HDS 300+ (F506 Pro)

The HDS 300+ (F506) code reader reads diagnostic trouble codes from OBD2, J1708, J1939, Isuzu, Hino, Fuso and UD vehicles.

The HDS 300+ code reader now supports DPF regeneration for Fuso, Isuzu, Hino & UD Trucks.

The HDS 300+ allows for live data to be displayed graphically. Data which can be displayed in this form includes engine speed, ECU temperature, acceleration pedal position, intercooler temperature, coolant temperature, voltages & more.

Passenger Cars


Pickup Trucks



Tow Trucks

Recreational Vehicles

Municipal Vehicles

Cement Trucks

Garbage Trucks

Dump Trucks

Refrigerated Trucks

Conventional Trucks

Construction & Agricultural Vehicles

Industrial Machinery/Equipment

Diesel Engines

Transmission, ABS, Cabin Chassis

SAE J1850PWM & J1850 VPW

ISO 14230-4, ISO 9141-2 & ISO 15765-4

SAE J1708, J1939 & OBD2

Class 4-Class 8 Truck Coverage
Featuring "Automatic Protocol Search"

CAT Support: CAT Truck/Bus

HD J1708 and J1939 CAN,
engine, transmission/ABS coverage, etc.

Read ECU Information

Read and Erase Fault Codes

Read Live Data

Read Freeze Frame

Graph Live Data

Screenshot Functionality

Technical Specifications
Display3.5 inch LCD
Resolution Ratio320 x 240
SD Card Interface2GB/4GB/8GB
Diagnostic InterfaceMain Cable
Operating Voltage11~28V
Operating Current<500mA
Storage Temperature-20°C~60°C
Dimensions224.5 x 106.5 x 43mm