20
500 SeriesTechnical specification
Model 520 528
Engine make and type Kubota D722 Kubota D1105
Function 4-stroke 4-stroke
Coolant Water Water
Number of cylinders 3 3
Starter electric electric
Bore x stroke 2.64 x 2.68 in (67 x 68 mm) 3,07 x 3,09 in (78,0 x 78,4 mm)
Displacement 43.9 in³ (719 cm³) 68.6 in³ (1124 cm³)
Output (ECE R120) 20 hp (14 kW) 26 hp (19 kW)
Fuel Ultra low sulfur diesel fuel Ultra low sulfur diesel fuel
Fuel tank capacity 5.3 gal (20 l) 7.9 gal (30 l)
Engine oil type API CC API CC
Viscosity SAE 10W-30 SAE 10W-30
Engine oil capacity 1.0 gal (3,8 l) 1.3 gal (5,1 l)
Charging current max.
40 A 40 A
Tires Tread
pattern
Part no. Pressure Machine width Fits with fenders
Front Rear
Fits with
snow chains
27x8.50-15 TR 65414 36 psi 40.6 in - - 65723
23x8.50-12 GR 65994 29 psi 42.5 in x x 64455
23x8.50-12 TR 65995 29 psi 42.5 in x x 64455
23x10.50-12 GR 65996 29 psi 44.5 in x x 64745
23x10.50-12 TR 65997 29 psi 44.5 in x x 64745
26x12.00-12 GR 65212 29 psi 50.8 in x x 64973
26x12.00-12 TR 65739 29 psi 50.8 in x x 64973
320/60-12 TR 65224 29 psi 50.8 in x x 65603
Fuel requirements
Diesel fuel must meet the Ultra low sulfur diesel fuel requirements. Never add petroleum or any additives to diesel fuel.
To comply with emissions standards, use only ULSD fuel with sulfur content less than 15 ppm / 0,0015 %.
Engine oil requirements
Use only high quality engine oil with the viscosity rating
recommended by the engine manufacturer with API service
class SJ or higher. See also Kubota Operator’s Manual. In cold
conditions use high quality multi grade oil.
Tires
The loader can be equipped with different type of tires for different operating conditions. Grass pattern (GR) tires will
damage the ground surface less than tractor (TR) tires, but provide less traction.
For the best stability and controllability, always use the largest tires possible. Tires that are narrower than the standard
tires are intended for special purposes only with width restriction on the machine. Use only tires and rims that meet
the original specications and dimensions to avoid potential issues with load capacity, tire size, or bearing load on
drive motors. Consult your dealer if further information is needed. Special tires, such as studded wheels may also be
available. Consult your dealer for further information.
Engine specification
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