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Kubota B1620 Specifications
The Kubota B1620 compact utility tractor from B20 Series was manufactured between 2008 and 2017. The Kubota B1620 tractor is powered by Kubota D722 4-cycle vertical 3-cylinder naturally aspirated liquid-cooled diesel engine. A 43.9 cubic inches (0.7 L) engine has a cylinder bore of 2.64" (67 mm), piston stroke of 2.68" (68 mm), and rated power of 13.9 Hp (10.3 kW). This model is fitted with a gear transmission with 6 forward and 2 reverse gears.
The open center hydraulic system has a gear pump with a rated capacity of 3.7 gpm (14.1 lpm). The Kubota B1620 tractor is equipped with a manual steering system, wet disc brakes, 5.00x12 front tires, and 8.00x16 rear tires. The operating weight is 1230 lbs (560 kg). The tractor is compatible with Kubota LA213 front-end loader and 48" mid-mount side discharge Kubota RCK48-16B mower deck.
| Engine Specs |
Engine Model ................. Kubota D722
Engine Type ................. 4 cycle vertical 3-cylinder liquid-cooled diesel
Number of Cylinders ................. 3
Displacement, cu.in (L) ................. 43.88 (0.719)
Cylinder Bore, in (mm) ................. 2.64 (67.0)
Piston Stroke, in (mm) ................. 2.68 (68.0)
Aspiration Type ................. Naturally aspirated
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 Ratio ................. 23.5:1
Firing Order ................. 1-2-3
Fuel System ................. Injection pump
Fuel Injection Pump ................. Bosch MD type
Governor Type ................. Mechanical
Lubricating System ................. Forced lubrication by trochoid pump
Cooling System ................. Liquid-cooled
Fuel Tank Capacity, gal (L) ................. 3.7 (14.0)
Oil Capacity, qts (L) ................. 4.0 (3.8)
Starting System ................. Electric starter
Electrical System Rating, Volts ................. 12
| Power Take-Off |
PTO Operational Type ................. Transmission
PTO Power, hp (kW) ................. 12.7 (9.4)
PTO Clutch ................. One way clutch
Rear PTO Speed, rpm ................. 540/1000
Mid PTO Speed, rpm ................. 2500
| 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 |
Wheel Drive System ................. 2WD/4WD
Steering Configuration ................. Front steer
Steering System ................. Manual
Brake Type ................. Wet disc
Front Tire Size ................. 5.00x12
Rear Tire Size ................. 8.00x16
Front Tread, in (mm) ................. 30.3 (767)
Rear Tread, in (mm) ................. 29.4-40.9 (743-1035)
| 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
Three-Point Hitch Category ................. 1
Lift Capacity at lift pin, lbs (kg) ................. 1190 (540)
| Dimensions and Weight |
Wheelbase, in (mm) ................. 50.2 (1270)
Overall 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)
Operating Weight, lbs (kg) ................. 1230 (560)
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