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Kubota B1550 Specifications
The Kubota B1550 is a 2WD or 4WD compact utility tractor from B-Series. This model was manufactured from 1988 to 1997. The Kubota B1550 tractor is powered by 52.2 cu.in (0.86 L) Kubota D850-5B 4-cycle vertical 3-cylinder indirect injection naturally aspirated liquid-cooled diesel engine with a rated power of 17 hp (12.7 kW). The tractor is fitted with several types of transmission: gear shift transmission with 6 forward and 2 reverse gears, or 2-range hydrostatic transmission with infinite forward and reverse gears.
The open center hydraulic system has a gear pump with a rated capacity of 5.5 gpm (20.8 lpm). The Kubota B1550 tractor is equipped with a manual or power steering, internal expanding brakes, 5.00x10 (2WD) or 6.00x12 (4WD) front tires, and 7.00x16 (2WD) or 8.00x16 (4WD) rear tires. Compatible attachments for the tractor: 48", 54" or 60" mid-mount mower deck, Kubota B1640A front-end loader, Kubota LA300 front-end loader, Kubota BL4520B backhoe, and Kubota B4572 backhoe.
| Engine Specs |
Engine Model ................. Kubota D850-5B
Engine Type ................. 4-cycle vertical in-line IDI liquid-cooled diesel
Number of Cylinders ................. 3
Total Displacement, cu.in (L) ................. 52.2 (0.855)
Cylinder Bore, in (mm) ................. 2.86 (72.0)
Piston Stroke, in (mm) ................. 2.76 (70.0)
Rated Engine Power, hp (kW) ................. 17.0 (12.7)
Rated Engine Speed, rpm ................. 2600
Idling Speed, rpm ................. 800
Aspiration Type ................. Naturally aspirated
Compression Ratio ................. 22:1
Firing Order ................. 1-2-3
Fuel System ................. Indirect injection
Fuel Injection Pump ................. Bosch K type mini pump
Injection Nozzle ................. Bosch throttle type
Governor Type ................. Mechanical
Lubricating System ................. Forced with trochoid pump
Oil Filter Type ................. Full flow paper element
Cooling System ................. Liquid-cooled
Air Cleaner Type ................. Dry element
Starting System ................. Electric starting with starter
Fuel Tank Capacity, gal (L) ................. 4.8 (18.0)
Engine Oil Capacity, qts (L) ................. 3.3 (3.1)
Coolant Capacity, qts (L) ................. 3.1 (2.9)
Electrical System Rating, Volts ................. 12
Charging System ................. Alternator
| Power Take-Off |
PTO Operational Type (Gear) ................. Transmission
PTO Operational Type (HST) ................. Live
PTO Power (Gear), hp (kW) ................. 14.0 (10.4)
PTO Power (HST), hp (kW) ................. 12.5 (9.3)
Rear PTO Speed (Gear), rpm ................. 540/924
Rear PTO Speed (HST), rpm ................. 540/858
Mid PTO Speed (Gear), rpm ................. 2416
Mid PTO Speed (HST), rpm ................. 2455
| Standard Transmission |
Transmission Type ................. Gear shift
Gearbox Type ................. 6F/2R
Number of Forward Gears ................. 6
Number of Reverse Gears ................. 2
Clutch Type ................. Dry single plate
Oil Capacity, qts (L) ................. 12.6 (12.0)
Maximum Forward Speed, mph (kph) ................. 8.3 (13.2)
Maximum Reverse Speed, mph (kph) ................. 3.5 (5.7)
| Optional Transmission |
Transmission Type ................. Hydrostatic
Number of Forward Gears ................. Infinite (2-range)
Number of Reverse Gears ................. Infinite (2-range)
Oil Capacity, qts (L) ................. 14.2 (13.5)
Maximum Forward Speed (Low), mph (kph) ................. 3.1 (5.0)
Maximum Forward Speed (High), mph (kph) ................. 7.9 (12.6)
Maximum Reverse Speed (Low), mph (kph) ................. 2.3 (3.7)
Maximum Reverse Speed (High), mph (kph) ................. 5.9 (9.5)
| Wheels and Tires |
Wheel Drive System ................. 2WD/4WD
Steering Configuration ................. Front steer
Steering System (Std) ................. Manual steering
Steering System (Opt) ................. Integral power steering
Brake Type ................. Internal expanding
Front Tire Size (2WD) ................. 4.50x10
Front Tire Size (2WD) ................. 5.00x10
Front Tire Size (4WD) ................. 6.00x12
Rear Tire Size (2WD) ................. 7.00x16
Rear Tire Size (4WD) ................. 8.00x16
Front Tread, in (mm) ................. 28.1-31.3 (710-795)
Rear Tread, in (mm) ................. 29.1-35.8 (740-910)
| Hydraulic System |
Hydraulic System Type ................. Open center
Hydraulic Pump Type ................. Gear
Hydraulic Pump Flow, gpm (Lpm) ................. 5.5 (20.8)
Three-Point Hitch Category ................. 1
Draft Sensing or Lift Control ................. Position control
Lift Capacity at lift pin, lbs (kg) ................. 1035 (470)
Lift Capacity at 24" (0.6m) behind pin, lbs (kg) ................. 825 (375)
| Dimensions and Weight |
Wheelbase, in (mm) ................. 57.9 (1470)
Overall Length, in (mm) ................. 101 (2565)
Height (ROPS), in (mm) ................. 74.8 (1900)
Overall Width, in (mm) ................. 43.7 (1110)
Ground Clearance, in (mm) ................. 10.1 (255)
Turning Radius (2WD, Gear), in (mm) ................. 78.7 (2000)
Turning Radius (4WD, Gear), in (mm) ................. 82.7 (2100)
Turning Radius (2WD, HST), in (mm) ................. 82.7 (2100)
Turning Radius (4WD, HST), in (mm) ................. 90.6 (2300)
Weight (2WD, Gear), lbs (kg) ................. 1225 (555)
Weight (4WD, Gear), lbs (kg) ................. 1345 (610)
Weight (2WD, HST), lbs (kg) ................. 1255 (572)
Weight (4WD, HST), lbs (kg) ................. 1385 (625)
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| Farm Tractors Technical Specifications |