Quick answer
The PT-40 is a plug-in ELD with built-in GPS and its own LTE cellular connection. It logs hours of service automatically, reads engine data, and keeps reporting location when the driver's phone is off or gone. It fits heavy-duty 9-pin and 6-pin ports and light-duty OBD-II ports. At DocuDrive it costs $149 one time with free shipping, and service is $20 per truck per month.
What the PT-40 does
The PT-40 connects to the truck's engine computer through the diagnostic port. When the truck moves, it tells the DocuDrive driver app, and the app logs driving time automatically. Your driver handles duty status changes, certifies logs, and runs inspections from the app. The device handles the data an officer expects to see behind those entries.
Published capabilities:
- Automatic hours of service logging
- DVIR (driver vehicle inspection reports)
- IFTA mileage by jurisdiction
- Roadside Inspection Mode
- LTE CAT-M1/NB cellular with integrated GPS and Bluetooth Low Energy
- Reads RPM, odometer, engine hours, and fault codes
- Offline storage with automatic sync when coverage returns
- Backup battery
- Plug-and-play install, no wiring
Who it fits
The PT-40 works in two classes of vehicle:
- Heavy-duty trucks with a 9-pin or 6-pin round diagnostic port. Adapter cables are available for Volvo, Mack, and Peterbilt models that need one.
- Light-duty vehicles with a standard 16-pin OBD-II port: sprinter and cargo vans, box trucks, and pickups. That covers a lot of hotshot rigs and final-mile vans.
If you are not sure which port your truck has, OBD-II vs 9-pin ports shows how to identify it in about a minute. If you run a van or a lighter box truck, check whether you need an ELD in the first place on ELD under 10,000 lbs.
Why built-in GPS and cellular matter
Every ELD has to record location. The question is where the location comes from. A Bluetooth-only ELD borrows the driver's phone for GPS and for the internet connection. When the phone dies at a shipper, gets left in the sleeper, or goes home with the driver, location stops flowing to the office.
The PT-40 has its own GPS receiver and its own LTE connection, so the truck itself reports position. In practice that changes three things:
- Broker tracking holds up. DocuDrive is a connected ELD provider on Highway and Trucker Tools. When a broker is watching a load, the dot keeps moving even if the driver's phone does not cooperate. See Highway ELD for how the connection works.
- The office sees the truck. Dispatch can answer a customer's ETA call from the web portal without phoning the driver.
- IFTA miles come from the truck. State-line crossings are built from the device's own position data, which makes the quarterly report easier to trust.
More on this in ELD with GPS, and a side-by-side with the Bluetooth-only model in PT-30 vs PT-40.
Dead zones and power loss
Long stretches of rural interstate have no cell signal, and every driver knows a few shippers where the phone shows no bars. The PT-40 keeps recording in those places. It stores data on the device and syncs automatically once it reaches coverage again, so the log and the location history fill in without the driver doing anything.
The device also has a backup battery. None of this changes the driver's side of the job: review and certify each day's log in the app as usual, including the hours recorded while the truck was out of coverage.
What's in the box
You get the PT-40 device. Adapter cables for Volvo, Mack, and Peterbilt are available if your truck needs one, so tell us your make, model, and year when you order. The driver app is a free download for the phone or tablet your driver already carries.
The ELD rule also requires an information packet in the cab: an instruction sheet for transferring logs to an officer, an instruction sheet for malfunctions, and at least 8 days of blank paper log graph-grids (49 CFR 395.22(h)). The ELD cab card page covers what to keep onboard.
FMCSA registration and roadside transfer
DocuDrive is listed on FMCSA's ELD registry as DocuDrive Logbook, model DOC-5, ELD identifier DDL996. Its registered data-transfer method is telematic (web services and email). At a roadside inspection, your driver opens Inspection Mode in the app and taps Send to transfer logs to the officer. You can confirm the listing yourself on FMCSA-registered ELD.
Price and trial terms
- PT-40: $149 one time, free shipping, yours to keep.
- Service: $20 per truck per month, month-to-month, no contract. GPS tracking, HOS, DVIR, IFTA mileage reports, Inspection Mode, the web portal, the driver app, and U.S.-based support are included.
- Trial: 14 days free. The $149 is charged at checkout so the device ships, and the service trial runs alongside it. Billing at $20 per month starts on day 15.
- Cancel inside the trial: you pay no service fee and keep the device.
Ready to order? Go to /buy/. Running 5 or more trucks, call (720) 362-3783 or email sales@docudriveapp.com about volume pricing. Already own a PT-30 or PT-40? Bring it with you instead.
Sources
- 49 CFR 395.22, Motor carrier responsibilities (ELD information packet and backups)
- FMCSA list of registered ELDs
This guide is general information, not legal advice. Rules change; check the source before you rely on a figure.