John Deere 9420T

John Deere 9420T Agricultural Crawler tractor Technical Specifications

John Deere 9420T is a Row-Crop tractor that was produced by the John Deere between 2002 – 2007.

Below you will find detailed technical specifications for John Deere 9420T covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

John Deere 9420T Production

Manufacturer: John Deere
Type: Agricultural Crawler tractor
Factory: Waterloo, Iowa, USA

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

John Deere 9420T Electrical

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

John Deere 9420T Mechanical

Chassis: crawler
Steering: electro-hydraulic power
Brakes: hydraulic wet disc
Cab: Cab standard.
Transmissions: 18-speed full power shift
  24-speed partial power shift


Fuel: 320 gal
1211.2 L
Hydraulic system: 27 gal
102.2 L
  27.5 gal
104.1 L (with 3-pt)


Type: closed center pressure/flow compensated
Capacity: 27 gal
102.2 L
  27.5 gal
104.1 L (with 3-pt)
Pressure: 2900 psi
200.0 bar
Valves: 4 or 5
Pump flow: 30 gpm
113.6 lpm (one SCV)
Total flow: 44 gpm
166.5 lpm (PowrSync)
  48 gpm
181.7 lpm (Powershift)

Tracktor Hitch

Rear Type: III, IV/IVN
Rear lift: 13,871 lbs
6291 kg
  14,445 lbs
6552 kg *Optional

Power Take-off (PTO)

Rear PTO: independent
Rear RPM: 1000

John Deere 9420T Engine detail

Engine Detail
John Deere
turbocharged diesel
Displacement: 765 ci
12.5 L
Bore/Stroke: 5.00×6.50 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

John Deere 9420T Transmission overview

Engine Oil

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

John Deere 9420T Dimensions

Wheelbase: 111 inches
281 cm
Length: 237 inches
601 cm
  269 inches
683 cm (with hitch)
Width: 141 inches
358 cm (36-inch track)
  136 inches
345 cm (30-inch track)
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
48 cm (drawbar)

John Deere 9420T Tests

OCED Tractor Test 1791

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.


Is John Deere 9420T a good tractor?

The John Deere 9420T is one of the great tractors in the John Deere stable, and it has earned John Deere a fantastic reputation.

How much oil does a John Deere 9420T take?

Check out the John Deere 9420T oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year John Deere made the 9320T

The John Deere 9420T was an agricultural tractor model made from 2002 – 2007

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