Massey Ferguson 491
General tractor information:
	Manufacturer:	Massey Ferguson
	Model:	491
	Type:	Farm/Agricultural tractor
	Years produced:	2004 - 2006
	Total built:	-unknown-
	Factory:	-unknown-
	Original price:	-unknown-
Tractor power:
	PTO (max):	85.9 hp [64.1 kW]
	PTO (rated):	78.8 hp [58.8 kW]
Engine:
	Manufacturer:	Perkins
	Fuel:	diesel
	Aspiration:	turbo
	Type:	vertical
	Cylinders:	4
	Bore/Stroke:	4.134x5.00 inches [105 x 127 mm]
	Displacement:	268 ci [4.4 L]
	Compression:	18.2:1
	Rated RPMs:	2200
	Cooling:	liquid
	Torque:	282 lb-ft [382.4 Nm]
	Torque RPMs:	1200
	Firing order:	-unknown-
Transmission:
	Type:	-unknown-
	Forward:	12
	Reverse:	4
Mechanical:
	Chassis:	4x4 MFWD 4WD
	Steering:	-unknown-
	Brakes:	wet disc
Capacity:
	Fuel:	-unknown-
3-Point Hitch:
	Rear Hitch Category:	II
	Rear lift:	3,682 lbs [1670 kg]
Power Take-off (PTO):
	Rear PTO:	-unknown-
	Rear speed (RPM):	540/1000
Tires:
	Ag front:	12.4-24
	Ag rear:	18.4-30
Dimensions:
	Weight:	7,435 lbs [3372 kg]
	Wheelbase:	90.2 inches [229 cm]
	Length:	-unknown-
	Width:	-unknown-
	Height:	-unknown-
	Ground clearance:	-unknown-
Electrical:
	Volts:	12
Nebraska Tractor Test 1851:
	Test Date:	May 2005
	Engine:	diesel
	PTO (max):	85.9 hp [64.1 kW]
	PTO (rated eng speed):	78.8 hp [58.8 kW]
	PTO fuel use (rated):	15.9 hh/g [3.1 kWh/l]
Comments:
The Massey Ferguson 491 is similar to the later model 593.
Massey Ferguson 491 links:
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Last updated on August 5, 2008