Among the key figures for the John Deere 9800 4WD Forage Harvester (2018-2025) are high engine power at 858 hp (640 kW) and high travel speed at 24.9 mph (40 km/h). Its published transport width is 11.5 ft (3.5 m).
Specification profile
2018-2025
Engine power: 858 hp (640 kW)Travel speed: 24.9 mph (40 km/h)Engine speed at max torque: 1,800 rpmTransport width: 11.5 ft (3.5 m)
858 hp (640 kW)Engine power
24.9 mph (40 km/h)Travel speed
1,800 rpmEngine speed at max torque
11.5 ft (3.5 m)Transport width
13.1 ft (4 m)Max. Pick-up Width
11.9 ft (3.63 m)Min. Pick-up Width
9.84 ft (3 m)Transport height
19.7 ft (6 m)Transport length
How it compares
Low, average or high?
Engine power
High
858 hp (640 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 (3.5 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
Below average
9.84 ft (3 m)
Low 9.84 ft (3 m)Typical 12.4 ft (3.78 m)High 13.1 ft (4 m)
Transport height is below the typical figure.
Transport length
Below average
19.7 ft (6 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 below 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 | 9800 4WD Forage Harvester |
| Model year / production | 2018-2025 |
Full specifications
Technical details
Performance
Engine power858 hp (640 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 height9.84 ft (3 m)
Transport length19.7 ft (6 m)
Transport width11.5 ft (3.5 m)
Capacity & weight
Overload SafetyNo
Engine & drivetrain
Displacement63.9 US gal (242 L)
Emission levelV
Engine manufacturerLiebherr
Engine typeD9512 A7 04
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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