Ask the HeavyEquipmentFix assistant
Paste a fault code, a serial number, or describe a symptom. Every answer is grounded, cited, and flags anything safety-critical.
Grounded AI
How every answer is built
Step 1
Search the database
Looks up your code across 650,000+ SAE J1939/FMI and OEM records.
Step 2
Search trusted sites
Then manufacturer manuals, bulletins, and trade sources on a whitelist.
Step 3
Cross-check and cite
Answers in plain English with citations and a verify note.
Verify safety-critical details against your manual.