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Rand McNally navigators: Wi-Fi releases and the retired Dock

Rand McNally’s current truck, RV and car navigators receive every release over Wi-Fi. The desktop program that once served older units, the Dock, is out of service, and the maker says the devices it served have reached end of life.

Checked against the maker’s own published notices, October 2026.

Illustration: the view from a truck cab on a mountain pass, with a wide generic navigator showing a truck route
Illustration: a mountain pass seen from a truck cab, with a wide navigator showing a truck route; the device is invented for this picture.
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Rand McNally is best known among professional drivers: its TND navigators are built for trucks, and its range also covers RVs and cars. Its current units take every release over Wi-Fi, and the program that once served older ones has been switched off.

What a truck map carries that a car map does not

A truck navigator routes against a vehicle profile: height, weight, length and the kind of cargo on board. Its map therefore carries attributes that a car map can leave out, such as bridge clearances, weight limits, roads closed to trucks and restrictions on hazardous loads.

Those attributes age like everything else on a map. A new low bridge, a re-rated bridge or a newly restricted road is absent from a release built before the change, which is why truck maps are revised as regularly as car maps.

What a truck map records

The attributes a truck route is checked against, beyond the ordinary road network.

Bridge and tunnel clearances

The height available under bridges and in tunnels, compared with the height in the vehicle profile.

Weight limits

Posted limits on bridges and roads, compared with the vehicle’s weight and axle details.

Roads closed to trucks

Roads where trucks are banned or restricted, and the truck-legal roads around them.

Hazardous materials

Tunnels and roads where certain hazardous cargo classes may not travel.

Current models: every release over Wi-Fi

Rand McNally lists its current navigators that work without the Dock: the OverDryve II and the TND 550, TND 750, T85 (the TND Tablet 85) and TND 1050. According to the maker, these models receive all of their releases over Wi-Fi.

On that route the navigator reaches the maker’s servers directly. No desktop program, cable or second device takes part.

Which units still get maps

Where each unit stands, from the maker’s own notice about the Dock.

OverDryve II

Named by the maker among the devices that receive all of their releases over Wi-Fi and do not use the Dock.

  • RouteWi-Fi
  • DockNot used

The TND models and the T85

The truck navigators on the maker’s list, all taking every release over Wi-Fi.

  • RouteWi-Fi
  • DockNot used

Units the Dock served

The maker states that the Dock is no longer in service and that the navigators it served have reached end of life. They keep working with their final map.

  • ReleasesNone
  • StatusEnd of life

The Dock, retired

For years, older navigators from this maker were kept current through the Rand McNally Dock, a desktop program. The company now states that the Dock is no longer in service and that the navigation devices it served have all reached end of life.

That is also the honest answer to offers that promise to revive a Dock-era navigator. The maker has stopped producing its releases, so no third party has a current one to sell.

The genuine address, and the imitations

A look-alike update site gives itself away in its address. One registrable domain belongs to this maker, randmcnally.com, and its notices about the Dock are published on a subdomain of it.

https://www.randmcnally.com/

  • Subdomain: chosen by the maker.
  • Registrable domain: the maker’s own.
  • Path: the page within the site.
  • https://randmcnally.com/map-updates/The maker’s own map-updates page.
  • https://randmcnally.kb-platform.example/tnd-updateHeld by a general platform; the maker’s name is just a prefix.
  • https://truck-gps-updates.example/rand-mcnally/The maker’s name only in the path of an unrelated site.

  • Guides to retired models

    Pages explaining how to update a Dock-era model, such as an older TND, hosted on general platforms and ending in a chat window or a number.

  • A copy of the Dock from elsewhere

    The retired program offered from an address outside randmcnally.com.

  • Paid revival

    A fee to “restore” releases on a navigator the maker has declared end of life.

  • The remote session

    A request to connect to the driver’s computer to “push” maps onto the unit.

The maker’s own page

Questions about these releases

Which navigators take releases over Wi-Fi?

The maker names the OverDryve II and the TND 550, TND 750, T85 and TND 1050, which receive all their releases over Wi-Fi.

Is the Dock still available?

No. The maker states that the Dock is no longer in service.

Can an end-of-life unit still be used?

It keeps navigating with its final map and truck restrictions; it simply receives nothing newer.

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