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John Deere 1120

John Deere 1120 tractor
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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.
John Deere 1120tractorspecificationsenginetransmissionutility tractor2.7L diesel51 hpPTOhydraulicsdimensions
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)