Give Feedback
You must enter a search term to perform a search.

Used John Deere 9800 Self-Propelled Forage Harvesters for Sale (29 listings)

The John Deere 9800 Self-Propelled Forage Harvester ranges in price from as low as $229,500 to $575,000 according to Machinery Pete's data.
Filters / Sort
View: 24 36 48 72
Save your search and get daily updates on new inventory.
Save search
2020 John Deere 9800 Self-Propelled Forage Harvester
5 photos

2020 John Deere 9800

Save
$490,900 USD 967 hours
Hours: 967
Kernel Processor: Yes, Axle: PRWD, Cutterhead w/40, KP SN 1XF1WSCXVKM020188, 2020 John Deere 9800
$490,900 USD
967 hours
Archbold, OH
(419) 731-6702
2020 John Deere 9800 Self-Propelled Forage Harvester
18 photos

2020 John Deere 9800

Save
$499,900 USD 745 hours
Hours: 745
Kernel Processor: Yes, Axle: PRWD, Cutterhead with 40 Knifes, KP SN#1XF1WSCXPLC020239, No Heads Included, 2020 John Deere 9800
$499,900 USD
745 hours
Edgerton, OH
(419) 370-3343
2021 John Deere 9800 Self-Propelled Forage Harvester
1 photos

2021 John Deere 9800

Save
$348,500 USD 1523 hours
Hours: 1523
Kernel Processor: Yes, Axle: No PRWD, SELF PROPELLED, 2WD, 858, JOHN DEERE KP, METAL DETECTOR, 520/85/46 DUALS 75%, HIGH ARCH SPOUT W/ SPOUT EXTENSION, GUIDANCE READY, 40 KNIFE CUTTERHEAD, OF HOURS: EN... See all seller comments
$348,500 USD
1523 hours
2021 John Deere 9800 Self-Propelled Forage Harvester
10 photos

2021 John Deere 9800

Save
$448,900 USD 1620 hours
Hours: 1620
Kernel Processor: Yes, Axle: PRWD, Cutterhead With 48 e-wide corn knives , Price includes Harvest Lab and extended warranty., **PRICE FOR CHOPPER ONLY, HEADS AVAILABLE SEPARATELY**, 2021 John Deere 980... See all seller comments
$448,900 USD
1620 hours
Fairmount City, PA
(833) 421-1026
2019 John Deere 9800 Self-Propelled Forage Harvester
2 photos

2019 John Deere 9800

Save
$359,900 USD 1531 hours
Hours: 1531
Kernel Processor: Yes, Axle: PRWD, IF900x42 fronts, IF650x34 rears, 4wd, kernel processor, leather package, LED premium light pkg, premium sound system, pro drive transmission, I complete, advanced hea... See all seller comments
$359,900 USD
1531 hours
Sauk Centre, MN
(507) 416-0924
2022 John Deere 9800 Self-Propelled Forage Harvester
22 photos

2022 John Deere 9800

Save
$425,000 USD 1228 hours
Hours: 1228
Kernel Processor: Yes, Axle: PRWD, DURALINE ULTIMATE, KOOIMA BUMPER, AVAILABLE AUGUST 2025, JD 9800 SPFH, POWER REAR WHEEL DRIVE, DURALINE ULTIMATE, KOOIMA BUMPER, ADVANCED HEADER HEIGHT CONTROL, LEATH... See all seller comments
$425,000 USD
1228 hours
Dyersville, IA
(563) 412-4756
2022 John Deere 9800 Self-Propelled Forage Harvester
19 photos

2022 John Deere 9800

Save
$369,500 USD 1513 hours
Hours: 1513
Kernel Processor: Yes, Axle: PRWD, PREMIUM LEATHER SEAT, 2 REAR VIEW MIRRORS ELECTRIC, PREMIUM LIGHTING PACKAGE (LE, PREMIUM RADIO PACKAGE, 2.5 GAL WATER FIRE EXTING., "I" READY PACKAGE, GUIDANCE READY... See all seller comments
$369,500 USD
1513 hours
Elyria, KS
(620) 234-3508
2022 John Deere 9800 Self-Propelled Forage Harvester
1 photos

2022 John Deere 9800

Save
$510,000 USD 486 hours
Hours: 486
Kernel Processor: Yes, Axle: PRWD, 2022 JOHN DEERE 9800, 4WD, PRODRIVE, KERNAL PROCESSOR, ADV HEADER CONTROL, AUTO PTO COUPLER, DUAL HEADER DRIVE, DURA LINE PREMIUM, 48-KNIFE BRACKET DURA-DRUM, CORN KN... See all seller comments
$510,000 USD
486 hours
2021 John Deere 9800 Self-Propelled Forage Harvester
1 photos

