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Kubota B7100 Tractor
The
Kubota B7100 compact utility tractor was manufactured from 1976 to 1985. The
tractor was designed in 2 versions: B7100E (2WD) and B7100D (4WD). The Kubota
B7100 tractor is equipped with a 46.5 cu.in (0.8L) Kubota D750 4-cycle vertical
3-cylinder water-cooled diesel engine.
The engine has a cylinder bore of 2.68" (68 mm), piston stroke of 2.76"
(70 mm), maximum power of 16 hp (11.9 kW), and 50.1 Nm (37.2 lb-ft) of
peak torque at 1800 rpm. The mechanical transmission consists of a dry
clutch and unsynchronized gearbox with 6 forward and 2 reverse gears.
The maximum travel speed (forward and reverse): 8.3 mph (13.4 km/h) /
4.2 mph (6.7 km/h). The open center hydraulic system includes a gear
pump with fluid flow rate of 3 gpm (11.4 lpm). The hydraulic system
pressure is 117 bar (1700 psi). The Kubota B7100 is equipped with a ball
screw type manual steering, independent brakes with dry drum, 4.00x9
(2WD) or 6.00x12 (4WD) front tires, and 7.00x16 (2WD) or 8.00x16 (4WD)
rear tires. The wheelbase is 48.8" (1240 mm) for 2-wheel drive models
and 49.2" (1250 mm) for 4-wheel drive models.
| Engine Model |
Kubota D750 |
| Engine Type |
4-cycle vertical 3-cylinder water-cooled diesel |
| Number of Cylinders |
3 |
| Displacement, cu.in (L) |
46.5 (0.8) |
| Engine Bore, in (mm) |
2.68 (68.0) |
| Engine Stroke, in (mm) |
2.76 (70.0) |
| Aspiration |
Naturally aspirated |
| Maximum Engine Power, hp (kW) |
16.0 (11.9) |
| Rated Engine Power, hp (kW) |
13.0 (9.7) |
| Rated Engine Speed, rpm |
2800 |
| Maximum Torque, Nm (lb-ft) |
50.1 (37.2) |
| Torque Speed, rpm |
1800 |
| Compression Ratio |
22:1 |
| Firing Order |
1-2-3 |
| Fuel System |
Indirect injection |
| Lubricating System |
Forced Lubrication by Trochoid Pump |
| Cooling System |
Pressurized Radiator, Forced Circulation with Water Pump |
| Starting System |
Electric Starting |
| Fuel Tank Capacity, gal (L) |
3.5 (13.0) |
| Oil Capacity, qts (L) |
4.1 (3.9) |
| Coolant Capacity, qts (L) |
5.0 (4.7) |
| Electrical System Rating, Volts |
12 |
| PTO Operational Type |
Transmission |
| PTO Horsepower, hp (kW) |
13.5 (9.7) |
| Rear PTO Speed, rpm |
540/750/1000 |
| Rear PTO / Engine Speed, rpm |
540/3000 |
| Rear PTO / Engine Speed, rpm |
750/3000 |
| Rear PTO / Engine Speed, rpm |
1000/3000 |
| Front PTO Speed, rpm |
540 |
| Front PTO / Engine Speed, rpm |
540/2800 |
| Transmission Type |
Unsynchronized gear |
| Gearbox Type |
6F/2R |
| Number of Forward Gears |
6 |
| Number of Reverse Gears |
2 |
| Clutch Type |
Dry plate |
| Oil Capacity, qts (L) |
12.2 (11.5) |
| Maximum Forward Speed, mph (kph) |
8.3 (13.4) |
| Maximum Reverse Speed, mph (kph) |
4.2 (6.7) |
| Drive Wheels |
2WD/4WD |
| Steering Configuration |
Front Steer |
| Steering System |
Manual, ball screw type |
| Brakes Type |
Right and left independent with dry drum |
| Front Tires (2WD) |
4.00x9 |
| Rear Tires (2WD) |
7.00x16 |
| Front Tires (4WD) |
6.00x12 |
| Rear Tires (4WD) |
8.00x16 |
| Front Tread (2WD), in (mm) |
27.2-30.5 (685-770) |
| Rear Tread (2WD), in (mm) |
28.8-32.7 (725-825) |
| Front Tread (4WD), in (mm) |
33.7-35.5 (850-895) |
| Rear Tread (4WD), in (mm) |
28.8-33.6 (725-845) |
| Hydraulic System Type |
Open Center |
| Hydraulic Pump Type |
Gear |
| Implement Pump Flow, gpm (Lpm) |
3.0 (11.4) |
| Hydraulic Pressure, Bar (psi) |
117 (1700) |
| Hydraulic Fluid Capacity, gal (L) |
3.6 (13.6) |
| 3-Point Hitch Category |
1 |
| Standard Lift Capacity at pin, lb (kg) |
880 (400) |
| Wheelbase (2WD), in (mm) |
48.8 (1240) |
| Wheelbase (4WD), in (mm) |
49.2 (1250) |
| Length, in (mm) |
78.8 (2000) |
| Height, in (mm) |
45.5 (1150) |
| Overall Width, in (mm) |
40 (1015) |
| Ground Clearance, in (mm) |
9.5 (240) |
| Weight (2WD), lb (kg) |
1010 (460) |
| Weight (4WD), lb (kg) |
1080 (490) |
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| Farm Tractors Technical Specifications |
