O'Connor Trucks

Specifications

• 2026 Mack Trucks Granite® Dump
• Year2026
• ManufacturerMack Trucks
• Model NameGranite®
• Trim NameDump
• Generic Type (Primary)Conventional without Sleeper
• EngineMP7 | MP8 | Cummins L9 CNG
• Engine TypeMP7: 11 Liter | MP8: 13 Liter | Cummins L9 CNG: 12 Liter Natural Gas
• Engine PowerMP7: 325-425 HP | MP8: 415-505 HP | Cummins L9 CNG: 320 HP
• Engine TorqueMP7: 1,250-1,550 lb-ft | MP8: 1,650-1,900 lb-ft. | Cummins L9 CNG: 1,000 lb-ft
• Drivetrain
• TransmissionAUTOMATED MANUAL: mDRIVE HD - 12, 13, or 14-speed | AUTOMATIC: Allison RDS Series - 6-speed | MANUAL: Eaton-Fuller - 10, 11, 13, or 18-speed
• SuspensionLeaf: MRide, Mack Camelback | Air: Mack AL, Hendrickson Primaax EX, Neway ADZ | Rubber: Hendrickson Haulmaax EX
• Weights
• GVWR35,000 – 92,000 lbs.
• Gross Combined Weight Rating80,000+ lbs.
• Cab
• Axle CountFront Axles: Mack | Meritor | Dana Spicer
• FeaturesCLASS: 8 | Tight Turning Radius | Galvanized Steel Cab | Body-Ready Electrical System | Top-Mounted Rear Axle Carriers
• WindshieldRubber-Sealed
• ratio3.91
• wheelsAluminum
• rear axlesTriaxle
• front axle20000
• rear axle46000
• engine brakeYes
• differentialYes
• acYes
• cruise controlYes
• heated mirrorsYes
• power locksYes
• power windowsYes
• Wheelbase234
• gross vehicle weight86000