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John Deere 4120

John Deere 4120 tractor
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The John Deere 4120 is a compact utility tractor produced from 2004 to 2014 as part of the 4000 Twenty Compact Series. It features a 2.4L 4-cylinder turbocharged diesel engine producing 43.1 hp, with options for 12-speed PowrReverser or hydrostatic eHydro transmissions. The tractor includes four-wheel drive, hydrostatic power steering, and ROPS for safety. It has a fuel capacity of 14.5 gallons and an open center hydraulic system with 10.3 gallons capacity. The 4120 supports a rear PTO of 540 rpm and an optional mid PTO. Dimensions include a 71.5 inch wheelbase, 128.2 inch length, and a weight of 3700 lbs. Attachments include a 72" mid-mount mower deck, loaders (400X and 400CX), and a John Deere 485 backhoe, making it versatile for various tasks.
John Deere 4120compact utility tractor2.4L diesel engine43 hp tractorPowrReverser transmissioneHydro transmission4000 Twenty Compact Seriestractor attachmentsloaderbackhoe
Power43 hp
Founded2004 - 2014
Model4120

Technical Specifications

Detailed specifications and technical data for John Deere 4120

Power

Engine power:43.1 hp (32.1 kW)
PTO (claimed):35 hp (26.1 kW)

Engine

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

Capacity

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

Electrical

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

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)

Mechanical

ROPS:Yes
Drive:Four-wheel drive
Steering:hydrostatic power

Production

Type:Compact Utility tractor
Series:4000 Twenty Compact Series
Built in:Augusta, Georgia, USA
Years produced:2004 - 2014

Attachments

Overview:72" mid-mount mower deck, John Deere 400X loader, John Deere 400CX loader, Backhoe
400X Loader:2346 lbs lift (full at pin) (1064 kg), 1720 lbs lift (full at 500mm) (780 kg), 2701 lbs lift (1.5m at pin) (1225 kg), 2154 lbs lift (1.5m at 500mm) (977 kg), 3453 lbs breakout (at pin) (1566 kg), 2606 lbs breakout (at 500mm) (1182 kg), 3289 lbs breakout (bucket) (1491 kg), 46° dump, 24.4 inches reach (dumped) (61 cm), 64.3 inches reach (ground) (163 cm), 32° rollback (ground line), 117° rollback (raised), 112.8 inches height (at pin) (286 cm), 89.5 inches clearance (dumped) (227 cm), 104.8 inches clearance (level) (266 cm), weight 927 lbs (420 kg), Bucket width 61 inches (154 cm), Bucket width 73 inches (185 cm)
400CX Loader:2368 lbs lift (full at pin) (1074 kg), 1742 lbs lift (full at 500mm) (790 kg), 2734 lbs lift (1.5m at pin) (1240 kg), 2181 lbs lift (1.5m at 500mm) (989 kg), 3435 lbs breakout (at pin) (1558 kg), 3055 lbs breakout (at 500mm) (1385 kg), 4638 lbs breakout (bucket) (2103 kg), 45° dump, 24.8 inches reach (dumped) (62 cm), 64.7 inches reach (ground) (164 cm), 43° rollback (ground line), 43° rollback (raised), 112.8 inches height (at pin) (286 cm), 89.7 inches clearance (dumped) (227 cm), 104.8 inches clearance (level) (266 cm), weight 1100 lbs (498 kg), Bucket width 61 inches (154 cm), Bucket width 73 inches (185 cm)
72" Mower deck: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: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)

Transmission

Types:PowrReverser, eHydro
Options:12-speed, hydrostatic
eHydro type:hydrostatic
eHydro gears:infinite forward and reverse
PowrReverser gears:12 forward and reverse
eHydro oil capacity:38.4 qts (36.3 L)
PowrReverser oil capacity:41.2 qts (39.0 L)

Tractor hitch

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

Dimensions & Tires

Width:65.6 inches (R1 tires) (166 cm)
Length:128.2 inches (325 cm)
Weight:3700 lbs (1678 kg)
Rear tire:13.6-28
Wheelbase:71.5 inches (181 cm)
Front tire:8.00-16
Max Drawbar:1,103 lbs (500 kg)
Height (ROPS):97.2 inches (246 cm)
Height (hood):62 inches (157 cm)

Power Take-off (PTO)

Mid PTO:independent (optional)
Rear PTO:independent
Mid PTO Type:2100
Rear PTO Type:540