Skip to content
WorksiteMachines
John Deere Forage harvester 2019–present

John Deere 9900i

Deere’s high-capacity forage harvester

The John Deere 9900i is the flagship of Deere’s 9000 series self-propelled forage harvesters, with nearly 1,000 hp and HarvestLab NIR sensing.

Alexey Puzanov ByAlexey Puzanov Updated 1 min read
John Deere self-propelled forage harvester
John Deere self-propelled forage harvester

Photo: Guilhem Vellut from Paris, France, CC BY 2.0 · license

+Strengths

  • Very high capacity
  • Integrated precision agriculture

−Watch-outs

  • Requires very large silage operations

Overview

The John Deere 9000 series forage harvesters are Deere's high-capacity range. The 9900i is the most powerful.

John Deere 9900i specifications

Engine power≈720 kW (970 hp)
EngineLiebherr V12
SensorsHarvestLab 3000 NIR

Figures are typical for standard configurations as published by John Deere. Values vary by market, emissions tier, attachments and options; confirm with your dealer before purchase, transport or lifting.

Compare the John Deere 9900i

Side-by-side specifications against its closest rivals.

Owner & operator reviews

No reviews yet. Have you owned, operated or serviced a John Deere 9900i? Your experience helps other buyers.

Write a review
Share your experience with the John Deere 9900i +
Your rating

Forum discussions

Have a question about the John Deere 9900i? Ask the community.

Sources and further reading

  1. John Deere – 9000 series forage harvesters (deere.com)
Share LinkedIn X Facebook

Alternatives

Other forage harvesters to consider

More from John Deere

Same brand, different jobs

John Deere 850K LGP crawler dozer (predecessor of the 850L)

Bulldozer

John Deere 850L

Weight
20.8 t
Power
225 hp
Blade
PAT or SU, up to ≈5 m³
John Deere 8R series row-crop tractor Editor’s pick

Tractor

John Deere 8R 410

Power
410 hp
Transmission
e23 PowerShift, IVT or EVT
Configurations
Wheels
John Deere S-series combine harvesting rice

Combine harvester

John Deere S790

Power
543 hp
Threshing system
Single rotor
Grain tank
14,100 L