John Deere 3120

John Deere 3120The John Deere 3120 is a 4WD compact utility tractor from the 3000 Twenty series. This tractor was manufactured by John Deere in Augusta, Georgia, USA from 2005 to 2008. The John Deere 3120 is equipped with a 1.5 L three-cylinder diesel engine and hydrostatic transmission with infinite (3-range) forward and reverse gears.

The JD 3120 compact utility tractor used the Yanmar 3TNV84 engine. It is a 1.5 L, 1,496 cm2, (91.3 cu·in) three-cylinder natural aspirated diesel engine with 84.0 mm (3.31 in) of the cylinder bore and 90.0 mm (3.54 in) of the piston stroke. The compression ratio rating is 18.5:1. This engine produced 30.0 PS (22.0 kW; 29.5 HP) at 2,600 rpm of output power and 90.4 N·m (9.2 kg·m, 66.6 ft·lb) at 1,560 rpm of torque.

The John Deere 3120 is equipped with power steering, wet disc brakes, open operator station with two-post ROPS and 51.0 liters (13.5 US gal.; 11.2 Imp. gal) fuel tank.

Following attachments are available for the JD 3120 compact utility tractor:

  • Mid-mount John Deere 60 in (1,520 mm) mower deck with 3-blades
  • John Deere 300X loader
  • John Deere 300CX loader
  • John Deere 47 backhoe

John Deere 3120 Specifications

General Specifications
Model John Deere 3120
Length 3,050 mm (120.1 in)
Width 1,330 mm (52.4 in)
Height (ROPS) 2,360 mm (92.9 in)
Wheel base 1,720 mm (67.7 in)
Weight 1,360 kg (2,998 lbs)
Fuel tank capacity 51.0 liters (13.5 US gal.; 11.2 Imp. gal)
Battery 12V, CCA 500A
Cabin type Open operator station with two-post ROPS
Engine
Engine model Yanmar 3TNV84
Engine type Four-stroke, liquid-cooled, inline
Cylinders 3
Fuel type Diesel
Displacement 1.5 L, 1,496 cm2, (91.3 cu·in)
Bore and stroke 84.0 mm X 90.0 mm (3.31 in X 3.54 in)
Compression ratio 18.5:1
Horsepower 30.0 PS (22.0 kW; 29.5 HP) at 2,600 rpm
Torque 90.4 N·m (9.2 kg·m, 66.6 ft·lb) at 1,560 rpm
Starter Electric
Oil capacity: 4.8 L (5.1 US. qt, 4.2 Imp. qt.)
Coolant capacity: 5.3 L (5.6 US. qt, 4.7 Imp. qt.)
Transmission and chassis
Chassis 4×4 MFWD 4WD
Steering type Power
Brakes Wet disc
Front axle 4.5 L (4.8 US qts., 4.0 Imp. qts.)
Transmission model Sauer-Danfoss eHydro
Transmission type Hydrostatic
Gears Infinite (3-range) forward and reverse
Speed Forward: 30.6 kmh (19 mph) Reverse: 30.6 (19 mph)
Tires
Front tires Ag: 7-14
Rear tires Ag: 11.2-24
Three-Point Hitch
Caterogy I
Control type
Lift capacity (at ends) 1,150 kg (2,540 lbs)
PTO (Power take-off shaft)
Middle PTO type Independent
Middle PTO speed 2,100 rpm
Rear PTO type Independent
Rear PTO speed 540 rpm
Hydraulic system
Hydraulic type Open center
Hydraulic capacity 25.7 L (27.16 US. qt, 22.61 Imp. qt.)
Valves 5
Pump flow 8.6 gpm (32.6 lpm)
Steering flow 5.3 gpm (20.1 lpm)
Total flow 13.9 gpm (52.6 lpm)
ATTENTION! Dear visitors, this site is not a trading platform, an official dealer or a spare parts supplier, so we do not have any price lists, spare parts catalogs, service or owner manuals. We are an information portal and provide the technical specifications.

We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

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