Quick answer:
The John Deere 6155M transmission listing shows 20-speed and 24-speed. Top forward speed is 24.9 mph. Transmission options include AutoPowr, IVT, CommandQuad Plus, CommandQuad, AutoQuad Plus, and AutoQuad.
Gear count20-speed; 24-speed
Forward speed40 km/h
Transmission optionsAutoPowr, IVT, CommandQuad Plus, CommandQuad + 4 more
John Deere 6155M Transmission Specs
| Transmission gear count | 20-speed; 24-speed |
|---|---|
| Top forward speed | 24.9 mph |
| Transmission options | AutoPowr, IVT, CommandQuad Plus, CommandQuad, AutoQuad Plus, AutoQuad, PowrQuad Plus, PowrQuad |
Transmission Speed Comparison Chart
Top forward speed comparison
John Deere 6155M Extra Transmission Notes
| Speed note | The available speed figure for the John Deere 6155M is 24.9 mph forward. Reverse speed was not captured cleanly in this row |
|---|---|
| Options note | The John Deere 6155M transmission-options field shows AutoPowr, IVT, CommandQuad Plus, CommandQuad, AutoQuad Plus, AutoQuad, PowrQuad Plus, PowrQuad. The long option list usually means this model family had multiple transmission packages across trims, years or markets |
Official information note
Mistakes do happen. Transmission specs can change by year, trim, region, tire size and option package. Please check the operator manual, build sheet and official deere.com website for official information.







