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John Deere 9420

John Deere 9420 tractor
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The John Deere 9420 is a four-wheel drive (4WD) tractor produced from 2002 to 2007 as part of the 9020 Series. It was built in Waterloo, Iowa, USA. The tractor features a John Deere 12.5L 6-cylinder turbocharged diesel engine producing 425 hp (316.9 kW). It offers transmission options including a 24-speed partial power shift and an 18-speed full power shift. The tractor includes a CommandView cab with air-conditioning, hydrostatic articulated steering, and hydraulic wet disc brakes. It has a fuel capacity of 270 gallons and a hydraulic system capacity ranging from 27 to 31 gallons depending on configuration. The tractor hitch supports rear types III and IV/IVN with rear lift capacities up to 14,445 lbs. Dimensions include a wheelbase of 137.8 inches and operating weight up to 37,246 lbs. Electrical system features a 140 amp alternator and three 12-volt batteries. Variants include the 9420T crawler tractor.
John Deere 9420tractor4WDspecificationsenginetransmissiondimensionshydraulicsfarm tractor
Power425 hp
Founded2002 - 2007
Model9420

Technical Specifications

Detailed specifications and technical data for John Deere 9420

Power

Engine:425 hp (316.9 kW)
PTO (tested):312.25 hp (232.8 kW)
PTO (claimed):316 hp (235.6 kW)
Drawbar (tested):345.00 hp (257.3 kW)

Tires

Ag rear:710/70R42
Ag front:710/70R42

Engine

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

Height

Cab:137.5 inches (349 cm)
Hood:97.5 inches (247 cm)
Exhaust:140 inches (355 cm)

Weight

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

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)

Variants

9420T:crawler tractor

Dimensions

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

Electrical

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

Hydraulics

Type:closed center pressure/flow compensated
Valves:4 or 5
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)
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)

Mechanical

Cab:CommandView cab standard with air-conditioning.
Drive:Four-wheel drive
Brakes:Hydraulic wet disc brakes
Steering:hydrostatic articulated

Production

Type:Four-wheel Drive (4WD) tractor
Series:9020 Series
Built in:Waterloo, Iowa, USA
Years produced:2002 - 2007

Transmission

John Deere PowerSync

Type:partial power shift
Gears:24 forward and 6 reverse
Description: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.
Oil capacity:136 qts (128.7 L), 140 qts (with PTO) (132.5 L)
Transmission options:24-speed partial power shift, 18-speed full power shift

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)

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

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