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Tractor · 2004Unverified

Massey Ferguson 491

Name: Massey Ferguson 491
Brand: Massey Ferguson

Massey Ferguson 491 — 400 Series · 89 hp. Reference specifications; pending source verification.

The Massey Ferguson 491 is a tractor model with a rated output of 89 hp, placing it around the middle of its class in terms of power. It was manufactured from 2004 to 2006. The tractor features a 4-cylinder turbocharged diesel liquid-cooled engine, powering all four wheels via a 12-speed gearbox. Its listed operating weight ranges from 6812 to 8025 pounds, making it suitable for applications covering areas of up to 200 acres.

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

Catalogue coverage

Variants represented

Richest spec table

81 rows

Recorded power

89 hp

Transmissions

12-speed partially synchronized

Production years

2004-2006

Verified variants

1 linked source document displayed

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.

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