Massey Ferguson 451: all source data
All 82 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | Massey Ferguson (a part of AGCO) |
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| (no label) | Utility tractor |
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| (no label) | Built in Brazil |
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Engine| (no label) | Perkins 2.7L 3-cyl diesel |
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Transmission| (no label) | 8-speed gear |
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| (no label) | 8-speed partially synchronized |
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Power| Engine (net) | 48 hp | 35.8 kW |
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| PTO (claimed) | 45 hp | 33.6 kW |
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Mechanical| (no label) | Two- or four-wheel drive |
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| (no label) | Power steering |
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| (no label) | Wet disc brakes |
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| (no label) | Two-post foldable ROPS. |
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Capacity| Fuel | 15.3 gal | 57.9 L |
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| Hydraulic system | 11.1 gal | 42.0 L |
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Hydraulics| Type | open center |
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| Capacity | 11.1 gal | 42.0 L |
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| Pressure | 2500 psi | 172.4 bar |
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| Valves | 2 |
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| Pump flow | 9.5 gpm | 36.0 lpm |
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| Steering press. | 1740 psi | 120.0 bar |
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Hitch| Rear Type | II/I |
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| Control | position and draft control |
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| Rear lift (at ends) | 3748 lbs | 1700 kg |
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Pto| Rear PTO | live |
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| Rear PTO | independent |
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| Clutch | 254mm mechanical dry disc |
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| Clutch | hydraulic wet disc |
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| Rear PTO Type | 540 (1.375) |
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| Engine RPM | 540@1908 (gear) |
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| Engine RPM | 540@1789 (shuttle) |
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Dimensions| 2WD Wheelbase (2WD) | 78.3 inches | 198 cm |
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| 4WD Wheelbase (4WD) | 78.7 inches | 199 cm |
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| Weight | 4738 to 5238 pounds |
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| Front tire | 7.50-16 |
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| 2WD Rear tire (2WD) | 14.-28 |
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Serial location| (no label) | Serial number on the left side of the tractor, below the dashboard. |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 35 |
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| Battery CCA | 750 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | Perkins 903.27 |
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| (no label) | diesel |
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| (no label) | 3-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 164 ci | 2.7 L |
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| Bore/Stroke | 3.74x5.00 inches | 95 x 127 mm |
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| Emissions | Tier I |
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| Power (net) | 48 hp | 35.8 kW |
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| Air cleaner | dual dry element |
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| Pre-heating | thermostart |
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| Rated RPM | 2200 |
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| Starter | electric |
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| Starter volts | 12 |
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| Oil capacity | 6.6 qts | 6.2 L |
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| Coolant capacity (Coolant) | 10 qts | 9.5 L |
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Transmission
Transmission options| (no label) | 8-speed gear |
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| (no label) | 8-speed partially synchronized |
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Transmission| Type | gear |
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| Gears | 8 forward and 2 reverse |
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| Clutch | 305mm dry disc |
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| Oil capacity | 44.4 qts | 42.0 L |
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| (no label) | Four gears, plus reverse, in two ranges. |
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| Type | partially synchronized |
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| Gears | 8 forward and reverse |
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| Clutch | 305mm dry disc |
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| (no label) | Four synchronized gears in two ranges with left-hand shuttle. |
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Dimensions
Tires| 2WD Standard tires (ag) (2WD) | Front: 7.50-16. Rear: 14.-28 |
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| 4WD Standard tires (ag) (4WD) | Front: 9.5-24. Rear: 14.9-28 |
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Dimensions| 2WD Wheelbase (2WD) | 78.3 inches | 198 cm |
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| 4WD Wheelbase (4WD) | 78.7 inches | 199 cm |
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| 2WD Length (2WD) | 132.7 inches | 337 cm |
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| 4WD Length (4WD) | 135 inches | 342 cm |
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| Width | 72 inches | 182 cm |
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| Height (ROPS) | 96.7 inches | 245 cm |
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| Height (ROPS) | 73.1 inches (folded) | 185 cm |
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| 2WD Shipping weight (2WD) | 4738 lbs | 2149 kg |
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| 4WD Shipping weight (4WD) | 5238 lbs | 2375 kg |
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| Clearance (drawbar) | 10.5 inches | 26 cm |
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| 2WD Front tread | 50.2 to 72.2 inches | 127 to 183 cm |
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| 4WD Front tread | 55.1 to 57.8 inches | 139 to 146 cm |
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| Rear tread | 57 to 68 inches | 144 to 172 cm |
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