John Deere
John Deere 1120
The John Deere 1120 is a utility tractor produced from 1967 to 1975. Built in Mannheim, Germany, it features a 2.7L 3-cylinder diesel engine delivering 51 hp net and 53 hp gross. It offers 8-speed partially synchronized and 16-speed two-speed power shift transmissions. The tractor has a two-wheel drive with planetary final drives and mechanical rear differential lock. It includes hydraulic wet disc brakes and an open operator station with optional two-post fixed ROPS. The hydraulic system is closed center with 10 gal capacity and 2250 psi pressure. The rear hitch is category II/I with position and draft control and a lift capacity of 3570 lbs. PTO options include live rear PTO with 540/1000 rpm and optional independent front and rear PTOs. Dimensions include an 80.7 inch wheelbase, 5557 lbs weight, and various tire options. Electrical system features a negative ground alternator charging system with 28-55 amps and 12 volt batteries.
Power53 hp
Founded1967 - 1975
Model1120
Technical Specifications
Detailed specifications and technical data for John Deere 1120
Power
| Engine (net) | 51 hp (38.0 kW) |
|---|---|
| PTO (claimed) | 45 hp (33.6 kW) |
| Engine (gross) | 53 hp (39.5 kW) |
Engine
| Type | diesel, 3-cylinder, liquid-cooled |
|---|---|
| Model | John Deere 2.7L 3-cyl diesel |
| Torque | 123 lb-ft (166.8 Nm) |
| Starter | electric |
| Idle RPM | 650-2650 |
| Rated RPM | 2500 |
| Torque RPM | 1350 |
| Air cleaner | dry |
| Bore/Stroke | 4.02x4.33 inches (102 x 110 mm) |
| Fuel system | direct injection |
| Power (net) | 51 hp (38.0 kW) |
| Displacement | 164.5 ci (2.7 L) |
| Firing order | 1-2-3 |
| Oil capacity | 6 qts (5.7 L) |
| Operating RPM | 1400-2500 |
| Power (gross) | 53 hp (39.5 kW) |
| Starter volts | 12 |
| Coolant capacity | 11 qts (10.4 L) |
| Compression ratio | 16.7:1 |
| Intake valve clearance | 0.014 inches (0.356 mm) |
| Exhaust valve clearance | 0.018 inches (0.457 mm) |
Capacity
| Fuel | 16.5 gal (62.5 L) |
|---|---|
| Hydraulic system | 10 gal (37.9 L) |
Electrical
| Ground | negative |
|---|---|
| Batteries | 2 |
| Battery volts | 12 |
| Charging amps | 28, 33, 55 |
| Charging volts | 14 |
| Charging system | alternator |
Hydraulics
| Type | closed center |
|---|---|
| Capacity | 10 gal (37.9 L) |
| Pressure | 2250 psi (155.1 bar) |
| Pump flow | 12.9 gpm (48.8 lpm) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Hydraulic wet disc brakes |
| Steering | manual, power (optional) |
| Final drives | planetary |
| Operator station | Open operator station. Two-post fixed ROPS available. |
| Differential lock | mechanical rear |
Production
| Type | Utility tractor |
|---|---|
| Built in | Mannheim, Baden-Württemberg, Germany |
| Years produced | 1967 - 1975 |
Transmission
| Options | 8-speed partially synchronized, 16-speed two-speed power shift |
|---|---|
| 16-speed two-speed power shift | 16 forward and 8 reverse gears, four gears (1-4) in two ranges (I/II) plus reverse range, left-hand power shift lever on dash |
| 8-speed partially synchronized | 8 forward and 4 reverse gears, dry disc clutch, four synchronized gears in two ranges plus reverse range; tractor must be stopped and clutch used to shift range |
Tractor hitch
| Control | position and draft control |
|---|---|
| Rear Type | II/I |
| Rear lift capacity | 3570 lbs (1619 kg) |
Serial Numbers
| Location | Serial number plate on the right side of the tractor frame, above the front axle. |
|---|
Dimensions & Tires
| Width | 66.1 inches (167 cm) |
|---|---|
| Length | 135 inches (342 cm) |
| Weight | 5557 lbs (2520 kg) |
| Wheelbase | 80.7 inches (204 cm) |
| Rear tread | 53.1 to 76.7 inches (134 to 194 cm) |
| Front tread | 49.6 to 80.7 inches (125 to 204 cm) |
| Max capacity | 7720 lbs (3501 kg) |
| Height (ROPS) | 90.9 inches (230 cm) |
| Max rear axle | 5510 lbs (2499 kg) |
| Max front axle | 3285 lbs (1490 kg) |
| Height (exhaust) | 83.7 inches (212 cm) |
| Rear tire options | 12.4/11-36, 16.9/14-28, 14.9/13-28, 14.9/12-30, 16.9/14-30, 12.4/11-32, 13.6/12-36 |
| Front tire options | 7.50-16, 6.00-16, 6.50-16 |
Power Take-off (PTO)
| Rear PTO | live |
|---|---|
| Front PTO | independent (optional) |
| Engine RPM | 540@2100, 1000@2100 |
| Rear PTO Type | 540/1000 (1.375) |
| Front PTO Type | 1000 |
| Rear PTO optional | independent (optional) |
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