Kubota B1550 HST

Kubota B1550 HSTThe Kubota B1550 HST is a 2WD (B1550HSE) or 4WD (B1550HSD) compact utility tractor from the B series. This tractor was manufactured by the Kubota from 1988 to 1997. The Kubota B1550 HST is equipped with a 0.9 L three-cylinder diesel engine and hydrostatic transmission (HST) transmission with infinite (2-range) forward and reverse gears..

The Kubota B1550 HST utility tractor used the Kubota D850-5B engine. It is a 0.9 L, 855 cm2, (52.2 cu·in) three-cylinder natural aspirated diesel engine with 72.0 mm (2.83 in) of the cylinder bore and 70.0 mm (2.76 in) of the piston stroke. This engine produced 17.3 PS (12.7 kW; 17.0 HP) of gross horsepower and 13.2 PS (9.7 KW; 13.0 HP) of PTO output power.

The Kubota B1550 HST is equipped with recirculating ball manual type steering or integral type power steering, internal-expanding type brakes (right and left independent with interlock device), open operator station with two-post ROPS and 18.0 liters (4.8 US gal.; 4 Imp. gal) fuel tank.

Following attachments are available for Kubota B1550 HST compact utility tractor:

  • Mid-mount Kubota RC60B 60 inch (1,520 mm) mower deck
  • Kubota B1640A loader
  • Kubota BL4520B backhoe

Kubota B1550 HST Specifications

General Specifications
ModelKubota B1550 HST
Length2,565 mm (101 in)
Width1,100 mm (43.3 in)
Height1,900 mm (74.8 in)
Wheel base1,470 mm (57.9 in)
Weight 2WD: 570 kg (1,257 lbs)
4WD: 625 kg (1,378 lbs)
Fuel tank capacity18.0 liters (4.8 US gal.; 4 Imp. gal)
Battery12V 45Ah
Cabin typeOpen operator station with two-post ROPS
Engine modelKubota D850-5B
Engine typeFour-stroke, liquid-cooled, inline
Fuel typeDiesel
Displacement0.9 L, 855 cm2, (52.2 cu·in)
Bore and stroke72.0 mm X 70.0 mm (2.83 in X 2.76 in)
Horsepower17.3 PS (12.7 kW; 17 HP)
Oil typeSAE 10W-30
Oil capacity:3.1 L (3.28 US. qt, 2.73 Imp. qt.)
Coolant capacity:2.9 L (3.06 US. qt, 2.55 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD or 4×4 MFWD 4WD
Steering typeManual or power (option)
BrakesInternal-expanding type, right and left independent with interlock device
Steering gear box0.2 L (0.2 US. qt, 0.17 Imp. qt.)
Front axle diff case (B1550DT) 0.5 L (0.5 US. qt, 0.44 Imp. qt.)
Bi-speed turn: 2.5 L (2.6 US. qt, 2.2 Imp. qt.)
Transmission model
Transmission typeHydrostatic transmission (HST)
GearsInfinite (2-range) forward and reverse
Speed (rear tires 8-16) Forward: 12.6 kmh (7.8 mph) Reverse: 9.5 (5.9 mph)
Transmission oil capacity13.5 L (14.27 US. qt, 11.88 Imp. qt.)
Front tires B1550HSE 2WD:
Ag: 4.50-10, 5.00-10
Lawn/turf: 18×9.50-8
B1550HSD 4WD:
Ag: 6-12B
Lawn/turf: 20.5×8.00-10
Rear tires B1550HSE 2WD:
Ag: 7-16, 8-16
Lawn/turf: 29×12.00-15, 31×13.5-15
B1550HSD 4WD:
Ag: 8-16
Lawn/turf: 29×12.00-15, 31×13.5-15
Three-Point Hitch
Control typePosition control
Lift capacity375 kg (827 lbs)
PTO (Power take-off shaft)
Middle PTO type
Middle PTO spped2,416 rpm
Rear PTO typeLive
Rear PTO spped540/858 rpm
Hydraulic system
Hydraulic type
Hydraulic capacity13.5 L (14.27 US. qt, 11.88 Imp. qt.)
Pump flow5.5 gpm (20.8 lpm)
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

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