2021 John Deere 9800

Save
$499,000 USD 994 hours
Hours: 994
Kernel Processor: Yes, Axle: PRWD, 2021 JOHN DEERE 9800, KP, PRWD, DUALS, PREMIUM SEAT AND RADIO, PREMIUM LIGHTING, PRODRIVE, ADVANCED HEADER CONTROL, DUAL HEADER DRIVE, DURA LINE ULTIMATE, ACTIVE FILL... See all seller comments
$499,000 USD
994 hours
2024 John Deere 9800 Self-Propelled Forage Harvester
1 photos

2024 John Deere 9800

Save
$575,000 USD 734 hours
Hours: 734
Kernel Processor: Yes, Axle: PRWD, 2024 JOHN DEERE 9800*AVAILABLE SUMMER 2026*4WD*PRODRIVE TRANSMISSION*ADVANCED HEADER CONTROL*AUTOMATIC PTO COUPLER*DUAL HEADER DRIVE*DURA LINE PREMIUM*48 KNIFE BRACKE... See all seller comments
$575,000 USD
734 hours
2022 John Deere 9800 Self-Propelled Forage Harvester
16 photos

2022 John Deere 9800

Save
$419,500 USD 1367 hours
Hours: 1367
Kernel Processor: Yes, Axle: PRWD, 1222 PREMIUM LEATHER SEAT, 1320 2 REAR VIEW MIRRORS ELECTRIC, 1378 PREMIUM LIGHTING PACKAGE (LE, 1415 PREMIUM RADIO PACKAGE, 1772 "I" READY PACKAGE, 1785 GUIDANCE REA... See all seller comments
$419,500 USD
1367 hours
Elyria, KS
(620) 234-3508
2019 John Deere 9800 Self-Propelled Forage Harvester
7 photos

2019 John Deere 9800

Save
$318,900 USD 2738 hours
Hours: 2738
Kernel Processor: Yes, Axle: PRWD, Cutterhead With 48 e-wide corn knives , EXTREME KP, VERY WELL MAINTAINED !, **PRICE FOR CHOPPER ONLY, HEADS AVAILABLE SEPARATELY**, 2019 John Deere 9800. Self-Propell... See all seller comments
$318,900 USD
2738 hours
Batavia, NY
(844) 771-6319
2019 John Deere 9800 Self-Propelled Forage Harvester
1 photos

2019 John Deere 9800

Save
$229,995 USD 2228 hours
Hours: 2228
Kernel Processor: Yes, Axle: PRWD, 2019 John Deere 9800. JD Xstream KP. Prodrive. LED lights. Dual header drive. Duraline ultimate. Auto PTO coupler. Low volume innoculant. Harvestlab. Leather. This ma... See all seller comments
$229,995 USD
2228 hours
2020 John Deere 9800 Self-Propelled Forage Harvester
16 photos

2020 John Deere 9800

Save
$315,900 USD 2149 hours
Hours: 2149
Kernel Processor: Yes, Axle: PRWD, 40 Knife Cutterhead, 2630 on Armrest, High Arch Spout, Premium Leather, Dual Header Drive, Stone Detection, Crane for Kp, ActiveFill, Chrome Exhaust, Spout Camera, 12... See all seller comments
$315,900 USD
2149 hours
Sauk Centre, MN
(507) 416-0924
2023 John Deere 9800 Self-Propelled Forage Harvester
1 photos

2023 John Deere 9800

Save
$396,600 USD 1268 hours
Hours: 1268
Kernel Processor: Yes, Axle: No PRWD, SELF PROPELLED 2WD 856 PRO DRIVE NO ADDITIVE SYSTEM METAL DETECTOR FRONT VF800/70R38 REAR VF650/70R34 HIGH ARCH SPOUT W/ SPOUT EXTENSION, HEADERS PRICED SEPARATELY... See all seller comments
$396,600 USD
1268 hours
2022 John Deere 9800 Self-Propelled Forage Harvester
50 photos

2022 John Deere 9800

Save
$554,200 USD 1430 hours
Hours: 1430
Kernel Processor: Yes, Axle: PRWD
$554,200 USD
1430 hours
Alliance, NE
(308) 762-5870
2021 John Deere 9800 Self-Propelled Forage Harvester
32 photos

