The John Deere F9 900 4WD Forage Harvester (2025-2026) is characterised by high engine power at 878 hp (655 kW) and high travel speed at 24.9 mph (40 km/h). The listed transport width is 11.5 ft (3.49 m).
Specification profile
2025-2026
Engine power: 878 hp (655 kW)Travel speed: 24.9 mph (40 km/h)Engine speed at max torque: 1,800 rpmTransport width: 11.5 ft (3.49 m)
878 hp (655 kW)Engine power
24.9 mph (40 km/h)Travel speed
1,800 rpmEngine speed at max torque
11.5 ft (3.49 m)Transport width
13.1 ft (4 m)Max. Pick-up Width
11.9 ft (3.63 m)Min. Pick-up Width
12.9 ft (3.93 m)Transport height
22.5 ft (6.87 m)Transport length
How it compares
Low, average or high?
Engine power
High
878 hp (655 kW)
Low 126 hp (94 kW)Typical 586 hp (437 kW)High 1,006 hp (750 kW)
Engine power is well above the typical figure.
Travel speed
High
24.9 mph (40 km/h)
Low 12.4 mph (20 km/h)Typical 19.8 mph (31.9 km/h)High 24.9 mph (40 km/h)
Travel speed is well above the typical figure.
Transport width
Average
11.5 ft (3.49 m)
Low 8.2 ft (2.5 m)Typical 10.7 ft (3.27 m)High 12.3 ft (3.74 m)
Transport width is close to the typical figure.
Transport height
Average
12.9 ft (3.93 m)
Low 9.84 ft (3 m)Typical 12.4 ft (3.78 m)High 13.1 ft (4 m)
Transport height is close to the typical figure.
Transport length
Average
22.5 ft (6.87 m)
Low 14.8 ft (4.5 m)Typical 22.8 ft (6.96 m)High 28.2 ft (8.59 m)
Transport length is close to the typical figure.
Displacement
High
63.9 US gal (242 L)
Low 2.38 US gal (9 L)Typical 8.19 US gal (31 L)High 63.9 US gal (242 L)
Displacement is well above the typical figure.
Visual overview
Key measurements
Measurements
Related measurements grouped for faster scanning.
Overall size
The main published dimensions shown together at a glance.
Equipment
Features & equipment
Published equipment and feature availability for this model.
Air BrakesNO
Air conditioningYES
All-wheel DriveYES
CabinYES
Metal DetectorNO
Overload SafetyNO
Rollover ProtectionNO
Overview
Model information
| Manufacturer | John Deere |
|---|---|
| Model | F9 900 4WD Forage Harvester |
| Model year / production | 2025-2026 |
Full specifications
Technical details
Performance
Engine power878 hp (655 kW)
Engine speed at max torque1,800 rpm
Travel speed24.9 mph (40 km/h)
Dimensions
Max. Pick-up Width13.1 ft (4 m)
Min. Pick-up Width11.9 ft (3.63 m)
Transport height12.9 ft (3.93 m)
Transport length22.5 ft (6.87 m)
Transport width11.5 ft (3.49 m)
Capacity & weight
Overload SafetyNo
Engine & drivetrain
Cylinder bore × stroke128×157 mm
Displacement63.9 US gal (242 L)
Emission levelV
Engine manufacturerLiebherr
Engine typeD9512
Number of cylinders12.0
All-wheel DriveYes
Transmission TypeA
Setup & fitment
Back Tyres620/70 R30
Front Tyres900/60 R42
Features
Air conditioningYes
Other specifications
Model series9000
Air BrakesNo
BrakesS
CabinYes
Metal DetectorNo
Rollover ProtectionNo
SteeringHH
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