Engine - MASSEY FERGUSON MF400Xtra Workshop Manual

Technical specifications
01

1. Engine

Mark ........................................................................................................... MWM
Model ......................................................................................................... A4-3.9
Engine (LP) code ....................................................................................... 8C72 and 8C73
Ar intake ..................................................................................................... Natural
Number of cylinders .................................................................................. 4
Injection order ........................................................................................... 1-3-4-2
Compression ratio ..................................................................................... 16,0:1
Piston stroke - mm .................................................................................... 127,00
Cylinder bore - mm.................................................................................... 98,40
Capacity - cm³ ........................................................................................... 4.100
Maximum power (hp) @ rpm (NBR5484) ................................................. 65,0@2200
Maximum torque (N.m) @ rpm (NBR5484) .............................................. 235,5@1400
Lubrication system
Filtering ...................................................................................................... All have integral flow filters
Type ........................................................................................................... Pressure-fed, with gear pump (relief valve built-in).
Heat exchanger ......................................................................................... No
Air system
Filter - type ................................................................................................. Dry filter with 2 elements (primary and secondary). Equipped with a cyclonizer and restriction indicator with warning light on the panel. In tractors which are not equipped
Pre-filter (optional) ..................................................................................... O4 type with cyclonizer, and can be equipped with an automatic dust ejector.
Fuel Supply System
Pre-filter / separation - number of elements ............................................. There is 1 pre-filter or 2 sedimenters, which separate larger residues and decant water contained in the fueld.
Filter system - number of elements .......................................................... 1
Injection pump (or transfer): ..................................................................... Diaphragm type, activated by means of a lever and a cam in the camshaft. The pump has a knob or lever used to bleed the fuel system. The tractor with 1104 engine has
Injection pump - Marck ............................................................................. Delphi
Injection pump - type ................................................................................ DP100
01B01-2
MF 425 MF 435 MF 440
MWM / Perkins MWM / Perkins
DSA / Tier II
A4-4.1 / 1104C-44 A4-4.1
8C74 / RE 37827 8C84 / RE 37830
8C75 8C85
8C77
Natural Natural
4 4
1-3-4-2 1-3-4-2
16:1 / 19.3:1 16:1 /19.3:1
127,00 127,00
101,0 / 105 101,0 / 105
4.100 / 4.400 4.100 / 4.400
75,0@2200 / 72@2200 85@2200 / 80@2200
279@1400 / 292@1400 289@1400 / 328@1400
No No
with a dust ejector, there is a valve to discharge the accumulated dust, located on the filter front end.
1 1
an electric supply pump incorporated to the fuel filter head.
Delphi / Bosch Delphi / Bosch
DP100 / EPVE DP100 / EPVE
MF 445 MF 455
MWM Perkins
A4-4.1 1104C-44T
8C84 RG 37829
8C85
Natural Turbo
4 4
1-3-4-2 1-3-4-2
16:1 18,23:1
127,00 127,00
101,0 105
4.100 4.400
85@2200 97@2200
289@1400 402@1400
No No
1 1 1
Delphi Delphi
DP100 DP210
MF 460 MF 470 MF 480
SISU SISU SISU
420DS / Tier II 420DS / Tier II 420 DSA / Tier II
- - -
Turbo Turbo Turbo
4 4 4
1-3-4-2 1-3-4-2 1-3-4-2
16,5:1 16,5:1 16,5:1
120,00 120,00 120,00
108,00 108,0 108,0
4.400 4.400 4.400
110@2200 120@2200 130@2200
420@1400 480@1400 500@1400
Yes Yes Yes
1 1
Delphi Delphi Delphi
DP100 DP100 DP100
4 2 0
MF 400Xtra