• 189" — up to 48 passengers
• 217" — up to 54 passengers
• 238" — up to 60 passengers
• 252" — up to 66 passengers
• 273" — up to 77 passengers

• Caterpillar C-7 190-230 HP in-line 6-cylinder turbocharged/aftercooled diesel engine
• Cummins ISB in-line 6-cylinder turbocharged aftercooled diesel engine, 190-260 HP
• GM 8.1 liter Vortec 325 HP propane engine

• 96" exterior width
• 90¾" interior width
• 74" headroom at aisle
• 124" - 127" overall height
• 289" - 471" overall length
• Up to 37,000 lb. GVWR

• 50,000 psi steel frame rails 10-1/8" high x 3" flanges x 5/16" thick
• Allison PTS 2500 automatic transmission
• Synthetic transmission fluid
• 60-gallon fuel tank between frame rails in rear overhang
• 200 amp alternator
• 8.25 x 22.5 Disc hub-piloted steel wheels
• 11R22.5(G) tires
• Large, easy-to-read gauges
• 12,000 lb. front axle with 8,000 lb. parabolic designed spring suspension
• 21,000 lb. rear axle with a two-stage rear suspension system (rating varies by wheelbase)
• Blue Stripe rubber coolant hoses with constant torque clamps
• 4-wheel hydraulic anti-lock brakes
• 15" steel front bumper
• 12" steel rear bumper
• Power steering with cruise control and "E-Z Adjust" tilt / telescoping steering column
• 50-degree wheel cut reduces need for backing
• Three "Group 31" batteries
• "Huck Spin" fasteners on all permanent frame fixtures

• All parts are pre-primed or thoroughly rust-proofed after fabrication and before assembly
• Entire underbody (body skirt and floor) is undercoated before mounting on chassis
• Exterior surfaces are painted with heat-cured polyurethane
• Interior surfaces are painted with high-quality, hotsprayed, baked-on enamel
• 1/2" grade plywood for insulation of the floor
• 1/8" smooth black rubber flooring with 3/16" ribbed rubber aisle
• Goodyear Hi-Miler heater hose with constant torque clamps
• Spicer "lubed for life" driveline
• Rubber molded wheelhouse
• Side exhaust before rear wheels
• 14-gauge steel hat-shaped posts and roof bows
• Rigid 16-gauge steel roof longitudinal internal structural members
• 16-gauge channeled interior steel window headers
• 16-gauge continuous belt of interior steel armor above and below floor line
• Riveted and welded construction
• 4 full-length 16-gauge exterior side rub rails
• 20-gauge fluted exterior side panels
• 22-gauge interior galvalume side panels
• 14-gauge steel floor panels
• Single halogen headlights
• 27" wide x 78" high double full-view outward opening entrance door with tempered safety glass
• 37.7" wide x 52.5" high rear door
• "Safety View" vision panel with Fresnal lens for view of loading/unloading zone
• Tempered glass split-sash windows
• Best driver's line of sight in the school bus industry
• 9" x 17" oval-shaped flat and convex rearview mirrors
• 11" x 13" oval shape crossover mirrors with tinted band to reduce glare
• Electric horn with high and low note
• Blue Bird's unitized construction of passenger compartment

273" - 276" Wheelbase


32 Passengers + 5 Wheelchair


48 Passengers + 3 Wheelchair


54 Passengers + 2 Wheelchair


71 Passengers


77 Passengers

Printable CAT Specs Brochure

Printable Cummins Specs Brochure

Printable Propane Specs Brochure