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Information pump assy, supply Denso
Product
Fuel Injection Pump
Vehicle engine
INDUSTRIAL SA6D125
Engine
SA6D125
Serial start-end
0502-
Info
Injector Nozzle
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HP0 Diesel Injector Pump 6251-71-1121 6251-71-1120 094000-0574 094000-0572 094000-0571 094000-0570
WSVKJLGR Tip: Before placing your order, please carefully check and confirm that the model and part number of the fuel injection pump you order matches the specifications of your specific equipment. || Simple installation: reasonable design and simple installation steps to ensure the normal function of the fuel injection pump. || Precise control: Precise control of fuel flow makes engine power output more stable. || Stable pressure: stable output of fuel pressure under various working conditions to ensure continuous and stable operation of the engine. || High-precision injection: The injection pump adopts advanced technology to achieve high-precision fuel injection to ensure full fuel combustion and improve engine performance.
WSVKJLGR Tip: Before placing your order, please carefully check and confirm that the model and part number of the fuel injection pump you order matches the specifications of your specific equipment. || Simple installation: reasonable design and simple installation steps to ensure the normal function of the fuel injection pump. || Precise control: Precise control of fuel flow makes engine power output more stable. || Stable pressure: stable output of fuel pressure under various working conditions to ensure continuous and stable operation of the engine. || High-precision injection: The injection pump adopts advanced technology to achieve high-precision fuel injection to ensure full fuel combustion and improve engine performance.
6251-71-1121 Fuel Diesel Injection Injector Pump 094000-0570 094000-0571 094000-0572 094000-0573 094000-0574 Compatible With Komatsu SA6D12
WSVKJLGR Tip: Before placing your order, please carefully check and confirm that the model and part number of the fuel injection pump you order matches the specifications of your specific equipment. || Simple installation: reasonable design and simple installation steps to ensure the normal function of the fuel injection pump. || Precise control: Precise control of fuel flow makes engine power output more stable. || Stable pressure: stable output of fuel pressure under various working conditions to ensure continuous and stable operation of the engine. || High-precision injection: The injection pump adopts advanced technology to achieve high-precision fuel injection to ensure full fuel combustion and improve engine performance.
WSVKJLGR Tip: Before placing your order, please carefully check and confirm that the model and part number of the fuel injection pump you order matches the specifications of your specific equipment. || Simple installation: reasonable design and simple installation steps to ensure the normal function of the fuel injection pump. || Precise control: Precise control of fuel flow makes engine power output more stable. || Stable pressure: stable output of fuel pressure under various working conditions to ensure continuous and stable operation of the engine. || High-precision injection: The injection pump adopts advanced technology to achieve high-precision fuel injection to ensure full fuel combustion and improve engine performance.
HP0 Diesel Injector Pump 6251-71-1121 6251-71-1120 094000-0574 094000-0572 094000-0571 094000-0570
WSVKJLGR Tip: Before placing your order, please carefully check and confirm that the model and part number of the fuel injection pump you order matches the specifications of your specific equipment. || Simple installation: reasonable design and simple installation steps to ensure the normal function of the fuel injection pump. || Precise control: Precise control of fuel flow makes engine power output more stable. || Stable pressure: stable output of fuel pressure under various working conditions to ensure continuous and stable operation of the engine. || High-precision injection: The injection pump adopts advanced technology to achieve high-precision fuel injection to ensure full fuel combustion and improve engine performance.
WSVKJLGR Tip: Before placing your order, please carefully check and confirm that the model and part number of the fuel injection pump you order matches the specifications of your specific equipment. || Simple installation: reasonable design and simple installation steps to ensure the normal function of the fuel injection pump. || Precise control: Precise control of fuel flow makes engine power output more stable. || Stable pressure: stable output of fuel pressure under various working conditions to ensure continuous and stable operation of the engine. || High-precision injection: The injection pump adopts advanced technology to achieve high-precision fuel injection to ensure full fuel combustion and improve engine performance.
