John Deere 3120 Specs ( 1969-1972 )
Production
| Description | Row-Crop tractor / Built in Mannheim, Baden-Württemberg, Germany |
|---|---|
| Manufacturer | John Deere |
Engine
| Engine type | John Deere 5.0L 6-cyl diesel |
|---|---|
| Fuel tank | 28 gal (106.0 L) |
| Bore/Stroke | 3.86x4.33 inches (98 x 110 mm) |
| Compression | 16.7:1 |
| Coolant capacity | 20 qts (18.9 L) |
| Description | John Deere / diesel / 6-cylinder / liquid-cooled |
| Displacement | 303 ci (5.0 L) |
| Emissions | Tier II |
| Firing order | 1-5-3-6-2-4 |
| Fuel system | direct injection |
| Idle RPM | 600-2360 |
| Oil capacity | 11 qts (10.4 L) |
| Power | 29.5 hp (22.0 kW) |
| Power (gross) | 86 hp (64.1 kW) |
| Power (net) | 80 hp (59.7 kW) |
| Rated RPM | 2200 |
| Starter | electric |
| Starter volts | 12 |
| Torque | 220 lb-ft (298.3 Nm) |
| Torque RPM | 1450 |
| Engine (gross) | 86 hp (64.1 kW) |
| Engine (net) | 80 hp (59.7 kW) |
| PTO (claimed) | 70 hp (52.2 kW) |
Transmission
| Clutch | dry disc |
|---|---|
| Description | Three synchronized gears in two ranges, plus reverse range, with two-speed high-low shift. Tractor must be stopped, and clutch used, to shift range. |
| Gears | 12 forward and 6 reverse |
| Transmission | Sauer-Danfoss eHydro |
| Transmission type | 12-speed twos-peed power shift |
| Type | twos-peed power shift |
Mechanical
| Cab | Open operator station. Two-post ROPS available. |
|---|---|
| Description | Power steering / Hydraulic wet disc brakes |
| Differential lock | mechanical rear |
| Drive type | Two-wheel drive |
| Final drives | planetary |
| Steering | power |
Capacity
| Fuel | 13.5 gal (51.1 L) |
|---|---|
| Hydraulic system | 6.8 gal (25.7 L) |
Hydraulics
| Capacity | 6.8 gal (25.7 L) |
|---|---|
| Pressure | 2250 psi (155.1 bar) |
| Pump flow | 8.6 gpm (32.6 lpm) |
| Total flow | 13.9 gpm (52.6 lpm) |
| Type | closed center |
| Valves | 5 |
Hitch
| Rear lift (at ends) | 2530 lbs (1147 kg) |
|---|---|
| Rear Type | II |
PTO
| Mid PTO | optional |
|---|---|
| Mid PTO Type | 2100 |
| Rear PTO | independent |
| Rear PTO Type | 540/1000 |
Electrical
| Battery AH | 88 |
|---|---|
| Battery CCA | 500 |
| Battery volts | 12 |
| Charging amps | 40 |
| Ground | negative |
Dimensions & Tires
| Clearance (rear axle) | 12.2 inches (30 cm) |
|---|---|
| Height (exhaust) | 94.3 inches (239 cm) |
| Height (hood) | 57 inches (144 cm) |
| Height (ROPS) | 93.3 inches (236 cm) |
| Height (steering wheel) | 65.4 inches (166 cm) |
| Length | 160 inches (406 cm) |
| Rear tread | 40.6/45.3/48.9/53.1/56.6 inches (103/115/124/134/143 cm) |
| Shipping weight | 7717 lbs (3500 kg) |
| Weight | 3000 lbs (1360 kg) |
| Wheelbase | 97 inches (246 cm) |
| Width | 52.4 inches*Minimum (133 cm) |
| Front tire | 7.50-18 |
| Rear tire | 16.9/14-34 |
| Weight | 7717 lbs (3500 kg) |
| Wheelbase | 97 inches (246 cm) |
| Ag front | 7.50-18 / 7.50-16 |
| Ag rear | 16.9/14-34 / 18.4/15-34 |
| Industrial front | 25x8.5-14 / 27x8.5-15 |
| Industrial rear | 15-19.5 / 43x16-20 |
| Lawn/turf front | 27x8.5-15 / 25x10.5LL-15 |
| Lawn/turf rear | 41x14-20 / 41x18LL-16.1 |
3120 Serial Numbers
| 2005 | 110001 |
|---|---|
| 2006 | 210001 |
| 2007 | 310001 |
| 2008 | 410001 |
| Description | FAQ: How to read a serial number table. |
| Location: | Serial number plate on the right side of the 3120 tractor frame, above the front axle. |
John Deere 3120 attachments
| Description | 60" mid-mount mower deck / front-end loader / backhoe |
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References
| Description | Derneue 3120 - der Schlepper mit hochster Nutzkraft published in 1969, by John Deere / 3120 (OML25968) published in 1969 |
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Speeds
| Description | With 16.9/14-34 rear tires. |
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