John Deere 678 for sale at Lawson Implement Co., Inc. Serving your new and used equipment needs from Goldthwaite and Hamilton, TX.




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With the 678 Rotary Harvesting Unit, you get a wider option for tall, downed, or odd-row crop.

  • Advanced header-height control
  • Harvesting down or lodged crops
  • Row scrapers and cleaners prevent crop buildup
Manufacturer John Deere
Model 678 Rotary Harvesting Unit
Rotary harvesting unit  
Length 2.4. m (7.8 ft)
Overall width 6.1 m (19.8 ft)
Height 1.3 m (4.3 ft)
Transport height 2.3 m  (7.5 ft)
Operating width 6 m (19.7 ft)
Transport width 3 m  (9.8 ft)
Weight 3,000 kg (6,614 lb)
Revolution rating calculated with forage harvester at a standstill without load  
Engine rpm 2,330 rpm
Header drive shaft (shift rod pulled out for slow speed) 405 rpm
Gathering drum ---
Large 20 rpm
Small ---
Cutting blades for gathering drum 640 rpm
Large 640 rpm
Small ---
Feed drums 54 rpm
Cross feed drums ---