Massey Ferguson 491

Last Updated: July 2024

Overview

The Massey Ferguson 491 utility tractor, produced between 2004 and 2006, was designed to cater to diverse farming needs with its robust configuration. Propelled by a 2WD chassis and sporting a power steering system, the tractor eases maneuverability across various terrains. It utilizes a Perkins 1104C-44T, 4-cylinder, turbocharged diesel engine with liquid cooling, vertical orientation, and a displacement of 268.6 cubic inches. This engine generates 89 horsepower and delivers substantial torque at 2200 RPM, suitable for a broad range of utility tasks. The tractor's transmission is partially synchronized, featuring 12 forward gears and 4 reverse gears with a 330mm dry disc clutch. The dimensional footprint of this model includes a length of 155 inches, a width of 80 inches, and height options depending on the presence of a ROPS or cab. With operating weights ranging from 6812 to 8025 pounds, depending on the specific configuration, the 491 is a solid workhorse with ample capability for a variety of farm needs.

Show more...

Key Specifications

Category: Utility

Power Output: 89

Transmission: Partially synchronized

Drive Type: 2WD

Operating Weight: 6812 to 8025

Fuel Type: Diesel

Massey Ferguson 491 vs. Similar Tractors

Power Output

Above Average

Greater than 76% of similar tractors.

Operating Weight

Excellent

Greater than 90% of similar tractors.

Technical Specifications

Engine

Manufacturer: Perkins
Model: 1104C-44T
Cooling Type: Liquid-cooled
Cylinder Orientation: Vertical
Valve Configuration: -
Fuel Type: Diesel
Induction Type: Turbocharged
Cylinders: 4
Displacement (ci): 268.6
Bore (in): 4.134
Stroke (in): 5
Rated RPM: 2200
Power Output (hp): 89

Transmission

Type: Partially synchronized
Forward Gears: 12
Reverse Gears: 4
Total Gears: -

Dimensions

Length (in): 155
Width (in): 80
Height (in): Height to ROPS: 102.5, Height to Cab: 106, Height to Exhaust: 108
Operating Weight (lb): 6812 to 8025

Power Take-Off (PTO)

PTO Type: -
PTO Speed 1 (rpm): -
PTO Speed 2 (rpm): -
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x2 2WD
Drive Type: 2WD
Steering Type: Power steering
Coolant Capacity (qts): -
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: Ag
Manufacture - End Year: 2006
Hitch Type: -
Hitch Category: II
Hitch Position: Rear
Hitch Capacity (lb): -
Operator Station Type: ROPS or Cab
Starter Type: 12 volts
Brake Type: -
Hydraulic System Type: Open center

Test Results

Nebraska Tractor Test Laboratory - Test Date: May 25-26, 2005

Maximum Power and Fuel Consumption

Rated Engine Speed (PTO speed—1158 rpm): 78.81 HP (58.77 kW) at 2200 rpm
Fuel Consumption at Rated Speed: 4.95 Gal/hr (18.73 l/h) with a fuel efficiency of 0.441 lb/hp.hr (0.268 kg/kW.h)
Maximum Power (1 hour): 85.87 HP (64.03 kW) at 2100 rpm with a fuel consumption of 5.18 Gal/hr (19.62 l/h)
Standard Power Take-off Speed (1000 rpm): 84.16 HP (62.76 kW) at 1900 rpm with a fuel consumption of 4.86 Gal/hr (18.40 l/h)

Torque and Engine Performance

Maximum Torque: 282 lb.-ft. (383 Nm) at 1199 rpm
Torque Rise: 50.0% with a torque rise at 1800 rpm of 28%

Drawbar Performance

Nominal Travel Speeds: Ranges from 1.34 mph (2.16 km/h) in the first gear to 18.75 mph (30.17 km/h) in the twelfth gear
Hydraulic Control System: Direct engine drive with pump delivery rates of 17.9 GPM (67.8 l/min) at minimum pressure and rated engine speed

Hydraulic Performance

Maximum Force Exerted Through Whole Range: 3682 lbs (16.4 kN)
Auxiliary Pump Delivery Rate at Maximum Hydraulic Power: 15.4 GPM (58.3 l/min) at a delivery pressure of 1971 psi (136 bar) generating 17.7 HP (13.2 kW)

Sound Level

Sound Level without Cab: 94.7 dB(A) at no load in 6th (3LH) gear
Bystander Sound Level: 87.6 dB(A) in 12th (3HH) gear

NTTL. (2005). Test 1851: Massey Ferguson 491 Diesel 12-Speed. University of Nebraska-Lincoln. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/2108

Compare with Similar Tractors

Compare with random tractors from our database