Skip to content
B733Partially retired

How the 737-300 fits into the 737 story

737-300 is a partially retired member of the Boeing 737 family, known for the first Classic-series branch and the version that introduced CFM56 power.

The 737-300 earned a distinct place in the Boeing 737 family story through its engines, seating, range, service entry, and the missions operators chose it to fly.

Service entry

1984

Seating

126 to 149

Range

2,255 nm

Variant history

Why it branches from the family

The 737-300 stands out within the Boeing 737 family because it captures the first Classic-series branch and the version that introduced CFM56 power.

It entered service in 1984 with CFM56-3 engines, typical seating for 126 to 149, and published range of about 2,255 nautical miles.

Fact rows

Reference snapshot

ICAO designator
B733
Designator references
Engines
CFM56-3
Type data
Service entry
1984
Operator records
Typical seating
126 to 149
Operator layouts
Range
2,255 nm
Planning data

Return to the family page

Return to the family history for the wider program story, then compare this version with the other models that carried the design into different markets and missions.