Specifications, Service and Repair of Farm and Lawn Tractors

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Massey Ferguson 3645 Tractor Specifications

MF 3645 Engine Data

Engine Model - AGCO Sisu Diesel 33DTA
Engine Type - Turbocharged Intercooled Diesel
Engine Power Rated, hp (kw) - 91,0 (67,9)
Rated Engine Speed, rpm - 2200
Maximum Torque Speed, rpm - 1400
Fuel Tank, gal (litres) - 29,0 (109,7)
Cylinders - 3
Displacement, cu in (litres) - 201,0 (3,3)
Engine Bore, in (mm) - 4,25 (108,0)
Engine Stroke, in (mm) - 4,72 (120,0)
Firing order - 1-2-3
Aspiration - Turbocharged
Fuel System Type - Pump System
Fuel System Control - Mechanical
Fuel Injection to combustion chamber - Direct injection
Cooling System - Liquid cooled
Electrical Rating, Volts - 12
Alternator - 80A
Battery - 12V, 105 Ah
Starter - 12 V/3,0 kw

Massey Ferguson 3645 Transmission

Standard Transmission - 12 Forward x 12 Reverse
Transmission Type - Synchro Shuttle
Forward / Reverse Speeds - 12F / 12R
Maximum Speed Forward, mph (kph) - 18,6 (30,0)
Reverser - Synchro Reverse
Differential - Mechanical lock
Optional Transmission - 24 Forward x 24 Reverse
Transmission Type - Synchro Shuttle and Power Splitter
Forward / Reverse Speeds - 24F / 24R
Maximum Speed Forward, mph (kph) - 18,6 (30,0)
Reverser - Synchro Reverse
Splitter - Power

Massey Ferguson 3645 Power Take Off

PTO Horsepower, hp (kW) - 91,1 (68,0)
Power Take Off Speeds, rpm - 540/540E/1000
PTO Type - Independent
Ground speed PTO - Opt.

MF 3645 Hydraulic System and Hitch

Hydraulic System Type - Open Center
Maximum Pressure, Bar (psi) - 190 (2757)
Standard Pump Flow, gpm (Lpm) - 15,8 (59,8)
Total Flow, gpm (Lpm) - 22,4 (84,8)
Standard Remote Valves (Rear/Mid) - 1 to 3 / 2
3-Point Hitch - Rear Type
Hitch Category - 2/1
Draft Sensing or Lift Control - Mechanical with draft, position and rate-of-drop control
Draft Link Ends Adjustable - Optional
Max. Lift Capacity at lift ends, lb (kg) - 5515 (2500)

Mechanical

Drive Wheels - 2WD/4WD
Steering Wheels - Front Steer
Steering - Hydrostatic
Steering Column - Telescopic and Tiltable
Brakes Type - Oil-cooled disc brakes
Brake System Oil Capacity, qt (litres) - 0,36 (0,34)
Final Drive Capacity, qt (litres) - 0,63 (0,6)
Axle Housing Capacity, qt (litres) - 5,8 (5,5)

Massey Ferguson 3645 Treads and Tires

Front Tire Size Width (2WD) - 7,50-16
Front Tire Size Width (4WD) - 11,2R24
Rear Tire Size Width - 16,9R30
Front Tread (2WD), in (mm) - 56,5 to 81,4 (1430 to 2060)
Front Tread (4WD), in (mm) - 54,5 to 75,3 (1380 to 1910)
Rear Tread, in (mm) - 59,2 to 75,0 (1500 to 1900)

MF 3645 Dimensions and Weight

Wheelbase, in (mm) - 81,9 (2075)
Length, in (mm) - 148,0 (3750)
Height (ROPS), in (mm) - 99,0 (2510)
Height (Cabine), in (mm) - 101,2 (2565)
Overall Width, in (mm) - 76,0 (1930)
Clearance (Front Axle), in (mm) - 14,6 (360)
Weight (2WD ROPS), lb (kg) - 5071 (2300)
Weight (4WD ROPS), lb (kg) - 5512 (2500)
Weight (2WD Cabine), lb (kg) - 6174 (2800)
Weight (4WD Cabine), lb (kg) - 7055 (3200)

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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