Massey Ferguson

Massey Ferguson 491

The Massey Ferguson 491 is a utility tractor from the 400 Series produced from 2004 to 2006. It features a Perkins 4.4L 4-cylinder turbocharged diesel engine delivering 89 hp gross power. The tractor offers a 12-speed partially synchronized transmission with 12 forward and 4 reverse gears. It is available in two- or four-wheel drive configurations with planetary final drives and power steering. The 491 has a flat-deck platform with a two-post folding ROPS and an optional cab with air-conditioning. It is built in Brazil and includes features such as independent hydraulic wet disc brakes, an open center hydraulic system with multiple valve options, and a rear PTO with 540/1000 rpm speeds. The tractor supports Massey Ferguson 1065 and 1070 front-end loaders with various lift and breakout capacities. Dimensions include a 93-inch wheelbase, 155-inch length, and weights ranging from 6812 to 8025 pounds depending on configuration.

Power89 hp

Founded2004 - 2006

Model491

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Technical Specifications

Detailed specifications and technical data for Massey Ferguson 491

Power

PTO (tested)	85.87 hp (64.0 kW)
PTO (claimed)	77 hp (57.4 kW)
Engine (gross)	89 hp (66.4 kW)

Engine

Type	turbocharged diesel
Model	Perkins 1104C-44T
Torque	282 lb-ft (382.4 Nm)
Cooling	liquid-cooled vertical
Cylinders	4-cylinder
Emissions	Tier II
Fuel tank	29 gal (109.8 L)
Rated RPM	2200
Torque RPM	1200
Air cleaner	dual paper elements
Bore/Stroke	4.134x5.00 inches (105 x 127 mm)
Compression	18.2:1
Displacement	268.6 ci (4.4 L)
Power (gross)	89 hp (66.4 kW)
Starter volts	12

Height

Cab	106 inches (269 cm)
ROPS	102.5 inches (260 cm)
Exhaust	108 inches (274 cm)
Height (Folded ROPS)	79.4 inches (201 cm)

Weight

2WD Cab Shipping	7562 lbs (3430 kg)
4WD Cab Shipping	8025 lbs (3640 kg)
2WD ROPS Shipping	6812 lbs (3089 kg)
4WD ROPS Shipping	7275 lbs (3299 kg)
4WD ROPS Operating	7435 lbs (3372 kg)

Electrical

Ground	negative
Battery volts	12

Hydraulics

Type	open center
Valves	2 or 3
Aux flow	10 gpm (37.9 lpm)
SCV flow	17 gpm (64.3 lpm)
Pump flow	7.0 gpm (3-point) (26.5 lpm)
Total flow	25 gpm (94.6 lpm)
Steering flow	8.0 gpm (30.3 lpm)

Mechanical

Drive	Two- or four-wheel drive
Brakes	Independent hydraulic wet disc brakes
Platform	Flat-deck platform with two-post folding ROPS. Optional cab with air-conditioning.
Final drives	planetary
Power steering	Yes

Production

Type	Utility tractor
Series	400 Series
Built in	Brazil
Years made	2004 - 2006

Attachments

Loaders	Massey Ferguson 1065 loader, Massey Ferguson 1070 loader
1065 Loader	4197 lbs lift (full at pin) (1903 kg), 2676 lbs lift (full at 500mm) (1213 kg), 4944 lbs lift (1.5m at pin) (2242 kg), 6354 lbs breakout (at pin) (2882 kg), 4509 lbs breakout (bucket) (2045 kg), 38° dump, 28.5 inches reach (dumped) (72 cm), 81 inches reach (ground) (205 cm), 22° rollback, 129.7 inches height (at pin) (329 cm), 103.3 inches clearance (dumped) (262 cm), 122.5 inches clearance (level) (311 cm), Bucket width: 72 inches (182 cm) and 84 inches (213 cm), Compatible with 2WD only.
1070 Loader	4200 lbs lift (full at pin) (1905 kg), 3100 lbs lift (full at 500mm) (1406 kg), 4973 lbs lift (1.5m at pin) (2255 kg), 5254 lbs breakout (at pin) (2383 kg), 3900 lbs breakout (bucket) (1769 kg), 55° dump, 49 inches reach (dumped) (124 cm), 96 inches reach (ground) (243 cm), 48° rollback, 135 inches height (at pin) (342 cm), 98 inches clearance (dumped) (248 cm), 124 inches clearance (level) (314 cm), Bucket width: 72 inches (182 cm) and 84 inches (213 cm)

Transmission

Type	partially synchronized
Gears	12 forward and 4 reverse
Clutch	330mm dry disc
Description	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.

Tractor hitch