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  • July 12, 2026

F Series Gearbox Model Code – How to Read It


F series gearbox models、F series gearbox model code、F series gearbox nomenclature

F Series Gearbox – Model Code Decoder

Example: F77-Y4-4P-15.86-M1

CodeMeaning
FSeries (parallel shaft helical)
77Frame size (37 – 157)
Y4Motor power: 4kW
4P4-pole motor
15.86Actual ratio
M1Mounting position (M1-M6)

Sub-seriesF = Foot mounted, solid shaft

  • FA = Hollow shaft (shaft-mounted)

  • FF = Flange mounted, solid shaft

  • FAF = Flange mounted + hollow shaft

Common models: F37, F47, F57, F67, F77, F87, F97, F107, F127, F157.

F gear motor.png

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