Komatsu New Aftermarket Parts for Your Machinery - March 30, 2025
Growshine International is your trusted partner for sourcing high-quality aftermarket and OEM parts for a wide range of machinery. We specialize in providing reliable components for construction machinery, heavy trucks, agricultural equipment, and automobiles, facilitating seamless import and export operations globally. Our extensive catalog includes parts made to fit Komatsu equipment, ensuring your machines operate at peak performance.
We offer the 6732-31-1111, 6732311111 Crankshaft Bare KOMATSU New Aftermarket, designed for KOMATSU Excavator PC40-7 Pilot Gear Pump with 4 holes.
Enhance your Komatsu equipment with the 23S-15-12710, 23S1512710 Disc Transmission made to fit Komatsu.
Ensure optimal engine performance with the 6744-41-4031, 6744414031 Valve Spring KOMATSU New Aftermarket.
Power your Komatsu Excavator PC75-1, PW75-1, and PW75R-2 with the reliable 12V 60A Alternator, part number YM129900-77210, YM12990077210, compatible with Komatsu Engine 4D92E-1, 4D94E-1, and 4D98E-1.
Maintain precise steering in your Komatsu Forklift FD10C-17, FD10L-15L-1, FG10L-15L-17, FG15H-17, and FG15H-17-EC with the durable Steering Link, part number 3EA-24-32340SA, 3EA2432340SA.
Keep your Komatsu machinery in top condition with the 707-99-75430, 7079975430 Service Kit made to fit Komatsu.
We supply the high-quality Komatsu Valve Seat with part number 6221-13-1360, 6221131360.
Ensure proper fluid transfer with the 134-03-12111, 1340312111 Hose made to fit Komatsu.
For comprehensive engine maintenance, consider our KMP1024, EOK-4 Overhaul Kit KOMATSU New Aftermarket.
Enhance the stability of your Komatsu PC60-7, PC75US-3, PC70-7, PC78US-6, PC78MR-6, PC88MR-8, PC88MR-10, PC80MR-3, and PC80MR-5 with the robust Track Shoe, part number 201-32-71310, 2013271310.
Protect vital components with the 993193C1 Shield New Original OEM Komatsu.
Ensure proper cooling system function with the Komatsu Water Pump Seal, part number 6210-61-1520, 6210611520.
For Komatsu D65PX-15, we offer the durable 14X-15-22710, 14X1522710 Friction Discs New Aftermarket.
Restore your engine's performance with the Komatsu Cylinder Kit, part number KMP6223.
Secure components effectively with the 600-181-9631, 6001819631 Nut made to fit Komatsu.
Ensure smooth operation with the 6120-21-1450, 6120211450 Bushing made to fit Komatsu.
Maintain optimal hydraulic system performance in your Komatsu Loader WA380-6, WA430-6, WA450-6, WA480-6, and Dozer D375A-5 with the Hydraulic Fan Pump, part number 708-1S-00940, 7081S00940.
For Komatsu Excavator PC60-7, PC70-7, PC75-1, PC75R-2, PC75UD-3, PC75US-3, PC75UU-3, PC78US-5, PW75-1, and PW75R-2, we provide the reliable Swing Machinery Sun Gear, part number 201-26-71171, 2012671171.
Repair your Komatsu Forklift FD20/25-16, FD30-16, FG20/25-16, and FG30-16 Tilt Cylinder with our Seal Kit, part number 3EB-66-54180, 3EB6654180.
We offer the ST423 Ring New Original OEM Komatsu.
Rebuild your Komatsu 6D102 or S6D102E-1 Engine in your PC200-6, PC200LC-6, PC210LC-6, D38E-1, D39E-1, PC220-6, PC220-7, or PC200-7 with our comprehensive Overhaul Rebuild Kit.
Ensure smooth operation with the 07177-01235, 0717701235 Bushing KOMATSU New Aftermarket.
