School Bus Specifications - Texas Department of Public Safety

MINIMUM CHASSIS SPECIFICATIONS CHART (TYPE A BUSES)NO SINGLE REAR WHEEL BUSESMaximum Design Capacity 14 - 24 25 - 33 34 - 42Front GAWR (pounds) 4,050 4,050 7,000Rear GAWR (pounds) 6,084 8,600 13,500GVWR (pounds) 10,000 12,000 19,500Minimum Engine Size 6.0L 6.0L 6.6LWheel Base (inches) 138 139 165.5Minimum Fuel Tank Gallons 33 33 40Minimum Tires 225/75 225/75 225/70Minimum Rims 16 x 6 16 x 6 19.5 x 6.75Minimum Transmission 4 SP 4 SP 5 SPNumber of Forward Gears 4 4 5MINIMUM CHASSIS SPECIFICATIONS CHART (TYPE C DIESEL)Maximum Design Capacity 14 - 29 30 - 36 42 - 54 59 - 66 71 - 83Front GAWR (pounds) 7,000 8,000 8,000 10,000 10,000Rear GAWR (pounds) 9,000 15,000 15,000 17,500 19,000GVWR (pounds) 16,000 23,000 23,000 27,500 29,000Minimum Engine Horsepower 175 175hp 175hp 190hp 190hpWheel Base (inches) 150 150 167 236 252Minimum Fuel Tank Gallons 35 35 60 60 60Minimum Tires 225/70R19.5 9R22.5 9R22.5 10R22.5 11R22.5Minimum Rims 6.75 6.75 6.75 7.5 8.25Minimum Transmission 1,000 PTS 2,500 PTS 2,500 PTS 2,500 PTS 2,500 PTSNumber of Forward Gears 5 5 5 5 5Section B-7