such as traffic, safety cameras, weather information and more.

The dezl 780 features Bluetooth and WiFi. Bluetooth is for hands-free calling whereby there is an integrated speaker and microphone. You can also see smart notifications for calls, texts, app alerts and more all of which appear on the sat navs display. The built-in WiFi connectivity makes it easy to download maps and software without the use of a computer.

You can also control the dezl 780 by voice commands making it easy to use.

Garmin Fleet dezl 780 Car Sat Nav FAQs

Do you have a question about the Garmin Fleet dezl 780 that's not been answered on this webpage? Please see our sat nav FAQs for questions from other customers and visitors. Plus if the answer to your question isn't featured, use the online form to ask us for the answer. Alternatively please telephone 01733 777623 Monday to Friday (9:30am-5:00pm) to speak to one of our sales team.

Garmin Fleet dezl 780 Features

‣7-inch colour TFT touchscreen display
‣FREE lifetime street-level here mapping for the UK, Ireland, Western and Eastern Europe
‣Live traffic information via smartphone using Garmin's App
‣Truck data including low bridges, narrow roads and weight restrictions - truck coverage may vary country to country*
‣Turn-by-turn guidance with voice prompts
‣WiFi for downloading maps and software without a computer
‣Bluetooth connectivity for hands free calls
‣Trucker Points of Interest: Petrol stations, truck stops, weigh stations, WiFi connections and more.
‣Voice-activated navigation
‣Lifetime traffic updates via DAB network
‣Lane Assist
‣PhotoReal Junction View
‣Multiple truck profiles
‣Multiple routes (up to 15)
‣Auto sort multiple destinations (up to 30)
‣Speed limit indicator
‣Rechargeable Li-ion battery
‣Optional speed camera locations via Cyclops database
‣2 year manufacturers guarantee

*Not available in all areas. Garmin advise that entering your truck's profile e.g. height, weight, length, etc does not guarantee your truck's characteristics will be accounted for in all route suggestions. Always defer to posted road signs and road conditions.


Garmin Fleet dezl 780 is powered via the supplied 12/24 volt vehicle power cable, the unit is then mounted on the windscreen via the supplied suction cup mount. Alternatively fix to the dashboard using the the supplied screw down mount for Fixed dashboard installation.

It is also possible to add a reversing camera to your vehicle with the Garmin Fleet dezl 780 screen acting as a monitor. This is an optional extra. Two different Garmin Back-Up Cameras (BC) are compatible with the Garmin Fleet dezl 780, these are the Garmin BC35 reversing camera and Garmin BC50 reversing cameras.

Charging the internal battery

We do not recommend using a third party charger with this product. A mobile phone USB charger or a laptop may not be powerful enough to reliably charge the Garmin Fleet dezl 780 and may provide an incorrect voltage or insufficient power. An official genuine Garmin AC charger is available for indoor use with this product you can view and buy here.

Please bear in mind that the product on this page is designed to be used in a vehicle with power provided by the included vehicle charger. The battery is for short term back up only - not for regular use. For optimum performance we recommend that you use this product connected to cigarette lighter adapter via the vehicle charger. Because of potential power surges which may damage the product you should not start your vehicle with the product connected.

Map Coverage

Garmin Fleet dezl 780 comes preloaded with detailed City Navigator street maps for Europe provided from map supplier 'here'. Rolling screen transition, accelerated map redraw and routing capabilities make screen zooming even smoother and ensure the navigation always matches your pace.

If you'd like to buy additonal maps for another region e.g. North America or Australia and New Zealand. These can be viewed and purchased via the Garmin Fleet dezl 780LMT map page.

What's in the box? (when purchased from

‣Garmin Fleet dezl 780
Preloaded City Navigator NT for Europe
‣Lifetime maps
‣Quick start manual

Please note: The Garmin Fleet dezl 780 is a Fleet sat nav and requires FMi Cable for the Fleet dezl 780 to be plugged into a fleet network.

Do you have a question about the Garmin Fleet dezl 780? Submit your question via our contact page.

Garmin Fleet dezl 780 Technical Specification

‣Technology: GPS
‣Display: 7-inch colour TFT with white backlight
‣Power: 12-24 volt, cigarette lighter
‣Battery: Rechargeable lithium-ion
‣Installation: Plug and play
‣Dimensions: Width - 199mm, Height - 122mm, Depth - 24mm
‣Weight: 437g
‣Guarantee: 2-year

Manual requires Adobe Acrobat Reader
Download a free copy here

This product is a sophisticated electronic device which requires that you read, understand, and act upon the information given in the instruction manual (usually available via the above 'manual' link). You will need internet access and, in accordance with the manufacturers’ recommendations, regularly seek out and accept all firmware or software updates offered by the manufacturer. All GPS devices need to ‘see’ the satellites in the sky. Therefore you will need to know that your vehicle does not have glass that will block or impede the GPS signal.

Updates to this product are via the internet. At this product page we state compatibility with specific versions of current internet connection devices, for example: PC, laptop, MAC, smartphone etc. The Consumer Contract Regulations allow you 14 days, from receipt of purchase, to check compatibility with your internet connection device/s. If you choose to replace or update your PC, MAC etc. neither we nor the manufacturer will be responsible if the new/replacement Operating System (OS) is not compatible with the purchased product.

Why buy from us?

We are official Authorised Internet Retailers for Garmin. We sell genuine Garmin products, accessories and maps. We purchase from assigned Garmin UK distributors. We do not buy on the grey market and we do not sell counterfeit products. You can rest assured that by purchasing from ActiveGPS you will receive the full support of Garmin.

Page updated: 15th March 2024

Telephone Number:

01733 777623

Monday to Friday 9:30am to 5:00pm (UK Time)

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