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Kubota L3430 Tractor

The Kubota L3430 is a L30-series compact utility tractor. This model was manufactured between 2003 and 2007. The tractor was designed in 3 versions: L3430DT (4WD, 8-speed), L3430HST (Hydro), and L3430HSTC (Cab, hydro).

The Kubota L3430 driveline consists of a 100.5 cu.in (1.65 L) Kubota D1703 three-cylinder indirect injection diesel engine and 8x8 Sync Shuttle fully synchronized transmission (FST), or 3-range hydrostatic transmission with infinite forward and reverse gears. The engine has a cylinder bore of 3.4" (87 mm), piston stroke of 3.6" (92.4 mm), and rated power of 33.6 hp (25.1 kW).

Max. travel speed (forward/reverse): 19.2 mph (31 km/h) and 16 mph (25.8 km/h). The open center hydraulic system includes a gear pump with fluid flow rate of 8.3 gallons per minute (31.5 liters per minute). The hydraulic system pressure is 177 bar (2560 psi). The Kubota L3430 is equipped with a hydrostatic power steering, wet disc brakes, 7.00x16 front tires, and 12.4x24 rear tires. The wheel base is 71.1" (1805 mm).

The tractor is compatible with the following attachments: Kubota LA723 loader with 72" (1820 mm) bucket and max lift height of 102.4" (2600 mm), or Kubota LA513 loader with 66" (1670 mm) bucket and max lift height of 96.5" (2450 mm).

Engine Model Kubota D1703
Engine Type 4-cycle, vertical, 3-cylinder indirect injection diesel
Number of Cylinders 3
Displacement, cu in (L) 100.5 (1.647)
Engine Bore, in (mm) 3.40 (87.0)
Engine Stroke, in (mm) 3.60 (92.4)
Aspiration Natural
Rated Engine Power, hp (kW) 33.6 (25.1)
Rated Engine Speed, rpm 2700
Maximum Torque, Nm (ft-lbs) 108.3 (80)
Torque Speed, rpm 1800
Compression Ratio 22.6:1
Firing Order 1-2-3
Fuel System Indirect injection
Lubricating system Forced lubrication by trochoidal pump
Cooling system Pressurized
Fuel Tank Capacity, gal (L) 10.6 (40.0)
Oil Capacity, qts (L) 6.0 (5.7)
Coolant Capacity, qts (L) 6.3 (6.0)
Electrical System Rating, Volts 12
Alternator Rating, Amps 40/60

Power Take-Off
PTO Operational Type Independent
PTO Horsepower, hp (kW) 29.0 (21.3)
Rear PTO Speed, rpm 540/750
Rear PTO / Engine Speed, rpm 540/2550, 750/2250
Mid PTO Optional
Mid PTO Speed, rpm 2000

Standard Transmission
Transmission Type FST Sync Shuttle
Gearbox Type 8F/8R, Fully synchronized
Creeper Optional
Number of Forward Gears 8 (16 with creeper)
Number of Reverse Gears 8 (16 with creeper)
Clutch Type Dry type single stage
Oil Capacity, qts (L) 44.5 (42.0)
Maximum Forward Speed, mph (kph) 19.2 (31.0)
Maximum Reverse Speed, mph (kph) 16.0 (25.8)

Optional Transmission
Transmission Type Hydrostatic (HST)
Number of Forward Gears Infinite (3-range)
Number of Reverse Gears Infinite (3-range)
Maximum Forward Speed, mph (kph) 19.2 (31.0)
Maximum Reverse Speed, mph (kph) 19.2 (31.0)

Wheels and Tires
Drive Wheels 4WD 4x4
Steering Configuration Front steer
Steering System Hydrostatic power
Brakes Type Wet disc
Front Tire Size 7.0x16
Rear Tire Size 12.4x24
Front Tread, in (mm) 45.3 (1150)
Rear Tread, in (mm) 43.7-54.5 (1110-1385)

Hydraulic System
Hydraulic System Type Open Center
Implement Pump Flow, gpm (Lpm) 8.3 (31.5)
Steering Pump Flow, gpm (Lpm) 4.9 (18.5)
Hydraulic Pressure, Bar (psi) 177 (2560)
Number of Standard Remote Valves 3
3-Point Hitch Category 1
Draft Sensing or Lift Control Position control
Standard Lift Capacity 24-in (600 mm) behind pin, lb (kg) 2650 (1200)
Standard Lift Capacity at lift pin, lb (kg) 3750 (1700)
Upper Link Pin Diameter, in (mm) 0.75 (19.0)
Lower Link Pin Diameter, in (mm) 0.88 (22.4)
Lower Hitch Spacing, in (mm) 28 (718)

Dimensions and Weight
Wheelbase, in (mm) 71.1 (1805)
Overall Length, in (mm) 118.7 (3015)
Height (ROPS), in (mm) 95.1 (2415)
Overall Width, in (mm) 56.3 (1430)
Ground Clearance, in (mm) 14.6 (370)
Turning Radius, in (mm) 106.7 (2700)
Weight, lb (kg) 3220 (1460)



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