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PC300-6 PC400-6 Hydraulic Main Control Valve Assy for komatsu Excavator Spare Parts 723-47-16103 723-47-16102 723-47-16101 Main Control Valve
PC300-6 PC400-6 Hydraulic Main Control Valve Assy for komatsu Excavator Spare Parts 723-47-16103 723-47-16102 723-47-16101 Main Control Valve
PC300-6 PC400-6 Hydraulic Main Control Valve Assy for komatsu Excavator Spare Parts 723-47-16103 723-47-16102 723-47-16101 Main Control Valve
PC300-6 PC400-6 Hydraulic Main Control Valve Assy for komatsu Excavator Spare Parts 723-47-16103 723-47-16102 723-47-16101 Main Control Valve
PC300-6 PC400-6 Hydraulic Main Control Valve Assy for komatsu Excavator Spare Parts 723-47-16103 723-47-16102 723-47-16101 Main Control Valve
PC300-6 PC400-6 Hydraulic Main Control Valve Assy for komatsu Excavator Spare Parts 723-47-16103 723-47-16102 723-47-16101 Main Control Valve
Specifications
Description
PC300-6 PC400-6 Hydraulic Main Control Valve Assy for komatsu Excavator Spare Parts 723-47-16103 723-47-16102 723-47-16101 Main Control Valve
PC300-6 PC400-6 Hydraulic Main Control Valve Assy for komatsu Excavator Spare Parts 723-47-16103 723-47-16102 723-47-16101 Main Control Valve
Product Overview
The control valve (also known as the main control valve or multi-valve block) is the central hydraulic control component in excavators. It consists of multiple parallel spools that precisely distribute high-pressure oil from the pump to actuators (e.g., hydraulic cylinders, motors) based on operational demands, enabling coordinated machine movements.
Specifications
Category Excavator Hydraulic Parts
Model PC300-6 PC400-6
Part Number 723-47-16103 723-47-16102 723-47-16101
Package Wooden Box
Application Excavator
Product Attributes Excavator Parts
Working Principle
  • Flow Distribution: Operator joystick or electronic signals shift valve spools, adjusting port openings to control oil flow rate and direction to each actuator.
  • Pressure Regulation: Integrated pressure compensators and overload relief valves maintain stable flow under varying loads while preventing pressure spikes.
  • Multi-circuit Coordination: Parallel spool design allows simultaneous operation of multiple actuators (e.g., boom lifting + arm retraction), with the system automatically splitting pump flow.
Product Images
PC300-6 PC400-6 Hydraulic Main Control Valve Assy for komatsu Excavator Spare Parts 723-47-16103 723-47-16102 723-47-16101 Main Control Valve
# Part No. Description Qty
1 723-47-16103 Control valve 1
1 723-47-16102 Control valve 1
1 723-47-16101 Control valve 1
---- THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1662-01A0 TO Y1662-12A0
1 ---- BODY SUB ASS'Y 1
1 ---- BODY SUB ASS'Y 1
1 ---- BLOCK,VALVE 1
1 ---- BLOCK,VALVE 1
2 ---- Spool 1
3 ---- Spool 2
4 ---- Spool 1
4 ---- Spool 1
5 ---- Spool 1
6 ---- Spool 1
7 723-46-15130 Plug 8
8 723-46-15140 Plug 4
9 07002-10823 O-RING,(NOT SHOWN) 12
10 708-7T-16460 Ball 8
11 723-46-15120 Retainer 11
12 723-46-14110 Spring 2
13 723-46-14170 Spring 6
14 723-46-14131 Spring 3
15 723-46-14161 Spring 1
16 723-46-15250 Shim 1
17 723-46-15110 CASE 11
18 07430-71380 O-ring 12
19 01252-30820 BOLT, MOUNT SPOOL COVERS 24
20 723-46-15410 CASE 1
21 723-46-15420 Retainer 1
22 723-46-15450 Plug 1
23 07002-03034 O-RING, OIL LEVEL AND FILL PLUG 1
24 723-46-15440 Spring 1
25 723-46-15430 Piston 1
26 ---- Plug 9
26 ---- Plug 9
27 723-46-15150 Valve 2
28 723-46-14150 Spring 2
Our Advantages
  • Strong Part Number Database: If you can provide the right model and part number, we can supply the right product.
  • Professional and Experienced Salesperson: Our founder has been in this field for more than 7 years, with rich experiences.
  • Strict and Complete Company Rules: We will try our best to meet customer's delivery time. Before delivery, we must verify the part number or pictures of products one by one, to ensure customers receive high-quality and right-quantity goods.
  • Good Management System: No matter how big or small the order, as long as customers place the order, we will provide exporting service free of charge.
  • Good Service Attitude: If the customer has any questions about the product, we will help solve the problem immediately. As long as customers' requirements are reasonable, we will endeavor to make them satisfied.
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PC300-6 PC400-6 Hydraulic Main Control Valve Assy for komatsu Excavator Spare Parts 723-47-16103 723-47-16102 723-47-16101 Main Control Valve

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PC300-6 PC400-6 Hydraulic Main Control Valve Assy for komatsu Excavator Spare Parts 723-47-16103 723-47-16102 723-47-16101 Main Control Valve
PC300-6 PC400-6 Hydraulic Main Control Valve Assy for komatsu Excavator Spare Parts 723-47-16103 723-47-16102 723-47-16101 Main Control Valve
PC300-6 PC400-6 Hydraulic Main Control Valve Assy for komatsu Excavator Spare Parts 723-47-16103 723-47-16102 723-47-16101 Main Control Valve

GZ Yuexiang Engineering Machinery Co., Ltd.

Verified Supplier
2 Years
guangzhou
Since 2013
Main Products :
Excavator Hydraulic Pump, Excavator Hydraulic Pump Parts, Travel Motor Assy
Total Annual :
20000-3000000
Employee Number :
50~93
Certification Level :
Verified Supplier
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