The Kubota B7100HST is a compact utility tractor, manufactured by Kubota since 1977 to 1997. The B7100HST tractor is equipped with Kubota D750-A diesel engine with 0.8 L (750 cc, 46.5 cu-in) of displacement and hydrostatic transmission with infinite 2-range forward and 2-range reverse gears. This tractor can be used as a front loader, lawnmower or snowblower.
The Kubota B7100 HST utility tractor used a three-cylinder liquid-cooled diesel engine Kubota D750-A with 762 cc (46.5 cu-in) of displacement. This motor has 68.0 mm (2.68 in) of the cylinder bore and 70.0 mm (2.76 in) of the piston stroke. Compression ratio rating is 22:1. The engine produced 16.0 HP (11.8 kW) at 3,000 rpm of horsepower and 42.2 Nm (31.1 lb-ft) at 1,800 rpm of torque.
The Kubota B7100 HST is equipped with a hydrostatic transmission. This transmission has 2-range forward (5.6-14.5 km/h, 3.5-9.0 mph) and 2-range reverse gears (3.9-10.0 km/h, 2.4-6.2 mph) .
The Kubota B7100HST is avalible in two versions:
- Kubota B7100HST-E – two-wheel variant 4×2 2WD
- Kubota B7100HST-D – four-wheel variant 4×4 MFWD 4WD
The tractor used manual steering, brakes with a differential mechanical expanding shoe, open center hydraulic system and foot pedal operated the differential lock. The B7100 HST has an open operator station.
Kubota B7100HST specifications
| General Specifications | |
| Model | Kubota B7100 HST |
| Length | 2,120 mm (83.8 in.) |
| Width | 1,010 mm (40.0 in.) |
| Height | 1,190 mm (46.9 in.) |
| Wheelbase |
2WD: 1,380 mm (54.7 in.) 4WD: 1,390 mm (55.1 in.) |
| Weight |
2WD: 522 kg (1,151 lb.) 4WD: 573 kg (1,265 lb.) |
| Fuel tank capacity | 12.9 L (3.4 US. gal.) |
| Battery | 12V |
| Tires size | |
| Front tires |
Standard: 6-12 Lawn and turf: 20.5×8.0-10 |
| Rear tires |
Standard: 6-16 Lawn and turf: 29×12.0-15 |
| Engine | |
| Engine model | Kubota D750-A |
| Fuel | Diesel |
| Displacement | 0.8 L, 762 cc (46.5 cu.in.) |
| Bore x stroke | 68.0 x 70.0 mm (2.68 x 2.76 in) |
| Power output | 16.0 HP (11.8 kW) at 3,000 rpm |
| Torque | 42.2 Nm (31.1 lb-ft) at 1,800 rpm |
| Starter type | Electric starter |
| Oil type | API CC or higher |
| Oil capacity | 3.9 L (4.1 qts) |
| Coolant capacity | 4.6 L (4.9 qts) |
| Transmission and chassis | |
| Chassis |
B7100HST-E: 4×2 2WD B7100HST-D: 4×4 MFWD 4WD |
| Steering | Manual type |
| Transmission type | Hydrostatic |
| Gears | 2 forward and 2 reverse |
| Ground speed |
Forward: 5.6-14.5 km/h, (3.5-9.0 mph) Reverse: 3.9-10.0 km/h, (2.4-6.2 mph) |
| PTO (Power take-off shaft) | |
| PTO Type: | Rear, transmission |
| PTO Speed: |
Rear: 540 / 750 / 1,000 rpm Front: 2,800 rpm |
| Hydraulic lift | |
| 3-point linkage: | Category I |
| Control system: | – |
| No. of remote valves: | – |
| Max lifting capacity (at link end): | 181 kg (400 lb.) |
| Hydraulic system | |
| Type: | Closed center |
| Hydraulic luid capacity: | 13.6 L (3.6 gal.) |
| Hydraulic flow: | 11.4 lpm (3.0 gpm) |
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