Massey Ferguson 4900: all source data
All 78 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 |
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| (no label) | Four-wheel Drive (4WD) tractor |
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| (no label) | Original price was $123,400 in 1983 |
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Engine| (no label) | Cummins 14.8L 8-cyl diesel |
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Transmission| (no label) | 18-speed partial power shift |
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Power| Engine (net) | 375 hp | 279.6 kW |
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| PTO (claimed) | 321 hp | 239.4 kW |
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| Drawbar (tested) | 266.16 hp | 198.5 kW |
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| PTO (tested) | 320.55 hp | 239.0 kW |
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Mechanical| (no label) | Four-wheel drive |
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| Final drives | planetary |
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| (no label) | Articulated power steering |
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| (no label) | Hydraulic caliper brakes |
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| (no label) | Cab standard with heat and air-conditioning. Optional AM/FM 8-track stereo. |
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Capacity| Fuel | 190 gal | 719.1 L |
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| Steering | 96 qts | 90.9 L |
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| Front axle | 42 qts | 39.7 L |
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| Rear axle | 84 qts | 79.5 L |
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Hydraulics| Type | open center |
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| Valves | 3 to 4 |
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| Pump flow | 16 gpm (transmission) | 60.6 lpm |
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| Pump flow | 16 gpm (lift) | 60.6 lpm |
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| Pump flow | 28 gpm (auxiliary) | 106.0 lpm |
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| Total flow | 60 gpm | 227.1 lpm |
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| Steering cap. | 96 qts | 90.9 L |
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Hitch| Rear Type | IV |
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| Control | position control with electronic lower link sensing |
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| Rear lift (at 24"/610mm) | 13,000 lbs | 5896 kg |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 1000 (1.75) |
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| Engine RPM | 1000@2350 |
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Dimensions| Wheelbase | 137 inches | 347 cm |
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| Weight | 27000 to 30965 pounds |
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| Front tire | 23.1-34 |
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| Rear tire | 23.1-34 |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 60 |
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| Batteries | 4 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | Cummins VT-903 |
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| (no label) | turbocharged diesel |
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| (no label) | 8-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 903 ci | 14.8 L |
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| Bore/Stroke | 5.50x4.75 inches | 140 x 121 mm |
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| Power (net) | 375 hp | 279.6 kW |
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| Air cleaner | dual dry elements |
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| Compression | 15.5:1 |
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| Rated RPM | 2600 |
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| Starter volts | 12 |
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| Oil capacity | 37.5 qts | 35.5 L |
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| Coolant capacity (Coolant) | 60 qts | 56.8 L |
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Transmission
Transmission| Type | partial power shift |
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| Gears | 18 forward and 6 reverse |
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| Clutch | wet disc with four 14-inch plates |
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| Oil capacity | 44 qts | 41.6 L |
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| (no label) | Three gears (1-3) in two ranges (high/low) with three-speed power shift (low/intermediate/high). |
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Dimensions
Tires| Ag front | 23.1-34 |
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| Ag rear | 23.1-34 |
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| Ag front | 18.4-38 |
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| Ag front | 20.8-38 |
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| Ag front | 24.5-32 |
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| Ag front | 30.5-32 |
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| Ag rear | 18.4-38 |
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| Ag rear | 20.8-38 |
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| Ag rear | 24.5-32 |
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| Ag rear | 30.5-32 |
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Dimensions| Wheelbase | 137 inches | 347 cm |
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| Length | 252 inches | 640 cm |
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| Width | 108 inches | 274 cm |
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| Height | 130 inches | 330 cm |
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| Front axle | 4 inch diameter | 101 mm |
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| Rear axle | 4 inch diameter | 101 mm |
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Weight| Shipping | 27000 lbs | 12247 kg |
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| Operating | 30965 lbs (23.1-34 duals) | 14045 kg |
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| Ballasted | 33940 lbs | 15395 kg |
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| Max capacity (Max) | 34,000 lbs | 15422 kg |
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