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  Wheel Loaders

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Kubota R520 Specifications

The Kubota R520 wheel loader driveline system components: 134.1 cu.in (2.2L) Kubota V2203-M-E2 4-cylinder water-cooled diesel engine with a rated power of 45 hp (33.3 kW), and hydrostatic transmission. The open center hydraulic system has a pump with a rated capacity of 15.4 gal/min (58.3 l/min). The system relief pressure is 3000 psi (206 bar). The Kubota R520 is equipped with a power steering system, wet disc brakes, and 15.5/60x18 tires. The wheel loader has a maximum lift height to hinge pin of 130.3" (3310 mm) and boom breakout force of 7425 lbs (3375 kg). The rated operating capacity is 2728 lbs (1240 kg), and tipping load is 5455 lbs (2480 kg).

Engine Model .................... Kubota V2203-M-E2
Engine Type .................... Vertical water-cooled 4-cylinder diesel
Number of Cylinders .................... Four
Displacement, cu.in (L) .................... 134.1 (2.2)
Cylinder Bore, in (mm) .................... 3.43 (87.0)
Piston Stroke, in (mm) .................... 3.64 (92.4)
Aspiration Type .................... Naturally aspirated
Rated Engine Power, hp (kW) .................... 45.0 (33.3)
Rated Engine Speed, rpm .................... 2600
Idling Speed, rpm .................... 1075-3000
Compression Ratio .................... 22.6:1
Firing Order .................... 1-3-4-2
Fuel System .................... Direct injection
Governor Type .................... Centrifugal, mechanical
Lubricating System .................... Pressure lubrication with filter
Cooling System .................... Pressurized with radiator
Combustion Chamber .................... Spherical type (E-TVCS)
Fuel Tank Capacity, gal (L) .................... 14.2 (54.0)
Oil Capacity, qts (L) .................... 9.2 (8.7)
Coolant Capacity, qts (L) .................... 12.0 (11.3)
Electrical System Rating, Volts .................... 12
Charging System .................... Alternator
Alternator Rating, Amps .................... 90

Transmission Type .................... Hydrostatic
Number of Forward Gears .................... Infinite
Number of Reverse Gears .................... Infinite
Maximum Forward Speed, mph (kph) .................... 12.5 (20.0)
Maximum Reverse Speed, 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) .................... 15.5/60x18
Rear Tire Size (Std) .................... 15.5/60x18
Front Tire Size (Opt) .................... 12.5/80x18
Rear Tire Size (Opt) .................... 12.5/80x18

Hydraulic System Type .................... Open center
Hydraulic Pump Type .................... Gear
Pump Capacity, gpm (Lpm) .................... 15.4 (58.3)
System Pressure, psi (Bar) .................... 3000 (206)
Hydraulic Tank Capacity, gal (L) .................... 11.0 (42.0)
Hydraulic System Capacity, gal (L) .................... 16.3 (62.0)

Rated Operating Capacity (Straight, Cab), lbs (kg) .................... 3212 (1460)
Rated Operating Capacity (Straight, Canopy), lbs (kg) .................... 2850 (1295)
Rated Operating Capacity (Full Turn, Cab), lbs (kg) .................... 2728 (1240)
Rated Operating Capacity (Full Turn, Canopy), lbs (kg) .................... 2420 (1100)
Tipping Load (Straight, Cab), lbs (kg) .................... 6425 (2920)
Tipping Load (Straight, Canopy), lbs (kg) .................... 5700 (2590)
Tipping Load (Full Turn, Cab), lbs (kg) .................... 5455 (2480)
Tipping Load (Full Turn, Canopy), lbs (kg) .................... 4840 (2200)
Lift Capacity, lbs (kg) .................... 5215 (2370)
Breakout Force, lbs (kg) .................... 7425 (3375)

Maximum Lift Height At Hinge Pin, in (mm) .................... 130.3 (3310)
Height To Top Of Cab, in (mm) .................... 109.1 (2640)
Height To Top Of Canopy, in (mm) .................... 101.6 (2580)
Length With Bucket On Ground, in (mm) .................... 190.6 (4840)
Width (Tread Center), in (mm) .................... 53.5 (1360)
Width (Over Tires), in (mm) .................... 69.3 (1760)
Wheel Base, in (mm) .................... 76.8 (1950)
Ground Clearance, in (mm) .................... 12.8 (325)
Articulation Angle, deg .................... 40
Bucket Width, in (mm) .................... 72 (1830)
Bucket Capacity, cu.ft (m3) .................... 22.9 (0.65)
Dump Angle At Full Height, deg .................... 41
Clearance With Bucket Dumped, in (mm) .................... 101.6 (2580)
Reach At Full Height, in (mm) .................... 30.4 (770)
Operating Weight (Cab), lbs (kg) .................... 9020 (4100)
Operating Weight (Canopy), lbs (kg) .................... 8360 (3800)

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