John Deere F8 600 4WD Forage Harvester Specs (2026)

Among the key figures for the John Deere F8 600 4WD Forage Harvester (2026) are above-average engine power at 637 hp (475 kW) and high travel speed at 24.9 mph (40 km/h). The listed transport width is 12.1 ft (3.7 m).
Specification profile

2026

Engine power: 637 hp (475 kW)Travel speed: 24.9 mph (40 km/h)Engine speed at max torque: 2,000 rpmTransport width: 12.1 ft (3.7 m)
637 hp (475 kW)Engine power
24.9 mph (40 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

Above average

637 hp (475 kW)
Low 126 hp (94 kW)Typical 586 hp (437 kW)High 1,006 hp (750 kW)

Engine power is 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

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.

Max. Pick-up Width9.84 ft (3 m)
Min. Pick-up Width8.37 ft (2.55 m)

Overall size

The main published dimensions shown together at a glance.

Transport length21.7 ft (6.6 m)
Transport height12.8 ft (3.89 m)
Transport width12.1 ft (3.7 m)
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 600 4WD Forage Harvester
Model year / production 2026
Full specifications

Technical details

Performance

Engine power637 hp (475 kW)
Engine speed at max torque2,000 rpm
Travel speed24.9 mph (40 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