For Komatsu Wheel Loader WA320-1 and WA320-1LC 532, we supply the high-performance Hydraulic Pump, part number 705-51-32080, 7055132080.
Seal components effectively with the 135-04-14530, 1350414530 Plug made to fit Komatsu.
We offer the durable Komatsu Valve Guide with part number 6240-16-1340, 6240161340.
We supply the 313692 Spring New Original OEM Case New Holland / Komatsu.
Ensure proper sealing with the 07000-75290, 0700075290 O Ring made to fit Komatsu.
Restore your engine with the 6240-21-2220, 6240212220 Liner-Cylinder KOMATSU New Aftermarket.
Ensure hydraulic system integrity with the 707-44-10080, 7074410080 Piston Seals made to fit Komatsu.
We offer the Komatsu Rod Bearing Upper, 1.00mm, part number 6736-36-3400, 6736363400.
Ensure proper valve sealing with the Komatsu Valve Seal, part number 6212-41-4540, 6212414540.
Maintain a clean hydraulic system with the Hydraulic Filter 07063-01210, 0706301210, 20Y-60-21510, 20Y6021510, 205-60-51430, 2056051430 for Komatsu Excavator PC200-5, PC210-6, PC230-6, PC300, PC310-5, PC350-6, PC650-3, PC650-5, PC750-6, and PC800-6.
Ensure efficient power transmission with the V-Pulley YM129155-42350, YM12915542350 for Komatsu Engine 3D82AE, 3D84E, 4D84 and Excavator PC25R-8, PC27R-8, PC30MR-1, PC30MR-3, and PC30UU-3.
We supply the Komatsu Crankshaft without Gear, part number 6136-31-1110, 6136311110.
Keep your machinery running smoothly with the 144-15-05220, 1441505220 Service Kit made to fit Komatsu.
Ensure proper alignment with the 130-09-14381, 1300914381 Bearing made to fit Komatsu.
Protect internal components with the 175-30-24250, 1753024250 Cover made to fit Komatsu.
Repair your Komatsu cylinder with the 42T-63-H0P52, 42T63H0P52 Seal Kit cylinder made to fit Komatsu.
Rebuild your Komatsu SAA6D22C-EE-8 engine with our Engine Overhaul Kit, part number 6738-31-2111EK6A-SAA6D22C-EE-8, 6738312111EK6ASAA6D22CEE8 (Standard) for piston 6738-31-2111, 6738312111 made to fit Komatsu.
Ensure proper sealing with the 07016-21400, 0701621400 Wipers made to fit Komatsu.
Use the reliable Komatsu Gasket Maker, 3oz Tube, part number TB1207C for secure sealing.
Seal your valve cover effectively with the 6206-11-8810, 6206118810 Gasket Valve Cover KOMATSU New Aftermarket.
Ensure proper mechanical function with the 6130-51-1321, 6130511321 Shaft made to fit Komatsu.
We offer the 489409S Ring New Original OEM Komatsu.
Power your Komatsu Wheel Loader WA200-6, WA320L-5, WA320PT-5L, WA200-7, and WA200-8 with the high-performance Hydraulic Pump, part number 705-38-30060, 7053830060.
Ensure proper sealing with the 6205-11-5850, 6205115850 Gasket made to fit Komatsu.
We offer the Komatsu Rod Bearing, .50mm, part number 6138-38-3050, 6138383050.
Maintain optimal engine temperature in your Komatsu Excavator PC270-8 and PC290-8 with the Water Tank Radiator, part number 206-03-22412, 2060322412.
We supply the D8NN7N838AA Oil Seal New Original OEM Komatsu.
Ensure clean air intake with the D0NN9600A Air Cleaner New Original OEM Komatsu.
Power the movement of your Komatsu Excavator PC20FR-1 with the reliable Travel Gearbox With Motor, part numbers YM172173-73300, YM17217373300 and YM172173-73301, YM17217373301.
We offer the KM3104/600 Komatsu made to fit GRSR 3B 600MM.
