Massey Ferguson 491

Production ended · 2WD or 4WD

PTO power · claimed

77 hp

Weight
7,435 lb
Engines
1 Diesel
Built
no record
Price new
no record

Power

Power specifications
Engine89 hp gross
PTO77 hp claimed
PTO, tested85.9 hp
Drawbarno record
Listed power89 hp engine basis

Engines

Engines fitted to the Massey Ferguson 491
Perkins 4.4L 4-cyl dieselDiesel · 4 cyl269 ci
Engine details
Perkins 4.4L 4-cyl diesel
Bore × stroke
4.13 in × 5 in
Rated speed
2,200 rpm
Rated power
89 hp
Torque
282 lb·ft at 1,200 rpm
Compression
18.2:1
Aspiration
turbocharged diesel
Cooling
liquid-cooled vertical
Emissions
Tier II

Transmissions

Transmissions for the Massey Ferguson 491
12-speed partially synchronizedpartially synchronized12F / 4R
Transmission notes

12-speed partially synchronized: 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.

Weight

Weight specifications
Weight7,435 lb operating; 4WD ROPS
Shipping6,812 lb

Dimensions

Dimensions specifications
Wheelbase93 in
Length155 in
Width80 in
Height102.5 in unspecified

Capacities

Capacities specifications
Fuel tank29 gal

Hydraulics

Hydraulics specifications
Systemopen center
Pump flow7 gpm
Total flow25 gpm
Remote valve flow17 gpm
Steering flow8 gpm
Remote valves2 or 3

Hitch

Hitch specifications
Rear hitch categoryII
Controlposition control and top-link draft sensing
Rear lift capacityno record
Rear lift at 24 in (610 mm)4,199 lb

PTO

PTO specifications
Rear PTOindependent
Rear PTO speeds540/1000 (1.375)
Clutchhydraulic wet disc
Engine rpm at PTO speed540@1900

Chassis

Chassis specifications
Drive2WD/4WD
SteeringPower steering
BrakesIndependent hydraulic wet disc brakes
Final drivesplanetary
CabFlat-deck platform with two-post folding ROPS. Optional cab with air-conditioning

Tires

Tires specifications
Front12.4-24
Rear18.4-30

Electrical

Electrical specifications
System voltage12 V
Groundnegative

Production

Production specifications
FactoriesBrazil
Built byMassey Ferguson (a part of AGCO)

Serial numbers

First serial number by year
YearFirst serial
2004BN00001
2005BP00001

Literature

  • 400 Series Tractors Massey Ferguson, 2005

Attachments

  • front-end loader