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Massey Ferguson 8260 Specs

MF 8260 Engine Specifications

Engine Model - Valmet 634
Number of cylinders - 6
Turbocharger - Yes
Air / Water intercooler - Yes / No
Air / Air intercooler - No / Yes
Bore (mm) - 108
Stroke (mm) - 134
Capacity (l) - 7.4
Rated power (ISO Kw) - 162 / 172
At engine speed - 2200
Maximum torque (ISON Nm) - 878 / 980
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/Bosch
Type - two stage air filter, dry filter element with filter clogging indicator.
Start up in cold weather - Thermostart
Voltage - 12 volt, negative to ground
Batteries - 2 maintenance-free batteries
Alternator - 120 Amp.
Starter safety - Controlled by clutch pedal
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

Massey Ferguson 8260 Transmission

Transmission Type - Full Powershift gearbox
Speeds - 17 or 18 forward (depending on 30 km/h or 40 km/h version) and 8 reverse
Clutches - 9 clutches controlled by solenoid valves
Creeper gearbox - 34 or 36 forward speeds (depending on 30 km/h or 40 km/h version) and 16 reverse speeds
Hydraulics - Gerotor pump, capacity 110 l/min at 2200 rpm provides (for lubrication and supply of clutches, cooling system and boosting of) the master cylinders.
Filtering - 1 x 150 micron suction strainer, located inside the housing
External - 15-micron filter, 3-way filter protects solenoid valves from particles.
Final reduction drive units - Epicyclical, located in rear axle housings.
Reduction ratios (Dual) - 9.47:1

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)

MF 8260 Mechanical

Front axle - Dana AG200 (4WD)
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 - hydromechanical dog coupling on Dana AG200 front axles
Gear ratios (AG200) - 20.475/1
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 - 7'' Multi-disc in oil bath, hypoid 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

Massey Ferguson 8260 Hydraulics and Hitch

Type - Closed centre hydraulic circuit with flow and pressure regulation.
Circuits - 150 l/min at 200 bar (Full Powershift gearbox)
Booster pump - maximum flow 150 l/min or 215 l/min (150 l/min hydraulic circuit) at 2200 rpm guaranteeing a constant 5 bar boost for the variable displacement pump, also
provides lubrication for the rear axle.
Low pressure circuit for Full Powershift gearbox - 17 bar pressure
Steering - 17 bar valve
Auxiliary spool valves - hydraulic lift system
Filtering - 1x150 micron suction strainer located on the left-hand side of the transmission housing.
Main external high-pressure - 15-micron oil filter, located on the righthand side of the transmission housing.
Hitch Type - 3-point hitch, category 3
Position of lift rod on drawbar (mm) - 600
Length of lift rod (mm) - 838/915
Horizontal drawbar (Kg) - 9475/9667
Drawbar in transport position (Kg) - 12001/11252

Capacities

Fuel tank with additional reserve - 410 L
Cooling system - 34 L
Engine sump - 19 L
Transmission / rear axle Full Powershift gearbox - 147 L
AG200 front axle assembly 8260 - 10.2 L
AG 200 front final drive unit (each) 8260 - 1,8 L
Composite rear final drive drive units (each) - 4,5 L

MF 8260 Dimensions and Weights

Wheelbase, mm - 3075
Overall length (with 3PT, without front weights), mm - 5251
Height to roof (cab tractor), mm - 3038
Overall width, mm - 3007
Ground clearance, mm - 453
Front tyres - 480/70
Rear tyres - 620/70 R42
Min. weight (with full tank, without extra weight steel wheels) - 8850 kg