McCormick International 8-61 – 8-91
Manufacturer
Models
International 8-61, International 8-71, International 8-91
Years
1969-72
Info
The McCormick International European-wide combine harvester lineup offered models with fairly small increments. The larger models were the 8-61, 8-71, and the 8-91 equipped with a six-cylinder engine. The diameter of the threshing cylinder on the 8-91 was 56 cm instead of the 46 cm found on the smaller models, and the main adjustments were made hydraulically. The 8-91 was a 5-sieve model. The steering was hydrostatic. A factory-installed cab was available as an optional accessory.
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Technical data
| Model | International 8-61 | International 8-71 | International 8-91 |
|---|---|---|---|
| Options | |||
| Imported to Finland | No | No | No |
| Years | 1969-72 | 1969-72 | 1970-72 |
| First year sold | 1969 | 1969 | 1970 |
| Last year sold | 1972 | 1972 | 1972 |
| Power | 75 | 75 | 96 |
| Engine | IH | IH | IH |
| Engine type | D-239 | D-239 | D-310 |
| Displacement | 3911 cm³ | 3911 cm³ | 5073 cm³ |
| Cyl/turbo | 4 | 4 | 6 |
| Power hp DIN | 75 | 75 | 96 |
| Alternative hp | - | 84 (D-310) hp | 120 (D-358) hp |
| Fuel tank | 100/120 l | 100/120 l | 180 l |
| Transmission | mech. | mech. | mech. |
| Gears | 3 | 3 | 3 |
| Speed min-max. | 1,2-20,6 km/h | 1,2-20,6 km/h | 1,2-20,8 km/h |
| Cutting width | 305 cm | 365 cm | 365 cm |
| Cutting width, alternative | 365, 425 cm | 305, 425 cm | 420, 480 cm |
| Reel diameter | 100 cm | 100 cm | 100 cm |
| Threshing cyl. diameter | 46 cm | 46 cm | 56 cm |
| Threshing cyl. width | 106 cm | 106 cm | 131 cm |
| Number of straw walkers | 4 | 4 | 5 |
| Area of walkers | 300 dm² | 345 dm² | 430 dm² |
| Lenght of walkers | 287 cm | 325 cm | 325 cm |
| Straw shieve | 78 dm² | 78 dm² | 132 dm² |
| Bottom shieve | 85 dm² | 85 dm² | 135 dm² |
| Total screening area | 191 | 191 | 305 |
| Overall lenght | 796 cm | 857 cm | 868 cm |
| Overall width | 359 cm | 419 cm | - |
| Width without header | 292 cm | 292 cm | 299 cm |
| Height without cabin | 287 cm | 287 cm | 360 cm |
| Weight without cabin | 4560 kg | 4820 kg | 6070 kg |
| Grain tank | 22.5 hl | 22.5 hl | 30 hl |
| Unl. height | 315 cm | 315 cm | 313 cm |
| Tyres front (Finland) | 16.9-28 | 16.9-28 | 18.4-30 |
| Tyres front, alternative | 16.9-24 | 16.9-24 | - |
| Tyres rear (Finland) | 7.50-16 | 7.50-16 | 7.50-18 |
| Reel forward/backw. adjustment | holes | hydr. steering | hydr. steering |
| Reel speed adjustment | chain wheels | hydr. steering | hydr. steering |
| Threshing cyl. speed adjustment | hydr. steering | hydr. steering | hydr. steering |
| Bottom sieve | adj. | adj. | adj. |
| Brakes | disc brakes | disc brakes | disc brakes |
| Type of cutting platform floating | gas damper | gas damper | gas damper |
The data has been collected primarily from brochures. In some cases, sources contain conflicting information. In such cases, we have attempted to select the most reliable information.
There is particularly significant variation in speed data, which varies depending on factors such as tire size. For tires, only the size most commonly used in Finland is listed.
Other changes during the model history have been addressed in the text section. For the front axle lock, the Finnish term "hammaslukko" (gear lock) is used for all 100% locks.
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