John Deere F8 600
Source-backed specifications, maintenance, parts and published market/configuration reference for this self-propelled forage harvester.
Specification set: United States · Current F8/F9 US specification · Current Current John Deere F8/F9 data captured 2026-08-31. Individual-page rated/max power and family-table HarvestMotion metrics are deliberately stored under different spec keys when the published values differ.
Machine Configuration
Machine configurationSelf-propelled forage harvester
Official market scopeUnited States current F8/F9 catalog
Engine
Engine familyJohn Deere JD14X 6136
Cylinders6
Engine displacement13.6 L
Rated engine power (individual product page)636 hp
AspirationDual-stage turbocharger (DST)
ECO mode power537 hp
Harvesting System
Harvest automationProTouch Harvest and Ground Speed Automation available in the current F8/F9 platform
Header Connection
Maize header options14.8, 19.7, 24.6, or 29.5 ft maize header working widths; 6, 8, 10, or 12 rows
Grass pickup options9.84, 11.45, 13.12, 14.76, or 15.09 ft grass pickup transport widths
Kernel Processing
Kernel processor optionsJohn Deere Ultimate250 KP or XStream305 KP
Capacities
Fuel tank capacity290 gal
DEF tank capacity39.9 gal
Sources
Specifications, capacities, maintenance, documented part fitment and attachment fitment on this page are tied to cited source records. Version-scoped records use the selected market/configuration context where one is available.