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7835-45-5003 7835-45-5002 7835-45-5001 7835-45-5000 PC300-8M0 KOMATSU Controller

I appreciate the help from Paul, he's prefessional and knows exactly what parts I need. My CAT has gone back to work without any problem.

—— Raphael

Got the final drive and its beautiful I think. We've have it assembled in our Hitachi ZX330 excavator, my machines goes to work again now. Many thanks

—— Kevin

Fast shippment, the arrived parts is good quality, our engine is repaired and is perfectly running at maximum power. Thank you, god bless.

—— Mohammed

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7835-45-5003 7835-45-5002 7835-45-5001 7835-45-5000 PC300-8M0 KOMATSU Controller

7835-45-5003 7835-45-5002 7835-45-5001 7835-45-5000 PC300-8M0 KOMATSU Controller
7835-45-5003 7835-45-5002 7835-45-5001 7835-45-5000 PC300-8M0 KOMATSU Controller 7835-45-5003 7835-45-5002 7835-45-5001 7835-45-5000 PC300-8M0 KOMATSU Controller

Large Image :  7835-45-5003 7835-45-5002 7835-45-5001 7835-45-5000 PC300-8M0 KOMATSU Controller

Product Details:
Place of Origin: CHINA
Brand Name: OEM
Model Number: 7835-45-5003
Payment & Shipping Terms:
Minimum Order Quantity: 1 PCS
Price: Negotiable
Packaging Details: Wooden box for heavy parts, paper carton for light parts
Delivery Time: 3-7 working days
Payment Terms: T/T, D/P, D/A,Western Union, L/C, MoneyGram
Supply Ability: 100-2000
Detailed Product Description
Model Number: PC300-8M0 PC350-8M0 Product Name: Controller
Part Number: 7835-45-5003 7835-45-5002 7835-45-5001 7835-45-5000 Packing: Standard Export Carton
Transportation: By DHL FEDEX TNT UPS EMS Warranty: 6/12 Months
High Light:

7835-45-5003 KOMATSU Controller


7835-45-5001 KOMATSU Controller


PC300-8M0 KOMATSU Controller

  • 7835-45-5003 7835-45-5002 7835-45-5001 7835-45-5000 PC300-8M0 KOMATSU Controller



  • Specification

Application Excavator controller
Parts No 7835-45-5003 7835-45-5002 7835-45-5001 7835-45-5000
Model PC300-8M0 PC350-8M0
Delivery time Stock for urgent delivery
Quality OEM quality
Origin Made in PRC
Means of transport By sea/air, DHL FEDEX TNT UPS EMS
Packing As request or standard packing


  • Compatible models

EXCAVATOR PC300 PC350 Komatsu


  • More other controller fit KOMATSU machinery
D61EXI, D61PXI, HB205, HB215, HM400, PC138, PC138US, PC200, PC210, PC240, PC290, PC300, PC350, PC360, PC390, PC390LL, PC490, PW180, WA270, WA320, WA380, WA470, WA500
D155AX, D65EX, D65PX, HB205, HB215, HM300, HM400, KOMTRAX, PC200, PC210, PC220, PC240, PC290, PC300, PC360, PC490
2A5-979-1122 CONTROLLER
D65EX, HB205, HB215, HM300, HM400, PC138, PC138US, PC200, PC290, PC300, PC350, PC360, PC390, PC390LL, PC490
7826-25-5100 Controller
HB205, PC200, PC220, PC300
7875-23-4000 Controller
HB205, HB215
WA380, WA470, WA480
7823-33-2001 CONTROLLER
WA470, WA480
2543-1035 KOMATSU
DX480, DX520
543-00006 KOMATSU
543-00006 CONTROLLER;T/M

