NHTSA safety recalls, owner-reported complaints and investigations, by model and model year · 1955–2027
Data refreshed
Our database holds 115 NHTSA owner-reported complaints filed against Mack vehicles. Our database also holds 424 safety recall campaigns and 14 NHTSA investigations covering at least one Mack model year.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Ordered by total owner-reported complaint volume, which is not a ranking of quality
| Model | Model years | Complaints | Recalls |
|---|---|---|---|
| Mack | 1955–2001 | 28 | 17 |
| Anthem (an) | 2018–2026 | 11 | 23 |
| Granite (gr) | 2015–2027 | 9 | 26 |
| CXU612 | 2010–2011 | 7 | 0 |
| Ch | 1987–2007 | 6 | 35 |
| Gu | 2007–2018 | 6 | 14 |
| CH600 | 1989–2001 | 5 | 1 |
| Cxu | 2006–2016 | 5 | 14 |
| Rd | 1968–2004 | 5 | 42 |
| Cl | 1987–2008 | 4 | 24 |
| Cv | 1998–2008 | 4 | 24 |
| Granite (gu) | 2009–2023 | 3 | 29 |
| CH613 | 1997–1998 | 2 | 0 |
| CX613 | 2001–2003 | 2 | 1 |
| Md | 2020–2026 | 2 | 9 |
| Pinnacle (cxu) | 2011–2022 | 2 | 41 |
| CH612 | 1996 | 1 | 0 |
| Chn | 2002–2008 | 1 | 22 |
| CX | 1998–2007 | 1 | 25 |
| Dm | 1965–2006 | 1 | 39 |
| Le | 1995–2007 | 1 | 11 |
| Lr | 2010–2025 | 1 | 15 |
| Mr | 1977–2007 | 1 | 27 |
| Mru | 2008–2018 | 1 | 18 |
| Pinnacle (chu) | 2011–2022 | 1 | 20 |
| R Series | 1968–1989 | 1 | 18 |
| Rd Series | 1977–1989 | 1 | 15 |
| RD600 | 1981–2002 | 1 | 2 |
| RS600 | 1977–1987 | 1 | 2 |
| Vision | 2000 | 1 | 0 |
| All W Models | 1974–1977 | 0 | 1 |
| All W/FAW617 Front Axle | 1985–1990 | 0 | 0 |
| Anthem | 2016 | 0 | 0 |
| Anthem An (4) | 2026–2027 | 0 | 5 |
| B | 1965–1967 | 0 | 1 |
| C | 1964–1971 | 0 | 2 |
| Cf | 1964–1992 | 0 | 22 |
| Ch Series | 1989 | 0 | 1 |
| Chr | 1987–1992 | 0 | 1 |
| Chu | 2007–2016 | 0 | 17 |
| CL713 | 2000 | 0 | 1 |
| CL733 | 2000 | 0 | 1 |
| Class 8 | 1987–1988 | 0 | 1 |
| CM400 | 1987–1988 | 0 | 1 |
| Conquest | 1996–1998 | 0 | 1 |
| Cs 200 | 1985–1986 | 0 | 1 |
| Cs 200P | 1985–1987 | 0 | 2 |
| Cs 250 | 1985–1986 | 0 | 1 |
| Cs 250P | 1985–1987 | 0 | 2 |
| Cs 300 | 1985–1986 | 0 | 1 |
| Cs 300P | 1988 | 0 | 1 |
| Cs 300T | 1988 | 0 | 1 |
| Ct | 2005–2008 | 0 | 8 |
| Ctp | 2006–2008 | 0 | 7 |
| CV500 | 2002–2003 | 0 | 1 |
| CV713 | 2006–2007 | 0 | 1 |
| Cxn | 2002–2008 | 0 | 24 |
| Cxp | 2006–2008 | 0 | 6 |
| CXU613 | 2010 | 0 | 0 |
| CXU613E | 2010 | 0 | 0 |
| CXU614 | 2010 | 0 | 0 |
| Dm Series | 1980–1989 | 0 | 10 |
| DM400 | 1971–1976 | 0 | 2 |
| DM6 | 1999–2003 | 0 | 3 |
| DM600 | 1971–2002 | 0 | 3 |
| DM6116S | 1972 | 0 | 1 |
| DM6856S | 1972 | 0 | 1 |
| DM6858S | 1972 | 0 | 1 |
| DM800 | 1968–1969 | 0 | 2 |
| DM886 | 1974 | 0 | 1 |
| Dmm | 1972–2003 | 0 | 14 |
| Dmm Series | 1980–1988 | 0 | 6 |
| F | 1965–1979 | 0 | 23 |
| F Series | 1968–1982 | 0 | 3 |
| F795 | 1969–1972 | 0 | 2 |
| F795ST | 1974 | 0 | 1 |
| F797 | 1969–1972 | 0 | 2 |
| Fap | 1968–1976 | 0 | 1 |
| Fc | 1968–1976 | 0 | 1 |
