John Deere 7850, 7850 i, 7950, 7950 i – specs, opinions & photos

John Deere 7850, 7850 i, 7950, 7950 i – specs, opinions & photos

Looking for information on John Deere 7850, 7850 i, 7950, 7950 i self-propelled forage harvesters? In this article, you’ll find answers to questions such as:

  • How much horsepower does each model produce?
  • What is the working width of each model?
  • Are they equipped with a metal detector?
  • Were any 4WD versions available?

The technical specifications table makes it easy to compare the different forage harvesters, while user reviews can help you choose the right model.

Table of contents:

Technical specifications of the John Deere 7850, 7850 i, 7950, 7950 i self-propelled forage harvesters:

John Deere 7850
John Deere 7850 i
John Deere 7950
John Deere 7950 i

John Deere 7850

  • Years of production: 2008-2010
  • Maximum engine power (hp): 690
  • Maximum travel speed (km/h): 20
  • Minimum pick-up width (cm): 450
  • Gross weight (kg): 13700

John Deere 7850 i

  • Years of production: 2008-2010
  • Maximum engine power (hp): 690
  • Maximum travel speed (km/h): 20
  • Minimum pick-up width (cm): 450
  • Gross weight (kg): 13700

John Deere 7950

  • Years of production: 2010-2012
  • Maximum engine power (hp): 812
  • Maximum travel speed (km/h): 20
  • Minimum pick-up width (cm): 450
  • Gross weight (kg): 17000

John Deere 7950 i

  • Years of production: 2010-2012
  • Maximum engine power (hp): 812
  • Maximum travel speed (km/h): 20
  • Minimum pick-up width (cm): 450
  • Gross weight (kg): 17000

Detailed information and a comparison of the forage harvesters can be found in the technical data sheet below.

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Technical data sheet for the John Deere 7850, 7850 i, 7950, 7950 i self-propelled forage harvesters:

Comparison of self-propelled forage harvester specifications
Model John Deere 7850 John Deere 7850 i John Deere 7950 John Deere 7950 i
Years of production 2008-2010 2008-2010 2010-2012 2010-2012
Engine manufacturer Cummins Cummins Cummins Cummins
Engine model / type QSX15 – – –
Engine displacement (cm³) – – – –
Number of cylinders – – – –
Maximum engine power (hp) 690 690 812 812

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20 20 20 20
Four-wheel drive (4WD) No No No No
Minimum pick-up width (cm) 450 450 450 450
Maximum pick-up width (cm) 450 450 450 450
Metal detector Yes Yes Yes Yes
Pneumatic brake system No No No No

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Overall length (cm) 662 662 662 662
Transport width (cm) 345 345 345 345
Overall height (cm) 370 370 370 370
Gross weight (kg) 13700 13700 17000 17000
Front tyre size 800/65R32 800/65R32 800/65R32 800/65R32
Rear tyre size 540/65R26 540/65R26 540/65R26 540/65R26

Fuel consumption and user reviews of the John Deere 7850, 7850 i, 7950, 7950 i self-propelled forage harvesters:

Add your opinion:

Easy work 0.0 l/h
Medium work 0.0 l/h
Hard work 0.0 l/h

Opinions posted:

Average fuel consumption:

Easy - l/h
Medium - l/h
Hard - l/h

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