The fixed plow implements you mentioned, AF 3, AF 4, and AF 5, seem to be well-equipped for preparing soil in irregular areas and forming contour lines, as you've highlighted. Let's compare these three models based on their specifications:
1. AF 3
- Price: $1400
- Power: 60 hp
- Working width: 0.9m
2. AF 4
- Price: $2500
- Power: 80 hp
- Working width: 1.2m
3. AF 5
- Price: $3200
- Power: 90 hp
- Working width: 1.5m
Based on the information provided, it's clear that the AF 5 model offers the highest power at 90 hp and the widest working width at 1.5m, making it suitable for larger fields and more demanding soil conditions. However, the AF 4 model also provides a good balance between power and working width, with 80 hp and a 1.2m width, at a more affordable price compared to the AF 5.
The AF 3 model, on the other hand, is the most budget-friendly option but offers the least power and working width among the three. It may be suitable for smaller or less demanding fields where a narrower width is sufficient.
In conclusion, choosing the right model among AF 3, AF 4, and AF 5 would depend on the size of your fields, the soil conditions, and your budget. If you have larger fields with tougher soil, the AF 5 could be a good investment. However, for smaller fields or less demanding tasks, the AF 4 or even the AF 3 could be sufficient.