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7.5 Navigation

8-inch offroad GPS navigator with topographic maps and satellite imagery for trail navigation.

Garmin Tread 2 Overland

Type: Offroad GPS Navigator

Model: Tread 2 - Overland Edition

Part Number: 010-03021-00

Manufacturer: Garmin

Product Page: Garmin Tread 2 Overland

Mounting: Dash mount via included magnet-assist locking cradle (AMPS plate, 1.5" RAM B-ball)

Power Source: SwitchPros OUTPUT-8 (15A capacity) — 12V cig plug cut off, hardwired

Specifications

Spec Value
Display 8" ultrabright touchscreen (1280×800)
GNSS Multi-band: GPS, GLONASS, Galileo, BeiDou
Rating IP67 (dust/water)
Connectivity Bluetooth, Wi-Fi, USB-C
Battery Up to 20 hr internal
Maps North/South America topographic, OpenStreetMap, USFS MVUM
Dimensions 8.1"W × 6.7"H × 1.2"D
Weight 22.8 oz (646 g)

Features

  • Turn-by-turn trail navigation
  • Topographic maps with elevation data
  • Satellite imagery (downloadable via Wi-Fi)
  • US Forest Service Motor Vehicle Use Maps
  • Trail difficulty ratings
  • Glove-friendly touchscreen
  • Extreme temperature rated

Integration

Feature Connection Notes
Smartphone Bluetooth Live weather, Tread app
Headsets Bluetooth Audio navigation prompts
inReach Bluetooth Pair with existing external inReach (uses existing subscription)
Group Ride Radio Garmin accessory Vehicle-to-vehicle tracking
PowerSwitch Garmin accessory Digital switch control (not used - have SwitchPros)

The Tread 2 Overland has built-in inReach hardware but it is not activated — satellite messaging and SOS route through the paired external inReach device on its existing subscription, avoiding a second Garmin satellite plan.

Wiring

Connection Wire Source Notes
Power (+) 18 AWG SwitchPros OUT-8 ~2A load; cig-plug cut from OEM cable
Ground (−) 18 AWG Chassis Local ground near mount

Outstanding Items

None - all specifications determined.