HEAVY DUTY
Fits most CAT trucks, buses & other heavy duty vehicles
OVERMOLDED
Quality overmold ensures top flexibility & durability
SOLID CABLES
Rugged quality 1.5m cable with 22 AWG (0.5 mm2) thickness
DIRECT
Enable direct access to Caterpillar CAN buses
1Y WARRANTY
We offer a 1-year warranty on all our products
About the Caterpillar adapter
The Caterpillar-DB9 adapter cable is suited for use in most Caterpillar heavy duty vehicles - incl. trucks, transit buses, excavators, construction machinery and more. The cable is compatible with our CANedge CAN loggers and CANsub CAN interfaces - letting you connect either directly to the CAN bus.
Simply locate the 9-pin deutsch connector in your CAT vehicle, typically found in the cabin (sometimes behind a panel).
Need to use this with a CANsub.4/CANmod.router? See our DB25-4xDB9 adapter cable.
For more on J1939, check out below guides:
- J1939 Explained - A Simple Intro
- J1939 Data Logger - Simple Vehicle Telematics
- Streaming DBC Converted J1939 Data in webCAN
- J1939 DBC File
Check out our tech specs, use cases or FAQ - or buy now!
Do you have any questions?
Contact us| GENERAL | |
|---|---|
| Adapter Cable Length | 150 cm |
| Adapter DB9 Pins | In accordance with CiA 303-1 |
| Compatibility | High Speed CAN Bus (ISO 11898-2) incl. e.g. CAN FD, SAE J1939, NMEA 2000 |
| Cable Thickness | 22 AWG (0.50 mm2) |
| Connectors | 9-pin D-sub (DB9) female to CAT 9-pin deutsch (female) |
| Temperature | Operating temperature: -20degC to +80degC |
| Weight | 220G |
DB9-CAT adapter pinout
| DB9 (female) | Function | CAT |
| 1 | N/C | |
| 2 | CAN-L | F |
| 3 | GND | B |
| 4 | N/C | |
| 5 | N/C | |
| 6 | N/C | |
| 7 | CAN-H | G |
| 8 | N/C | |
| 9 | VCC | A |
Below are two use cases examples where the Caterpillar-DB9 adapter is useful:
Heavy duty fleet telematics
Need to log J1939 data from a truck fleet?
In heavy duty vehicle fleets, the simplest way to record J1939 data with your CAN logger is to connect it directly to the CAN bus via a DB9-J1939 adapter. This way, you'll automatically start logging all broadcasted raw J1939 data from the vehicle - allowing you to e.g. set up telematics solutions in no time. The CANedge supports optional 'silent mode' to ensure that the device does not affect the CAN bus.
Wireless field diagnostics via CANsub
Need to give your field technicians easy access to the CAN bus of Caterpillar vehicles?
Pair the Caterpillar-DB9 (9-pin) adapter cable with a CANsub.2/CANsub.4 and a WiFi router on the machine. Field technicians with WiFi access can then open webCAN wirelessly in their browser (zero installation required) to stream and DBC decode J1939 data for in-field diagnostics. Combined with this dedicated Caterpillar adapter cable, you get a plug & play setup for accessing the CAN bus across your Caterpillar fleet without having to send anyone into the cab.
Caterpillar uses several proprietary diagnostic connectors across their vehicle range, but the 9-pin and 14-pin variants are among the most common. In practice, the 9-pin Caterpillar connector is the more common of the two and is found in many CAT trucks, excavators and construction machinery. We recommend visually inspecting the connector in your vehicle before ordering. If in doubt, feel free to take a picture and contact us. See also our Caterpillar-DB9 (14-pin) variant.