The John Deere F8 500 4WD Forage Harvester (2026) combines typical engine power at 577 hp (430 kW) with low travel speed at 12.4 mph (20 km/h). It also has transport width of 12.1 ft (3.7 m).
Specification profile
2026
Engine power: 577 hp (430 kW)Travel speed: 12.4 mph (20 km/h)Engine speed at max torque: 2,000 rpmTransport width: 12.1 ft (3.7 m)
577 hp (430 kW)Engine power
12.4 mph (20 km/h)Travel speed
2,000 rpmEngine speed at max torque
12.1 ft (3.7 m)Transport width
9.84 ft (3 m)Max. Pick-up Width
8.37 ft (2.55 m)Min. Pick-up Width
12.8 ft (3.89 m)Transport height
21.7 ft (6.6 m)Transport length
How it compares
Low, average or high?
Engine power
Average
577 hp (430 kW)
Low 126 hp (94 kW)Typical 586 hp (437 kW)High 1,006 hp (750 kW)
Engine power is close to the typical figure.
Travel speed
Low
12.4 mph (20 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 below the typical figure.
Transport width
Above average
12.1 ft (3.7 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 above the typical figure.
Transport height
Average
12.8 ft (3.89 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
21.7 ft (6.6 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 close to the typical figure.
Displacement
Low
3.58 US gal (13.6 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 below 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 | F8 500 4WD Forage Harvester |
| Model year / production | 2026 |
Full specifications
Technical details
Performance
Engine power577 hp (430 kW)
Engine speed at max torque2,000 rpm
Travel speed12.4 mph (20 km/h)
Dimensions
Max. Pick-up Width9.84 ft (3 m)
Min. Pick-up Width8.37 ft (2.55 m)
Transport height12.8 ft (3.89 m)
Transport length21.7 ft (6.6 m)
Transport width12.1 ft (3.7 m)
Capacity & weight
Overload SafetyNo
Engine & drivetrain
Cylinder bore × stroke132×165 mm
Displacement3.58 US gal (13.6 L)
Emission levelV
Engine manufacturerJohn Deere
Engine typeJD14X6136
Number of cylinders6.0
All-wheel DriveYes
Transmission TypeA
Setup & fitment
Back Tyres620/70 R30
Front Tyres900/60 R42
Features
Air conditioningYes
Other specifications
Model series8000
Air BrakesNo
BrakesS
CabinYes
Metal DetectorNo
Rollover ProtectionNo
SteeringHH
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