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Siirry sivupalkkiinSiirry alaosaanDronningborg D 7000 – D 7800 / Case IH Dania D 7200 – D 7500








The Dronningborg D 7000, introduced in 1980, had a 12-14 foot cutting platform and a 105-120 hp engine. Considering these specifications, its threshing system was quite robust. The threshing cylinder width was 140 cm. The threshing system featured a replaceable cylindrical sieve and a fan-based after-cleaning mechanism that cleaned the grain before it reached the grain tank. Like other new Dronningborg models, the cab was positioned on the combine's centerline. Unlike the smaller models, the sieves were adjustable and the unloading auger joint was sealed. The speed of the threshing cylinder was hydraulically controlled.
As an optional accessory, a Power Flow cutting platform was available, which included a belt conveyor between the blade and the feed auger, improving feed consistency and making it easier to harvest tall crops. The electronic monitoring systems were more comprehensive than those on smaller models, and additionally, the D-Control system—later named Unicontrol—was available as an option. This was the most versatile combine computer of its time. The Unicontrol system displayed, among other things, the harvested surface area, threshing time, instantaneous driving speed, rotational speeds of eight axles, as well as alarms for rotational speeds and fluid levels and temperatures of the engine and hydraulics. Furthermore, the system could be expanded with a loss meter and a threshing power/yield meter.
In 1984, Dronningborg introduced new models under both the MF (Massey Ferguson) brand and its own name. The D 7200 and D 7500 models were equipped with Valmet engines—unlike the MF models—and featured larger concaves and grain tanks compared to the D 7000. In 1990, the D 7800 was introduced, and the D 7500 also grew in size, including its concaves and sieves. These models had hydrostatic transmissions, available in both two- and three-speed versions. Starting in 1987, combines were also sold in some countries under the Case IH brand. In 1990, the color of the Dronningborg models changed to a more reddish tone. From 1992 onwards, combines were produced solely under the MF brand, and the Dronningborg brand went into history.
Among the Dronningborg models imported to Finland, the D 7200 was the most popular and came standard with reverse rotation and an electric clutch for the threshing mechanism. Most of the combines also featured Unicontrol, which was a standard feature on the more powerful D 7500.
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| Model | Dronningborg D 7000 | Dronningborg D 7000 S | Dronningborg D 7200 | Dronningborg D 7500 | Dronningborg D 7500 | Dronningborg D 7800 |
|---|---|---|---|---|---|---|
| Imported to Finland | No | No | Yes | Yes | Yes | No |
| Years | 1980-90 | 1980-90 | 1984-92 | 1984-90 | 1990-92 | 1990-92 |
| Engine | Perkins | Perkins | Valmet | Valmet | Valmet | Valmet |
| Engine type | A6.354.4 | A6.354.4 | 611 DL | 611 DSL | 620 DSL | 620 DSL |
| Displacement | 5797 cm³ | 5797 cm³ | 6600 cm³ | 6600 cm³ | 6600 cm³ | 6600 cm³ |
| Cyl/turbo | 6 | 6T | 6T | 6T | 6T | 6T |
| Power | 105 hp DIN | 120 hp DIN | 130 hp DIN | 148/154 hp DIN | 150 hp DIN | 150 hp DIN |
| Fuel tank | 200 l | 250 l | 200/280 l | 280 l | 350 l | 400 l |
| Transmission | hydr. | hydr. | hydr. | hydr. | hydr. | hydr. |
| Gears | 2 | 2 | 2/3 | 2/3 | 3 | 3 |
| Speed min-max. | 0-20 km/h | 0-20 km/h | 0-20 km/h | 0-20 km/h | 0-24,7 km/h | 0-24,7 km/h |
| Cutting width | 372 cm | 372 cm | 372 cm | 434 cm | 433 cm | 433 cm |
| Cutting width, alternative | 434 cm | 434 cm | 434 cm | 495 cm | 494 cm | 494 cm |
| Reel diameter | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm | 100 cm |
| Header length | 44 (89) cm | 44 (89) cm | 44 (89) cm | 44 (89) cm | 44 (89) cm | 44 (89) cm |
| Threshing cyl. diameter | 45 cm | 45 cm | 45 cm | 45 cm | 45 cm | 45 cm |
| Threshing cyl. width | 140 cm | 140 cm | 140 cm | 140 cm | 140 cm | 140 cm |
| Number of straw walkers | 5 | 5 | 5 | 5 | 5 | 5 |
| Area of walkers | 520 dm² | 520 dm² | 540 dm² | 540 dm² | 613 dm² | 613 dm² |
| Lenght of walkers | 370 cm | 370 cm | 386 cm | 386 cm | 438 cm | 438 cm |
| Straw shieve | 180 dm² | 180 dm² | 180 dm² | 209 dm² | 260 dm² | 260 dm² |
| Bottom shieve | 140 dm² | 140 dm² | 140 dm² | 161 dm² | 190 dm² | 190 dm² |
| Total screening area | 320 | 320 | 320 | 370 | 450 | 450 |
| Overall lenght | 917 cm | 917 cm | 917 cm | 917 cm | 996 cm | 1078 cm |
| Overall width | 427 cm | 427 cm | 427 cm | 486 cm | 486 cm | 486 cm |
| Width without header | 300 cm | 300 cm | 300 cm | 320 cm | 320 cm | 320 cm |
| Height without cabin | 303 cm | 303 cm | - | - | - | - |
| Height with cabin | 353 cm | 353 cm | 390 cm | 380 cm | 395 cm | 395 cm |
| Weight without cabin | 6674 kg | 7154 kg | 8160 kg | 8630 kg | - | - |
| Weight with cabin | 6918 kg | 7398 kg | 8400 kg | 8870 kg | 10300 kg | 10300 kg |
| Grain tank | 34 hl | 34 hl | 42 hl | 52 hl | 52 hl | 52 hl |
| Unl. height | 318 cm | 341 cm | 370 cm | 370 cm | 370 cm | 370 cm |
| Tyres front (Finland) | 18.4-26 | 23.1-26 | 23.1R26 | 28L-26 | 28L-26 | 28L-26 |
| Tyres rear (Finland) | 11.5/80-15 | 12.5/80-18 | 12.5/80-18 | 400/50-22.5 | 400/50-22.5 | 400/50-22.5 |
| Reel forward/backw. adjustment | hydr. | hydr. | hydr. | hydr. | hydr. | hydr. |
| Reel speed adjustment | hydr. | hydr. | hydr. | hydr. | hydr. | hydr. |
| Threshing cyl. speed adjustment | adj, in cabin | adj, in cabin | adj, in cabin | adj, in cabin | adj, in cabin | adj, in cabin |
| Bottom sieve | adj. | adj. | adj. | adj. | adj. | adj. |
| Brakes | mech. drum | mech. drum | mech. drum | wet disc | wet disc | wet disc |
| Heating | x | x | x | x | x | x |
| Floating cutting platform | x | x | x | x | x | x |
| Type of cutting platform floating | gas damper | gas damper | gas damper | gas damper | gas damper | gas damper |
| Tyres front, alternative | - | - | 18.4-30 | 23.1-26 | 23.1-26 | 23.1-26 |
| Alternative hp | - | - | - | Perkins T6.354.4CC hp | - | - |
| Tyres rear, alternative | - | - | - | 12.5/80-18 | 12.5/80-18 | 12.5/80-18 |
| Reverser | - | - | - | x | x | x |
| Air conditioning | - | - | - | - | - | x |
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