Specification sheetIssued 4 November 2026
Mack · truck
Mack Granite
Mack Granite GR/GU713 (Granite 64FR) 6x4 axle-forward day cab, US spec - dimensions from Mack Body Builder Instructions Section 0 (USA173626874, 7.2023, pre-2026 cab); powertrain and cab rows from the 2026 all-new Granite spec sheet. Mack publishes no Middle East Granite sheet.
USA
- Bumper to back of cab
- 122.5 in
- Front of hood to back of cab
- 116.5 in
- Front overhang
- 29 in
- Front axle to back of cab
- 87.5 in
- Back of cab to exhaust stack
- 11.5 in
- Tandem axle spacing
- 50 in
- Cab height above frame
- 70.9 in
- Frame height
- 33.6 in
- Ground clearance
- 18.9 in
1
2
3
4
5
6
7
8
9
Dimensions
- Exhaust stack height above frame
- 107.7 in
- Overall width
- 100.5 in
- Width over mirrors
- 116.6 in
- Front track
- 80.9 in
- Wheelbase
- 3,785-6,660 mm (149-262 in) listed for GR/GU7 axle-forward tractors
- Bumper to back of cab (2026 all-new Granite) (axle-forward and axle-back day cab, 2026 cab)
- 113.5 in BBC
Weight
- Weight class
- Class 8 heavy-duty
- Front axle load
- 5,443-9,072 kg (12,000-20,000 lb) front axle ratings, GR/GU7 tractor
- Rear axle load
- 17,239-20,866 kg (38,000-46,000 lb) rear axle ratings, GR/GU7 tractor
Engine
- Engine model
- Mack MP13; Cummins X10 (10 L) optional
- Gross power
- 540 hp max (MP13); 450 hp max (Cummins X10)
- Max torque
- 1,950 lb-ft max (MP13); 1,650 lb-ft max (Cummins X10)
Transmission
- Gearbox
- mDRIVE HD 12-, 13- or 14-speed automated manual; Allison RDS Series 6-speed automatic
- Axle configurations
- 4x2, 6x4, 8x4 with pusher or tag axle, 8x6 tridem, 10x4 with pusher axles
- Axles
- Mack, Meritor or Dana Spicer front axles; Mack, Meritor or Dana rear axles
- Rear suspension
- Mack Camelback, MaxRide air, Mack AL, Hendrickson Haulmaax EX
Cab
- Cab
- Axle-forward or axle-back day cab, 113.5 in BBC; 44-inch mid-roof sleeper option
Service capacities
- Engine oil pan (MP7 / MP8 oil pan (44 US qt))
- 11.1 US gal
Service intervals
- Engine oil and filter
- 43,000 miles
- Fuel filters
- with each engine oil change
- Coolant
- 746,000 miles
- Air filter (every 12 months in severe duty)
- inspect at each oil change; replace at the gauge maximum or every 24 months
- DEF filters and tank
- 180,000 miles
- Transmission oil and filter
- 800,000 km or 60 months
- Axle oil
- 800,000 km / 36 months (GO-J PLUS)