spot-welded stainless steel sections. The Budd Pioneer trucks have dual disc brakes on each axle; a later rebuild added tread brakes. The wheels have a diameter of . The cars meet the FRA's buff strength requirement of . The interior design recalled contemporary jet airliners. In common with airliners the cars featured narrow windows, which inhibited sight-seeing. The windows on the Amfleet I cars were ; this was increased to in the Amfleet II. Another factor in choosing small windows was the high incidence of rocks thrown at train windows in the 1970s. Reinforcing the impression of traveling in an airliner, the passenger seats themselves were built by the Amirail division of Aircraft Mechanics Inc. Cesar Vergara, head of car design at Amtrak in the 1990s, criticized the choice to copy the airliner aesthetic: Amfleet I cars can be identified by having vestibules at both ends of the cars; Amfleet II cars have a single vestibule. The Amfleet I has chemical flush toilets, while the Amfleet II has retention toilets. All Amfleet cars have trapdoors, permitting their use at both high- and low-level platforms. The distance from the rail to the bottom step is ; to the floor level is . Coaches Budd built 361 Amfleet I coaches; 90 were configured for long-distance use (60 seats) and 271 for short-distance use (84 seats). All 125 Amfleet II coaches were designed for long-distance service and contained 59 seats. In all standard Amfleet coaches seating is 2×2; in the Amfleet II a single accessible seat accounted for the odd number. Amfleet seats have swing-down tray-tables for at-seat food service, as well as overhead and underseat luggage storage. There are two restrooms at one end of the car. There is a baggage rack at the end of the car. On some cars these have been replaced with a bicycle rack. Under the Capstone refurbishment program most Amfleet I short-distance coaches had three rows of seats removed, reducing their total capacity from 84 to 72 seats. During the 1980s most of the Amfleet I long-distance coaches were refurbished for use on the premium Metroliner service on the Northeast Corridor. All have since been rebuilt, either as 62-seat business class cars or 72-seat short-distance cars. Cafés Budd built 54 Amfleet I "Amcafe" cars and 37 Amfleet I "Amdinette" cars. The cafés had a snack bar in the middle of the car and 53 coach seats;