747-100B
The 747-100B was a strengthened, higher-weight 747-100 delivered to just two customers.
A 747-100B version, which has a stronger airframe and undercarriage design as well as an increased maximum takeoff weight (MTOW) of 750,000 lb (340,000 kg) was offered. The 747-100B was delivered only to Iran Air and Saudia (now Saudi Arabian Airlines). Optional engine models were offered by Rolls-Royce (RB211) and GE (CF6), but only Saudia ordered the Rolls-Royce option.
| Manufacturer | Boeing |
|---|---|
| Variant | 747-100B |
| Max takeoff weight | 750,000 lb (340,000 kg) |
More in Boeing 747 Family
Boeing 747 Family
Every Boeing 747 variant built between 1968 and 2023 — the 747-100, -200, -300, -400 and 747-8, with freighter, combi and short-range models explained.
747-100
The original Boeing 747-100 entered service in 1970 with six upper-deck windows and a lounge; later aircraft offered a ten-window upper deck.
747-100F
Freighter specification for the Boeing 747-100F, covering main-deck and belly cargo volumes, pallet counts and upper-deck crew lounge options.
747-100SR
Built for Japanese domestic routes, the 747-100SR traded fuel capacity for seats, carrying up to 550 passengers on short high-frequency sectors.
747-100SP
The shortened 747SP was built for Pan Am and Iran Air to fly ultra-long routes such as Tehran-New York, then the longest nonstop service.
747-200
The 747-200 brought more powerful engines, higher takeoff weights and greater range than the -100, and spawned freighter, combi and convertible models.