Components :
Scheme #.#:
№
Qty
Part num
Name
Remarks
Manufacture num
Cross reference number
Part num
Firm num
Firm
Name
09400-00570
PUMP ASSY, SUPPLY
0940000570
6251-71-1120
KOMATSU
PUMP ASSY SUPPLY
Information:
(1) Crown assembly.(2) Connecting rod. Install connecting rod and piston group with rod forging part number to the rear of the engine. The rear of the engine is the flywheel end. Thoroughly lubricate the piston group with clean engine oil just before inserting into block group.(3) Piston skirt.Top And Intermediate Ring
Install piston ring with "UP" side toward top of piston.(4) Top Ring has the mark "UP-1". Clearance between ends of piston ring when installed in a cylinder with a bore size of 105.025 mm (4.1348 in) ... 0.57 0.19 mm (.022 .007 in)Increase in clearance between ends of piston ring for each 0.03 mm (.001 in) increase in cylinder bore size ... 0.09 mm (.004 in)(5) Intermediate Ring has the mark "UP-2". Clearance between ends of piston ring when installed in a cylinder with a bore size of 105.025 mm (4.1348 in) ... 0.828 0.125 mm (.0033 .005 in)Increase in clearance between ends of piston ring for each 0.03 mm (.001 in) increase in cylinder bore size ... 0.09 mm (.004 in)Oil Control Ring
(6) Install Oil Control Ring with the gap in the spring 180 degrees away from the gap in the ring. Light green portion of spring must be visible at the ring end gap. Width of groove in piston for piston ring (new) ... 4.041 0.013 mm (.1591 .0005 in)Thickness of piston ring (new) ... 3.982 0.008 mm (.1568 .0003 in)Clearance between groove and piston ring (new) ... 0.038 to 0.080 mm (.0015 to .0031 in)Clearance between ends of piston ring when installed in a cylinder with a bore size of 105.025 mm (4.1348 in) ... 0.45 0.15 mm (.018 .006 in)Increase in clearance between ends of piston ring for each 0.03 mm (.001 in) increase in cylinder bore size ... 0.09 mm (.004 in) After rings have been installed, rotate so end gaps are apart ... 120 degreesPiston Pin Bore
(7) Pin bore diameter in piston crown bearing ... 40.031 0.007 mm (1.5760 .0003 in) Pin bore diameter in piston skirt ... 40.020 0.008 mm (1.5756 .0003 in)Pin diameter ... 40.000 0.005 mm (1.5748 .0002 in)Thoroughly lubricate pin with clean engine oil before assembling to piston group and connecting rod.
Install piston ring with "UP" side toward top of piston.(4) Top Ring has the mark "UP-1". Clearance between ends of piston ring when installed in a cylinder with a bore size of 105.025 mm (4.1348 in) ... 0.57 0.19 mm (.022 .007 in)Increase in clearance between ends of piston ring for each 0.03 mm (.001 in) increase in cylinder bore size ... 0.09 mm (.004 in)(5) Intermediate Ring has the mark "UP-2". Clearance between ends of piston ring when installed in a cylinder with a bore size of 105.025 mm (4.1348 in) ... 0.828 0.125 mm (.0033 .005 in)Increase in clearance between ends of piston ring for each 0.03 mm (.001 in) increase in cylinder bore size ... 0.09 mm (.004 in)Oil Control Ring
(6) Install Oil Control Ring with the gap in the spring 180 degrees away from the gap in the ring. Light green portion of spring must be visible at the ring end gap. Width of groove in piston for piston ring (new) ... 4.041 0.013 mm (.1591 .0005 in)Thickness of piston ring (new) ... 3.982 0.008 mm (.1568 .0003 in)Clearance between groove and piston ring (new) ... 0.038 to 0.080 mm (.0015 to .0031 in)Clearance between ends of piston ring when installed in a cylinder with a bore size of 105.025 mm (4.1348 in) ... 0.45 0.15 mm (.018 .006 in)Increase in clearance between ends of piston ring for each 0.03 mm (.001 in) increase in cylinder bore size ... 0.09 mm (.004 in) After rings have been installed, rotate so end gaps are apart ... 120 degreesPiston Pin Bore
(7) Pin bore diameter in piston crown bearing ... 40.031 0.007 mm (1.5760 .0003 in) Pin bore diameter in piston skirt ... 40.020 0.008 mm (1.5756 .0003 in)Pin diameter ... 40.000 0.005 mm (1.5748 .0002 in)Thoroughly lubricate pin with clean engine oil before assembling to piston group and connecting rod.