Mack GR64B Trucks For Sale
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![2026 Mack GR64B]()
- Engine
- Mack 445
- Transmission
- TMD14AFO-HD
- Suspension
- Ratio
- 3.79
![2026 Mack GR64B]()
- Engine
- Mack 425
- Transmission
- Allison 4500RDS
- Suspension
- Camel Back
- Ratio
- 4.50
![2019 Mack GR64B9]()
- Engine
- Cummins 350
- Transmission
- Automatic
- Suspension
- Ratio
- 4.3