2021 John Deere 9800

Save
$409,900 USD 1568 hours
Hours: 1568
Kernel Processor: Yes, Axle: PRWD, Extended powertrain warranty until May 31, 2027 or 2500 hours, 4-Wheel Drive, IF900x42 fronts, IF650x34 rears, JD XStream Kernel Processor, premium leather package, p... See all seller comments
$409,900 USD
1568 hours
Sauk Centre, MN
(507) 416-0924
2021 John Deere 9800 Self-Propelled Forage Harvester
30 photos

2021 John Deere 9800

Save
$229,500 USD 2475 hours
Hours: 2475
Kernel Processor: Yes, Axle: PRWD, 1222 PREMIUM LEATHER SEAT, 1320 2 MIRRORS EL. ADJUS & HEATED, 1378 PREMIUM LIGHTING PACK. (LED), 1415 PREMIUM RADIO PACKAGE, 1772 I READY PACKAGE, 1785 GUIDANCE R... See all seller comments
$229,500 USD
2475 hours
Wamego, KS
(785) 268-7278
2022 John Deere 9800 Self-Propelled Forage Harvester
15 photos

2022 John Deere 9800

Save
$389,500 USD 1436 hours
Hours: 1436
Kernel Processor: Yes, Axle: PRWD, 1222 PREMIUM LEATHER SEAT, 1320 2 REAR VIEW MIRRORS ELECTRIC, 1378 PREMIUM LIGHTING PACKAGE (LE, 1415 PREMIUM RADIO PACKAGE, 1772 "I" READY PACKAGE, 1785 GUIDANCE REA... See all seller comments
$389,500 USD
1436 hours
Elyria, KS
(620) 234-3508
2019 John Deere 9800 Self-Propelled Forage Harvester
1 photos

2019 John Deere 9800

Save
$270,000 USD 1835 hours
Hours: 1835
Kernel Processor: Yes, 2019 JOHN DEERE 9800 FORAGE HARVESTOR*PRWD*KERNAL PROCESSOR WITH CRANE *PRO DRIVE*AHC*DUALS*2630 DISPLAY WITH ROWSENSE*HARVEST LAB*I READY PKG*AUTO COUPLER*48 KNIFE DRUM*HIGH ARC... See all seller comments
$270,000 USD
1835 hours
2022 John Deere 9800 Self-Propelled Forage Harvester
1 photos

2022 John Deere 9800

Save
$519,000 USD 795 hours
Hours: 795
Kernel Processor: Yes, Axle: PRWD, LOADED 2022 JOHN DEERE 9800, PRODRIVE, 4WD, AHC, AUTO PTO COUPLER, DUAL HEADER DRIVE, DURA LINE ULTIMATE, 40 KNIFE BRACKET DURA DRUM, DURA LINE CUTTERHEAD KNIFE, HIGH... See all seller comments
$519,000 USD
795 hours
2020 John Deere 9800 Self-Propelled Forage Harvester
27 photos

2020 John Deere 9800

Save
$369,900 USD 1714 hours
Hours: 1714
Kernel Processor: Yes, Axle: PRWD, Extended powertrain warranty until Jun 8, 2025 or 2500 hours, IF900x42 fronts, IF650x34 rears, 4-Wheel Drive, Kernel Processor, premium cab, premium sound system, lea... See all seller comments
$369,900 USD
1714 hours
Sauk Centre, MN
(507) 416-0924
2021 John Deere 9800 Self-Propelled Forage Harvester
8 photos

2021 John Deere 9800

Save
$358,900 USD 2321 hours
Hours: 2321
Kernel Processor: Yes, Axle: PRWD, Cutterhead With 48 e-wide corn knives , NO HEADS, 2021 John Deere 9800. Self-Propelled Forage HarvestersKernel Processor: Yes, PRWD, NO HEADS
$358,900 USD
2321 hours
Falconer, NY
(716) 300-6024
2019 John Deere 9800 Self-Propelled Forage Harvester
20 photos

2019 John Deere 9800

Save
$326,500 USD 1599 hours
Hours: 1599
Kernel Processor: No, Axle: PRWD, RCI Bumper, 12 Row Folding Spout - High Arch, Premium Radio, Prodrive, Dual Header Drive, Heavy Duty Duraline KP, 48 Knife Cutterhead, 520/85R46 Duals, Activefill, Chr... See all seller comments
$326,500 USD
1599 hours
Sauk Centre, MN
(507) 416-0924
2021 John Deere 9800 Self-Propelled Forage Harvester
21 photos

