• ITVI.USA
    14,959.950
    116.940
    0.8%
  • OTLT.USA
    2.933
    0.012
    0.4%
  • OTRI.USA
    19.350
    0.220
    1.2%
  • OTVI.USA
    14,926.910
    120.050
    0.8%
  • TSTOPVRPM.ATLPHL
    2.910
    -0.050
    -1.7%
  • TSTOPVRPM.CHIATL
    3.790
    0.080
    2.2%
  • TSTOPVRPM.DALLAX
    1.460
    0.170
    13.2%
  • TSTOPVRPM.LAXDAL
    3.740
    0.020
    0.5%
  • TSTOPVRPM.PHLCHI
    2.270
    0.030
    1.3%
  • TSTOPVRPM.LAXSEA
    4.150
    -0.010
    -0.2%
  • WAIT.USA
    131.000
    -2.000
    -1.5%
  • ITVI.USA
    14,959.950
    116.940
    0.8%
  • OTLT.USA
    2.933
    0.012
    0.4%
  • OTRI.USA
    19.350
    0.220
    1.2%
  • OTVI.USA
    14,926.910
    120.050
    0.8%
  • TSTOPVRPM.ATLPHL
    2.910
    -0.050
    -1.7%
  • TSTOPVRPM.CHIATL
    3.790
    0.080
    2.2%
  • TSTOPVRPM.DALLAX
    1.460
    0.170
    13.2%
  • TSTOPVRPM.LAXDAL
    3.740
    0.020
    0.5%
  • TSTOPVRPM.PHLCHI
    2.270
    0.030
    1.3%
  • TSTOPVRPM.LAXSEA
    4.150
    -0.010
    -0.2%
  • WAIT.USA
    131.000
    -2.000
    -1.5%
EquipmentNewsTop StoriesTrucking

Cummins recalls X12 diesel engines because of fire risk

25 makers of severe service and off-highway vehicles affected

Cummins Inc. is recalling nearly 11,000 X12 diesel engines sold to 25 makers of off-road and specialty equipment because a high-pressure fuel leak from a cracked fuel tube led to a vehicle fire and dozens of warranty claims.

The affected engines built between April 2016 and October of this year, are equipped with high- pressure common rail fuel systems that were installed in mixers, coaches, emergency and recreational vehicles, refuse trucks, and cranes. 

The recall covers the entire population of engines equipped with a certain injector fuel supply tube that can crack, resulting in a high-pressure fuel leak. Specifically, the fuel tubes between the fuel rail and the injector for cylinders four, five and six may be susceptible to cracking due to metal fatigue failure resulting from a combination of vibration strain, assembly strain and material weakness.

Cummins (NYSE: CMI) said only 1% of the 10,938 engines recalled are expected to have the defect. They were sold to 25 vehicle manufacturers including Daimler Trucks North America, Autocar and Oshkosh Defense.

Columbus, Indiana-based Cummins told the National Highway Traffic Safety Administration that it was aware of a September fire in an X12 engine but no injuries. The company received 29 warranty claims as it investigated from April to November.

Engines having 75 miles or less have vibration isolators added to the fuel tubes. Older engines will get new fuel tubes for cylinders four, five and six in the rear half of the engine. Vibration isolators will be added to the fuel tubes. Repairs will be done free of charge by Cummins. OEM customers were told of the defect last Friday. The recall schedule is being developed.

The NHTSA recall number is 21E-099.

Cummins playing supply chain whack-a-mole for everything but semiconductors

Cummins manages higher segment sales despite supply chain pain

Cummins expands natural gas offerings with 15-liter engine

Click for more FreightWaves articles by Alan Adler.

Alan Adler

Alan Adler is a Detroit-based award-winning journalist who worked for The Associated Press, the Detroit Free Press and most recently as Detroit Bureau Chief for Trucks.com. He also spent two decades in domestic and international media relations and executive communications with General Motors.

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