Ensure proper cooling system function with the Komatsu Water Pump Seal, part number 6221-61-1520, 6221611520.
Maintain proper spacing with the 135-70-12430, 1357012430 Spacer made to fit Komatsu.
We supply the 87409345 Heater New Original OEM Komatsu.
Rebuild your engine with the Komatsu Main Bearing Set, Standard, part number 6742-01-5199, 6742015199.
We offer the D5NN17B613A Tank New Original OEM Komatsu.
Keep your hydraulic system clean with the Strainer 203-60-56250, 2036056250 for Komatsu Excavator PC100-5, PC100-6, PC120-5, PC120-6, PC130-5, PC130-6, and PC150-5.
Ensure proper crankshaft positioning with the Komatsu Thrust Bearing, Standard, part number 6215-21-8050, 6215218050.
We offer the Komatsu Camshaft Bearing, part number 6206-21-1430, 6206211430.
We supply the 487704R1 Spacer New Original OEM Case New Holland / Komatsu.
We offer the 278665A3 Switch New Original OEM Komatsu.
We supply the 366793R1 Pin New Original OEM Case New Holland / Komatsu.
Control the hydraulic flow in your Komatsu Engine SAA4D102E-2 Excavator PC100-6, PC120-6, and PC130-6 with the Control Valve, part number 723-57-11300, 7235711300.
We supply the 583357R11 Flap New Original OEM Case New Holland / Komatsu.
Power the hydraulic system of your Komatsu Excavator PC45R-8 with the Hydraulic Pump, part number 3F4555052.
Ensure proper sealing with the 07000-22070, 0700022070 O-Ring made to fit Komatsu.
Ensure proper fuel delivery with the Komatsu Fuel Line, part number 6211-71-5140, 6211715140.
Seal components effectively with the 6136-61-1820, 6136611820 GASKET Komatsu New Aftermarket.
Keep your machinery running smoothly with the 23B-15-05121, 23B1505121 Service Kit made to fit Komatsu.
For Komatsu SA6D155 engines, we offer the KMP6128WR Cyl,Kit W/O Rings KOMATSU New Aftermarket.
We supply the 703-06-95122 Seal New Original OEM Komatsu.
Ensure proper sealing with the 566-50-11350, 5665011350 Packing made to fit Komatsu.
We offer the Komatsu Piston with pin retainers, part number 6204-31-2170, 6204312170.
We supply the V9678A Lens New Original OEM Komatsu.
We offer the 1841483C1 Seal New Original OEM Komatsu.
Ensure proper fuel supply with the Fuel Transfer Pump 6745-71-1821, 6745711821 for Komatsu SAA6D114E Engine in PC360LC-10, PC390LC-10, and PC390LL-10 Excavators.
Secure your cylinder head with the Komatsu Head Bolt, part number 6732-11-1610, 6732111610.
Ensure smooth mechanical movement with the 425-22-31850, 4252231850 Bearing made to fit Komatsu.
Ensure proper fluid transfer with the Hose 203-01-51221, 2030151221 for Komatsu PC100-5, PC120-5, and PC130-5 Excavators.
Repair your Komatsu Excavator PC60-7 Arm Cylinder with our Seal Kit.
Ensure proper engine function with the Komatsu Exhaust Valve, part number 6150-42-4210, 6150424210.
Secure your connecting rods with the Komatsu Rod Bolt, part number 6732-31-3311, 6732313311.
Maintain optimal engine temperature in your Komatsu Engine 6D125-1, S6D108-1, S6D125-1 Wheel Loader WA1200-3, WA380-1, and WA380-3 with the Fan Cooling, part number 600-633-0800, 6006330800.
We offer the Komatsu Camshaft Bearing, part number 6162-23-1490, 6162231490.
Protect components with the 203-43-42782, 2034342782 Bellows made to fit Komatsu.
Ensure proper sealing of your oil cooler with the 6742-01-1080, 6742011080 Gasket Oil Cooler KOMATSU New Aftermarket.
