723-56-16103 hydraulic distributor for Komatsu PC160-7 PC160LC-7 excavator
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Applicable Model: Komatsu PC160-7 (Standard track) / PC160LC-7 (Long chassis) 16-ton midi excavator
1. OEM Part Number Classification
① 723-56-xxxx → PC160-7 Standard version (Short track frame)
723-56-16103 / 723-56-16102 /723-56-16101 /723-56-16100 (Basic main valve)
723-56-16203 /723-56-16202 /723-56-16201 /723-56-16200 (With auxiliary spool/extra overflow valve)
② 723-57-xxxx → PC160LC-7 Long chassis extended version
723-57-16103 /723-57-16102 /723-57-16101 /723-57-16100
723-57-16203 /723-57-16202 /723-57-16201 /723-57-16200
Number suffix 00/01/02/03 = production batch upgrade, full interchangeable within same prefix series, no modification for installation
Typo correction:723-57-76102 → standard OEM is 723-57-16102
2. Core Technical Parameters
Structure: 7-spool pilot operated multi-way valve, negative flow control system, matched original K3V63DT hydraulic pump
Rated working pressure:31.5MPa; Main relief preset:34.0MPa
Matching pump flow:2×132L/min
Net weight:105KG per complete valve assembly
Full assembly equipped: main relief valve, boom/arm/bucket overload valve, travel anti-reverse valve, pilot oil manifold, ready plug & play
3. Price Reference (FOB Guangzhou, USD)
Genuine Original Komatsu Complete Valve: $4550–$5980 | 12-month factory warranty
Rebuilt Original Core Overhauled: $1780–$2420 | 6-month warranty
4. Product Advantages
Same casting dimension & spool precision as OEM, low internal leakage, smooth combined boom/arm/travel action
Strict full hydraulic bench pressure testing before shipment, stable performance for earthmoving & heavy construction
Complete port layout consistent with original, direct bolt-on replacement without pipe refitting
5. Packing & Delivery
Export anti-rust wooden case with rust-proof oil & moisture-proof wrapping
In-stock goods:3–5 working days dispatch; Genuine original lead time:12–18 working days
Global shipment: DHL/Fedex air express, sea freight optional
6.FAQ
Q: Difference between 723-56 &723-57 serial?
A: 723-56 for standard short-track PC160-7;723-57 for long-track PC160LC-7, hydraulic parameter identical but valve block oil passage optimized for longer chassis hydraulic piping.
Q: Is spare valve spool & seal kit available separately?
A: Full overhaul seal kit & single spool parts in stock for all above PN.