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| info | |
| 1978 - 1984, Sub-Compact Utility tractor | |
| Next model: | Kubota B5200 |
| Series next: | Kubota B6100 |
| Production | |
| Manufacturer: | Kubota |
| Variants | |
| B5100DT: | 4WD |
| B5100E: | 2WD |
| Capacity | |
| Fuel: | 2.1 gal [7.9 L] |
| 3-Point Hitch | |
| Rear Type: | I |
| Rear lift: | 300 lbs [136 kg] |
| Power Take-off (PTO) | |
| Rear PTO: | transmission |
| Rear RPM: | 540/1000 |
| Front RPM: | 3000 |
| Dimensions & Tires | |
| Wheelbase: | 46.6 inches [118 cm] |
| Weight: | 805 to 893 pounds |
| Front tire: | 4.00-9 |
| Rear tire: | 7.00-16 |
| B5100 Serial Numbers | |
| - Serial numbers unknown - |
| Kubota B5100 Power | |
| Engine: | 12 hp [8.9 kW] |
| PTO (claimed): | 10 hp [7.5 kW] |
| Mechanical | |
| Chassis: | 4x2 2WD, 4x4 MFWD 4WD |
| Differential lock: | mechanical |
| Steering: | manual |
| Brakes: | differential mechanical shoe |
| Cab: | Two-post ROPS. |
| Electrical | |
| Ground: | negative |
| Battery | |
| Number: | 1 |
| Volts: | 12 |
| Amp-hours: | 35 |
| info | |
| Bore/Stroke: | 2.625x2.75 inches [67 x 70 mm] |
| Power: | 12 hp [8.9 kW] |
| Pre-heating: | glow plugs |
| Rated RPM: | 3000 |
| Starter volts: | 12 |
| Starter power: | 1.1 hp [0.8 kW] |
| Oil capacity: | 2.4 qts [2.3 L] |
| Oil change: | 75 h |
| Coolant capacity: | 3.2 qts [3.0 L] |
| Engine Detail | |
| Kubota Z500-1A, diesel, 2-cylinder, liquid-cooled, 31 ci [0.5 L] |
| info | |
| Next model: | Kubota B5200 |
| Series next: | Kubota B6100 |
| Transmission | |
| Type: | unsynchronized gear |
| Gears: | 6 forward and 2 reverse |
| Clutch: | dry disc |
| Oil capacity: | 9.0 qts [8.5 L] |
| Three gears, plus reverse, in two ranges. | |
| info | |
| Next model: | Kubota B5200 |
| Series next: | Kubota B6100 |
| Dimensions | |
| 2WD Weight: | 805 lbs [365 kg] |
| 4WD Weight: | 893 lbs [405 kg] |
| Wheelbase: | 46.6 inches [118 cm] |
| Length: | 71.6 inches [181 cm] |
| Width: | 36.25 inches [92 cm] |
| Height: | 44.1 inches [112 cm] |
| 4WD Clearance (front axle): | 8.625 inches [21 cm] |
| 2WD Clearance (rear axle): | 10.25 inches [26 cm] |
| 2WD26.4 inches [67 cm] 4WD} Front tread: | 26 inches [66 cm] |
| Rear tread: | 25/29 inches [63/73 cm] |
| Kubota B5100 Tires | |
| Ag front: | 4.00-9 (2WD), 4.50-10 (4WD) |
| Ag rear: | 7.00-16 |
| Lawn/turf front: | 18x6.50-8 |
| Lawn/turf rear: | 27x8.50-15 |