2011 MO Trailers 39 VS, 2011 MO Trailers 41 VS Recall: Equipment
NHTSA campaign 12V144000 · Equipment · filed Apr 4, 2012 · verified Jul 30, 2026
The defect
MO TRAILERS CORPORATION (MO TRAILERS) IS RECALLING THREE MODEL YEAR 2011 39 VS AND 41 VS TRAILERS, EQUIPPED WITH ELECTRIC/HYDRAULIC (E/H) BRAKE ACTUATOR PUMPS. TWO ADDITIONAL AFFECTED ACTUATORS WERE SOLD AS RETAIL PARTS SALES. SOME OF THESE PUMPS MAY NOT HAVE BEEN PROPERLY HEAT TREATED. THIS CONDITION CAN CAUSE PREMATURE WEAR OF SOME CRITICAL COMPONENTS IN THESE PUMPS WHICH CAN RENDER THE UNIT INOPERABLE.
The risk
THE E/H BRAKE ACTUATOR PROVIDES BRAKING POWER TO THE TRAILER BRAKES. FAILURE OF THE ACTUATOR CAN RESULT IN THE LOSS OF BRAKING EFFORT BY THE TRAILER, INCREASING THE RISK OF A CRASH.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
MO TRAILER NOTIFIED THE OWNERS OF THE AFFECTED ACTUATORS ON MARCH 26, 2012. OWNERS MAY CONTACT MO TRAILER AT 1-574-533-0824.
OWNERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO <A HREF=HTTP://WWW.SAFERCAR.GOV>HTTP://WWW.SAFERCAR.GOV</A> .
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| MO Trailers | 39 VS | 2011 |
| MO Trailers | 41 VS | 2011 |
Source: NHTSA recall database, campaign 12V144000. Data last verified Jul 30, 2026.