We supply the 82013722 Switch New Original OEM Komatsu.
Ensure proper valve spring function with the Komatsu Valve Spring Retainer, Lower, part number 6136-41-4530, 6136414530.
Seal components effectively with the 135-21-11250, 1352111250 Plug made to fit Komatsu.
We offer the 165-46 Bolt New Original OEM Komatsu.
Support the track system of your Komatsu Bulldozer D40A-3, D40A-5, D41S-3, D41Q-3, D41P-5, D41P-3, D41E-3, D40PF-3, D40P-3, D40P-5, D40AM-5, D40F-3, and D40AM-3 with the Idler Assembly, part number 125-30-00032, 1253000032.
Secure your bucket with the 201-70-74230, 2017074230 Bucket Pin made to fit Komatsu.
Repair your Komatsu Excavator PC400-5, PC400LC-5, PC400-6, and PC800-6 Arm Cylinder with our Seal Kit for 120mm Bore and 185mm Rod, part number 707-99-68510, 7079968510.
Ensure proper crankshaft positioning with the Komatsu Thrust Bearing, Standard, part number 6215-21-8050, 6215218050.
Ensure proper sealing with the 02896-21015, 0289621015 O-Ring made to fit Komatsu.
Ensure proper valve operation with the Komatsu Valve Lifter, part number 6754-41-2110, 6754412110.
We offer the Komatsu Rod Bearing, .50mm, part number 6207-38-3300, 6207383300.
Ensure proper cooling system function with the Komatsu Water Pump Seal, part number 6211-61-1530, 6211611530.
We offer the Komatsu Main Bearing, .25mm, part number 6136-29-8010, 6136298010.
Maintain optimal engine cooling in your Komatsu Engine 3D95 and Komatsu PC40-5, PC40-6, PC50UU-1 with the Cooling Fan Blade, part numbers 600-625-0410, 6006250410.
We supply the N6617 O Ring New Original OEM Case New Holland / Komatsu.
Ensure proper windshield cleaning with the 21N-53-31280, 21N5331280 Wiper Arm made to fit Komatsu.
Ensure proper sealing with the 6710-71-7871, 6710717871 Seal KOMATSU New Aftermarket.
Ensure proper lubrication with the Komatsu Camshaft Lube Pipe, part number 6127-51-7232, 6127517232.
Ensure proper crankshaft positioning with the Komatsu Thrust Bearing, .50mm, part number 6210-28-8050, 6210288050.
We offer the 6128-K6-2203 Water Pump Gasket Kit KOMATSU New Aftermarket.
Maintain a clean oil system with the Komatsu Oil Filter, part number 600-211-6242, 6002116242.
Repair your Komatsu, Doosan, or Daewoo Excavator Solar 500LC-V, 300LC-7A, 300LC-V, TXC300-1, TXC500-1, DH280-5, DH290-7, or DH300-7 Bucket Cylinder with our Seal Kit, part number 2440-9241HKT.
Ensure proper articulation with the 20Y-70-34221, 20Y7034221 Bushing made to fit Komatsu.
We offer the 258MDA Collar New Original OEM Komatsu.
Ensure proper sealing with the 154-15-45540, 1541545540 Gasket made to fit Komatsu.
We supply the NAA533A O Ring New Original OEM Case New Holland / Komatsu.
We offer the 867933R93 Kit 9 Pc New Original OEM Case New Holland / Komatsu.
Ensure proper engine shutdown with the 12V Shut Off Stop Solenoid YM119233-77932, YM11923377932 for Komatsu Engine 3D76E-6, 3D82AE-6, 4D88-6 and Excavator PC20MR-2, PC55MR-3, PC75R-2.
Ensure proper linkage with the 170-64-15142, 1706415142 Rod Assembly made to fit Komatsu.
Ensure proper sealing with the 195-15-38910, 1951538910 Gasket made to fit Komatsu.
