Ancel HD3400 Pro is 5-inch Android code reader cards developed based on Android 5.1 system, and are also upgraded versions of HD3400. They use 1GB RAM + 8GB storage, plus 8G TF card, support full system fault diagnosis of common commercial vehicles in the United States, and have functions such as code reading, code clearing, data stream reading, DPF reset, DPF forced regeneration, and maintenance light reset.

Extend DPF Life and Avoid Costly Repairs:

Enhance your truck's performance with focused DPF care; featuring DPF regeneration, reset, and DPR state control for engines like Cummins, Detroit, Caterpillar, and more; save $10,000 to $30,000 in potential repairs; improve fuel efficiency and extend engine life; maintain reliable operation and reduce maintenance costs over time

Full system diagnostic

This Ancel HD3400 pro is a full system diesel truck scanner diagnostic tool, which allows you to read codes, clear codes, retrieve vehicle information and graph live data stream for all available control modules

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Support Basic Diagnostic

1.Read and clear fault codes, turn-off malfunction indicator light (MIL)
2. read ECU information
3.Read dynamic live datastream, able to store and playback

Extend D.PF Life and Avoid Costly Repairs:

Enhance your truck's performance with focused DPF care; featuring D.PF regeneration, reset, and DPR state control for engines like Cummins, Detroit, Caterpillar, and more;improve fuel efficiency and extend engine life; maintain reliable operation and reduce maintenance costs over time

gine Trucks: This heavy-duty truck

Designed for Cummins Engine Vehicles:

Fits almost all Cummins engines (ISB, ISC, ISD, ISG, ISK, ISL, ISX, ISM, ISN, QSB, X12, X15, B6.7, L9, L9N, QSM11, and more) commonly found in trucks like Freightliner, Kenworth, International, Peterbilt, Mack, Volvo, Western Star, Autocar, Terex, and school buses like Thomas/Blue Bird, It's also compatible with Komatsu/Sany machinery, Agrifac vehicles, RVs, and more. Note: For RVs with non-Cummins engines, please confirm engine type to verify compatibility

Maximize Caterpillar Engine Performance:

Diesel scanner designed for Caterpillar engines (C7, C9, C11, C13, C15, C32, and more) in trucks like Caterpillar, Freightliner, Peterbilt, and Kenworth. Features include code reading/clearing, live data streaming, ECU retrieval, DPF regeneration, and more; unlock your engine's full potential with enhanced diagnostics and maintenance

Designed for Detroit Engine Trucks:

This heavy duty truck scan tool is compatible with a wide range of heavy duty commercial trucks – class 7 and class 8, medium duty trucks, light duty trucks and semi-trucks equipped with Detroit engines, including DD13, DD15, DD16, Series 50, Series 60, MBE 900, MBE 4000, OM501, OM502, DDDL 6, and DDDL 7
Designed for Paccar Engine Trucks: This heavy-duty truck

Designed for Paccar Engine Trucks:

This heavy-duty truck scanner diagnostic tool is specifically designed for Paccar engines, including Paccar PX-7, PX-9, MX-11, MX-13

Wide Compatibility:

This truck diagnostic scanner supports major communication protocols like J1587, J1939, J1708, and J27145. It works with a variety of truck models, including Autocar, Terex, Bluebird, Bobcat, Komatsu, Zoomlion, Western Star, and more. Notice: Before purchasing, confirm that your truck supports one of the listed protocols. Some brands like International, Kenworth, Peterbilt, Volvo, and Mack may use proprietary protocols, which could limit compatibility. Unsure? Provide your Vehicle Make/Model/Year, and we'll check for you

Quick and Accurate Scanning:

Save time and money with fast, comprehensive scans and precise diagnostics. Results are delivered in seconds, ensuring accurate issue identification. Note: Some fault codes, like permanent codes (PDTCs) or active faults, may not clear until the issue is resolved

How to Choose the Correct Testing Path?

If you already know your engine type (such as Cummins, Detroit, Caterpillar, or Paccar), select the dedicated engine menu for accurate diagnostics. If you're unsure of your engine type, use the Diesel OBD menu. For basic diagnostics on passenger vehicles, select the OBD-II menu

Hardware Parameter

CPU: Quad-Core ARM Cortex-A7
RAM: 1GB
Flash: 8GB
TF: 8GB
Display: 5 inches LCD, resolution ratio 800*480
WIFI: 802.11b/g/n 2.4GHz
USB interface: Type C interface
Diagnose interface: DB15 interface
Operating voltage: DC 10V~24V/3A
Operating temperature: -20℃~60℃

Package List:

5-inch Android host* 1
1.5M main test line (OBD II 16-pin &
DB15 female)*1
Diesel 6&9-pin two-in-one diesel connector *1
Caterpillar 9-pin connector *1
Instruction manual *1
Packaging box (with sleeve)*1