John Deere 9420T

The John Deere 9420T 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 PowrSync. Drive type: crawler. Operating weight: 39,000 lbs 17690 kg.

Engine Power
425 hp 316.9 kW
Drive & Traction
crawler
Fuel & Capacities
320 gal 1211.2 L
Transmission
John Deere PowrSync
Operating Weight
39,000 lbs 17690 kg

John Deere 9420T Serial Number & Year Decoder

Find the exact manufacture year of your tractor by checking your chassis serial number below.

Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.

Overview

John Deere 9420T tractor photo
2002 - 2007 9020 SeriesAgricultural Crawler tractor
2002 - 2007
9020 Series
Agricultural Crawler tractor
Production
Manufacturer
John Deere
Agricultural Crawler tractor
Built in Waterloo, Iowa, USA
Variants
9420
wheeled tractor
John Deere 9420T Engine
John Deere 12.5L 6-cyl diesel
Engine details ...
John Deere 9420T Power
Engine
425 hp 316.9 kW
PTO (claimed)
302 hp 225.2 kW
Drawbar (tested)
323.43 hp 241.2 kW
PTO (tested)
346.53 hp 258.4 kW
Performance test details ...
Mechanical
Drive
crawler
Steering
electro-hydraulic power
Hydraulic wet disc brakes
Cab standard.
Capacity
Fuel
320 gal 1211.2 L
Hydraulic system
27 gal 102.2 L
27.5 gal (with 3-pt) 104.1 L
Hydraulics
Type
closed center pressure/flow compensated
Capacity
27 gal 102.2 L
27.5 gal (with 3-pt) 104.1 L
Pressure
2900 psi 200.0 bar
Valves
4 or 5
Pump flow
30 gpm (one SCV) 113.6 lpm
Total flow
44 gpm (PowrSync) 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 lbsOptOptional 6552 kg
Power Take-off (PTO)
Rear PTO
independent
Rear PTO Type
1000
Dimensions & Tracks
Wheelbase
111 inches 281 cm
Weight
39,000 lbs 17690 kg
30-inch tracks
Full dimensions and tracks ...
Electrical
Ground
negative
Charging system
alternator
Charging amps
140
Batteries
3
Battery CCA
925
Battery volts
12
References
9420T references literature
8020T/9020T Series published in 2003, by John Deere
Operator's Manual 9320T, 9420T, 9520T and 9620T (OMAR288229) published in 2006

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
Compression
17:1
Rated RPM
2100
Starter volts
12
Coolant capacity
64 qts 60.6 L
Oil capacity
44 qts 41.6 L

Transmission

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

Transmission — John Deere PowerShift

Transmission
John Deere PowerShift
Type
full power shift
Gears
18 forward and 6 reverse
Oil capacity
240 qts 227.1 L
244 qts (with PTO) 230.9 L
9420T PowerShift full power shift speeds

Transmission — John Deere PowrSync

Transmission
John Deere PowrSync
Type
partial power shift
Gears
24 forward and 6 reverse
Oil capacity
256 qts 242.3 L
260 qts (with PTO) 246.1 L
Four synchronized ranges (A-D) with three synchronized gears (1-3) and a high-low power shift.
9420T PowrSync partial power shift speeds

Dimensions

John Deere 9420T Tracks
Width
30 inches 76 cm
Length on ground
111 inches 281 cm
Area on ground
6660 in² 4.3 m²
Width
36 inches 91 cm
Length on ground
111 inches 281 cm
Area on ground
7992 in² 5.2 m²
Dimensions
Wheelbase
111 inches 281 cm
Length
237 inches 601 cm
269 inches (with hitch) 683 cm
Width
141 inches (36-inch track) 358 cm
136 inches (30-inch track) 345 cm
Height (cab)
136 inches 345 cm
Height (exhaust)
138.5 inches 351 cm
Weight
39,000 lbs 17690 kg
Max weight
50,000 lbs 22680 kg
Ground clearance
16 inches 40 cm
19 inches (drawbar) 48 cm

Tests

OCED Tractor Test 1791
Diesel 24-speed crawler March 27 - April 13, 2001 Link: OCED Tractor Test 1791 file
PTO performance
Max power
346.53 hp 258.4 kW
Fuel use
18.8 gal/hour 71.2 l/hour
Power at rated engine speed
299.66 hp 223.5 kW
Fuel use
17.7 gal/hour 67.0 l/hour
Power at rated PTO speed
331.95 hp 247.5 kW
Fuel use
17.9 gal/hour 67.8 l/hour
Drawbar performance
Max power
323.43 hp 241.2 kW
Fuel use
20.1 gal/hour 76.1 l/hour
Max pull
42,421 lbs 19242 kg
Gear 1 used for pull test.