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Massey Ferguson 8250 Specs

Massey Ferguson 8250 Engine Specifications

Engine Model - Valmet 634
Number of cylinders - 6
Turbocharger - Yes
Air / Air intercooler - Yes
Bore (mm) - 108
Stroke (mm) - 134
Capacity (l) - 7.4
Rated power (ISO Kw) - 136
At engine speed (rpm) - 2200
Maximum torque (ISO Nm) - 797
Engine speed at maximum torque - 1400
Idle speed - 950
Maximum power speed (rpm) - 2200
Maximum speed at no load (rpm) - 2354
Lubrication by gear pump - suction strainer and interchangeable external cartridge filters
Valves - Overhead valves operated by pushrods
Rocker arm clearance (cold) Inlet, mm - 0.35
Rocker arm clearance (cold) Exhaust, mm - 0.35
Engine oil cooler - Yes
Fuel filter - Yes
No. of elements - 2
Injection pump - Bosch
Injectors and nozzle holder - Stanadyne
Two-stage air filter, a dry filter element with a filter-clogging indicator.
Start up in cold weather - Thermostart
Cooling system mode - Thermostat controlled, open temperature: 82C.
Fan - Viscostatic releasable type
Water pump - belt-driven
Fan belt tension - 15 mm (0.6") to 20 mm (0.8") on the longest run
Voltage - 12 volt, negative to ground
Batteries - 2 maintenance-free batteries
Alternator - 120 Amp.
Starter safety - Controlled by clutch pedal
Headlights - European dipped beam 40/45W
Parking lights - 5W
Direction indicators - 21W
Number plate light - 10W
Work lights - 55W-H3
Dials and signal lamp lighting - 3W-2W-1,2W
Roof light - 10W

MF 8250 Transmission

Transmission Type - Dynashift gearbox with power shuttle
32 forward speeds / 32 reverse speeds
Features - four ratios selectable without declutching, power shuttle
Power shuttle - clutch controlled 8 forward speed discs / 6 reverse speed discs
Creeper gearbox - 48 forward speeds / 48 reverse speeds
Filtering - 1 x 60 micron suction strainer
Final Reduction drive units - Epicyclical, located in rear axle housings.
Final Reduction ratios (Composite) - 7.14:1

Massey Ferguson 8250 Power take-off

Interchangeable shaft - 540 (6 splines) or 1000 rpm (21 splines) at engine speed of 2000 rpm.
Shiftable - with 540 rpm or 1000 rpm interchangeable end
750 rpm economy PTO - 750 rpm at engine speed of 2000 rpm (6 splines, shaft 35 mm / 20 splines shaft 44.5 mm or 21 splines shaft 35 mm)

Front axle

Front axle Model - Carraro 20.43 (4-wheel drive)
Suspension - Option available
Clutch mechanism - Electro-hydraulically controlled from a button on the armrest inside the cab
Differential lock - Differential lock coupling is electro-hydraulically controlled
Lock - oil-bath clutch (Carraro 20.43 front axles)
Gear ratios (Carraro 20.43) - 20.769/1 From K116015

MF 8250 Steering and Brakes

Brakes Type - disc brakes, two discs per wheel with double reduction unit constant flow lubrication, external dia. 313 mm.
Lining internal dia - 239 mm.
Operation - Hydraulic, using two master cylinders.
Parking brake - operates on intermediate shaft of drive pinion.
Park lock - mechanically locks the intermediate shaft of the drive pinion.
Rear differential lock Type - 5'' or 7'' multidisc (according to version) in oil bath, standard torque
Control - Electrically controlled hydraulics
Steering Type - Hydrostatic, telescopic or fixed tilting steering column two double action steering rams
Front Wheels (4 wheel drive) - adjustable steel rims
Rear Wheels - steel rims (fixed or adjustable), manually adjustable pressed steel rim with cast iron disc

Hydraulics and Hitch

Type - Closed centre hydraulic circuit with flow and pressure regulation
Hydraulic circuit - 110 l/min at 200 bar
Pump Type - variable displacement pump
Valves - 3
Pump flow - 27.7 gpm (104.8 lpm)
Rear Type - 3
Hitch lift - 14000 lbs (6350 kg)

Massey Ferguson 8250 Capacities

Fuel tank with additional reserve - 410 L
Cooling system - 34 L
Engine sump - 19 L
Transmission / rear axle Dynashift gearbox (Composite) - 114 L
Carraro 20.43 fixed front axle assembly - 6 L
Carraro 20.43 front final drive unit (each) - 1.3 L
Composite rear final drive drive units (each) - 4,5 L

Dimensions and Weights

Wheelbase, mm - 3075
Overall length (with 3PT, without front weights), mm - 5111/5201
Height to roof (cab tractor), mm - 3042
Overall width, mm - 2998
Ground clearance, mm - 453
Front tyres - 16.9R30
Rear tyres - 20.8 R42
Min. weight (with full tank, without extra weight steel wheels) - 8295 kg