John Deere

John Deere 9420

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.

Power425 hp

Founded2002 - 2007

Model9420

View Images

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	Typepartial power shift Gears24 forward and 6 reverse DescriptionFour 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 capacity136 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	Typefull power shift Gears18 forward and 6 reverse Oil capacity141.6 qts (134.0 L), 145.6 qts (with PTO) (137.8 L)