Boeing 737-400SF
Boeing 737-400SF
The Boeing 737-400SF (Special Freighter) is a medium-haul narrow-body cargo conversion with a maximum payload of roughly 45,000 lb (20.4 metric tons).
With its main-deck cargo door and capacity for up to 10 to 11 standard pallets, the 737-400SF is a proven, cost-effective workhorse for express and regional freight operators. Powered by two CFM56 turbofan engines, it pairs dependable performance with the economics operators need.
- Maximum payload of roughly 45,000 lb (20.4 metric tons).
- Main-deck cargo door (140" x 83") with room for 10 to 11 pallets.
- Total cargo volume of ~5,500 to 5,828 cu ft (142 to 156 m³).
- Powered by two reliable CFM56 turbofan engines.
Boeing 737-400SF at a glance
| Manufacturer | Boeing |
|---|---|
| Model | 737-400SF (Special Freighter) |
| Max payload | ~45,000 lb (20.4 t) |
| Cargo volume | 5,500 – 5,828 cu ft |
| Main deck | 10 – 11 pallets (88" x 125") |
| Cargo door | 140" x 83" (356 x 213 cm) |
| Range | ~2,300 – 2,392 mi (3,850 km) |
| Cruise speed | 450 – 495 mph (797 – 853 km/h) |
| MTOW | 144,000 – 148,000 lb (65,090 kg) |
| Crew | 2 pilots |
| Engines | 2 × CFM56 turbofan |
| Runway (takeoff) | ~7,500 – 8,500 ft |
A proven, cost-effective cargo workhorse
Serious payload
A maximum payload of roughly 45,000 lb (20.4 metric tons) makes the 737-400SF a heavy hitter among narrow-body freighters.
Main-deck cargo door
A large main-deck door (140" x 83") and room for 10 to 11 standard pallets allow fast, palletised loading and unloading.
Medium-haul range
Around 2,300 miles (3,850 km) with max payload, covering express and regional cargo networks with ease.
CFM56 reliability
Two dependable CFM56 turbofans deliver the performance and dispatch reliability cargo operators demand.
Strong economics
A widely supported airframe with abundant parts and MRO options keeps operating and maintenance costs predictable.
Global support
One of the most widely operated freighter conversions in the world, with a mature support network across every region.
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