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| info | |
| Series: | → 492, |
| Production | |
| Manufacturer: | Massey Ferguson |
| Type: | Utility tractor |
| Factory: | Brazil |
| Massey Ferguson 491 Power | |
| Engine (gross): | 89 hp 66.4 kW |
| PTO (claimed): | 77 hp 57.4 kW |
| PTO (tested): | 85.87 hp 64.0 kW |
| Massey Ferguson 491 Engine | |
| Fuel tank: | 29 gal 109.8 L |
| Mechanical | |
| Chassis: | 4x2 2WD, 4x4 MFWD 4WD |
| Final drives: | planetary |
| Steering: | power |
| Brakes: | independent hydraulic wet disc |
| Cab: | Flat-deck platform with two-post folding ROPS. Optional cab with air-conditioning. |
| Transmission: | 12-speed partially synchronized |
| Hydraulics | |
| Type: | open center |
| Valves: | 2 or 3 |
| Pump flow: | 7.0 gpm 26.5 lpm (3-point), 10 gpm 37.9 lpm (aux) |
| SCV flow: | 17 gpm 64.3 lpm |
| Total flow: | 25 gpm 94.6 lpm |
| Steering flow: | 8.0 gpm 30.3 lpm |
| Tractor hitch | |
| Rear Type: | II |
| Control: | position control and top-link draft sensing |
| Rear lift (at 24"/610mm): | 4199 lbs 1904 kg |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Clutch: | hydraulic wet disc |
| Rear RPM: | 540/1000 |
| Engine RPM: | 540@1900 1000@1900 |
| Dimensions & Tires | |
| Wheelbase: | 93 inches 236 cm |
| Weight: | 6812 to 8025 pounds |
| Front tire: | 12.4-24 |
| Rear tire: | 18.4-30 |
| 491 Serial Numbers | |
| 2004: | BN00001 |
| 2005: | BP00001 |
| Electrical | |
| Ground: | negative |
| Battery volts: | 12 |
| info | |
| Series: | → 492, |
| Engine Detail | |
| Perkins 1104C-44T, turbocharged diesel, 4-cylinder, liquid-cooled vertical | |
| Displacement: | 268.6 ci 4.4 L |
| Bore/Stroke: | 4.134x5.00 inches 105 x 127 mm |
| Emissions: | Tier II |
| Power (gross): | 89 hp 66.4 kW |
| Air cleaner: | dual paper elements |
| Compression: | 18.2:1 |
| Rated RPM: | 2200 |
| Torque: | 282 lb-ft 382.4 Nm |
| Torque RPM: | 1200 |
| Starter volts: | 12 |
| info | |
| Series: | → 492, |
| Transmission | |
| Type: | partially synchronized |
| Gears: | 12 forward and 4 reverse |
| Clutch: | 330mm dry disc |
| 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. | |
| info | |
| Series: | → 492, |
| Massey Ferguson 491 Tires | |
| Ag front: | 12.4-24 |
| Ag rear: | 18.4-30 |
| Dimensions | |
| Wheelbase: | 93 inches 236 cm |
| Length: | 155 inches 393 cm |
| Width: | 80 inches 203 cm |
| Clearance (drawbar): | 14.7 inches 37 cm |
| Massey Ferguson 491 Weight | |
| 2WD ROPS Shipping: | 6,812 lbs 3089 kg |
| 4WD ROPS Shipping: | 7,275 lbs 3299 kg |
| 2WD Cab Shipping: | 7,562 lbs 3430 kg |
| 4WD Cab Shipping: | 8,025 lbs 3640 kg |
| 4WD ROPS Operating: | 7,435 lbs 3372 kg |
| Massey Ferguson 491 Height | |
| ROPS: | 102.5 inches 260 cm, 79.4 inches 201 cm (folded) |
| Cab: | 106 inches 269 cm |
| Exhaust: | 108 inches 274 cm |
| info | |
| Series: | → 492, |
| Massey Ferguson 1065 Loader | |
| Height (to pin): | 129.7 inches 329 cm |
| Dump angle: | 38° |
| Rollback at ground: | 22° |
| Breakout force (bucket): | 4,509 lbs 2045 kg |
| Lift to full height (at pin): | 4,197 lbs 1903 kg |
| Lift to full height (at 500mm): | 2,676 lbs 1213 kg |
| Bucket width: | 72 inches 182 cm, 84 inches 213 cm |
| Massey Ferguson 1070 Loader | |
| Height (to pin): | 135 inches 342 cm |
| Dump angle: | 55° |
| Rollback at ground: | 48° |
| Breakout force (bucket): | 3,900 lbs 1769 kg |
| Lift to full height (at pin): | 4,200 lbs 1905 kg |
| Lift to full height (at 500mm): | 3,100 lbs 1406 kg |
| Bucket width: | 72 inches 182 cm, 84 inches 213 cm |