We offer the 538707R1 Piston New Original OEM Komatsu.
Ensure proper mechanical connection with the 111-14-12450, 1111412450 Pin made to fit Komatsu.
We offer the 6710-31-2410, 6710312410 Pin Piston KOMATSU New Aftermarket.
We supply the N7051 Oil Seal New Original OEM Komatsu.
We offer the BS790095 Cover New Original OEM Komatsu.
Ensure proper crankshaft positioning with the Komatsu Thrust Bearing, .50mm, part number 6127-28-8051, 6127288051.
We supply the 259929R2 Felt New Original OEM Komatsu.
Ensure smooth mechanical movement with the 06042-00213, 0604200213 Bearing made to fit Komatsu.
Power the swing motion of your Komatsu PC200LC-8, PC200-8M0, PC210-11, PC210LC-11, PC210I-10, and PC210LCI-10 with the Swing Gearbox, part number 20Y-26-00233, 20Y2600233.
Ensure proper alignment with the 175-30-33440, 1753033440 Shim made to fit Komatsu.
Ensure proper power transmission with the 20E-14-K1720, 20E14K1720 Gear made to fit Komatsu.
We supply the 133686C1 Support New Original OEM Case New Holland / Komatsu.
Ensure proper piston connection with the Komatsu Piston Pin, part number 6130-31-2410, 6130312410.
Repair your Komatsu Motor Grader GD663A-2 Leaning Cylinder with our Seal Kit, part number 707-98-22250, 7079822250.
Ensure proper fuel injection with the 6 Pcs Fuel Injector Sleeve 6162-13-1130, 6162131130 for Komatsu Engine 6D170 Loader WA600-1L, WA700-1L, and WA700-3L.
Maintain optimal engine temperature in your Komatsu PC150-1, PC200-2, PC220-1, PC220-2, and EG100-2 with Engine 6D105-1 or S6D105-1 using the Fan Cooling, part number 600-625-0700, 6006250700.
We offer the 6218-51-2004 OIL PUMP ASS Komatsu New Aftermarket.
Ensure proper cylinder sealing with the Komatsu Liner Seal Set, part number KMP-SK-170.
Seal your valve cover effectively with the Komatsu Valve Cover Gasket, part number 6206-11-8810, 6206118810.
Start your Komatsu Engine SAA4D107E-2A or SAA6D107E-2H in your Excavator PC170LC-11 or PC290LL-11 with the reliable Starter Motor, part number 600-863-4231, 6008634231.
We supply the 1725BX Cup New Original OEM Komatsu.
Control the forward and reverse motion of your Komatsu Bulldozer D21P-6, D21P-6A, D21A-6, D21QG-6, D21S-6, D21Q-6, and D21PL-6 with the Forward Reverse Cable, part number 103-43-34310, 1034334310.
We offer the 161624 Filter Fuel KOMATSU New Aftermarket.
Ensure smooth mechanical movement with the 06030-06013, 0603006013 Bearing made to fit Komatsu.
We supply the 671614R1 Bushing New Original OEM Case New Holland / Komatsu.
We offer the 428003C1 Bracket New Original OEM Komatsu.
Ensure proper cooling with the Cooling Water Pump Fan Pulley YM129930-42450, YM12993042450 for Komatsu Engine 4D94E, 4D94LE, 4D98E and Forklift C16, FD20, FD25, FD30.
We supply the E7NN94201N22AB Plug New Original OEM Case New Holland / Komatsu.
Ensure proper power transmission with the 6732-61-3880, 6732613880 V Belt KOMATSU New Aftermarket.
We supply the 1845877C1 Tube Assy New Original OEM Komatsu.
We supply the 130286C1 Nut New Original OEM Case New Holland / Komatsu.
Power the hydraulic system of your Komatsu Grader GD705-5 with the Pump Assembly, part number 705-12-32040, 7051232040.
We supply the 14457180 O Ring New Original OEM Case New Holland / Komatsu.
