708-3D-00020 hydraulic pump for Komatsu PC130-8 PC138US-8 excavator
If you decide to buy equipment at a low price, make sure that you communicate with the real seller. Find out as much information about the owner of the equipment as possible. One way of cheating is to represent yourself as a real company. In case of suspicion, inform us about this for additional control, through the feedback form.
Before you decide to make a purchase, carefully review several sales offers to understand the average cost of your chosen equipment. If the price of the offer you like is much lower than similar offers, think about it. A significant price difference may indicate hidden defects or an attempt by the seller to commit fraudulent acts.
Do not buy products which price is too different from the average price for similar equipment.
Do not give consent to dubious pledges and prepaid goods. In case of doubt, do not be afraid to clarify details, ask for additional photographs and documents for equipment, check the authenticity of documents, ask questions.
The most common type of fraud. Unfair sellers may request a certain amount of advance payment to “book” your right to purchase equipment. Thus, fraudsters can collect a large amount and disappear, no longer get in touch.
- Transfer of prepayment to the card
- Do not make an advance payment without paperwork confirming the process of transferring money, if during the communication the seller is in doubt.
- Transfer to the “Trustee” account
- Such a request should be alarming, most likely you are communicating with a fraudster.
- Transfer to a company account with a similar name
- Be careful, fraudsters may disguise themselves as well-known companies, making minor changes to the name. Do not transfer funds if the company name is in doubt.
- Substitution of own details in the invoice of a real company
- Before making a transfer, make sure that the specified details are correct, and whether they relate to the specified company.
Seller's contacts
+86 199 246...
Show
+86 199 2461 6345
China
China
China
China
China
China
China
China
China
China
China
China
China
China
China
China
China
China
China
China
These numbers represent the engineering progression of the same pump family. The -00030 is the latest factory revision, offering improved internal seal longevity and refined regulator response.
OEM Part Numbers: 708-3D-00020, 708-3D-00021, 708-3D-00030
Machine Fitment: * Komatsu PC130-8
Komatsu PC138US-8 (Ultra-Short Tail)
Komatsu PC138USLC-8
Condition: Genuine Original Brand New
2. Technical Superiority of the Dash-8 Original Pump
The PC130-8 and PC138US-8 rely heavily on the communication between the engine's ECM and the pump's LS (Load Sensing) valve.
Matched Power Curves: The original regulators are factory-set to the specific torque curve of the Komatsu SAA4D95LE-5 engine. This prevents the "engine bogging" common with aftermarket pumps that aren't calibrated to the Dash-8's logic.
Precision in Tight Spaces: The PC138US-8 is often used in confined urban environments. The genuine pump provides the ultra-fine "metering" or "creep" control necessary for working inches away from structures.
High-Pressure Reliability: These units are built to sustain continuous pressures of 34.3 MPa (343 bar). The original metallurgy in the cylinder blocks and piston sets prevents internal "blow-by" and excessive heat generation.
3. Expert Installation: The "Must-Do" Protocol
To protect a high-value original pump and ensure your warranty remains valid, follow these four critical steps:
Mandatory Case Priming: Before cranking the engine, you must fill the pump housing with clean hydraulic oil through the highest case drain port. Running the pump "dry" for even 5 seconds will cause the piston shoes to gall the swash plate, leading to immediate failure.
System Decontamination: If your old pump failed mechanically (sending metal shavings into the system), you must flush the hydraulic tank, clean the oil cooler, and replace the pilot filters.
Filtration & Oil: Always use new genuine Komatsu suction and return filters. We recommend ISO VG46 anti-wear hydraulic oil for standard operating temperatures.
Air Purging: After startup, run the engine at low idle for 10 minutes. Slowly cycle the boom, arm, and bucket to their full extent several times to purge trapped air from the hydraulic circuit.
4. Global Logistics & Support
Authenticity: We provide only genuine brand-new units in original factory packaging, complete with protective port plugs.
Fitment Verification: Every pump is cross-referenced against your Machine Serial Number to ensure the input shaft spline and mounting pilot are a 100% match.
Shipping: Units are secured in reinforced, moisture-protected export wooden crates and shipped via DHL, FedEx, or UPS, typically arriving in 3 to 7 business days.
To provide an accurate quote and confirm current stock for the 708-3D-00030, please provide your Machine Serial Number and delivery location.