Lonsdale, MN Farmer Selling His 2002 John Deere 8120 Tractor/Loader
Video by Machinery Pete
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Years in Production / 2002–2005
John Deere
8120
Explore the specifications, hardware, and original references for the John Deere 8120.
No photo
208hp
Source index power
MFWD Optional
Drive
2002–2005
Production years
John Deere
Manufacturer
8120 / 01
At a glance
Overview
2002 - 2005
8020 Series
Row-Crop tractor
Production
Row-Crop tractor
Built in Waterloo, Iowa, USA
- Manufacturer
- John Deere
Mechanical
Two- or four-wheel drive
Hydraulic wet disc brakes
Cab standard.
- Steering
- hydrostatic power
Capacity
- Fuel
- 135 gal511.0 L
- Fuel
- 160 gal (optional)605.6 L
- Hydraulic System
- 37 gal140.0 L
- Hydraulic System
- 39.6 gal (ILS)149.9 L
- Front Hubs
- 3.6 qts3.4 L
- Front Hubs
- 4.2 qts (ILS)4.0 L
- Front Diff
- 14.2 qts13.4 L
Hydraulics
- Type
- closed center pressure-flow compensated (PFC)
- Capacity
- 37 gal140.0 L
- Capacity
- 39.6 gal (ILS)149.9 L
- Pressure
- 2900 psi200.0 bar
- Valves
- 5
- Scv Flow
- 30 gpm113.6 lpm
- Total Flow
- 33.5 gpm*With standard 45cc pump126.8 lpm
- Total Flow
- 42.5 gpm*Optional 57cc pump160.9 lpm
Hitch
- Rear Type
- III,IIIN
- Rear Lift
- 12,300 lbs5579 kg
- Rear Lift
- 15,180 lbsOptOptional6885 kg
- Front Hitch
- IIIN OptOptional
- Front Lift
- 11000 lbs4989 kg
Pto
- Rear Pto
- independent
- Clutch
- hydraulic wet discs
- Rear Type
- 1000 (1.75)
- Rear Type
- 540/10001.375 optional
- Engine Rpm
- 540@1975
- Engine Rpm
- 1000@2200
Serial Numbers
FAQ: How to read a serial number table.
- 2002
- 1001
- 2003
- 10001
- 2004
- 20001
- 2005
- 30001
Electrical
- Ground
- negative
- Charging System
- alternator
- Charging Amps
- 150
- Batteries
- 2
- Battery Cca
- 925
- Battery Volts
- 12
8120 / 02
Under the hood
Engine Detail
John Deere
turbocharged diesel
6-cylinder
liquid-cooled inline
- Displacement
- 496 ci8.1 L
- Bore Stroke
- 4.56x5.06 inches116 x 129 mm
- Rated Power Net
- 200 hp149.1 kW
- Rated Power Gross
- 208 hp155.1 kW
- Maximum Power Net
- 220 hp164.1 kW
- Maximum Power Gross
- 230 hp171.5 kW
- Fuel System
- electronic high-pressure common rail (HPCR)
- Air Cleaner
- dry with secondary element
- Compression Ratio
- 16.5:1
- Rated Rpm
- 2200
- Idle Rpm
- 900-2300
- Operating Rpm
- 1500-2200
- Starter Volts
- 12
- Coolant Capacity
- 35.9 qts34.0 L
- Cylinders
- 6
- Cooling
- liquid-cooled inline
- Oil Capacity
- 22.7 qts21.5 L
- Oil Change
- 250 h
Engine Options
John Deere 8.1L 6-cyl diesel
8120 / 03
Gears & controls
Transmission
Full power shift transmission with single shift lever with display on cab corner post. Tractor begins in 7 (forward) and 2 (reverse) on start up. Clutch pedal may be used to pre-select a gear by holding clutch and pressing lever until desired gear is reached. Automatic PowerShift (APS) allows automated shifting to match load.
- Transmission
- John Deere PowerShift
- Transmission Type
- full power shift
- Gears
- 16 forward and 4 reverse
- Clutch
- hydraulic wet disc
- Oil Capacity
- 148 qts140.1 L
- Oil Capacity
- 158.4 qts (ILS)149.9 L
- Speeds Description
- With 18.4R46 rear tires.
John Deere8120 Transmission
16-speed full power shift
8120 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 209.9 in533 cm
- Height (cab)
- 120.2 in305 cm
- Wheelbase
- 115.7 in293 cm
- Front tread
- 60 in152 cm
Dimensions And Tires
- 2wd Wheelbase
- 123.6 inches313 cm
- 4wd Wheelbase
- 116.9 inches296 cm
- Ils Wheelbase
- 115.7 inches293 cm
- Ils Wheelbase
- 118.9 inches (long frame)302 cm
- Weight
- 19100 to 22450 pounds
- Front Tire
- 11.00-24
- Rear Tire
- 480/80R46
Serial Number Location
Rear of tractor.
Tires And Tracks
- Standard Tires Ag
- Front: 11.00-24. Rear: 480/80R46
See it in action
Videos
Watch John Deere 8120 videos from their original YouTube creators.
8120 / 06
Tests (NTTL)
Oced Tractor Test1819
Diesel 16-speed 4WDMarch 28 - April 8, 2003Link: OCED Tractor Test 1819 file
PTO performance
Drawbar performance
Gear 8 used for power test.
Gear 3 used for pull test.
- Max Power
- 199.71 hp148.9 kW
- Max Power
- 148.45 hp110.7 kW
- Fuel Use
- 10.5 gal/hour39.7 l/hour
- Fuel Use
- 10.1 gal/hour38.2 l/hour
- Fuel Use
- 10.2 gal/hour38.6 l/hour
- Power At Rated Engine Speed
- 172.13 hp128.4 kW
- Max Pull
- 22,308 lbs10118 kg