| Fca | 1968–1976 | 0 | 1 |
| Fcs | 1968–1976 | 0 | 1 |
| Fdm | 1987–1997 | 0 | 4 |
| FDM7133R | 1996–1998 | 0 | 1 |
| Fire Truck | 1982–1987 | 0 | 1 |
| Fl | 1966–1977 | 0 | 11 |
| FL795 | 1970–1974 | 0 | 1 |
| FL797 | 1970–1974 | 0 | 1 |
| Fm | 1979 | 0 | 1 |
| Fm Series | 1978–1982 | 0 | 1 |
| Fs | 1966–1977 | 0 | 12 |
| FS795 | 1970–1974 | 0 | 1 |
| FS797 | 1970–1974 | 0 | 1 |
| Fws | 1978–1979 | 0 | 1 |
| Granite Gr (4) | 2026 | 0 | 2 |
| Hmm | 1972–1977 | 0 | 6 |
| HMM6856S | 1973–1977 | 0 | 1 |
| Leu | 2008–2016 | 0 | 18 |
| Ll | 1968–1969 | 0 | 1 |
| Lr Electric | 2021–2023 | 0 | 2 |
| LR6 | 2015–2016 | 0 | 1 |
| Lrbe (electric) | 2019–2025 | 0 | 5 |
| Mb | 1965–1979 | 0 | 16 |
| Mb Series | 1968–1982 | 0 | 2 |
| MB400 | 1969–1971 | 0 | 1 |
| MB600 | 1969–1971 | 0 | 2 |
| Mc | 1977–1992 | 0 | 5 |
| Mc Series | 1978–1984 | 0 | 6 |
| MC600 | 1979–1981 | 0 | 1 |
| MC606 | 1982–1984 | 0 | 1 |
| Md (electric) | 2024–2026 | 0 | 4 |
| Mh | 1982–1993 | 0 | 19 |
| Mhr | 1987–1992 | 0 | 1 |
| Mid-Liner | 1983–1990 | 0 | 1 |
| Mr Series | 1978–1987 | 0 | 5 |
| MR600 | 1979–2002 | 0 | 3 |
| MR600P | 1984–1985 | 0 | 1 |
| MS200 | 1982–1999 | 0 | 4 |
| MS200P | 1979–1987 | 0 | 4 |
| MS250 | 1985–1990 | 0 | 3 |
| MS250P | 1982–1988 | 0 | 4 |
| MS300 | 1988–1990 | 0 | 2 |
| MS300P | 1979–1988 | 0 | 6 |
| MS300T | 1979–1988 | 0 | 7 |
| Pinnacle (pi/Pn) | 2018–2027 | 0 | 14 |
| Pioneer Pr (4) | 2025–2027 | 0 | 13 |
| R | 1965–1992 | 0 | 37 |
| R600 | 1971–1981 | 0 | 2 |
| R685ST | 1974 | 0 | 1 |
| R685T | 1974 | 0 | 1 |
| R700 | 1981 | 0 | 1 |
| R773ST | 1972 | 0 | 1 |
| R795 | 1973–1974 | 0 | 1 |
| R797 | 1973–1974 | 0 | 1 |
| Rb | 1987–2005 | 0 | 14 |
| RB6 | 1999 | 0 | 2 |
| RB600S | 1988–1989 | 0 | 1 |
| RD400 | 1981 | 0 | 1 |
| RD6 | 1999–2003 | 0 | 3 |
| RD795 | 1973–1974 | 0 | 1 |
| RD797 | 1973–1974 | 0 | 1 |
| RD8 | 2003 | 0 | 1 |
| RD866 | 1990–1991 | 0 | 0 |
| RD888 | 1990–1991 | 0 | 0 |
| RL | 1966–1979 | 0 | 28 |
| RL Series | 1984–1986 | 0 | 1 |
| RL600 | 1977–1987 | 0 | 2 |
| RL685 | 1972–1973 | 0 | 1 |
| RL767 | 1972–1973 | 0 | 1 |
| RL773 | 1972–1973 | 0 | 1 |
| RL785 | 1972–1973 | 0 | 1 |
| RL795 | 1970–1974 | 0 | 2 |
| RL797 | 1970–1974 | 0 | 2 |
| Rm | 1972–1993 | 0 | 15 |
| Rm Series | 1983–1988 | 0 | 6 |
| RM400 | 1977–1981 | 0 | 1 |
| RM600 | 1977–1981 | 0 | 1 |
| RS | 1966–1979 | 0 | 27 |
| RS Series | 1984–1987 | 0 | 2 |
| RS685 | 1972–1973 | 0 | 1 |
| RS711 | 1972–1973 | 0 | 1 |
| RS737 | 1972–1973 | 0 | 1 |
| RS747 | 1972–1973 | 0 | 1 |
| RS767 | 1972–1973 | 0 | 1 |
| RS785 | 1972–1973 | 0 | 1 |
| RS795 | 1970–1974 | 0 | 2 |
| RS797 | 1970–1974 | 0 | 2 |
| Rw | 1987–1992 | 0 | 3 |
| Rw Series | 1986–1989 | 0 | 6 |
| Rwi | 1984–1985 | 0 | 1 |
| Rwl | 1975–1981 | 0 | 10 |
| Rws | 1975–1981 | 0 | 9 |
| Td | 2007–2016 | 0 | 3 |
| Te | 2019–2025 | 0 | 6 |
| Terrapro (leu) | 2012–2016 | 0 | 1 |
| Terrapro (leu/Mru) | 2010–2018 | 0 | 2 |