2021 John Deere 9800

Save
$319,500 USD 1924 hours
Hours: 1924
Kernel Processor: Yes, Axle: PRWD, PREMIUM LEATHER SEAT, 2 MIRRORS EL. ADJUS & HEATED, PREMIUM LIGHTING PACK. (LED), PREMIUM RADIO PACKAGE, 2.5 GAL WATER FIRE EXTING., I READY PACKAGE, 4G LTE MTG,... See all seller comments
$319,500 USD
1924 hours
Elyria, KS
(620) 234-3508
2022 John Deere 9800 Self-Propelled Forage Harvester
18 photos

2022 John Deere 9800

Save
$324,500 USD 2114 hours
Hours: 2114
Kernel Processor: Yes, Axle: PRWD, PREMIUM LEATHER SEAT, 2 REAR VIEW MIRRORS ELECTRIC, PREMIUM LIGHTING PACKAGE (LE, PREMIUM RADIO PACKAGE, 2.5 GAL WATER FIRE EXTING., "I" READY PACKAGE, GUIDANCE READY... See all seller comments
$324,500 USD
2114 hours
Elyria, KS
(620) 234-3508
2021 John Deere 9800 Self-Propelled Forage Harvester
13 photos

2021 John Deere 9800

Save
$289,500 USD 2131 hours
Hours: 2131
Kernel Processor: Yes, Axle: PRWD, PREMIUM LEATHER SEAT, 2 MIRRORS EL. ADJUS & HEATED, PREMIUM LIGHTING PACK. (LED), PREMIUM RADIO PACKAGE, 2.5 GAL WATER FIRE EXTING., I READY PACKAGE, GUIDANCE REA... See all seller comments
$289,500 USD
2131 hours
Wamego, KS
(785) 268-7278
2021 John Deere 9800 Self-Propelled Forage Harvester
1 photos

2021 John Deere 9800

Save
$443,500 USD 1028 hours
Hours: 1028
Kernel Processor: Yes, Axle: PRWD, 2021 JOHN DEERE 9800 SPFH, 4WD, PRODRIVE (40K), ADV HEADER CONTROL, DUAL HEADER DRIVE, DURALINE ULTIMATE, CHUTE AND PREP XSTREAM KP, 48 KNIFE BRACKET CUTTERHEAD, HIGH... See all seller comments
$443,500 USD
1028 hours
2022 John Deere 9800 Self-Propelled Forage Harvester
1 photos

2022 John Deere 9800

Save
$525,000 USD 794 hours
Hours: 794
Kernel Processor: Yes, Axle: PRWD, 2022 JOHN DEERE 9800, PRODRIVE, 4WD, AHC, AUTO PTO COUPLER, DUAL HEADER DRIVE, 48 KNIFE BRACKET, HIGH ARCH SPOUT, VF900/60R42 FRONTS, VF650/60R34, AUTO SPOUT POSITION... See all seller comments
$525,000 USD
794 hours

John Deere 9800 Specs

Engine

Type
Liebherr
Exhaust emission regulation compliancy: Final Tier 4 / EU Stage V
Model
D9512 A7 04
Cylinders
V 12
Fuel system
Common rail plus four valves
Displacement
24.2 L
1476.8 cu in.
Air compressor
Base

Blower/Crop accelerator

Speed (option)
1890 rpm
Number of blades
10
Rotor diameter/housing width
560 / 620 mm
22.86 / 24.41 in.

Cab

Cool box
Optional
Trainee seat
Standard
Hectare counter
Standard
Operator's seat
Standard: Air-suspension seat
Rearview mirrors
Standard
Side window wiper
Rear and side window wiper optional
Parallel-type windscreen wiper
CAN bus electronics
Standard
Panoramic view windows
Standard
Electric adjust and heated
Optional on rearview mirrors
Air conditioning and heater
Standard: ClimaTrak™ control
Operator information system
Cornerpost display
Tilt and extend steering column
Standard

Cooling system

Cooling fan drive
Direct

Cutterhead

Type
Dura-Drum™ cutterhead
Knife drum width
850 mm
33.5 in.
Shear bar options
Grass, corn, Dura Line™ corn, Dura Line Plus
Knife drum diameter
670 mm
26.4 in.
Speed at rated engine speed
Standard - 1170 rpm
Optional - 1350 rpm
Knife types available (crop)
Straight - grass
Curved - corn

Driveline

Hydraulics
Load sensing
Main clutch
Dry clutch
Ground drive
ProDrive™ system, autoshift transmission, differential lock (automatic and manual), automatic wet brake system
Engine rpm on road: 1200-1800 rpm
Main driveband
Reinforced with Kevlar® inserts
Belt tensioning
Active, hydraulic pressure
Number of discs
Two discs
Main driveband, polybelt belts
Nine grooves

Electrical system/Electrical and hydraulic system

Alternator
12 V - 200 amp
24 V - 140 amp
Type/voltage
12 / 24 V
Hydraulic system capacity
50 L
13.2 U.S. gal.
Batteries/battery quantity/capacity
3 x 174 amp-hr

Engine power

Maximum power
At 1800 rpm (ECE R120): 640 kW
870 PS / 858 hp
Fuel tank capacity
1500 L
396.3 U.S. gal.
DEF tank capacity ( for FT4 or EU Stage V emission level)
103 L
23.8 U.S. gal.

