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Kubota R310 Specifications

The Kubota R310 wheel loader is powered by 81.5 cu.in (1.3L) Kubota V1305-E 4-cylinder vertical water-cooled diesel engine with a rated power of 25 hp (18.5 kW) at 2600 rpm. The Kubota R310 is equipped with a hydrostatic transmission, power steering system, wet disc brakes, and 10.00x16.5 standard tires. The hydraulic system has a gear pump with fluid flow rate of 11.1 gpm (42 lpm). The hydraulic pressure is 2465 psi (170 bar). The wheel loader has a rated operating capacity of 1340 lbs (610 kg) and tipping load of 2680 lbs (1220 kg). The maximum lift height is 89" (2260 mm) to hinge pin, and bucket breakout force is 3700 lbs (1680 kg).

Engine Model .................... Kubota V1305-E
Engine Type .................... 4-stroke vertical water-cooled diesel
Number of Cylinders .................... Four
Cylinder Bore, in (mm) .................... 2.99 (76.0)
Piston Stroke, in (mm) .................... 2.90 (73.6)
Total Displacement, cu.in (L) .................... 81.5 (1.34)
Rated Engine Power, hp (kW) .................... 25.0 (18.5)
Rated Engine Speed, rpm .................... 2600
Aspiration Type .................... Naturally aspirated
Combustion Chamber .................... Spherical type
Direction of Rotation .................... Counter-clockwise
Compression Ratio .................... 24:1
Firing Order .................... 1-3-4-2
Fuel System .................... Indirect injection
Injection Pump .................... Bosch MD type mini pump
Injection Nozzle .................... Mini nozzle
Governor Type .................... Mechanical
Lubricating System .................... Forced lubrication by trochoid pump
Oil Filter Type .................... Full flow cartridge, paper element
Fuel Tank Capacity, gal (L) .................... 6.9 (26.0)
Oil Capacity, qts (L) .................... 6.3 (6.0)
Coolant Capacity, qts (L) .................... 8.0 (7.6)
Electrical System Rating, Volts .................... 12
Charging System .................... Alternator
Alternator Rating, Amps .................... 45

Transmission Type .................... Hydrostatic
Number of Forward Gears .................... Infinite
Number of Reverse Gears .................... Infinite
Maximum Forward Speed, mph (kph) .................... 8.8 (14.0)
Maximum Reverse Speed, mph (kph) .................... 8.8 (14.0)

Drive System Type .................... Four-wheel drive (4WD)
Steering Configuration .................... Articulated frame
Steering System .................... Hydrostatic power
Service Brakes Type .................... Wet disc
Front Tire Size (Std) .................... 10.00x16.5
Rear Tire Size (Std) .................... 10.00x16.5
Front Tire Size (Opt) .................... 31x12.00x16.5
Rear Tire Size (Opt) .................... 31x12.00x16.5

Hydraulic System Type .................... Open center
Hydraulic Pump Type .................... Gear
Pump Capacity, gpm (Lpm) .................... 11.1 (42.0)
System Pressure, psi (Bar) .................... 2465 (170)
Hydraulic Tank Capacity, gal (L) .................... 6.3 (24.0)
Hydraulic System Capacity, gal (L) .................... 5.3 (20.0)

Rated Operating Capacity (Straight), lbs (kg) .................... 1595 (725)
Rated Operating Capacity (Full Turn), lbs (kg) .................... 1340 (610)
Tipping Load (Straight), lbs (kg) .................... 3190 (1450)
Tipping Load (Full Turn), lbs (kg) .................... 2680 (1220)
Lift Capacity, lbs (kg) .................... 1980 (900)
Breakout Force, lbs (kg) .................... 3700 (1680)

Maximum Lift Height At Hinge Pin, in (mm) .................... 89 (2260)
Height To Top Of Cab, in (mm) .................... 96.3 (2445)
Length With Bucket On Ground, in (mm) .................... 137.2 (3485)
Width (Tread Center), in (mm) .................... 41.3 (1050)
Width (Over Tires), in (mm) .................... 53 (1345)
Wheel Base, in (mm) .................... 57.1 (1450)
Ground Clearance, in (mm) .................... 9 (230)
Articulation Angle, deg .................... 41
Bucket Width, in (mm) .................... 54 (1370)
Bucket Capacity, cu.ft (m3) .................... 10.6 (0.3)
Dump Angle At Full Height, deg .................... 46
Clearance With Bucket Dumped, in (mm) .................... 65.6 (1665)
Reach At Full Height, in (mm) .................... 28.4 (720)
Operating Weight (Cab), lbs (kg) .................... 4880 (2220)
Operating Weight (Canopy), lbs (kg) .................... 4380 (1990)

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Wheel Loaders, Skid Steers, and Compact Track Loaders