We offer the Komatsu Rod Bearing, .25mm, part number 6207-39-3300, 6207393300.
Repair your Komatsu GS360-2, GC380-1, GD623A-1, GD705A-4, GD663A-2, and GD523A-1 Steering Cylinder with our Seal Kit, part number 707-98-05410, 7079805410.
We offer the 6150-37-3040 Metal Conrod 0,75Mm KOMATSU New Aftermarket.
We supply the HR80612 Ering New Original OEM Komatsu.
Restore your engine with the Komatsu Cylinder Kit, part number KMP6205.
Keep your machinery running smoothly with the 707-98-03590, 7079803590 Service Kit made to fit Komatsu.
We supply the 326-836 Bolt New Original OEM Komatsu.
We supply the E1NN9B639AA Hose New Original OEM Komatsu.
We offer the New Aftermarket Komatsu Bearing with part number 06000-06205, 0600006205.
Repair your Komatsu Excavator PC190LC-8 Bucket Cylinder with our Seal Kit.
Key Component Definitions:
Crankshaft: The main rotating part within an engine which transforms reciprocating (up and down) motion into rotary motion. It is located in the engine block and connected to the pistons via connecting rods. Example: Komatsu PC40-7 uses a crankshaft to convert piston movement into rotational power for the hydraulic pumps and transmission.
Chinese: 曲轴 (Qūzhóu)
Russian: Коленчатый вал (Kolenchatyy val)
French: Vilebrequin
Spanish: Cigüeñal
Portuguese: Virabrequim
Pilot Gear Pump: A small hydraulic pump used to provide the pilot pressure required to operate the main hydraulic control valves in machinery. It is typically mounted on the main hydraulic pump. Example: The Komatsu PC40-7 uses a pilot gear pump to control the movement of its excavator arm and bucket.
Chinese: 先导齿轮泵 (Xiāndǎo chǐlún bèng)
Russian: Шестеренный насос управления (Shesterennyy nasos upravleniya)
French: Pompe à engrenages pilote
Spanish: Bomba de engranajes piloto
Portuguese: Bomba de engrenagens piloto
Disc Transmission: A component in the transmission system that uses friction discs to transfer power, allowing for gear changes and power distribution. It's a key part of the drivetrain. Example: Komatsu D65PX-15 utilizes a disc transmission to manage power transfer to the tracks.
Chinese: 变速器摩擦片 (Biànsùqì mōcā piàn)
Russian: Фрикционные диски трансмиссии (Friktsionnyye diski transmissii)
French: Disques de transmission
Spanish: Discos de transmisión
Portuguese: Discos de transmissão
Valve Spring: A spring used to return a valve to its closed position after it has been opened. Found in the engine cylinder head. Example: Komatsu engines rely on valve springs to ensure proper timing of air and exhaust flow.
Chinese: 气门弹簧 (Qìmén tánhuáng)
Russian: Клапанная пружина (Klapannaya pruzhina)
French: Ressort de soupape
Spanish: Muelle de válvula
Portuguese: Mola de válvula
Alternator: An electrical generator that converts mechanical energy into alternating current (AC) electrical energy. It charges the battery and powers the electrical system of a machine. Example: The 12V 60A alternator in the Komatsu PC75-1 provides power for lights, starter motor, and other electrical components.
Chinese: 交流发电机 (Jiāoliú fādiànjī)
Russian: Генератор переменного тока (Generator peremennogo toka)
French: Alternateur
Spanish: Alternador
Portuguese: Alternador
Steering Link: A mechanical linkage that connects the steering wheel or lever to the steering mechanism of a vehicle, allowing the operator to control the direction of movement. Example: Komatsu FD10C-17 forklift uses a steering link to turn the front wheels.
Chinese: 转向拉杆 (Zhuǎnxiàng lāgǎn)
Russian: Рулевая тяга (Rulevaya tyaga)
French: Biellette de direction
Spanish: Barra de dirección
Portuguese: Barra de direção
Service Kit: A collection of essential parts required for routine maintenance or repair of a specific component or system. Example: A Komatsu service kit for a hydraulic cylinder might include seals, O-rings, and wipers.
