Specifications, Service and Repair of Farm and Lawn Tractors

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Massey Ferguson 3120 Tractor Technical Information

Massey Ferguson 3120 Engine Specifications

Engine Model - Perkins 1006
Engine Type - Diesel, 4 Stroke, 6-Cyl. In-line
Engine Horsepower, hp (kw) - 111,5 (84,5)
Rated Engine Speed, rpm - 2200
Number of cylinders - Six
Engine Bore, in (mm) - 3,96 (98,5)
Engine Stroke, in (mm) - 5,04 (127,0)
Maximum torque, Nm - 436
Engine speed at maximum torque, Nm - 1100
Idling speed, rpm - 850
Torque at rated speed, Nm - 367
Fuel Tank, gal (litres) - 45,6 (173,0)
Displacement, cu in (litres) - 365,0 (6,0)
Compression ratio - 16:1
Firing order - 1-5-3-6-2-4
Induction system - Naturally Aspirated
Combustion system - Direct injection
Fuel Injection Pump - Rotary
Fuel System Control - Mechanical
Fuel Injection to combustion chamber - Indirect
Lubricating System - Gear type pump
Cooling System - Pressurized system with centrifugal pump
Coolant Capacity, gal (litres) - 6,6 (25,0)
Engine Oil Capacity, gal (litres) - 4,3 (16,5)
Fuel filter with sediment bowl - СAV, two elements
Injection timing, deg - 22
Cold weather starting - Thermostart or ether, according to market
Air cleaner - Two-stage, dry element, with centrifugal prefilter and blockage indicator
Fan Drive - Belt, deflection 10 mm
Electrical Rating, Volts - 12
Batteries - 2
Starter - 12V
Alternator Rating, Amps - 65

MF 3120 Transmission

Transmission Type - 32F/32R SpeedShift (48F/48R with creeper)
Forward Gears - 32 (48)
Reverse Gears - 32 (48)
Maximum Travel Speed - 37.4 km/h
Clutch - Dry single disc
Clutch Type - Diaphragm pull-type
Disc diameter - 330 mm (13 in)
Clutch adjustment - Automatic

Massey Ferguson 3120 Power Take Off

Rear PTO Type - Independent
Rear PTO Power, hp (kW) - 104,2 (77,7)
Rear PTO Speeds, rpm - 540 at 1980 engine rpm / 1000 at 2000 engine rpm
Rear PTO Shaft Diameter, in (mm) - 1,39 (35,0)
Front PTO - Optional
Front PTO Horsepower, hp (kW) - 100,2 (74,6)
Front PTO Speeds, rpm - 1000 at 2040 engine rpm

MF 3120 Hydraulic System

Hydraulic System Type - Open Center
Hydraulic/Steering Pump Type - Gear
Hydraulic Pump Flow, gpm (Lpm) - 13,2 (50,0)
Steering Pump Flow, gpm (Lpm) - 7,6 (29,0)
Hydraulic System Pressure, bar - 185
Steering System Pressure, bar - 17,5
Standard Remote Valves - 0 to 3

Massey Ferguson 3120 3-Point Hitch

Hitch Type - 3-Point with fixed, telescopic or quick attach hook ball ends
3-Point Hitch Category - 2
Rams - Twin externally mounted
Ram diameter, in (mm) - 2,87 (73,0)
Position of lift rod on lower links, mm - 550/650
Length of lift rods, mm - 595-827
Lift Capacity at lower links (horizontal), lb (kg) - 11975-11037 (5425-5000)
Lift Capacity at full raised (550 mm), lb (kg) - 14370-11230 (6510-5087)
Lift Capacity at lower links (horizontal), lb (kg) - 17950-12640 (8130-5727)
Lift Capacity at full raised (650 mm), lb (kg) - 15710-12350 (7117-5595)

Mechanical

Drive Wheels - 2WD/4WD
Front Axle Differential Lock - Front and rear differential lock-hydraulic with electrical control
Rear Axle Differential Lock - Positive clutch, hydraulic, with electrical control
Steering Wheels - Front Steer
Steering - Hydrostatic
Steering Column Type - Fixed or tiltabte telescopic
Steering Ram Diameter (2WD/4WD), mm - 68,0/63,0
Steering Rod Diameter (2WD/4WD), mm - 45,0/32,0
Brake Type - Oil-immersed single disc per wheel
Brake Disc Outer Diameter, in (mm) - 13,9 (355)
Brake Disc Inner Diameter, in (mm) - 11,4 (290)
Hand Brake - Operates on the rear axle bevel drive pinion
Front Axle Assembly Capacity, gal (litres) - 1,7 (6,5)
Front Final Reduction Units (each) Capacity, gal (litres) - 0.5 (1,8)
Rear Axle Capacity, gal (litres) - 16,9 (64,0)

MF 3120 Dimensions and Weight

Front Tires - 13.6-28
Rear Tires (2WD/4WD) - 18.4-34 / 18.4-38
Wheel Base (2WD), in (mm) - 106,1 (2696)
Wheel Base (4WD), in (mm) - 106,3 (2799)
Ground Clearance, in (mm) - 17,4 (442)
Steering Angle (2WD), Inner/Outer, deg - 56/43
Steering Angle (4WD), Inner/Outer, deg - 43/38.5
Turning Radius (2WD), without brake/with brake, in (mm) - 171,5/150,8 (4320/3800)
Turning Radius (4WD), without brake/with brake, in (mm) - 186,5/170,6 (4700/4300)
Overall Length with Drawbar, in (mm) - 173,3 (4402)
Height (Cabine), in (mm) - 109,0 (2768)
Height (Platform), in (mm) - 81,4 (2068)
Overall Width, in (mm) - 107,6 (2733)
Operating Weight (2WD), lb (kg) - 9249 (4190)
Operating Weight (4WD), lb (kg) - 10132 (4590)

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MF TRACTORS SPECIFICATIONS

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MF FRONT END LOADERS

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MF TRACTORS MAINTENANCE

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MF TRACTORS TROUBLESHOOTING
1652 1749 2620 2725 2805
3050 3120 3640 3709 4245
4455 5320 5455 5613 6150
6280 6480 6615 7618 7720