Massey Ferguson 491 Specs ( 2004-2006 )
Production
| Description | Utility tractor / Built in Brazil |
|---|---|
| Manufacturer | Massey Ferguson (a part of AGCO) |
Engine
| Engine type | Perkins 4.4L 4-cyl diesel |
|---|---|
| Fuel tank | 29 gal (109.8 L) |
| Air cleaner | dual paper elements |
| Bore/Stroke | 4.134x5.00 inches (105 x 127 mm) |
| Compression | 18.2:1 |
| Description | Perkins 1104C-44T / turbocharged diesel / 4-cylinder / liquid-cooled vertical |
| Displacement | 268.6 ci (4.4 L) |
| Emissions | Tier II |
| Power (gross) | 89 hp (66.4 kW) |
| Rated RPM | 2200 |
| Starter volts | 12 |
| Torque | 282 lb-ft (382.4 Nm) |
| Torque RPM | 1200 |
| Engine (gross) | 89 hp (66.4 kW) |
| PTO (claimed) | 77 hp (57.4 kW) |
| PTO (tested) | 85.87 hp (64.0 kW) |
Transmission
| 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. |
| Gears | 12 forward and 4 reverse |
| Transmission type | 12-speed partially synchronized |
| Type | partially synchronized |
Mechanical
| Description | Power steering / Independent hydraulic wet disc brakes / Flat-deck platform with two-post folding ROPS. Optional cab with air-conditioning. |
|---|---|
| Drive type | Two- or four-wheel drive |
| Final drives | planetary |
Hydraulics
| Pump flow | 7.0 gpm (3-point) (26.5 lpm) |
|---|---|
| SCV flow | 17 gpm (64.3 lpm) |
| Steering flow | 8.0 gpm (30.3 lpm) |
| Total flow | 25 gpm (94.6 lpm) |
| Type | open center |
| Valves | 2 or 3 |
Hitch
| Control | position control and top-link draft sensing |
|---|---|
| Rear lift (at 24"/610mm) | 4199 lbs (1904 kg) |
| Rear Type | II |
PTO
| Clutch | hydraulic wet disc |
|---|---|
| Engine RPM | 540@1900 |
| Rear PTO | independent |
| Rear PTO Type | 540/1000 (1.375) |
Electrical
| Battery volts | 12 |
|---|---|
| Ground | negative |
Dimensions & Tires
| Clearance (drawbar) | 14.7 inches (37 cm) |
|---|---|
| Length | 155 inches (393 cm) |
| Wheelbase | 93 inches (236 cm) |
| Width | 80 inches (203 cm) |
| Front tire | 12.4-24 |
| Rear tire | 18.4-30 |
| Weight | 6812 to 8025 pounds |
| Wheelbase | 93 inches (236 cm) |
| Ag front | 12.4-24 |
| Ag rear | 18.4-30 |
491 Serial Numbers
| 2004 | BN00001 |
|---|---|
| 2005 | BP00001 |
| Description | FAQ: How to read a serial number table. |
Massey Ferguson 491 Height
| Cab | 106 inches (269 cm) |
|---|---|
| Exhaust | 108 inches (274 cm) |
| Height (Folded ROPS) | 79.4 inches (201 cm) |
| ROPS | 102.5 inches (260 cm) |
Massey Ferguson 491 Weight
| 2WD Cab Shipping | 7562 lbs (3430 kg) |
|---|---|
| 2WD ROPS Shipping | 6812 lbs (3089 kg) |
| 4WD Cab Shipping | 8025 lbs (3640 kg) |
| 4WD ROPS Operating | 7435 lbs (3372 kg) |
| 4WD ROPS Shipping | 7275 lbs (3299 kg) |
Massey Ferguson 491 attachments
| Description | front-end loader |
|---|
Nebraska Tractor Test 1851
| Description | Diesel 12-speed 4WDMay 25 - 26, 2005Link: Nebraska Tractor Test 1851 file / PTO performance |
|---|---|
| Fuel use | 5.2 gal/hour (19.7 l/hour) / 5.0 gal/hour (18.9 l/hour) / 4.9 gal/hour (18.5 l/hour) |
| Max power | 85.87 hp (64.0 kW) |
| Power at rated engine speed | 78.81 hp (58.8 kW) |
| Power at rated PTO speed | 84.16 hp (62.8 kW) |
References
| Description | 400 Series Tractors published in 2005, by Massey Ferguson |
|---|