New 8400 Self-Propelled Forage Harvester

Specifications

Rated Power
Maximum power	397 kW 540 PS / 532 hp
Engine	Type PowerTech™ PSS 13.5L Exhaust emission regulation compliancy - Final Tier 4 / Stage V Displacement 13.5 L 823.8 cu in. Model Europe: 6135HZ021 North America: 6135HZ022 Cylinders Inline 6
Fuel system	Unit injectors plus four valves
Fuel tank capacity	1,100 L 290.6 U.S. gal.
DEF tank capacity ( for FT4 or EU Stage V emission level)	43 L 11.4 U.S. gal.

Rated Power
Maximum power	397 kW 540 PS / 532 hp
Fuel tank capacity	1100 L 290.6 U.S. gal.
DEF tank capacity ( for FT4 or EU Stage V emission level)	43 L 11.4 U.S. gal.

Manufacturer	John Deere
Type	PowerTech™ PSS 13.5L Exhaust emission regulation compliancy - Final Tier 4 / Stage V
Model	Europe: 6135HZ021 North America: 6135HZ022
Displacement	13.5 L 823.8 cu in.
Cylinders	In line six
Speed on road	1400-2100 rpm
Engine/ground speed management	Optional
Fuel system	Unit injectors plus four valves
Air compressor

Cooling system capacity	113 L 29.85 U.S. gal.
Cooling fan drive	Direct

Ground drive	Standard: Hydrostatic, 3-speed - manual shift with helical gears Engine rpm on road: 1650 rpm Optional: ProDrive™, autoshift transmission, differential lock (automatic and manual), automatic wet brake system Engine rpm on road: 1400-2100 rpm
Hydraulics	Load sensing
Crop harvesting unit	Harvest channel standard
Crop flow components	Low-friction crop-flow concept
Main clutch	Dry clutch
Number of discs	One disc
Main driveband	Reinforced with Kevlar inserts
Belt tensioning	Active, hydraulic pressure
Main driveband, polybelt belts	Six ribs

Type/voltage	12 V
Batteries/battery quantity/capacity	2 x 174 amp-hr
Alternator	200 amp
Hydraulic system capacity	50 L 13.2 U.S. gal.

Type	Standard: hydrostatic, 3-speed manual shift Optional: ProDrive, autoshift transmission
Differential lock	Manual or automatic (optional comes with ProDrive)
Maximum transport speed	Hydrostatic transmission: 25 / 30 km/h 15.5 / 18.6 mph ProDrive transmission: 20 / 25 / 30 / 40 km/h 12.4 / 15.5 / 18.6 / 24.9 mph
Rear axle type	Hydro-mechanical 4WD
Automatic wet brake system	Available with ProDrive transmission
Engine speed management	Optional

Tilt and extend steering column	Standard
Air conditioning and heater	Standard - ClimaTrak
Cool box	Optional
Trainee seat	Standard Leather seat optional
Hectare counter	Standard
Operator information system	Cornerpost display Armrest display (Touchscreen) Side rail display (Touchscreen) optional
CAN bus electronics	Standard
Operator's seat	Air-suspension seat optional Leather seat optional
Panoramic view windows
Side window wiper	Rear and side window wiper optional Parallel-type windscreen wiper
Electric adjust and heated	Optional on rear view mirrors
Rearview mirrors	Standard
Hand wash tank capacity

Yield monitoring	Harvest Monitor™ optional
Documentation	Harvest Doc™ optional
Crop analysis	HarvestLab™ 3000 optional
Length-of-cut control based on crop parameter	Infinitely variable length-of-cut (IVLOC™) standard AutoLOC™ optional with HarvestLab 3000
Assisted steering systems	AutoTrac or Manual RowSense optional

Width
Crop flow components

Infinitely variable header drive
Lateral pivoting frame
Multicoupler
Auto PTO coupler
Header drive
Header height control
Grass pickups (transport width)
Maize headers
Driveline
Header connection

