John Deere 9120

The John Deere 9120 is a tractor produced by John Deere. It is equipped with a 496 ci 8.1 L engine. The rated power output is 280 hp 208.8 kW. Transmission: John Deere Powershift. Operating weight: 30970 to 35375 pounds.

Overview

	2002 - 2007 9020 SeriesFour-wheel Drive (4WD) tractor
2002 - 2007
9020 Series
Four-wheel Drive (4WD) tractor

Production
Manufacturer	John Deere
Four-wheel Drive (4WD) tractor
Built in Waterloo, Iowa, USA

John Deere 9120 Engine
John Deere 8.1L 6-cyl diesel
Engine details ...

John Deere 9120 Power
Engine	280 hp 208.8 kW
PTO (claimed)	230 hp 171.5 kW
Drawbar (tested)	226.02 hp 168.5 kW
PTO (tested)	244.57 hp 182.4 kW
Performance test details ...

Mechanical
Four-wheel drive
Steering	hydrostatic articulated
Hydraulic wet disc brakes
CommandView cab standard with air-conditioning.

Capacity
Fuel	270 gal 1022.0 L
Hydraulic system	27 gal 102.2 L
	28 gal (with 3pt) 106.0 L

Hydraulics
Type	closed center pressure/flow compensated
Capacity	27 gal 102.2 L
	28 gal (with 3pt) 106.0 L
Pressure	2900 psi 200.0 bar
Valves	4 or 5
Pump flow	30 gpm 113.6 lpm
Total flow	44 gpm 166.5 lpm
	48 gpm (Powershift) 181.7 lpm

Tractor hitch
Rear Type	III
	IV/IVN
Rear lift	13,871 lbs 6291 kg
	14,445 lbs (optional) 6552 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	1000

Dimensions & Tires
Wheelbase	137.8 inches 350 cm
Weight	30970 to 35375 pounds
Front tire	20.8R42
Rear tire	20.8R42
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	140
Batteries	2
Battery CCA	925
Battery volts	12

Engine

Engine Detail — 496 ci / 8.1 L Diesel

Manufacturer	John Deere
Configuration	turbocharged diesel, 6-cylinder, liquid-cooled
Displacement	496 ci 8.1 L
Bore/Stroke	4.56x5.06 inches 116 x 129 mm
Power	280 hp 208.8 kW
Air cleaner	dry
Compression	16.0:1
Rated RPM	2100
Starter volts	12
Coolant capacity	55 qts 52.1 L
Oil capacity	28 qts 26.5 L

Transmission

Transmission options
24-speed partial power shift
18-speed full power shift

Transmission — John Deere PowerSync

Transmission	John Deere PowerSync
Type	partial power shift
Gears	24 forward and 6 reverse
Oil capacity	136 qts 128.7 L
	140 qts (with PTO) 132.5 L
Four ranges (A-D) and three gears (1-3) with high-low power shift. Synchronized shifting between ranges A-B, B-C, and C-D. Gear shifts are synchronized between 1-R, 1-2, and 2-3. Reverse gear does not operate in D range.
With 20.8R42 tires.

Transmission — John Deere Powershift

Transmission	John Deere Powershift
Type	full power shift
Gears	18 forward and 6 reverse
With 20.8R42 tires.

Dimensions

John Deere 9120 Tires
Ag front	20.8R42
Ag rear	20.8R42

Dimensions
Wheelbase	137.8 inches 350 cm
Length	274 inches 695 cm
	289 inches (with hitch) 734 cm
Width	115.5 inches 293 cm
Shipping weight	30,970 lbs 14047 kg
Operating weight	35,375 lbs (620/70R46 duals) 16046 kg
Clearance (front axle)	26.8 inches 68 cm
Clearance (drawbar)	15 inches 38 cm

John Deere 9120 Height
Hood	97.5 inches 247 cm
Cab	137.5 inches 349 cm
Exhaust	140 inches 355 cm

Tests

OCED Tractor Test 1810
Diesel 18-speed 4WD September 23 - 27, 2002 Link: OCED Tractor Test 1810 file
PTO performance
Power at rated engine speed	244.57 hp 182.4 kW
Fuel use	14.6 gal/hour 55.3 l/hour
Power at rated PTO speed	262.97 hp 196.1 kW
Fuel use	14.4 gal/hour 54.5 l/hour
Drawbar performance
Max power	226.02 hp 168.5 kW
Fuel use	14.5 gal/hour 54.9 l/hour
Gear 7 used for power test.
Max pull	35,211 lbs 15971 kg
Gear 1 used for pull test.