John Deere 3050B: all source data
All 79 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 | John Deere |
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| (no label) | Compact Utility tractor |
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| (no label) | Built in Ningbo, China |
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Engine| (no label) | XinChai 3.2L 4-cyl diesel |
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| Fuel tank | 17.4 gal | 65.9 L |
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Transmission| (no label) | 12-speed mechanical shuttle |
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Power| Engine | 50 hp | 37.3 kW |
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| PTO (claimed) | 42.2 hp | 31.5 kW |
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Mechanical| (no label) | Four-wheel drive |
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| Differential lock | mechanical rear |
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| (no label) | Power steering |
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| (no label) | Mechanical disc brakes |
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| Trailer brakes | pneumatic |
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| (no label) | Two-post folding ROPS. Cab optional. |
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Hydraulics| Type | open center |
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| Pressure | 2321 psi | 160.0 bar |
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| Rear valves | 1 or 2 |
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| Pump flow | 5.4 gpm | 20.4 lpm |
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| Total flow | 7 gpm | 26.5 lpm |
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| Steering flow | 1.6 gpm | 6.1 lpm |
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Hitch| Rear Type | I |
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| Control | position control |
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| Rear lift (at ends) | 2381 lbs | 1080 kg |
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| Rear lift (at 24"/610mm) | 2046 lbs | 928 kg |
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Pto| Rear PTO | independent |
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| Clutch | dry disc |
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| Rear PTO Type | 540/720 (38mm 8-spline) |
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| Rear PTO Type | 540/720 (35mm 6-spline) |
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| Engine RPM | 540@1970 |
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| Engine RPM | 720@2020 |
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Dimensions| Wheelbase | 77.2 inches | 196 cm |
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| Weight | 4409 lbs | 1999 kg |
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| Front tire | 7.50-16 |
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| Rear tire | 11.2-28 |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging volts | 14 |
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| Battery volts | 12 |
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| Battery AH | 90 |
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Engine
Engine detail| (no label) | XinChai A498BT-23 |
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| (no label) | diesel |
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| (no label) | 4-cylinder 8-valve |
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| (no label) | liquid-cooled |
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| Displacement | 193.3 ci | 3.2 L |
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| Bore/Stroke | 3.86x4.13 inches | 98 x 105 mm |
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| Emissions | Tier II |
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| Power | 50 hp | 37.3 kW |
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| Fuel system | direct injection |
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| Compression | 18.5:1 |
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| Rated RPM | 2300 |
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| Idle RPM | 750-2484 |
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| Torque | 135.3 lb-ft | 183.5 Nm |
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| Torque RPM | 1600 |
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| Starter | electric |
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| Starter volts | 12 |
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| Oil capacity | 8.5 qts | 8.0 L |
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| Oil change | 250 h |
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| Coolant capacity (Coolant) | 9.8 qts | 9.3 L |
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| Coolant change | 2000 h |
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Transmission
Transmission| Type | mechanical shuttle |
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| Gears | 12 forward and reverse |
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| Clutch | dry disc |
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| Oil capacity | 30.6 qts | 29.0 L |
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| Oil change | 1000 h |
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| (no label) | Four gears in three ranges with left-hand shuttle. |
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Dimensions
Tires| Standard tires (ag) | Front: 7.50-16. Rear: 11.2-28 |
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| Optional tires (ag) | Front: 7.50-16. Rear: 12.4-28 |
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| Optional tires (ag) | Front: 8.3-20. Rear: 12.4-28 |
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| Optional tires (ag) | Front: 7.50-16. Rear: 11-28 |
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Dimensions| Wheelbase | 77.2 inches | 196 cm |
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| Length | 140.6 inches | 357 cm |
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| Width | 69.7 inches | 177 cm |
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| Height (ROPS) | 95.3 inches | 242 cm |
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| Height (exhaust) | 82.7 inches | 210 cm |
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| Weight | 4409 lbs | 1999 kg |
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| Max weight (Max) | 7716 lbs | 3499 kg |
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| Ground clearance | 12 inches | 30 cm |
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| Front tread | 51.2 inches | 130 cm |
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| Rear tread | 51.2 inches | 130 cm |
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