Kubota
Kubota B7100
The Kubota B7100 is a compact utility tractor produced from 1976 to 1985 in Japan. It features a 0.8L 3-cylinder liquid-cooled diesel engine producing 16 hp gross power. The tractor offers two- or four-wheel drive options with a 6-speed unsynchronized gear transmission and mechanical rear differential lock. It has an open operator station with optional two-post fixed ROPS. The B7100 supports various attachments including snowblowers, blades, front-end loaders, and backhoes. It has a rear Type I hitch with 400 lbs lift capacity and a rear PTO with 540 rpm. Dimensions include a 49.5 inch wheelbase, 1080 lbs weight, and standard ag tires 6-12 front and 8.3-16 rear for 4WD models.
Power16 hp
Founded1976 - 1985
ModelB7100
Technical Specifications
Detailed specifications and technical data for Kubota B7100
Power
| Plows | 1 14-inch |
|---|---|
| PTO (claimed) | 13 hp (9.7 kW) |
| Engine (gross) | 16 hp (11.9 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Kubota D750-A |
| Cooling | liquid-cooled |
| Cylinders | 3-cylinder |
| Rated RPM | 2800 |
| Air cleaner | dry |
| Bore/Stroke | 2.68x2.76 inches (68 x 70 mm) |
| Pre-heating | glow plugs |
| Displacement | 46.5 ci (0.8 L) |
| Firing order | 1-2-3 |
| Power (gross) | 16 hp (11.9 kW) |
Capacity
| Fuel | 3.4 gal (12.9 L) |
|---|---|
| Hydraulic system | 3.6 gal (13.6 L) |
Overview
| Notes | The Kubota B7100 was not available in the late 1980s, after that only the hydrostatic was available. Early model B7100 serial numbers began with "B7001", which is the Asian-market model designation. |
|---|---|
| Built in | Japan |
| Category | Compact Utility tractor |
| Production years | 1976 - 1985 |
Variants
| B7100D | 4WD gear |
|---|---|
| B7100E | 2WD gear |
| B7100HST | hydrostatic |
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 | Mechanical wet disc brakes |
| Steering | Manual |
| Operator station | Open operator station. Two-post fixed ROPS available. |
| Differential lock | mechanical rear |
Attachments
| Blade | 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) |
|---|---|
| Snowblower | 48 inches width (121 cm), single-stage (Kubota B748), two-stage (Kubota B222) with clear height 23 inches (58 cm), front-mount |
| B219 Loader | 500 lbs lift (full at pin) (226 kg), 38° dump, 22 inches reach (dumped) (55 cm), 73.5 inches height (at pin) (186 cm), 55.75 inches clearance (dumped) (141 cm), weight 390 lbs (176 kg) without bucket, bucket width 38 inches (96 cm) and 48 inches (121 cm) |
| B1630 Loader | 580 lbs lift (full at pin) (263 kg), 950 lbs breakout (430 kg), 39° dump, 20.9 inches reach (dumped) (53 cm), 46.9 inches reach (ground) (119 cm), 20° rollback (ground line), 69.2 inches height (at pin) (175 cm), 54.1 inches clearance (dumped) (137 cm), boom cyl 1.50 inches (3 cm), boom rod 1.125 inches (2 cm), bucket cyl 1.50 inches (3 cm), bucket rod 1.00 inches (2 cm), bucket width 42 inches (106 cm), 48 inches (121 cm), 54 inches (137 cm) |
| 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 | unsynchronized gear |
|---|---|
| Gears | 6 forward and 2 reverse |
| Notes | Transmission shifted using two levers. Left-hand lever selects three forward gears or reverse, right-hand lever selects high or low range. |
| Clutch | dry plate |
| Oil capacity | 12.2 qts (11.5 L) |
Tractor hitch
| Rear Type | I |
|---|---|
| Rear lift | 400 lbs (181 kg) |
Serial Numbers
| 1976 | 10001 |
|---|---|
| 1977 | 13931 |
| 1978 | 36646 |
| 1979 | 54221 |
| 1980 | 64448 |
| 1981 | 70678 |
| 1982 | 74217 |
| 1983 | 76009 |
| 1984 | 77309 |
| 1985 | 78435 |
| Location | Clutch housing, left side |
Dimensions & Tires
| Width | 40 inches (101 cm) |
|---|---|
| Length | 78.75 inches (200 cm) |
| Weight | 1080 lbs (489 kg) |
| Wheelbase | 49.5 inches (125 cm) |
| Rear tread | 26/28/30 inches (66/71/76 cm) |
| Front tread | 32.5 inches (82 cm) |
| Lawn/turf rear | 29x12.00-15 |
| Lawn/turf front | 20.5x8.00-10 |
| Ground clearance | 11.375 inches (transmission case) (28 cm) |
| Clearance (front axle) | 9.5 inches (24 cm) |
| 4WD Standard tires (ag) | Front: 6-12. Rear: 8.3-16 |
| Height (steering wheel) | 45.5 inches (115 cm) |
Power Take-off (PTO)
| Rear PTO | transmission |
|---|---|
| Engine RPM | 514@2800, 876@2800, 1498@2800 |
| Rear PTO Type | 540 (1.375) |
| Front PTO Type | 2800 |