Chinese: 维修包 (Wéixiū bāo)
Russian: Комплект для обслуживания (Komplekt dlya obsluzhivaniya)
French: Kit d'entretien
Spanish: Kit de servicio
Portuguese: Kit de serviço
Valve Seat: A precision-machined surface against which an engine valve rests in its closed position, ensuring a tight seal. Located in the cylinder head. Example: Komatsu engines use valve seats to maintain compression within the cylinders.
Chinese: 气门座 (Qìmén zuò)
Russian: Седло клапана (Sedlo klapana)
French: Siège de soupape
Spanish: Asiento de válvula
Portuguese: Sede da válvula
Hose: A flexible tube used to carry fluids (like hydraulic oil or coolant) within a machine. Example: Komatsu excavators use various hoses to transmit hydraulic power to different actuators.
Chinese: 软管 (Ruǎnguǎn)
Russian: Шланг (Shlang)
French: Tuyau
Spanish: Manguera
Portuguese: Mangueira
Overhaul Kit: A comprehensive set of parts needed to perform a complete rebuild of an engine or other major component, typically including pistons, rings, bearings, and gaskets. Example: The Overhaul Rebuild Kit for the Komatsu 6D102 engine contains all necessary components to restore the engine to its original condition.
Chinese: 大修包 (Dàxiū bāo)
Russian: Комплект для капитального ремонта (Komplekt dlya kapital'nogo remonta)
French: Kit de révision
Spanish: Kit de reconstrucción
Portuguese: Kit de revisão geral
Common Questions from Our Customers:
Where can I buy aftermarket parts for my Komatsu excavator?
How do I find the correct part number for my heavy truck?
Do you ship agricultural machinery parts internationally?
About Growshine International:
Growshine International (格莳国际) is a leading import and export trading company specializing in high-quality aftermarket and OEM parts for construction machinery, heavy trucks, agricultural machinery, and automobiles. We are committed to providing our global customers with reliable parts and excellent service.
Troubleshooting Tip: Komatsu PC200-7 Hydraulic Pump Failure
Symptom: The Komatsu PC200-7 excavator experiences a sudden loss of hydraulic power, with slow or no movement of the boom, arm, or bucket. The hydraulic oil level is normal.
Possible Cause: One common cause is the failure of the main hydraulic pump. This could be due to internal wear, contamination in the hydraulic fluid, or a damaged pump drive coupling.
Troubleshooting Steps:
Check Hydraulic Fluid: Inspect the hydraulic fluid for any signs of contamination (milky appearance, metallic particles) and ensure it is at the correct level. If contaminated, drain and replace the fluid and filters.
Listen for Unusual Noises: Start the engine and listen for any unusual whining or grinding noises coming from the hydraulic pump area. These noises can indicate internal pump damage.
Check Pump Drive Coupling: Inspect the coupling between the engine and the hydraulic pump for any signs of damage or slippage. A damaged coupling can prevent the pump from rotating properly.
Pressure Testing: If the above checks don't reveal the issue, perform a hydraulic pressure test at various points in the system to pinpoint if the pump is generating sufficient pressure. This typically requires specialized gauges and knowledge of the machine's hydraulic system.
Pump Inspection: If the pump is suspected to be faulty, it may need to be removed and inspected internally for wear or damage. This is often best done by a qualified hydraulic technician.
Solution: Depending on the diagnosis, the solution may involve replacing the hydraulic filters and fluid, repairing or replacing the pump drive coupling, or overhauling or replacing the main hydraulic pump. Ensure that only high-quality replacement parts are used to maintain the reliability and performance of your Komatsu PC200-7 excavator.
At Growshine International, we are dedicated to providing you with the Komatsu parts you need to keep your operations running smoothly. Contact us today for inquiries and orders!
