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Years in Production / 2002–2007

John Deere

9420

Explore the specifications, hardware, and original references for the John Deere 9420.

John Deere 9420 and chisel plow (Wikimedia Commons) · Ghowdy · Public domain commons.wikimedia.org source ↗

425hp

Source index power

4x4 Only

Drive

2002–2007

Production years

John Deere

Manufacturer

9420 / 01

At a glance

Overview

2002 - 2007

9020 Series

Four-wheel Drive (4WD) tractor

Production

Four-wheel Drive (4WD) tractor

Built in Waterloo, Iowa, USA

Manufacturer
John Deere

Mechanical

Four-wheel drive

Hydraulic wet disc brakes

CommandView cab standard with air-conditioning.

Steering
hydrostatic articulated

Capacity

Fuel
270 gal1022.0 L
Hydraulic System
27 gal102.2 L
Hydraulic System
28 gal (with 3pt)106.0 L
Hydraulic System
30 gal (hi-flow)113.6 L
Hydraulic System
31 gal (hi-flow/3pt)117.3 L

Hydraulics

Type
closed center pressure/flow compensated
Capacity
27 gal102.2 L
Capacity
28 gal (with 3pt)106.0 L
Capacity
30 gal (hi-flow)113.6 L
Capacity
31 gal (hi-flow/3pt)117.3 L
Pressure
2900 psi200.0 bar
Valves
4 or 5
Pump Flow
30 gpm113.6 lpm
Total Flow
44 gpm166.5 lpm
Total Flow
48 gpm (Powershift)181.7 lpm
Total Flow
78 gpm (hi-flow)295.2 lpm

Hitch

Rear Type
III
Rear Type
IV/IVN
Rear Lift
13,871 lbs6291 kg
Rear Lift
14,445 lbs (optional)6552 kg

Pto

Rear Pto
independent
Rear Type
1000

Electrical

Ground
negative
Charging System
alternator
Charging Amps
140
Batteries
3
Battery Cca
925
Battery Volts
12

9420 / 02

Under the hood

Engine Detail

John Deere

turbocharged diesel

6-cylinder

liquid-cooled

Displacement
765 ci12.5 L
Bore Stroke
5.00x6.50 inches127 x 165 mm
Power
425 hp316.9 kW
Air Cleaner
dry
Compression Ratio
17:1
Rated Rpm
2100
Operating Rpm
1500-2100
Starter Volts
12
Coolant Capacity
64 qts60.6 L
Cylinders
6
Cooling
liquid-cooled
Oil Capacity
44 qts41.6 L

Engine Options

John Deere 12.5L 6-cyl diesel

9420 / 03

Gears & controls

Transmission (Option 1)

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.

Transmission
John Deere PowerSync
Transmission Type
partial power shift
Gears
24 forward and 6 reverse
Oil Capacity
136 qts128.7 L
Oil Capacity
140 qts (with PTO)132.5 L
Speeds Description
With 710/70R42 tires.

Transmission (Option 2)

Transmission
John Deere Powershift
Transmission Type
full power shift
Gears
18 forward and 6 reverse
Oil Capacity
141.6 qts134.0 L
Oil Capacity
145.6 qts (with PTO)137.8 L
Speeds Description
With 800/70R38 tires.

Transmission Options

24-speed partial power shift

18-speed full power shift

9420 / 04

Size. Stance. Footprint.

Dimensions

Length
274 in695 cm
Width
115.5 in293 cm
Height (cab)
137.5 in349 cm
Wheelbase
137.8 in350 cm

Dimensions And Tires

Wheelbase
137.8 inches350 cm
Weight
34870 to 37246 pounds
Front Tire
710/70R42
Rear Tire
710/70R42

Tires And Tracks

Front Ag
710/70R42
Rear Ag
710/70R42

9420 / 05

Tractor Photos

John Deere 9420 and chisel plow (Wikimedia Commons) · Ghowdy · Public domain commons.wikimedia.org source ↗
John Deere 9420 and chisel plow — Ghowdy, Public-domain dedication, with unconditional-use fallback permission. Resized; converted to WebP. · Ghowdy · Public-domain dedication, with unconditional-use fallback permission commons.wikimedia.org source ↗

See it in action

Videos

Watch John Deere 9420 videos from their original YouTube creators.

9420 / 07

Tests (NTTL)

Oced Tractor Test1733

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

PTO performance

Drawbar performance

Power At Rated Engine Speed
312.25 hp232.8 kW
Fuel Use
17.2 gal/hour65.1 l/hour
Fuel Use
18.0 gal/hour68.1 l/hour
Fuel Use
20.3 gal/hour76.8 l/hour
Power At Rated Pto Speed
343.44 hp256.1 kW
Max Power
345.00 hp257.3 kW
Max Pull
38,409 lbs17422 kg

John Deere 9420 · photo 1 / 2

John Deere 9420 tractor

John Deere 9420 and chisel plow (Wikimedia Commons) · Ghowdy · Public domain commons.wikimedia.org source ↗