Kubota B1620 Engine Specifications
Engine Model …………….. Kubota D722
Engine Type …………….. 4 cycle, vertical, water-cooled diesel
Number of Cylinders …………….. 3
Displacement, cu in (L) …………….. 43.88 (0.719)
Engine Bore, in (mm) …………….. 2.64 (67.0)
Engine Stroke, in (mm) …………….. 2.68 (68.0)
Aspiration …………….. Natural
Rated Engine Power, hp (kW) …………….. 13.9 (10.3)
Maximum Engine Power, hp (kW) …………….. 15.9 (11.8)
Rated Engine Speed, rpm …………….. 2800
Idling Speed, rpm …………….. 900-3000
Compression …………….. 23.5:1
Firing Order …………….. 1-2-3
Fuel Injection Pump …………….. Bosch MD type
Governor …………….. mechanical type
Lubricating System …………….. Forced lubrication by trochoid pump
Cooling System …………….. Pressurized radiator, forced
circulation with water pump
Fuel Tank Capacity, gal (L) …………….. 3.7 (14.0)
Oil Capacity, qts (L) …………….. 4.0 (3.8)
Electrical System Rating, Volts …………….. 12
Starting System …………….. Electric starter
Power Take-Off
PTO Operational Type …………….. Transmission
PTO Horsepower, hp (kW) …………….. 12.7 (9.4)
PTO Clutch …………….. One way clutch
Rear PTO Speed, rpm …………….. 540/1000
Mid PTO Speed, rpm …………….. 2500
Kubota B1620 Transmission
Transmission Type …………….. Gear shift
Gearbox Type …………….. 6F/2R
Number of Forward Gears …………….. 6
Number of Reverse Gears …………….. 2
Maximum Forward Speed, mph (kph) …………….. 11.9 (19.0)
Maximum Reverse Speed, mph (kph) …………….. 4.4 (7.0)
Wheels and Tires
Drive Wheels …………….. 2WD/4WD
Steering Configuration …………….. Front steer
Steering System …………….. Manual
Brake Type …………….. Wet disc
Front Tire Size …………….. 5.00-12
Rear Tire Size …………….. 8.00-16
Front Tread, in (mm) …………….. 30.3 (767)
Rear Tread, in (mm) …………….. 29.4-40.9 (743-1035)
Kubota B1620 Hydraulic System
Hydraulic System Type …………….. Open center
Hydraulic Pump Type …………….. Gear
Hydraulic Pump Flow, gpm (Lpm) …………….. 3.7 (14.1)
Hydraulic Pressure, Bar (psi) …………….. 120 (1740)
Number of Standard Remote Valves …………….. 1 rear
3-Point Hitch Category …………….. 1
Standard Lift Capacity at lift pin, lb (kg) …………….. 1190 (540)
Kubota B1620 Dimensions and Weight
Wheelbase, in (mm) …………….. 50.2 (1270)
Length, in (mm) …………….. 93.3 (2360)
Height (Steering Wheel), in (mm) …………….. 49.2 (1246)
Height (ROPS), in (mm) …………….. 90 (2250)
Overall Width, in (mm) …………….. 37.2 (940)
Ground Clearance, in (mm) …………….. 10 (250)
Turning Radius, in (mm) …………….. 71.1 (1800)
Weight, lb (kg) …………….. 1230 (560)