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The new generation of Gregoire Besson SPMF and SPSF semi-mounted reversible ploughs is designed for tractors from 150 to 300 hp (5 to 9 bodies). Semi-mounted ploughs put less load on the tractor linkage than mounted ploughs and are more manoeuvrable than ploughs fitted with a transport carriage.
The cardan joint on the plough headstock allows turning at angles of up to 110 °. The plough is turned over by a rack-and-pinion mechanism that guarantees smooth turnover and a long service life.
| Model | SPMF B9 | SPMF B9 | SPMF B9 |
|---|---|---|---|
| Number of bodies | 7 (6 + 1) | 8 (7 + 1) | 9 (8+ 1) |
| Working width per body, cm | 30–50 | 30–50 | 30–50 |
| Tractor power requirement, hp | 270 | 300 | 330 |
| Working depth (B2 H8 body), cm | up to 35 | up to 35 | up to 35 |
| Body spacing, cm | 100 | 100 | 100 |
| Point-to-point distance, cm | 170 | 170 | 170 |
| Body protection | Two shear bolts | Two shear bolts | Two shear bolts |
| Skimmers | maize type | maize type | maize type |
| Frame, mm | 180 × 180 × 10 | ||
| Model | SPSF B9 | SPSF B9 | SPSF B9 | SPSF B9 |
|---|---|---|---|---|
| Number of bodies | 9 (4 +1/3+1) | 10 (4 +1/3+1+1) | 11 (4+2/3+1+1) | 12 (4+2+1/3+1+1) |
| Working width per body, cm | 30–50 | 30–50 | 30–50 | 30–50 |
| Tractor power requirement, hp | 320 | 350 | 400 | 435 |
| Working depth (B2 H8 body), cm | up to 35 | up to 35 | up to 35 | up to 35 |
| Body spacing, cm | 100 | 100 | 100 | 100 |
| Point-to-point distance, cm | 170 | 170 | 170 | 170 |
| Protection | two shear bolts | two shear bolts | two shear bolts | two shear bolts |
| Skimmers | maize type | maize type | maize type | maize type |
| Frame, mm | 260 × 180 × 10 | |||
|
Model |
Voyager S70 7+1 |
|
Number of bodies |
8 (7 + 1) |
|
Working width per body (cm) |
30–50 |
|
Tractor power requirement (hp) |
300 |
|
Working depth (B2 H8 body) (cm) |
up to 35 |
|
Body spacing (cm) |
100 |
|
Point-to-point distance (cm) |
170 |
|
Body protection |
two shear bolts |
|
Skimmers |
maize type |
|
Frame, mm |
|
The Gregoire Besson range also includes a variant of semi-mounted ploughs, the SPSF, developed specifically for extreme conditions, including uneven fields. The main distinguishing feature of SPSF ploughs is their wide tractor power range. These ploughs are available with 7 to 12 bodies. Whatever the number of bodies, the plough consists of two sections joined by a transport carriage. This improves the plough’s ground following, which in turn has a positive effect on the harvest.
The new generation of Gregoire Besson Voyager semi-mounted reversible ploughs is designed for tractors from 250 hp. Semi-mounted ploughs put less load on the tractor linkage than mounted ploughs and are more manoeuvrable than ploughs fitted with a transport carriage.
The cardan joint on the plough headstock allows turning at angles of up to 110 °. The plough is turned over by a rack-and-pinion mechanism that guarantees smooth turnover and a long service life.


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