Kubota L3901: all source data
All 75 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 | Kubota |
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| (no label) | Compact Utility tractor |
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Engine| (no label) | Kubota 1.8L 3-cyl diesel |
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| Fuel tank | 11.1 gal | 42.0 L |
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Transmission| (no label) | 8-speed synchronized shuttle |
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| (no label) | hydrostatic |
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Power| Engine (gross) | 37.5 hp | 28.0 kW |
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| Engine (net) | 36.3 hp | 27.1 kW |
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| Gear PTO (claimed) | 32.1 hp | 23.9 kW |
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| Hydro PTO (claimed) | 30.6 hp | 22.8 kW |
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Mechanical| Drive | 4x2 2WD |
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| Drive | 4x4 MFWD 4WD |
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| Steering | power |
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| (no label) | Mechanical wet disc brakes |
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| (no label) | Two-post folding ROPS. |
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Hydraulics| Type | open center |
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| Pressure | 2347 psi | 161.8 bar |
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| Pump flow | 6.3 gpm | 23.8 lpm |
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| Steering flow | 3.8 gpm | 14.4 lpm |
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Hitch| Rear Type | I |
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| Control | position control |
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| Rear lift (at ends) | 1985 lbs | 900 kg |
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| Rear lift (at 24"/610mm) | 1433 lbs | 650 kg |
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Pto| Rear PTO | live |
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| Clutch | dual stage dry disc |
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| Rear PTO Type | 540 (1.375) |
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Dimensions| Wheelbase | 63.3 inches | 160 cm |
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| Weight | 2590 to 2778 pounds |
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| Front tire | 5.00-15 |
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| 2WD Rear tire (2WD) | 11.2-24 |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 40 |
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| Charging volts | 12 |
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| Battery CCA | 580 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | Kubota |
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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 | 111.4 ci | 1.8 L |
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| Bore/Stroke | 3.43x4.03 inches | 87 x 102 mm |
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| Emissions | Tier IV |
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| Power (net) | 36.3 hp | 27.1 kW |
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| Power (gross) | 37.5 hp | 28.0 kW |
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| Fuel system | common rail direct injection |
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| Rated RPM | 2700 |
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| Starter | electric |
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| Starter volts | 12 |
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Transmission
Transmission options| (no label) | 8-speed synchronized shuttle |
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| (no label) | hydrostatic |
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Transmission| Type | synchronized shuttle |
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| Gears | 8 forward and reverse |
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| Clutch | dry disc |
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| (no label) | Four gears (1-4) in two ranges with mechanical shuttle. |
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| Type | hydrostatic |
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| Gears | infinite forward and reverse (3-range) |
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Dimensions
Tires| 2WD Standard tires (ag) (2WD) | Front: 5.00-15. Rear: 11.2-24 |
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| 4WD Standard tires (ag) (4WD) | Front: 7.2-16. Rear: 11.2-24 |
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| Lawn/turf front | 23x8.50-12 (2WD) |
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| Lawn/turf front | 25x8.50-14 (4WD) |
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| Lawn/turf rear | 13.6-16 |
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| Industrial front | 27x8.50-15 (4WD) |
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| Industrial rear | 15-19.5 (4WD) |
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Dimensions| Wheelbase | 63.3 inches | 160 cm |
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| Width | 55.1 inches | 139 cm |
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| Height (ROPS) | 91.7 inches | 232 cm |
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| 2WD Ground clearance | 13.6 inches | 34 cm |
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| 4WD Ground clearance | 13.4 inches | 34 cm |
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| Front tread | 41.3 inches (2WD) | 104 cm |
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| Front tread | 43.1 inches (4WD) | 109 cm |
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| Rear tread | 43.8/47.1/50.8 inches | 111/119/129 cm |
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Weight| 2WD Gear | 2590 lbs | 1174 kg |
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| 4WD Gear | 2767 lbs | 1255 kg |
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| 4WD Hydro | 2778 lbs | 1260 kg |
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