Specifications, Service and Repair of Farm and Lawn Tractors

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Massey Ferguson 3125 Tractor Specifications

Massey Ferguson 3125 Engine Data

Engine Model - Perkins 1006-6T
Number of Cylinders - 6
Cylinder Arrangement - In-line
Cycle - Four stroke
Displacement, cu in (litres) - 365,0 (6,0)
Nominal Bore, in (mm) - 3,937 (100,0)
Engine Stroke, in (mm) - 5,000 (127,0)
Engine Power Rated, hp (kw) - 126,0 (94,0)
Rated Engine Speed, rpm - 2200
Maximum Torque, Nm - 474
Engine Speed at Maximum Torque - 1200
Idling Speed, rpm - 850
Torque at Rated Speed, Nm - 401
Maximum No Load Speed, rpm - 2310
Fuel Tank, gal (litres) - 58,0 (220,0)
Compression ratio - 16.5:1
Firing order - 1-5-3-6-2-4
Direction of Rotation - Clockwise from the front
Induction System - Turbocharger
Lubricating Oil Pressure, KPa - 207
Cylinder Liners Type - Dry, interference fit, flanged
Lubricating Oil Pump Type - Differential rotor, gear driven
Number of Lobes (Inner rotor/Outer rotor) - 4/5
Oil Filter Type - Full flow, screw-on type canister
Fuel Lift Pump Type - A.C.Delco, type LU
Method of Drive - Eccentric on camshaft of engine
Fuel Filter Type - Twin parallel flow or single element
Coolant Pump Type - Centrifugal, gear driven
Thermostat Type - Twin, wax element, by-pass blanking
Cooling system, gal (litres) - 6,6 (25,0)
Engine Oil, gal (litres) - 4,3 (16,5)
Electrical System, Volt - 12/24V
Alternators Rating - 12V/60A
Rotation - Clockwise from drive end
Starter Motors - 12V or 24V
Starting Aid Type - Electrically operated heater, with a fuel supply

MF 3125 Transmission

Basic Transmission - 16 Forward x 16 Reverse
Transmission Type - Synchronized
Forward / Reverse Speeds - 16F / 16R
Creeper Gearbox - Opt.
Forward / Reverse Speeds With Creeper - 24F / 24R
Maximum Speed Forward, mph (kph) - 23,2 (37,3)
Optional Transmission - 32 Forward and 32 Reverse
Transmission Type - Dynashift, 4-Speed Powershift
Shuttle (Reverse) - Standard
Creeper Gearbox - Opt.
Forward / Reverse Speeds With Creeper - 48F / 48R
Clutch - Dry single disc
Clutch Type - Diaphragm pull-type
Disc Diameter, in (mm) - 13,0 (330)
Clutch Adjustment - Automatic
Reduction unit - Epicyclic, in the rear axle housings
Reduction ratios - 5,077 to 1

Massey Ferguson 3125 Power Take Off

Rear PTO Type - Independent
PTO power, hp (kw) - 116,2 (86,1)
Rear PTO Speeds - 540 at 1980 rpm / 1000 at 2000 rpm
Rear PTO Control - Lever in the cab
Front PTO - Optional
Front PTO Speeds - 1000 at 2040 rpm
Permissible front PTO power, hp (kw) - 101,8 (75,5)
Front PTO Control - Hydraulic, electrically actuated by push button in the cab
Economy PTO Type - Independent (optional)
Economy PTO Speeds - 540/1000 at 1550 rpm
Ground speed PTO (GSPTO) - Opt., 540/1000 rpm
GSPTO Control - From the normal PTO operating lever

MF 3125 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 3125 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)

MF 3125 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
Total stroke, mm (2WD) - 236
Ram stroke, mm (4WD) - 2x139
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) - 2,9 (11,0)
Front Final Reduction Units (each) Capacity, gal (litres) - 0.5 (1,8)
Rear Axle Capacity, gal (litres) - 16,9 (64,0)

Massey Ferguson 3125 Dimensions and Weight

Front Tires (2WD) - 12.4-28
Rear Tires (2WD) - 16.9-38 / 18.4-34
Front Tires (4WD) - 14.9-24
Rear Tires (4WD) - 18.4-38 / 16.9-38
Wheelbase (2WD), in (cm) - 106,1 (269,6)
Wheelbase (4WD), in (cm) - 106,2 (270,0)
Overall length with drawbar, in (cm) - 178,2 (453,0)
Height (cab tractor), in (cm) - 114,5 (290,8)
Overall width, in (cm) - 111,5 (283,2)
Ground clearance (under drawbar frame), in (cm) - 19,8 (50,2)
Height to steering wheel (platform models), in (cm) - 81,4 (206,8)
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 (m) - 171,5/150,8 (4,32/3,80)
Turning Radius (4WD), without brake/with brake, in (m) - 190,4/174,6 (4,80/4,40)
Total weight with full tank (2WD), lb (kg) - 10607 (4805)
Total weight with full tank (4WD), lb (kg) - 11126 (5040)

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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