GE Frame 5, 6, 7 and 9: what differs across the fleet
Firing temperature, bucket metallurgy, cooling architecture and the spares that matter most for each frame.
GE Frame 5, 6, 7 and 9 machines share a family lineage but differ significantly in output, firing temperature, cooling and component design. For spare parts planning, the frame is only the starting point; the exact model, configuration and part number determine what fits.
Frame 5
Frame 5 machines are widely used in industrial and oil and gas applications. Many units have long service histories and a mix of original and upgraded components. Legacy part numbers, supersessions and repaired parts are common, so documentation matters as much as availability.
Frame 6
Frame 6 units sit in a broad middle range and are common in combined-cycle and industrial duty. Hot gas path inspections often drive spares demand. Combustion liners, transition pieces, nozzles and shrouds should be verified against the exact model and revision.
Frame 7
Frame 7 machines are larger and typically operate at higher firing temperatures. Cooling architecture and bucket metallurgy are more advanced, and part-number suffixes can reflect configuration-specific designs. Do not assume a part from another Frame 7 unit will fit.
Frame 9
Frame 9 units are among the largest in the family and are often central to power generation capacity. Critical spares planning should account for long lead times, inspection requirements and the cost of any unplanned outage.
What to verify across every frame
- Exact model and serial number, not only the frame number.
- Part number with all suffixes and revision details.
- New, refurbished or as-removed condition.
- Documentation and inspection scope.
- Interchangeability across upgrades or fleet variants.
Frequently asked questions
Are Frame 5, 6, 7 and 9 parts interchangeable?
Generally no. Even within the same frame, model, configuration and revision differences can change fit and performance. Always verify the exact part number.
Which frame has the longest lead times?
Lead time depends on the part, condition and supplier, not only the frame. Critical hot gas path and large Frame 9 components often need the most planning.
Can AGO Aviation source parts for all four frames?
Yes. Send the frame, model, serial number and part number, and our team will check availability and compatibility.
Need help with a part?
Send your part number and we will verify availability.
AGO Aviation supplies gas turbine, compressor, valve, automation, instrumentation and mechanical spare parts worldwide. Share a part number, drawing or nameplate photo and our team will respond with availability, lead time and pricing.