The 2008 Workhorse R20 has 1 NHTSA recall campaign affecting an estimated 39 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 1 complaint with NHTSA, most often about the service brakes, hydraulic. Last updated July 5, 2026.
Recall campaigns
ENGINE AND ENGINE COOLING10V3140002010-07-0639 affected
Defect
NAVISTAR IS RECALLING CERTAIN MODEL YEAR 2008 WORKHORSE R20 CHASSIS MANUFACTURED FROM FEBRUARY 5, 2007 THROUGH SEPTEMBER 24, 2008, EQUIPPED WITH CATERPILLAR C7 ENGINES. THE #5 AND #6 FUEL LINES MAY CRACK AT THE FASTENING POINT TO THE COMMON FUEL RAIL AND CAUSE A FUEL LEAK.
Consequence
A FUEL LEAK, IN THE PRESENCE OF AN IGNITION SOURCE, CAN RESULT IN A VEHICLE FIRE.
Remedy
CATERPILLER WILL NOTIFY OWNERS AND REPAIR THE VEHICLES FREE OF CHARGE. THE SAFETY RECALL BEGAN ON SEPTEMBER 9, 2010. OWNERS MAY CONTACT CATERPILLAR TOLL-FREE AT 1-800-447-4986 OR NAVISTAR AT 1-260-461-1890.
Complaints by component
SERVICE BRAKES, HYDRAULIC
1
Total complaints1
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal
information removed.
“Driving to workhorse service center (jim price chevy truck center, charlottesville va) for a different matter the dash warning lights started blinking for brakes, abs, atc and parking brake. Service center hooked up computer and determined that the meritor/wabco hydraulic compact unit (hcu) which…”
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL,
FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2008 Workhorse R20 as of
July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page
contains ads and affiliate links. Full methodology.