22E026 – Fuel Tubes May Crack and Leak Fuel – Watson Hopper X12 Power Modules

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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 22E-026
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Watson Hopper
Submission Date : APR 13, 2022
NHTSA Recall No. : 22E-026
Manufacturer Recall No. : NR
Manufacturer Information :
Manufacturer Name : Watson Hopper
Address : 19440 HWY 92
DELTA CO 81416
Company phone : 874-7410
Population :
Number of potentially involved : 11
Estimated percentage with defect : 1 %
Equipment Information :
Brand / Trade 1 : Watson Hopper, INC.
Model : X12 Power Module
Part No. : X12 Power Module
Size : NR
Function : Repower unit
Descriptive Information : Watson Hopper has been informed that Cummins, Inc. The manufacturer of the
X12 diesel engines purchased by Watson Hopper has a safety recall. The recall
consists of the entire
population of engines equipped with a certain Injector Fuel Supply Tube (fuel
tube) prior to the implementation of corrective action by Cummins Inc.
Production Dates : NOV 15, 2019 – DEC 31, 2021
Description of Defect :
Description of the Defect : The fuel tubes between the fuel rail and the injector for cylinders 4, 5 and 6
may be susceptible to cracking, resulting in a high pressure fuel leak.
FMVSS 1 : NR
FMVSS 2 : NR
Description of the Safety Risk : A high pressure fuel leak in the presence of an ignition source may increase
the risk of a fire.
Description of the Cause : NR
Identification of Any Warning
that can Occur :
Fuel leaks may be detected during maintenance. An operator may smell fuel or
observe a mist due to the fuel leak.
Involved Components :
Part 573 Safety Recall Report 22E-026 Page 2
The information contained in this report was submitted pursuant to 49 CFR §573
Component Name : Injector Fuel Supply Tube
Component Description : Fuel tube between fuel rail and fuel injector
Component Part Number : 5536516
Component Name : Injector Fuel Supply Tube
Component Description : Fuel tube between fuel rail and fuel injector
Component Part Number : 5486389
Component Name : Injector Fuel Supply Tube
Component Description : Fuel tube between fuel rail and fuel injector
Component Part Number : 3695190
Supplier Identification :
Component Manufacturer
Name : Usui International Corporation
Address : 44780 Helm Street
Plymouth Michigan 48170
Country : United States
Chronology :
January 10th 2022 Watson Hopper became aware of the fuel line defect after getting confirmation form
Cummins Inc, that they would be conducting a recall on the X12 engines.
March 21st 2022 Watson Hopper was informed by NHTSA that they would have to submit a defect report.
Watson Hopper has not had any reports of defects or incidents from our customers related to this issue.
March 25th 2022 Watson Hopper filed a safety recall with NHTSA after NHTSA informed Watson Hopper they
would need to do so.
Part 573 Safety Recall Report 22E-026 Page 3
The information contained in this report was submitted pursuant to 49 CFR §573
Description of Remedy :
Description of Remedy Program : Watson Hopper will not be able to provide the recall completion rates
quarterly reports. That information will need to be obtained from Michael
Forman with Cummins Inc.
How Remedy Component Differs
from Recalled Component :
The replacement fuel tubes will also have vibration isolators. The fuel tube
and vibration isolator combination will have a new part number.
Identify How/When Recall Condition
was Corrected in Production :
Cummins has changed the injector alignment to the cylinder head was
improved by implementing an improved alignment fixture during engine
assembly and vibration isolators were added to the fuel tubes during
engine assembly on November 2, 2021.
Recall Schedule :
Description of Recall Schedule : Watson Hopper does not have any dealers or distributors to notify only
it’s customers. Watson Hopper expects to notify their owners of the X12
Cummins engines no later then April 18th 2022 who are potentially
affected by this recall.
Planned Dealer Notification Date : NR – NR
Planned Owner Notification Date : APR 18, 2022 – MAY 24, 2022
Purchaser Information :
The following manufacturers purchased this defective/noncompliant equipment for possible use or
installation in new motor vehicles or new items of motor vehicle equipment:
Name : NR
Address : NR
NR
Country : NR
Company Phone : NR
* NR – Not Reported

