Product Detail Page: Komatsu PC55MR-3 Hydraulic Control Valve (723-18-18200 / 723-18-18201 / 723-18-18202) – Original Parts
1. Product Description
| Item |
Detailed Info |
| Product Name |
Hydraulic Main Control Valve / Distribution Valve Assy |
| OEM Numbers |
723-18-18200, 723-18-18201, 723-18-18202 |
| Compatible Model |
Komatsu PC55MR-3 (5.5 ton mini excavator) |
| Condition |
Original Komatsu New / Genuine OEM |
| Core Function |
Integrated main valve; controls boom, stick, bucket, travel & swing actions |
| Quality Standard |
Factory pressure & leakage tested; 100% original specs |
| Warranty |
12-month warranty (manufacturing defects covered) |
| MOQ |
1 piece; sample & bulk orders available |
| Lead Time |
In stock → ships in 1–3 working days |
| Target Users |
Global dealers, repair shops, fleet operators |
2. Key Features & Specifications
Key Features
Original Komatsu PC55MR-3 main control valve, direct OEM replacement. Ductile iron body for high strength and durability. Load-sensing, pressure-compensated design for precise, smooth operation. Multiple spool sections for simultaneous, independent movement. Premium seals prevent leakage under high pressure and extreme temps. Exact fit, no modification needed.
Technical Specifications
| Specification |
Parameter |
| Valve Type |
Sectional load-sensing main control valve |
| OEM Part No. |
723-18-18200 / 723-18-18201 / 723-18-18202 |
| Rated Pressure |
26.5 MPa (265 bar) |
| Max Pressure |
29 MPa (290 bar) |
| Rated Flow |
140 L/min |
| Number of Sections |
6 (boom, stick, bucket, swing, travel L/R) |
| Weight |
~58 kg |
| Mounting |
Direct bolt-on, matches original |
| Hydraulic Oil |
ISO VG46 anti-wear hydraulic fluid |
| Working Temp |
-20℃ ~ +80℃ |
3. Compatibility
Komatsu Models
- Direct Fit: PC55MR-3 (all serial numbers)
- Also Fits: PC55MR-2, PC56-7, PC57-7 (cross-reference 723-18-18504)
OEM Part Cross Reference
723-18-18200, 723-18-18201, 723-18-18202, 723-18-18504
4. Technical Explanation
This original Komatsu main control valve uses load-sensing technology to optimize flow and pressure, ensuring smooth, simultaneous operation of all attachments. The pressure-compensated spools maintain consistent speed under varying loads, reducing operator fatigue and improving productivity. Built for the PC55MR-3’s compact hydraulic system, it delivers reliable performance in tight jobsites and heavy-duty cycles.
5. Supplier Advantages (Belparts)
- 10+ years specializing in Komatsu mini excavator hydraulic parts.
- Original Komatsu new & genuine aftermarket options; full PC55MR-3 parts range.
- Exported to 150+ countries; CE-certified, strict QC testing.
- Guangzhou warehouse stock; fast air/sea/express shipping.
- Professional technical support for installation & troubleshooting.
6. FAQ
Q1: Are these original Komatsu parts?
A: Yes, 100% original Komatsu new with genuine OEM part numbers.
Q2: Will it fit PC55MR-3?
A: Perfect fit for PC55MR-3; also compatible with PC55MR-2/PC56-7/PC57-7.
Q3: What’s included?
A: Complete main control valve assembly (body, spools, valves, seals) as shown.
Q4: Ready to ship?
A: In stock; ships within 1–3 working days.
Pos. Part No Qty Parts name Comments
* 723-18-18200 [1] Valve Assembly, Control Komatsu China
["SN: 15401-16000"] |$0.
1. 723-11-17330 [2] Retainer Komatsu China
["SN: 15401-16000"] analogs:["890001580"]
2. 723-11-17353 [2] Retainer Komatsu 0.01 kg.
["SN: 15401-16000"]
3. 723-11-17341 [11] Spring Komatsu 0.01 kg.
["SN: 15401-16000"]
4. 723-11-29840 [2] Spring Komatsu China
["SN: 15401-16000"]
5. 723-11-17990 [1] Spring Komatsu China
["SN: 15401-16000"]
6. 723-11-17361 [2] Bolt Komatsu China
["SN: 15401-16000"] analogs:["890001578", "7231117360"]
7. 723-11-37130 [10] Retainer Komatsu China
["SN: 15401-16000"]
8. 723-11-29830 [2] Retainer Komatsu China
["SN: 15401-16000"]
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