1961 Ford Trucks School Bus Chassis B-500 B-600 B-700 B-750 Sales Brochure. Quality-Built for Reliability and Durability. Ford School Bus Chassis Provide Safety First Reliability and Durability. Highlights quality-built chassis features and models. Ford truck engines provide greater dependability, economy, and long-life performance. Engines available: 223 Six, 262 Six, 292 V-8, 292 HD V-8, 302 HD V-8, 332 HD V-8. 4 chassis series in 5 wheelbase lengths. Illustrates a wide choice of body styles to fit your requirements. Additional Ford Bus Benefits on the back. Condition: Rusty staples.