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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 22E-026
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Watson Hopper
Submission Date : MAR 25, 2022
NHTSA Recall No. : 22E-026
Manufacturer Recall No. : NR
Manufacturer Information :
Manufacturer Name : Watson Hopper
Address : 19440 HWY 92
DELTA CO 81416
Company phone : 874-7410
Population :
Number of potentially involved : 11
Estimated percentage with defect : 1 %
Equipment Information :
Brand / Trade 1 : Watson Hopper, INC.
Model : X12 Power Module
Part No. : X12 Power Module
Size : NR
Function : Repower unit
Descriptive Information : Watson Hopper has been informed that Cummins, Inc. The manufacturer of the
X12 diesel engines purchased by Watson Hopper has a safety recall. The recall
consists of the entire
population of engines equipped with a certain Injector Fuel Supply Tube (fuel
tube) prior to the implementation of corrective action by Cummins Inc.
Production Dates : NOV 15, 2019 – DEC 31, 2021
Description of Defect :
Description of the Defect : The fuel tubes between the fuel rail and the injector for cylinders 4, 5 and 6
may be susceptible to cracking, resulting in a high pressure fuel leak.
FMVSS 1 : NR
FMVSS 2 : NR
Description of the Safety Risk : A high pressure fuel leak in the presence of an ignition source may increase
the risk of a fire.
Description of the Cause : NR
Identification of Any Warning
that can Occur :
Fuel leaks may be detected during maintenance. An operator may smell fuel or
observe a mist due to the fuel leak.
Involved Components :
Part 573 Safety Recall Report 22E-026 Page 2
The information contained in this report was submitted pursuant to 49 CFR §573
Component Name : Injector Fuel Supply Tube
Component Description : Fuel tube between fuel rail and fuel injector
Component Part Number : 5536516
Component Name : Injector Fuel Supply Tube
Component Description : Fuel tube between fuel rail and fuel injector
Component Part Number : 5486389
Component Name : Injector Fuel Supply Tube
Component Description : Fuel tube between fuel rail and fuel injector
Component Part Number : 3695190
Supplier Identification :
Component Manufacturer
Name : Usui International Corporation
Address : 44780 Helm Street
Plymouth Michigan 48170
Country : United States
Chronology :
Watson Hopper has been informed of a possible high pressure fuel leak on the X12 Cummins engine. Based
upon Cummins results of the their investigation.
Part 573 Safety Recall Report 22E-026 Page 3
The information contained in this report was submitted pursuant to 49 CFR §573
Description of Remedy :
Description of Remedy Program : Per the Cummins recall C2532: The subject fuel tubes for cylinders 4, 5 and
6 (the rear half of the engine) will be replaced with new fuel tubes (having
the same part number as the recalled components) and vibration isolators
will be added to the fuel tubes. Watson Hopper will working with our four
customers who own the X12 power modules to ensure they receive
prompt support from Cummins. Watson Hopper wants to ensure a
properly trained Cummins representative completes the recall work
outlined in the Cummins safety recall. Cummins Inc. will be responsible for
any reimbursement to owners of the X12 Cummins engines.
How Remedy Component Differs
from Recalled Component :
The replacement fuel tubes will also have vibration isolators. The fuel tube
and vibration isolator combination will have a new part number.
Identify How/When Recall Condition
was Corrected in Production :
Cummins has changed the injector alignment to the cylinder head was
improved by implementing an improved alignment fixture during engine
assembly and vibration isolators were added to the fuel tubes during
engine assembly on November 2, 2021.
Recall Schedule :
Description of Recall Schedule : Watson Hooper expects to notify their owners of the X12 Cummins
engines no later then April 18th 2022 who are potentially affected by this
recall.
Planned Dealer Notification Date : NR – NR
Planned Owner Notification Date : APR 18, 2022 – MAY 24, 2022
Purchaser Information :
The following manufacturers purchased this defective/noncompliant equipment for possible use or
installation in new motor vehicles or new items of motor vehicle equipment:
Name : NR
Address : NR
NR
Country : NR
Company Phone : NR
* NR – Not Reported

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