Feeding system/Feedrolls

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

Ground drive

Rear axle type
Hydromechanical 4WD
Differential lock
Manual and automatic
Engine speed management
Standard
Maximum transport speed
ProDrive system: 20/25/30/40 km/h
12.4/15.5/18.6/24.9 mph
Automatic wet brake system
Standard

Harvest channel

Width
Wide body channel
Crop flow components
Low-friction crop flow concept

Header connection

Header drive
Base: Heavy-duty gearbox (i=3.75); pump/motor displacement: 85/80 cc
Optional: Extra heavy-duty gearbox (i=4.31); pump/motor displacement: 110/90 cc
Multicoupler
Standard
Maize headers
8, 10 or 12 rows
Working width: 6, 7.5, or 9 m
19.7, 24.6 , or 29.5 ft
Auto PTO coupler
Optional
Header height control
Advanced header control (AHC) optional
Lateral pivoting frame
Standard
Grass pickups (transport width)
3, 4, 4.5 m
9.8, 13.1, 14.8 ft
Infinitely variable header drive
Standard

John Deere Premium KP

Weight
163.3 kg
360 lb
Housing
Standard KP housing
Lubrication
Grease
Roll diameter
240 mm
9.45 in.
Whole crop - standard sawtooth roll teeth number (speed differential)
178 (32 or 40 percent)
Maize - standard sawtooth or Dura Line™ roll teeth number (speed differential)
118 (32 or 40 percent)

John Deere XStream KP

Housing
Heavy-duty KP housing
Lubrication
Pressurized oil
Roll diameter
250 mm
9.8 in.
Whole crop - Dura Line XCut roll teeth number (speed differential)
145/165 (50 percent)
Maize - Dura Line sawtooth or XCut roll teeth number (speed differential)
110/145 (50 percent)

Kernel processor

Type
John Deere Premium KP™, John Deere XStream KP™
Quick-change
Quick kernel processor - swing in/swing out
Quick KP removal
Optional crane with remote-controlled electric hoist

Key Specs

Engine
Type
Liebherr®
Exhaust emission regulation compliancy: Final Tier 4 / EU Stage V
Displacement
24.2 L
1476.8 cu in.
Model
D9512 A7 04
Cylinders
V 12
Fuel system
Common rail plus four valves
Maximum power
At 1800 rpm (ECE R120): 640 kW
870 PS / 858 hp
Fuel tank capacity
1,500 L
396.3 U.S. gal.
DEF tank capacity ( for FT4 or EU Stage V emission level)
103 L
23.8 U.S. gal.

Knife sharpening system

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

Machine management solutions

Crop analysis
HarvestLab™ 3000 optional
Documentation
Harvest Doc™ optional
Yield monitoring
Harvest Monitor™ optional
Assisted steering systems
Optional: AutoTrac™, Manual RowSense™, AutoTrac RowSense, Machine Sync
Length-of-cut control based on crop parameter
Standard: Infinitely variable length-of-cut (IVLOC™)
Optional: AutoLoc™ system - use with HarvestLab

Maintenance

Automatic lubrication system
Standard: AutoLube
Rotary radiator screen cleaner
Standard
Engine oil and filter change duration
1000 hours

Spout

Rotation, degrees
210 degree (angle)
Double-cap deflection
Standard
Working height (maximum)
Height to spout: 6.6 m
21.65 ft
Hydraulic height position
Standard: Hydraulic raise and lower
Optional: Automatic spout positioning
Reach from center line (Optional)
6 or 8 row: 4.73 m
15.5 ft
10 row: 5.87 m
19.3 ft
12 row: 6.71 m
22 ft

Vehicle

Transport height (to cab roof)
Below 4 m
13.12 ft
Transport width (without header)
3.2-3.8 m
10.5-12.5 ft
Transport length (without header)
6.6 m
21.7 ft
This data is sourced from the public domain and Machinery Pete cannot guarantee accuracy.