Garmin dēzl™ OTR620, 6 inch
Garmin Truck GPS

Garmin dēzl OTR620

A compact 6-inch truck GPS with custom truck routing, high-resolution satellite arrival imagery and Garmin’s connected trucking features.

Custom truck routing Satellite arrival imagery PrePass support CAT Scale
Live services connection Smartphone app
Smartphone app required Yes

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Verified specs Last checked 2026-10-14

Best for

Drivers who want Garmin’s current truck-navigation features in a more compact 6-inch device.

Main limitation

The smaller display offers less map area than the 7- and 10-inch models, and live connected features require the dēzl app on a compatible smartphone.

Key specifications

BrandGarmin
Device typeDedicated GPS
Built-in dash camNo
Release year2024
Screen size6 in
Screen resolution1280 x 720
Dimensions6.0 × 3.35 × 0.7 in
Weight6.2 oz
Battery life1 hour
Wi-FiYes
BluetoothYes

Truck navigation

Truck-specific routingYes
Truck height inputYes
Truck weight inputYes
Truck length inputYes
Truck width inputYes
Hazmat supportYes
Bridge height warningsYes
Weight limit warningsYes
Steep grade warningsYes
Weigh station alertsYes

Connected & trucker features

PrePass supportYes
CAT ScaleYes
Truck parkingYes
Satellite arrival imageryYes
Community loading docksYes
Live trafficYes
Live weatherYes
Map updates includedYes
Live fuel pricesYes

Verification & sources

Status: Verified Last verified: 2026-10-14