Range	Range at 1100 rpm 40 knives: 7-26 mm (0.275-1.0 in.) LOC / 1 mm (0.04 in.) steps 48 knives: 6-22 mm (0.24-0.87 in.) LOC / 1 mm (0.04 in.) steps 56 knives: 5-19 mm (0.20-0.75 in.) LOC / 1 mm (0.04 in.) steps Range at 1200 rpm 56 knives: 4-17 mm (0.16-0.67 in.) LOC / 1 mm (0.04 in.) steps 64 knives: 3-15 mm (0.12-0.59 in.) LOC / 1 mm (0.04 in.) steps

Feed roll frame opening	Swing away, 37-45 degree (angle)
Number	Four
Metal detector	Standard Stone detector is optional
Stone detector
Width, front	660 mm 26 in.
Standard feedroll drive	Hydro feedroll drive IVLOC standard Infinitely variable header drive speed standard
Optional feedroll drive

Type	Dura-Drum™ cutterhead
Cutterhead housing width	686 mm 27 in.
Knife drum width	680 mm 26.8 in.
Knife drum diameter	668 mm 26.3 in.
Speed at rated engine speed	Standard - 1100 rpm Optional - 1200 rpm
Knife types available (crop)	Straight - grass Curved - corn
Number of knives	40 - 48 - 56 - 64
Shear bar options
Shear bar, reversible	Grass, corn, or Dura Line Plus
Shear bar adjust	Fine shearbar adjust Quick shearbar adjust

Reverse rotation	Yes
Automatic from cab	Yes, remote from cab
Reverse drive	Standard
Reverse speed
Sharpening modes	Grinding and finishing

Type	Premium KP (8100-8600) XStream KP (8300-8600)
Quick-change	Quick kernel processor - swing in/swing out
Quick KP removal	Optional: Crane with remote-controlled electric hoist

Housing	Standard KP housing
Lubrication	Grease
Roll diameter	240 mm 9.45 in.
Speed differential / Roll speed (lower)	32 percent Optional 40 percent
Maize - standard sawtooth or Dura Line™ roll teeth number (speed differential)
Whole crop - standard sawtooth roll teeth number (speed differential)
Sorghum, roll teeth number (speed differential)	238 (32 percent)
Weight	320 kg 145 lb
Available KP rolls	Standard sawtooth Duraline sawtooth Whole crop

Housing	Heavy duty housing with KP roll quick exchange system
Lubrication	Pressurized oil
Roll diameter	250 mm 9.84 in.
Speed differential / Roll speed (lower)	50 percent
Bearing temperature monitoring system	Optional
Maize - Dura Line sawtooth or XCut roll teeth number (speed differential)
Whole crop - Dura Line XCut roll teeth number (speed differential)
Sorghum, roll teeth number (speed differential)	238 (32 percent)
Weight
Available KP rolls	Duraline sawtooth Duraline XCut Whole crop XCut

Maize, roll teeth number (speed differential)
Wholecrop, roll teeth number (speed differential)
Sorghum, roll teeth number (speed differential)
Weight

Number of disks (top/bottom)
Diameter of disks
Weight

Rotor diameter/housing width	Rotor diameter: 560 mm 22.86 in. Housing width: 540 mm 21.26 in.
Number of blades	10
Speed (option)	1800 rpm

Rotation, degrees	210 degree (angle)
Hydraulic height position	Hydraulic raise and lower standard Automatic spout positioning optional
Double-cap deflection	Standard
Number of wear liners
Reach from center line (Optional)
Working height (maximum)

Rotary radiator screen cleaner	Standard
Automatic lubrication system	AutoLube optional
Engine oil and filter change duration	Plus-50™ II oil: 500 hours Other oil: 250 hours

With front tires	710/70R42
With rear tires	620/60R30
Transport length (without header)	6.5 m 21.7 ft
Transport width (without header)	3-3.5 m 9.84-11.5 ft
Transport height (to cab roof)	3.89 m 12.75 ft
Working height (maximum)	Height to spout: 6.60 m 21.65 ft
Approximate weight (without header)

Standard	Hydrostatic, 3-speed - manual shift with helical gears

Type	Standard: Hydrostatic, 3-speed - manual shift with helical gears Hydro-mechanical rear axle optional