The power divider lockout failed and the thru shaft broke. The driver was pulling onto the high way and heard a loud bang, there was a loss in power. The dealer confirmed the problem and all work was done under warranty. There were no warning lights
2019 Mack Granite (Gr)
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →How this year compares
Owner complaints by model year
Compare all Granite (gr) years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 2 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Power Train. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Power Train complaints
2 reportsThe driver was merging on the freeway and experienced complete loss of power. He was able to get over to the shoulder and out of traffic. One of the rear differentials had failed before when the Bull Gear rollers fell out and destroyed the differential carrier but luckily onsite. (Attached is the history of these failures) The t…
Read full complaint
The driver was merging on the freeway and experienced complete loss of power. He was able to get over to the shoulder and out of traffic. One of the rear differentials had failed before when the Bull Gear rollers fell out and destroyed the differential carrier but luckily onsite. (Attached is the history of these failures) The truck was towed back to the dealer and was missing the rear drive shaft, which had fallen out on the freeway. This truck has had differential problems and had the differentials replaced multiple times before and since. The dealer performed all the work, before and after this failure. There was no warning before this happened.
Official recalls
725V666000 · Seat Belts:front:anchorage
Oct 6, 2025
Mack Trucks, Inc. (Mack) is recalling certain 2020-2025 Mack MD, 2019-2025 Anthem, Granite, 2024 MD Electric, and 2025 Pinnacle trucks equipped with a passenger bench seat. The seat belt anchorage bracket may be improperly welded. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 210, "Seat Belt Assembly Anchorages."
Consequence & remedy
Consequence: An improperly welded seat belt anchorage bracket can detach during a crash, increasing the risk of injury.
Remedy: Dealers will install a reinforcement plate, free of charge. Owner letters were mailed January 21, 2026. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0485. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning October 13, 2025.
24V773000 · Tires
Oct 18, 2024
Mack Trucks, Inc. (Mack) is recalling certain 2019-2025 GR and 2018 GU Granite vehicles equipped with non-DOT tested tires. The tires may not have been DOT tested and confirmed to be sufficient for the vehicles. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 119, "New Pneumatic Tires - Other Than Passenger Cars."
Consequence & remedy
Consequence: Insufficient tires can fail, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the tires as necessary, free of charge. Owner notification letters were mailed November 6, 2024. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0471.
23V600000 · Exterior Lighting:turn Signal
Aug 25, 2023
Mack Trucks, Inc. (Mack) is recalling certain 2015-2023 GU and GR vehicles. The turn signals may be positioned incorrectly, reducing their visibility. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
Consequence & remedy
Consequence: Low turn signal visibility may not alert other drivers to a turning vehicle, increasing the risk of a crash.
Remedy: Dealers will add additional turn signal lighting, free of charge. Owner letters were mailed September 25, 2024. Owners may contact Mack's customer service at 1-800-866-1177. Mack's number for this recall is SC0448.
21V233000 · Electronic Stability Control (esc):control Module:software
Apr 1, 2021
Mack Trucks, Inc. (Mack) is recalling certain 2018-2022 Anthem (AN), Granite (GR/GU), and Pinnacle (CHU/CXU/PI) vehicles equipped with "camelback" rear suspension and electronic stability control. The vehicles may not stay in their lane at certain speeds. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 136, "Electronic Stability Control Systems on Heavy Vehicles."
Consequence & remedy
Consequence: A vehicle that drifts out of its lane increases the risk of a crash.
Remedy: Mack will notify owners, and dealers will reprogram the vehicle control units, free of charge. The recall began on April 21, 2021. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0423.
19V054000 · Visibility:rearview Mirrors/devices:exterior
Jan 24, 2019
Mack Trucks, Inc. (Mack) is recalling certain 2019-2020 Mack Anthem, Granite, Pinnacle vehicles. The passenger side door down view mirror may detach from the door.
Consequence & remedy
Consequence: If the mirror detaches from the door, the mirror may strike another vehicle or pedestrian, increasing the risk of injury or crash.
Remedy: Mack will notify owners, and dealers will properly attach the mirror, free of charge. The recall began March 19, 2019. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0416.
18V810000 · Tires
Nov 15, 2018
Mack Trucks, Inc. (Mack) is recalling certain 2019 Mack Granite (GR), LR, and TerraPro (TE) trucks, equipped with Bridgestone M854 tires with DOT date codes 2418-2518, Bridgestone M860A tires with DOT date code 2518 or Bridgestone M864 tires with DOT date codes 2318-2418, all of size 425/65R22.5. The sidewall steel body cords may be exposed, possibly causing unexpected, rapid air loss while driving. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 119, "New Pneumatic Tires - Other than Passenger Cars."
Consequence & remedy
Consequence: Rapid tire air loss can increase the risk of a crash.
Remedy: Mack will notify owners, instructing them to take their vehicles to Bridgestone Tire or Mack truck service centers for inspection and replacement, as necessary, free of charge. The recall began December 19, 2018. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0412.
18V778000 · Steering
Nov 1, 2018
Mack Trucks, Inc. (Mack) is recalling certain 2019 Mack Anthem (AN), Granite (GR), and Pinnacle (PI) vehicles. The pinch bolt on the upper steering shaft may not have been tightened, possibly resulting in the steering shaft separating and causing a loss of steering.
Consequence & remedy
Consequence: A loss of steering can increase the risk of a crash.
Remedy: Mack will notify owners, and dealers will inspect the vehicles for any loose pinch bolts, correcting the vehicles as necessary, free of charge. The recall began November 30, 2018. Owners may contact Mack customer service at 1-800-866-1177. Mack's number for this recall is SC0413.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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