Massey Ferguson 3640 – 5650
MF's combine harvester production in Brazil began in 1973. The first models were the 210, 220, and 310, based on the 187 and 487. Even the smallest model could be equipped with a 4.5-meter cutting platform.
The Brazilian MF 3640 introduced in 1978 was most closely based on the European models 507 and 440. However, its threshing drums and sieves were longer than theirs. The engine was a 6-cylinder Perkins. In 1980, a 5-drum 5650 was introduced alongside it. In 1994, the design was modernized and the grain tanks were significantly enlarged. The 2004 Advanced model featured a modern, rounded-corner cab. Over the years, engine power increased and the range of equipment expanded. Available options include crawler undercarriage, four-wheel drive, automatic cutting platform height adjustment, and plastic reel tines. The 3640 and 5650 have been sold on all continents, and in 1989–1990, the 5650 was also manufactured in the USA.
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| Model | MF 3640 | MF 5650 | MF 3640 | MF 5650 | MF 5650 Advanced |
|---|---|---|---|---|---|
| Options | |||||
| Imported to Finland | No | No | No | No | No |
| Years | 1978-94 | 1980-94 | 1994-2009 | 1994-2009 | 2009- |
| First year sold | 1978 | 1980 | 1994 | 1994 | 2009 |
| Last year sold | 1994 | 1994 | 2009 | 2009 | - |
| Power | 100 | 136 | 123 | 168 | 175 |
| Engine | Perkins | Perkins | Perkins | Perkins | SisuDiesel |
| Engine type | A6.354.4 | A6.354.4 | 1006-6 | 1006-6T | 620DSRL |
| Displacement | 5800 cm³ | 5800 cm³ | 5950 cm³ | 5950 cm³ | 6600 cm³ |
| Cyl/turbo | 6 | 6T | 6 | 6T | 6TI |
| Power hp DIN | 100 | 136 | 123 | 168 | 175 |
| Alternative hp | - | - | Cummins 130 hp | Cummins 175 hp | - |
| Fuel tank | - | 320 l | 330 l | 330 l | 330 l |
| Transmission | mech. | mech. | mech. | mech. | mech. |
| Gears | 3 | 3 | 3 | 3 | 3 |
| Speed min-max. | - | - | 1,5-27,9 km/h | 1,5-27,9 km/h | 1,5-27,9 km/h |
| Cutting width | 360 cm | 390 cm | 390 cm | 390 cm | 390 cm |
| Cutting width, alternative | 390, 420, 480 cm | 420, 480 cm | 420, 480 cm | 420-580 cm | 420-580 cm |
| Header length | 39(49-56) cm | 39(49-56) cm | 39(49-56) cm | 39(49-56) cm | 39(49-56) cm |
| Threshing cyl. diameter | 56 cm | 56 cm | 56 cm | 56 cm | 56 cm |
| Threshing cyl. width | 108 cm | 127 cm | 108 cm | 127 cm | 127 cm |
| Number of straw walkers | 4 | 5 | 4 | 5 | 5 |
| Area of walkers | 397 dm² | 476 dm² | 408 dm² | 489 dm² | 489 dm² |
| Lenght of walkers | 377 cm | 377 cm | 377 cm | 377 cm | 377 cm |
| Straw shieve | - | 197 dm² | - | - | - |
| Bottom shieve | - | 159 dm² | - | - | - |
| Total screening area | - | 394 | 310 | 360 | 360 |
| Overall lenght | 810 cm | 850 cm | 818 cm | 850 cm | 850 cm |
| Width without header | - | 346 cm | 314 cm | 332 cm | 332 cm |
| Height without cabin | - | 375 cm | 338 cm | 347 cm | 347 cm |
| Height with cabin | - | 375 cm | - | 375 cm | 375 cm |
| Weight without cabin | 6200 kg | 7100 kg | 6200 kg | 7100 kg | 7100 kg |
| Grain tank | 23 (34) hl | 25,5 (37,5) hl | 45 hl | 50 hl | 50 hl |
| Tyres front (Finland) | 18.4-26 | 23.1-30 | 18.4R26 | 23.1R30 | 23.1R30 |
| Tyres front, alternative | - | - | 23.1R26 | 28.1R26 | 28.1R26 |
| Tyres rear (Finland) | 10.00-16 | 10.00-16 | 10.00-16 | 10.00-16 | 12.4R24 |
| Tyres rear, alternative | - | - | 9.5R24 | 12.4R24 | - |
| Reel forward/backw. adjustment | elec. | elec. | elec. | elec. | elec. |
| Reel speed adjustment | hydr. | hydr. | hydr. | hydr. | hydr. |
| Threshing cyl. speed adjustment | adj, in cabin | adj, in cabin | adj, in cabin | adj, in cabin | adj, in cabin |
| Bottom sieve | convertible | convertible | convertible (adj.) | convertible (adj.) | convertible (adj.) |
| Brakes | hydr. expanding | hydr. expanding | wet disc | wet disc | wet disc |
| Air conditioning | - | - | - | - | x |
| Floating cutting platform | - | - | x | x | x |
| Type of cutting platform floating | gas damper | gas damper | gas damper | gas damper | gas damper |
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