| Terrapro (mru) | 2011–2019 | 0 | 3 |
| Terrapro (te) | 2019–2027 | 0 | 10 |
| Titan | 2013–2015 | 0 | 2 |
| Titan (td) | 2012–2017 | 0 | 3 |
| U | 1967–1992 | 0 | 22 |
| U Series | 1976–1989 | 0 | 10 |
| Wl | 1972–1981 | 0 | 22 |
| Ws | 1972–1984 | 0 | 23 |
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers. Complaint totals count a report once for each model year it names; recall totals count a campaign once per model.
The 8 newest campaigns covering a Mack vehicle in our database
Recalls apply to specific vehicles, not to every vehicle of a model year. Check your VIN with NHTSA or your manufacturer's dealer to confirm whether a recall affects your vehicle.
Check a VIN on NHTSA.govEXTERIOR LIGHTINGMack Trucks, Inc. (Mack) is recalling certain 2027 Anthem AN (4) and Pioneer PR (4) vehicles. The center roof marker lights may fail to illuminate. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
STEERING:CRITICAL FASTENERS; STEERING:GEAR BOX:MOUNTING BRACKETMack Trucks, Inc. (Mack) is recalling certain 2025 TerraPro trucks. The steering gearbox fasteners may loosen.
WHEELS:LUGS/NUTS/BOLTS/STUDSMack Trucks, Inc. (Mack) is recalling certain 2026 Anthem (AN), 2026-2027 Pioneer PR (4), Pinnacle (PI/PN), Granite (GR), and 2027 Anthem AN (4) vehicles. The wheel lug nuts may loosen and allow the wheel to detach.
SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULEMack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2026-2027 Anthem (4) vehicles. The rear brake modulators may have unprotected electrical connectors that can short circuit and lead to a loss of the anti-lock brake system (ABS) and electronic stability control (ESC).
EXTERIOR LIGHTING:TURN SIGNALMack Trucks, Inc. (Mack) is recalling certain 2025-2027 Pioneer (4) and 2027 Anthem (4) trailers. The trailer turn signals may not function properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWAREMack Trucks, Inc. (Mack) is recalling certain 2022-2027 TerraPro trucks. The engine control unit (ECU) software may allow the engine to start when the transmission is not in Neutral. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 102, "Transmission Shift Lever Sequence, Starter Interlock, and Transmission Braking Effect."
SERVICE BRAKES, AIR:DISC:CHAMBERMack Trucks, Inc. (Mack) is recalling certain 2010-2016 Granite (GU) trucks. Vehicles remedied under Recall 15V804 (SC0398) may have had incorrect parts installed during subsequent repairs. The incorrect parts may cause a brake imbalance between the steer and drive axle brakes and the rear brakes to overheat.
EQUIPMENT:MECHANICALMack Trucks, Inc. (Mack) is recalling certain 2025-2026 Pioneer vehicles. The load lock clamps, located on the back of the cab, may loosen and cause the load lock bars to become unsecured.
Every year with at least one publishable Mack model year
Data on this page last refreshed .