Construction Machinery: Mini Digger Hitachi

Model	Hydraulic system overflow valve pressure
ZX8-2	17700 kPa - 2567.2 lb / sq. inch
ZX40U-2	24500 kPa - 3553.4 lb / sq. inch
ZX35U-2	24500 kPa - 3553.4 lb / sq. inch
ZX30U-2	24500 kPa - 3553.4 lb / sq. inch
ZX27U-2	24500 kPa - 3553.4 lb / sq. inch
ZX22U-2	20600 kPa - 2987.8 lb / sq. inch
ZX17U-2	20600 kPa - 2987.8 lb / sq. inch
ZX10U-2	17700 kPa - 2567.2 lb / sq. inch
EX45-2	26478 kPa - 3840.3 lb / sq. inch
EX40-2	26478 kPa - 3840.3 lb / sq. inch
EX35-2	22555.3 kPa - 3271.4 lb / sq. inch
EX30-2	22555.3 kPa - 3271.4 lb / sq. inch
EX15-2	21084.3 kPa - 3058 lb / sq. inch
EX12-2	21084.3 kPa - 3058 lb / sq. inch