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  Wheel Loaders

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Kubota R430 Specifications

The Kubota R430 wheel loader driveline system components: a 111.4 cu.in (1.8L) Kubota D1803-CR-TE4 3-cylinder turbocharged water-cooled diesel engine with a rated power of 44.5 hp (33.2 kW), and 2-range hydrostatic transmission. The hydraulic system has a pump with a rated capacity of 11.1 gal/min (42.1 l/min). The system relief pressure is 2755 psi (190 bar). The Kubota R430 is equipped with a power steering system, wet disc brakes, and 12.5/70x16 tires. The wheel loader has a maximum lift height of 110.4" (2805 mm) and breakout force of 5850 lbs (2660 kg). The rated operating capacity is 1915 lbs (870 kg), and tipping load is 3830 lbs (1740 kg).

Engine Model .................... Kubota D1803-CR-TE4-WL5
Engine Type .................... 4-stroke vertical water-cooled diesel
Number of Cylinders .................... Three
Cylinder Bore, in (mm) .................... 3.43 (87.0)
Piston Stroke, in (mm) .................... 4.04 (102.4)
Total Displacement, cu.in (L) .................... 111.4 (1.83)
Rated Engine Power, hp (kW) .................... 44.5 (33.2)
Rated Engine Speed, rpm .................... 2600
Idling Speed, rpm .................... 750-850
Aspiration Type .................... Turbocharged
Combustion Chamber .................... Spherical type
Direction of Rotation .................... Counter-clockwise
Compression Ratio .................... 23.8:1
Firing Order .................... 1-2-3
Fuel System .................... Common rail direct injection
Injection Pump .................... Bosch type mini pump
Injection Nozzle .................... Bosch throttle type
Governor Type .................... Centrifugal, mechanical
Lubricating System .................... Forced lubrication by trochoid pump
Oil Filter Type .................... Full flow cartridge, paper element
Cooling System .................... Pressurized radiator, forced circulation with water pump
Starting System .................... Electric starting with starter
Intake Valve Clearance, in (mm) .................... 0.007-0.009 (0.18-0.22)
Exhaust Valve Clearance, in (mm) .................... 0.007-0.009 (0.18-0.22)
Fuel Tank Capacity, gal (L) .................... 14.2 (54.0)
Oil Capacity, qts (L) .................... 5.9 (5.6)
Coolant Capacity, qts (L) .................... 7.9 (7.5)
Electrical System Rating, Volts .................... 12
Charging System .................... Alternator
Alternator Rating, Amps .................... 75

Transmission Type .................... Hydrostatic, 2-range
Number of Forward Gears .................... Infinite
Number of Reverse Gears .................... Infinite
Forward Speed (Low), mph (kph) .................... 3.0 (4.8)
Forward Speed (High), mph (kph) .................... 12.5 (20.0)
Reverse Speed (Low), mph (kph) .................... 3.0 (4.8)
Reverse Speed (High), mph (kph) .................... 12.5 (20.0)

Drive System Type .................... Four-wheel drive (4WD)
Steering Configuration .................... Articulated frame
Steering System .................... Hydrostatic power
Service Brakes Type .................... Wet disc
Front Tire Size (Std) .................... 12.5/70x16
Rear Tire Size (Std) .................... 12.5/70x16
Front Tire Size (Opt) .................... 33x12.50x15
Rear Tire Size (Opt) .................... 33x12.50x15

Hydraulic System Type .................... Open center
Hydraulic Pump Type .................... Gear
Pump Capacity, gpm (Lpm) .................... 11.1 (42.1)
System Pressure, psi (Bar) .................... 2755 (190)
Hydraulic Tank Capacity, gal (L) .................... 11.0 (42.0)
Hydraulic System Capacity, gal (L) .................... 15.3 (58.0)

Rated Operating Capacity (Straight, Canopy), lbs (kg) .................... 2210 (1005)
Rated Operating Capacity (Full Turn, Canopy), lbs (kg) .................... 1915 (870)
Tipping Load (Straight, Canopy), lbs (kg) .................... 4420 (2010)
Tipping Load (Full Turn, Canopy), lbs (kg) .................... 3830 (1740)
Lift Capacity, lbs (kg) .................... 3815 (1734)
Breakout Force, lbs (kg) .................... 5850 (2660)

Maximum Lift Height At Hinge Pin, in (mm) .................... 110.4 (2805)
Height To Top Of Canopy, in (mm) .................... 99 (2515)
Length With Bucket On Ground, in (mm) .................... 167.9 (4265)
Width (Tread Center), in (mm) .................... 46.5 (1180)
Width (Over Tires), in (mm) .................... 59.8 (1520)
Wheel Base, in (mm) .................... 69.9 (1775)
Ground Clearance, in (mm) .................... 11 (280)
Articulation Angle, deg .................... 40
Bucket Width, in (mm) .................... 60 (1525)
Bucket Capacity, cu.ft (m3) .................... 13.4 (0.38)
Digging Depth, in (mm) .................... 1.8 (45)
Dump Angle At Full Height, deg .................... 44
Rollback Angle At Ground, deg .................... 51
Clearance With Bucket Dumped, in (mm) .................... 84.6 (2150)
Reach At Full Height, in (mm) .................... 31.8 (805)
Turning Circle (w/Bucket), in (mm) .................... 144.3 (3665)
Operating Weight (Canopy), lbs (kg) .................... 6775 (3080)

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Wheel Loaders, Skid Steers, and Compact Track Loaders