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Massey Ferguson 6400: series tractors, transmissions and what to check
The Massey Ferguson 6400 series comprises mid-range and high-horsepower utility tractors produced from 2003 to 2012. We'll look at the models, engines, transmissions, and what to check when buying a used tractor.
The 6400 in brief
The Massey Ferguson 6400 series includes mid-range and high-horsepower utility tractors produced from 2003 to 2012. They are widely used on farms across Europe, so there are still plenty available on the used market.
The series encompasses several models (e.g., 6445, 6455, 6465, 6470, 6475, 6480, 6485, 6490, 6495, 6499), which differ in power, transmission, and equipment. They are valued for their reliability, comfortable cabins, and good availability of spare parts.
Choosing the right one
The main difference between the models is power and transmission type. Smaller models often have simpler mechanical transmissions, while larger ones feature semi-automatic Dyna transmissions.
As this is an older series, the condition of the specific tractor is crucial—some have already clocked up a high number of working hours, so service history and maintenance records are more important than the level of equipment.
Engines and transmissions
The 6400 series tractors are powered by AGCO Power (Sisu) 4 and 6-cylinder diesel engines. Power ranges from roughly 100 to 190 hp, depending on the model.
Transmissions come in several types: mechanical (Speedshift) and semi-automatic Dyna-4 and Dyna-6. The Dyna-6 allows gear changes without clutching, making it convenient for loader work or field tasks.
What to check when buying a used 6400 series tractor
Check the hour meter and service history, especially the dates for transmission oil changes. Look for any oil leaks around the engine, gearbox, and axles.
Test the transmission in all modes: gear shifting should be smooth, without any jolts. Check the clutch, brakes, and condition of the front axle.
Inspect the hydraulics, PTO, and cabin equipment. If the tractor has worked with a loader, check the condition of the axle and loader mounting.
Versions
Specific models and equipment vary by market and year; we list the most common versions.
Mažesnės galios modeliai
2003–2012Lower-powered 6400 series tractors.
- Lower power
- Often — Speedshift transmission
- Suitable for medium-sized farms
Vidutinės galios modeliai
2003–2012Versatile models for most farms.
- Good power balance
- Often — Dyna-4 or Dyna-6
- Suitable for various tasks
Didesnės galios modeliai
2003–2012Models with more power for heavy-duty work.
- More power
- Often comes with a Dyna-6 transmission
- More expensive to maintain
Su kondicionieriumi
Available to orderVersion with a more comfortable cabin.
- Air conditioning
- Better comfort
- More expensive
Su krautuvu
Available to orderWork configuration with front loader.
- Reinforced front end
- Often comes with a reverse gear
- Check the axle condition
Compare versions
| Mažesnės galios | Vidutinės galios | Didesnės galios | |
|---|---|---|---|
| Who is it suitable for? | For average households | Most households | Heavy-duty use |
| Power (approx.) | ~100–120 hp | ~130–150 hp | ~160–190 hp |
| Transmission | Speedshift / Dyna-4 | Dyna-4 / Dyna-6 | Dyna-6 |
| Service cost | Lower | Average | Higher |
| Price in the used market (relatively) | € | €€ | €€ |
Most buyers will find a mid-range model with Dyna-4 or Dyna-6 transmission suitable. As the series is quite old, the most important thing is the service history and maintenance records.
Pros
- Reliable AGCO Power engines
- Plenty of used examples on the market
- Wide range of spare parts available
- Comfortable, well-equipped cab
Cons
- Older series, wear and tear can be significant
- Repairs on semi-automatic transmissions can be costly
- Electronics in older cabs can be finicky
Frequently asked questions
What is the power of the Massey Ferguson 6400 series?
Depending on the model — roughly from 100 to 190 HP. Check the exact power for the specific tractor.
What's the difference between Dyna-4 and Dyna-6?
Both are semi-automatic transmissions. The Dyna-6 has more automatic gears, making it more convenient for loader work and field tasks.
What should you look out for when buying a used tractor from this series?
Check the condition of the transmission, front axle, and hydraulics, as well as the service history. Since the series is old, the mileage is also important.
Updated 2026-10-21 · Trim levels and equipment vary by market and model year — check the equipment of the specific car. · Translated automatically
