John Deere 9420

The John Deere 9420 is a tractor produced by John Deere. It is equipped with a 765 ci 12.5 L engine. The rated power output is 425 hp 316.9 kW. Transmission: John Deere Powershift. Operating weight: 34870 to 37246 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

Variants
9420T	crawler tractor

John Deere 9420 Engine
John Deere 12.5L 6-cyl diesel
Engine details ...

John Deere 9420 Power
Engine	425 hp 316.9 kW
PTO (claimed)	316 hp 235.6 kW
Drawbar (tested)	345.00 hp 257.3 kW
PTO (tested)	312.25 hp 232.8 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
	30 gal (hi-flow) 113.6 L
	31 gal (hi-flow/3pt) 117.3 L

Hydraulics
Type	closed center pressure/flow compensated
Capacity	27 gal 102.2 L
	28 gal (with 3pt) 106.0 L
	30 gal (hi-flow) 113.6 L
	31 gal (hi-flow/3pt) 117.3 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
	78 gpm (hi-flow) 295.2 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	34870 to 37246 pounds
Front tire	710/70R42
Rear tire	710/70R42
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	140
Batteries	3
Battery CCA	925
Battery volts	12

Engine

Engine Detail — 765 ci / 12.5 L Diesel

Manufacturer	John Deere
Configuration	turbocharged diesel, 6-cylinder, liquid-cooled
Displacement	765 ci 12.5 L
Bore/Stroke	5.00x6.50 inches 127 x 165 mm
Power	425 hp 316.9 kW
Air cleaner	dry
Compression	17:1
Rated RPM	2100
Operating RPM	1500-2100
Starter volts	12
Coolant capacity	64 qts 60.6 L
Oil capacity	44 qts 41.6 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 710/70R42 tires.

Transmission — John Deere Powershift

Transmission	John Deere Powershift
Type	full power shift
Gears	18 forward and 6 reverse
Oil capacity	141.6 qts 134.0 L
	145.6 qts (with PTO) 137.8 L
With 800/70R38 tires.

Dimensions

John Deere 9420 Tires
Ag front	710/70R42
Ag rear	710/70R42

Dimensions
Wheelbase	137.8 inches 350 cm
Length	274 inches 695 cm
	289 inches (with hitch) 734 cm
Width	115.5 inches 293 cm
Clearance (front axle)	28.8 inches 73 cm
Clearance (drawbar)	17 inches 43 cm

John Deere 9420 Weight
Shipping	34,870 lbs 15817 kg
Operating	37,246 lbs (620/70R42 duals) 16894 kg
Ballasted	41,456 lbs 18804 kg

John Deere 9420 Height
Hood	97.5 inches 247 cm
Cab	137.5 inches 349 cm
Exhaust	140 inches 355 cm

Tests

OCED Tractor Test 1733
Diesel 24-speed 4WD May 2 - June 18, 1997 Link: OCED Tractor Test 1733 file
PTO performance
Power at rated engine speed	312.25 hp 232.8 kW
Fuel use	17.2 gal/hour 65.1 l/hour
Power at rated PTO speed	343.44 hp 256.1 kW
Fuel use	18.0 gal/hour 68.1 l/hour
Drawbar performance
Max power	345.00 hp 257.3 kW
Fuel use	20.3 gal/hour 76.8 l/hour
Max pull	38,409 lbs 17422 kg