In a KOMATSU excavator, as well as in most hydraulic systems, the pump controller plays a crucial role in managing and optimizing the operation of hydraulic pumps. Here are the primary functions of the pump controller in a KOMATSU excavator:
Flow Control: The pump controller regulates the flow of hydraulic fluid from the hydraulic pump to various components in the excavator's hydraulic system. It ensures that the right amount of fluid is delivered to different functions, such as the boom, arm, and bucket movements.
Pressure Regulation: The pump controller maintains optimal hydraulic pressure within the system. It ensures that there is enough pressure to operate the hydraulic cylinders and other components effectively without exceeding safe limits.
Energy Efficiency: Modern excavators often employ variable displacement pumps controlled by electronic systems. The pump controller adjusts the pump's displacement based on the load and demand, improving energy efficiency. This helps in reducing fuel consumption and enhancing overall machine performance.
System Response: The pump controller influences the response time of the hydraulic system. It helps in achieving precise and smooth movements of the excavator's hydraulic functions, enhancing the operator's control over the machine.
Load Sensing: Some excavators use load-sensing systems, where the pump controller adjusts the hydraulic pressure based on the load requirements. This ensures that the system delivers the necessary power while avoiding unnecessary strain on the components.
Overload Protection: The pump controller incorporates safety features to prevent overloading of the hydraulic system. If the load or pressure exceeds safe limits, the controller may trigger safety mechanisms or reduce pump output to prevent damage to the components.
Diagnostic and Monitoring Functions: Modern pump controllers often come with diagnostic capabilities. They monitor the performance of the hydraulic system, detect faults, and may provide error codes for troubleshooting. This hel


  • Parts list diagram
Pos. Part No Qty Parts name Comments
1 20Y-53-14812 [1] Bracket Komatsu 1.53 kg.
  ["SN: 80001-UP"]
2 01435-00860 [4] Bolt Komatsu 0.027 kg.
  ["SN: 80001-UP"]
3 7835-45-5000 [1] Controller Komatsu China  
  ["SN: 80001-UP"]
4 01435-00820 [4] Bolt Komatsu 0.015 kg.
  ["SN: 80001-UP"] analogs:["0143520820"]
5 7861-94-2000 [1] Resistor Komatsu 0.24 kg.
  ["SN: 80001-UP"]
7 20Y-06-41151 [1] Wiring Harness Komatsu China  
  ["SN: 80001-UP"]
8 208-43-71420 [2] Cap Komatsu 0.001 kg.
  ["SN: 80001-UP"]
9 20Y-53-18211 [1] Bracket Komatsu China  
  ["SN: 80001-UP"]
10 01435-00610 [1] Bolt Komatsu 0.006 kg.
  ["SN: 80001-UP"]
11 7861-74-5100 [2] Relay Komatsu 0.025 kg.
  ["SN: 80001-UP"]
17 569-06-61960 [2] Relay Komatsu OEM 0.037 kg.
  ["SN: 80001-UP"]
18 287-06-16420 [2] Bracket Komatsu China  
  ["SN: 80001-UP"] analogs:["4260633840"]
20 8233-06-3350 [3] Diode Komatsu OEM 0.022 kg.
  ["SN: 80001-UP"]
21 21T-06-35620 [1] Resistor Komatsu China  
  ["SN: 80001-UP"]

7835-45-5003 7835-45-5002 7835-45-5001 7835-45-5000 PC300-8M0 KOMATSU Controller 0


  • We could supply the following spare parts

1 Hydraulic parts: hydraulic pump, main valve, hydraulic cylinder, final drive, travel motor, swing machinery, swing motor etc.
2 Engine parts: engine ass’y, piston, piston ring, cylinder block, cylinder head, crankshaft, turbocharger, fuel injection pump, starting motor and alternator etc.
3 Undercarriage part: Track roller, Carrier roller, Track Link, Track shoe, Sprocket, Idler and Idler cushion etc.
4 Cab parts: operator’s cab, wiring harness, monitor, controller, seat, door etc.
5 Cooling parts: Radiator, air conditioner, compressor, after cooler etc.
6 Other parts: Service kit, swing circle, engine hood, swing joint, fuel tank, filter, boom, arm, bucket etc.




  • Packing and Shipping

Packing Details :
inner packing : plastic film for wrapping
external packing : wooden
Shipping :
within 3 days after received the payment , by air or by express or by sea on the basis of the
quantity and emergency circumstances.
1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier companies we are cooperated,

2. By Air: Delivery from the Guangzhou air port to customer's destination city air port.

3. By Sea: Delivery from the Huangpu port .

  • Product Warranty

1. Warranty Period: 3 Months' warranty from the date of arrival. Longer period of 6 months' warranty could be offered with higher price level.
2. Warranty type: replacement of the parts that have quality problem.
3. Warranty is not valid for below s
* Cutomer give wrong information about the order
* Force Majeure
* Wrong installation and operation
* Rust because of wrong stock & maintenance

Contact Details
Guangzhou Anto Machinery Parts Co.,Ltd.

Contact Person: Mr. Paul

Tel: 0086-15920526889

Fax: +86-20-89855265

Send your inquiry directly to us (0 / 3000)