Tractor · 2004Unverified
Massey Ferguson 491
Massey Ferguson 491 — 400 Series · 89 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
89 hp
Max power
64.0 kW
Weight
6812 to 8025 pounds
Hover a source tag to verify
Overview
ManufacturerMassey Ferguson (a part of AGCO)Reference
Utility tractorReference
Built in BrazilReference
Two- or four-wheel driveReference
Final drivesplanetaryReference
Power steeringReference
Independent hydraulic wet disc brakesReference
Flat-deck platform with two-post folding ROPS. Optional cab with air-conditioning.Reference
Engine
Perkins 4.4L 4-cyl dieselReference
Fuel tank109.8 LReference
Engine (gross)66.4 kWReference
Perkins 1104C-44TReference
turbocharged dieselReference
4-cylinderReference
liquid-cooled verticalReference
Displacement4.4 LReference
Bore/Stroke105 x 127 mmReference
EmissionsTier IIReference
Power (gross)66.4 kWReference
Air cleanerdual paper elementsReference
Compression18.2:1Reference
Rated RPM2200Reference
Torque382.4 NmReference
Torque RPM1200Reference
Starter volts12Reference
Max power64.0 kWReference
Power at rated engine speed58.8 kWReference
Transmission
12-speed partially synchronizedReference
Typepartially synchronizedReference
Gears12 forward and 4 reverseReference
Clutch330mm dry discReference
Three gears (1-3) plus reverse (R) with low/high ranges and an additional synchronized slow/fast range lever. Synchronized shifting between gears 2-3 and the slow/fast range.Reference
PTO & Hydraulics
PTO (claimed)57.4 kWReference
PTO (tested)64.0 kWReference
Typeopen centerReference
Valves2 or 3Reference
Pump flow26.5 lpmReference
Pump flow37.9 lpmReference
SCV flow64.3 lpmReference
Total flow94.6 lpmReference
Steering flow30.3 lpmReference
Rear TypeIIReference
Controlposition control and top-link draft sensingReference
Rear lift (at 24"/610mm)1904 kgReference
Rear PTOindependentReference
Clutchhydraulic wet discReference
Rear PTO Type540/1000 (1.375)Reference
Engine RPM540@1900Reference
Engine RPM1000@1900Reference
Power at rated PTO speed62.8 kWReference
Dimensions
Wheelbase236 cmReference
Weight6812 to 8025 poundsReference
Front tire12.4-24Reference
Rear tire18.4-30Reference
Ag front12.4-24Reference
Ag rear18.4-30Reference
Length393 cmReference
Width203 cmReference
Clearance (drawbar)37 cmReference
2WD ROPS Shipping3089 kgReference
4WD ROPS Shipping3299 kgReference
2WD Cab Shipping3430 kgReference
4WD Cab Shipping3640 kgReference
4WD ROPS Operating3372 kgReference
Massey Ferguson 491 attachments
front-end loaderReference
491 Serial Numbers
2004BN00001Reference
2005BP00001Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Battery volts12Reference
Attachment overview
Massey Ferguson 1065 loaderReference
Massey Ferguson 1070 loaderReference
Massey Ferguson 491 Height
ROPS260 cmReference
Height (Folded ROPS)201 cmReference
Cab269 cmReference
Exhaust274 cmReference
Test results
Diesel 12-speed 4WDMay 25 - 26, 2005Link: Nebraska Tractor Test 1851 fileReference
PTO performanceReference
Fuel use19.7 l/hourReference
Fuel use18.9 l/hourReference
Fuel use18.5 l/hourReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.