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Tractor · 2002Unverified

John Deere 9420

Name: John Deere 9420
Brand: John Deere

John Deere 9420 — Four-wheel Drive (4WD) tractor · 312 hp. Reference specifications; pending source verification.

The John Deere 9420 is a tractor with a rated power output of 312 hp, positioning it among the higher-powered machines in its class. Manufactured between 2002 and 2007, this model features a 6-cylinder turbocharged diesel liquid-cooled engine, which powers a four-wheel drive system with a hydrostatic transmission. The listed weight of the 9420 is 34870 to 37246 pounds. It is designed for use on large areas, typically exceeding 1,500 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

312 hp

Max power

257.3 kW

Weight

34870 to 37246 pounds

Catalogue coverage

Variants represented

Richest spec table

105 rows

Recorded power

312 hp

Transmissions

24-speed partial power shift

Production years

2002-2007

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference

Four-wheel Drive (4WD) tractorReference

Built in Waterloo, Iowa, USAReference

Four-wheel driveReference

Steeringhydrostatic articulatedReference

Hydraulic wet disc brakesReference

CommandView cab standard with air-conditioning.Reference

Variants

9420Tcrawler tractorReference

Engine

John Deere 12.5L 6-cyl dieselReference

Engine316.9 kWReference

Drawbar (tested)257.3 kWReference

John DeereReference

turbocharged dieselReference

6-cylinderReference

liquid-cooledReference

Displacement12.5 LReference

Bore/Stroke127 x 165 mmReference

Power316.9 kWReference

Air cleanerdryReference

Compression17:1Reference

Rated RPM2100Reference

Operating RPM1500-2100Reference

Starter volts12Reference

Coolant capacity60.6 LReference

Oil capacity41.6 LReference

Power at rated engine speed232.8 kWReference

Max power257.3 kWReference

Transmission

24-speed partial power shiftReference

18-speed full power shiftReference

TransmissionJohn Deere PowerSyncReference

Typepartial power shiftReference

Gears24 forward and 6 reverseReference

Oil capacity128.7 LReference

Oil capacity132.5 LReference

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.Reference

TransmissionJohn Deere PowershiftReference

Typefull power shiftReference

Gears18 forward and 6 reverseReference

Oil capacity134.0 LReference

Oil capacity137.8 LReference

PTO & Hydraulics

PTO (claimed)235.6 kWReference

PTO (tested)232.8 kWReference

Hydraulic system102.2 LReference

Hydraulic system106.0 LReference

Hydraulic system113.6 LReference

Hydraulic system117.3 LReference

Typeclosed center pressure/flow compensatedReference

Capacity102.2 LReference

Capacity106.0 LReference

Capacity113.6 LReference

Capacity117.3 LReference

Pressure200.0 barReference

Valves4 or 5Reference

Pump flow113.6 lpmReference

Total flow166.5 lpmReference

Total flow181.7 lpmReference

Total flow295.2 lpmReference

Rear TypeIIIReference

Rear TypeIV/IVNReference

Rear lift6291 kgReference

Rear lift6552 kgReference

Rear PTOindependentReference

Rear PTO Type1000Reference

Power at rated PTO speed256.1 kWReference

Capacities

Fuel1022.0 LReference

Dimensions

Wheelbase350 cmReference

Weight34870 to 37246 poundsReference

Front tire710/70R42Reference

Rear tire710/70R42Reference

Ag front710/70R42Reference

Ag rear710/70R42Reference

Length695 cmReference

Length734 cmReference

Width293 cmReference

Clearance (front axle)73 cmReference

Clearance (drawbar)43 cmReference

Shipping15817 kgReference

Operating16894 kgReference

Ballasted18804 kgReference

9420 Serial Numbers

Location:On the top-left of rear hinge memberReference

20021001Reference

200310001Reference

200420001Reference

200530001Reference

200640001Reference

200750001Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Charging amps140Reference

Batteries3Reference

Battery CCA925Reference

Battery volts12Reference

John Deere 9420 Height

Hood247 cmReference

Cab349 cmReference

Exhaust355 cmReference

Test results

Diesel 24-speed 4WDMay 2 - June 18, 1997Link: OCED Tractor Test 1733 fileReference

PTO performanceReference

Fuel use65.1 l/hourReference

Fuel use68.1 l/hourReference

Drawbar performanceReference

Fuel use76.8 l/hourReference

Max pull17422 kgReference

Speeds

With 710/70R42 tires.Reference

With 800/70R38 tires.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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