Kubota
Kubota B7100HST
The Kubota B7100HST is a compact utility tractor produced from 1977 to 1984 as part of Kubota's B Series. It features a 0.8L 3-cylinder liquid-cooled diesel engine producing 16 hp gross, with a hydrostatic transmission offering infinite forward and reverse speeds in two ranges. The tractor is available in two- or four-wheel drive configurations with mechanical rear differential lock and manual steering. It has an open operator station with optional two-post ROPS. The B7100HST supports various attachments including mid-mount mower decks, blades, front-end loaders, and backhoes, making it versatile for multiple tasks. It has a fuel capacity of 3.4 gallons and a hydraulic system capacity of 3.6 gallons with an open center hydraulic system and 3 gpm pump flow. Dimensions vary slightly between 2WD and 4WD models, with weights ranging from 1151 to 1265 pounds.
Power16 hp
Founded1977 - 1984
ModelB7100HST
Technical Specifications
Detailed specifications and technical data for Kubota B7100HST
Power
| PTO (claimed) | 13 hp (9.7 kW) |
|---|---|
| Engine (gross) | 16 hp (11.9 kW) |
Tires
| Lawn/turf rear | 29-12.00x15 |
|---|---|
| Lawn/turf front | 20.5-8.00x10 |
| 2WD Standard tires (ag) | Front: 6.9-9. Rear: 8.3-16 |
| 4WD Standard tires (ag) | Front: 6-12. Rear: 8.3-16 |
Engine
| Type | diesel |
|---|---|
| Model | Kubota D750-AH |
| Torque | 31.8 lb-ft (43.1 Nm) |
| Cooling | liquid-cooled |
| Cylinders | 3-cylinder |
| Rated RPM | 2800 |
| Torque RPM | 1800 |
| Air cleaner | dry |
| Bore/Stroke | 2.625x2.75 inches (67 x 70 mm) |
| Pre-heating | glow plugs |
| Displacement | 46.5 ci (0.8 L) |
| Oil capacity | 3.3 qts (3.1 L) |
| Power (gross) | 16 hp (11.9 kW) |
| Starter power | 1.1 hp (0.8 kW) |
| Starter volts | 12 |
| Coolant capacity | 4.9 qts (4.6 L) |
| Oil change interval | 75 h |
Capacity
| Fuel | 3.4 gal (12.9 L) |
|---|---|
| Hydraulic system | 3.6 gal (13.6 L) |
Dimensions
| Width | 40.1 inches (101 cm) |
|---|---|
| Length | 83.8 inches (212 cm) |
| 2WD Weight | 1151 lbs (522 kg) |
| 4WD Weight | 1265 lbs (573 kg) |
| Rear tread | 26/27.95/29.92 inches (66/70/75 cm) |
| 2WD Wheelbase | 54.7 inches (138 cm) |
| 4WD Wheelbase | 55.1 inches (139 cm) |
| 2WD Front tread | 27.4 inches (69 cm) |
| 4WD Front tread | 33.5 inches (85 cm) |
| 2WD Ground clearance | 10.2 inches (25 cm) |
| 4WD Ground clearance | 9.5 inches (24 cm) |
| 2WD Height (steering wheel) | 46.1 inches (117 cm) |
| 4WD Height (steering wheel) | 46.7 inches (118 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery AH | 45 |
| Battery volts | 12 |
Hydraulics
| Type | open center |
|---|---|
| Capacity | 3.6 gal (13.6 L) |
| Pump flow | 3 gpm (11.4 lpm) |
Mechanical
| Drive | Two- or four-wheel drive |
|---|---|
| Brakes | Differential mechanical expanding shoe brakes |
| Steering | Manual |
| Operator station | Open operator station. Two-post ROPS available. |
| Differential lock | mechanical rear |
Production
| Type | Compact Utility tractor |
|---|---|
| Series | B Series |
| Built in | Japan |
| Variants | B7100HST-E 2WD hydro, B7100HST-D 4WD hydro, B7100HSD 4WD hydro, B7100 gear drive |
| Years produced | 1977 - 1984 |
Attachments
| Overview | 48" mid-mount mower deck, 60" mid-mount mower deck, blade, front-end loader, backhoe |
|---|---|
| 48" Blade | Kubota B2030, front-mount, 48 inches width (121 cm), 17.5 inches height (44 cm), 9.8 inches lift (24 cm), Angling 30°, 5.6 inches cut (14 cm), 315 lbs (142 kg), hydraulic-lift, manual-angle hydraulic-angle (Optional) |
| B1630C Loader | 510 lbs lift (full at pin) (231 kg), 780 lbs breakout (353 kg), 46° dump, 20.25 inches reach (dumped) (51 cm), 48.3 inches reach (ground) (122 cm), 28° rollback, 67.7 inches height (at pin) (171 cm), 51.5 inches clearance (dumped) (130 cm), boom cyl: 1.5 inches (3 cm), boom rod: 1.12 inches (2 cm), bucket cyl: 1.5 inches (3 cm), bucket rod: 1.0 inches (2 cm), Bucket width: 48 inches (121 cm) |
| 48" Mower deck | Kubota MR4800, 48 inches (121 cm), Total width: 60.4 inches (153 cm), 3-blade, hydraulic lift, right-discharge, Cut height: 1.5 to 4 inch (3 to 10 cm), 220 lbs (99 kg) |
| 60" Mower deck | Kubota RC60-71, 60 inches (152 cm), 3-blade, hydraulic lift |
| Kubota B670 Backhoe | Backhoe type: Kubota B670 Backhoe, Weight: 750 lbs (340 kg), Transport height: 61 inches (154 cm), Bucket width: 9 inches (22 cm), 13 inches (33 cm), 16 inches (40 cm), 2-Foot flat digging depth: 73 inches (185 cm), Reach from pivot: 100 inches (254 cm), Loading height: 60 inches (152 cm), Bucket Rotation: 180°, Swing Arc: 180°, Bucket force: 2400 lbs (1088 kg) |
Transmission
| Type | hydrostatic |
|---|---|
| Gears | infinite forward and reverse (2-range) |
| Oil capacity | 14.2 qts (13.4 L) |
Tractor hitch
| Rear Type | I |
|---|
Serial Numbers
| 1980 | 10157 |
|---|---|
| 1981 | 11035 |
| 1982 | 13305 |
| 1983 | 51426 |
| 1984 | 53433 |
| Location | Clutch housing, left side |
Power Take-off (PTO)
| Mid PTO Type | 2500 (Kubota 1x10) |
|---|---|
| Rear PTO Type | 540/850 (1.375) |
| Front PTO Type | 2800 |
| Engine RPM (540) | 540@2800 |
| Engine RPM (850) | 850@2800 |
| Engine RPM (Mid PTO) | 2450@2800 |