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Massey Ferguson 491

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Massey Ferguson 491
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Massey Ferguson 491 VS
Farm Tractors
Production
Model Year 2004  
Production Manufacturer Massey Ferguson  7.8% Farm Tractors have Massey Ferguson
Power Take-off (PTO)
Rear RPMs
540 
608.25
Mechanical
Mechanical Steering Hydrostatic Power  81.1% Farm Tractors have hydrostatic power
Chassis 4x4 Mfwd 4wd  52.8% Farm Tractors have 4x4 MFWD 4WD
Brakes Independent Hydraulic Wet Disc  4.3% Farm Tractors have independent hydraulic wet disc
Engine
Engine Fuel Diesel  87.6% Farm Tractors have diesel
Engine Type Perkins Vertical  0.7% Farm Tractors have Perkins vertical
Engine Aspiration Turbocharged  36% Farm Tractors have turbocharged
Engine Cylinders
4.46
Engine Bore/Stroke 4.134x5.00 Inches [105 X 127 Mm] 
Engine Displacement
268 ci
306.10 ci
Engine Cooling Liquid  86% Farm Tractors have Liquid
Engine Compression 18.2:1  
Engine Rated RPMs
2200 
2,340
Engine Torque
282 lb
460.10 lb
Engine Torque RPMs
1200 
1450.81
Engine Starter volts
12 
12.58
Engine Air cleaner Dual Paper Elements 
Transmission
Transmission Gears
12 forward
15.13 forward
Transmission Speeds   
Dimensions
Wheelbase
90.2 inches
94.33 inches
Weight (operating)
7435 lbs
18,724 lbs
3-Point Hitch
Rear Type
II 
23.3% Farm Tractors have II
Rear lift
3682 lbs
11,787 lbs
Power
PTO (tested)
85.87 hp
177.25 hp
Tires
Ag front
12.4-24 
24.10
Ag rear
18.4-30 
24.79

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