John Deere 4120

The John Deere 4120 is a tractor produced by John Deere. It is equipped with a 148.9 ci 2.4 L engine. The listed engine power is Diesel (listed): 43.1 hp / 32.1 kW; Diesel (listed): 2.9 hp / 2.2 kW. Transmission: eHydro. Operating weight: 1460 lbs 662 kg.

Overview

	2004 - 2014 4000 Twenty Compact SeriesCompact Utility tractor 4000 Twenty Compact Series Compact Utility tractor

Production
Manufacturer	John Deere
Compact Utility tractor
Built in Augusta, Georgia, USA

John Deere 4120 Engine
John Deere 2.4L 4-cyl diesel
Engine details ...

John Deere 4120 Power
Engine	43.1 hp 32.1 kW
PTO (claimed)	35 hp 26.1 kW

Mechanical
Four-wheel drive
Steering	hydrostatic power
ROPS.

Capacity
Fuel	14.5 gal 54.9 L
Hydraulic system	10.3 gal 39.0 L
	9.6 gal (eHydro) 36.3 L

Hydraulics
Type	open center
Capacity	10.3 gal 39.0 L
	9.6 gal (eHydro) 36.3 L
Pressure	2500 psi 172.4 bar
Pump flow	12 gpm 45.4 lpm
Total flow	17.1 gpm 64.7 lpm
Steering flow	5.1 gpm 19.3 lpm

Tractor hitch
Rear Type	I
Rear lift (at ends)	3,130 lbs 1419 kg
Rear lift (at 24"/610mm)	2,500 lbs 1134 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540
Mid PTO	independent (optional)
Mid PTO Type	2100

Dimensions & Tires
Wheelbase	71.5 inches 181 cm
Weight	3700 lbs 1678 kg
Front tire	8.00-16
Rear tire	13.6-28
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
Charging amps	75
Battery CCA	770
Battery volts	12

References
Commercial & Consumer Equipment Purchasing Guide published in 2007, by John Deere
4000 Series Compact Utility Tractors published in 2009, by John Deere
4000 Series Compact Utility Tractors published in 2011, by John Deere
Commercial & Consumer Equipment Purchase Guide published in 2005, by John Deere

Engine

Engine Detail — 148.9 ci / 2.4 L Diesel

Manufacturer	John Deere
Configuration	turbocharged diesel, 4-cylinder, liquid-cooled
Displacement	148.9 ci 2.4 L
Bore/Stroke	3.386x4.134 inches 86 x 105 mm
Power	43.1 hp 32.1 kW
Compression	20:1
Rated RPM	2400
Starter volts	12
Starter power	2.9 hp 2.2 kW
Oil capacity	7.9 qts 7.5 L
Coolant capacity	6.4 qts 6.1 L

Transmission

Transmission options
12-speed
hydrostatic

Transmission — PowrReverser

Transmission	PowrReverser
Gears	12 forward and reverse
Oil capacity	41.2 qts 39.0 L
With 13.6-28 rear tires.

Transmission — eHydro

Transmission	eHydro
Type	hydrostatic
Gears	infinite forward and reverse
Oil capacity	38.4 qts 36.3 L
With 16.3-28 rear tires.

Dimensions

John Deere 4120 Tires
Ag front	8.00-16
Ag rear	13.6-28

Dimensions
Wheelbase	71.5 inches 181 cm
Length	128.2 inches 325 cm
Width	65.6 inches (R1 tires) 166 cm
Height (hood)	62 inches 157 cm
Height (ROPS)	97.2 inches 246 cm
Weight	3700 lbs 1678 kg
Max Drawbar	1,103 lbs 500 kg

Attachments

Attachment overview
72" mid-mount mower deck
John Deere 400X loader
John Deere 400CX loader
Backhoe

72" Mower deck
Type	mid-mount John Deere
	3-blade with hydraulic lift
Cutting width	72 inches 182 cm
Weight	448 lbs 203 kg
Overall width	85 inches 215 cm
Cut height	1 to 9.6 inch 2 to 24 cm

John Deere 485 Backhoe
Backhoe type	John Deere 485 Backhoe
Weight	1460 lbs 662 kg
Transport height	90 inches 228 cm
Digging depth	105 inches 266 cm
Reach from pivot	142 inches 360 cm
Loading height	88 inches 223 cm
Bucket Rotation	180°
Swing Arc	180°
Bucket force	3730 lbs 1691 kg
Dipperstick force	2435 lbs 1104 kg