Tractorpedia.com

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.
Massey Ferguson 491tractorspecificationsPerkins 4.4L engineutility tractor400 Series89 hptransmissionhydraulicsdimensionsattachments
Power89 hp
Founded2004 - 2006
Model491

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

Control:position control and top-link draft sensing
Rear Type:II
Rear lift (at 24"/610mm):4199 lbs (1904 kg)

Dimensions & Tires

Width:80 inches (203 cm)
Length:155 inches (393 cm)
Rear tire:18.4-30
Wheelbase:93 inches (236 cm)
Front tire:12.4-24
Clearance (drawbar):14.7 inches (37 cm)

Power Take-off (PTO)

Clutch:hydraulic wet disc
Rear PTO:independent
Engine RPM:540@1900, 1000@1900
Rear PTO Type:540/1000 (1.375)

Related Models

Massey Ferguson 593

Model:593

Massey Ferguson 481

Model:481

Massey Ferguson 492

Model:492