How to Repair Hydraulic Gear Pump: Complete Step-by-Step Guide
Learn how to diagnose & repair hydraulic gear pumps fast. Step-by-step guide covers symptoms, root causes & re…
| Parameter | Specification / verification |
|---|---|
| Part number | 4120000684 |
| Model | CBGJ3166 / CBGj3166 |
| Search reference | JHP3166; dimensions must be checked |
| Pump type | Single external hydraulic gear pump |
| Application references | SDLG LG956L / LG958; verify machine serial number |
| Displacement — series reference | 166 cm³/rev |
| Rated / maximum pressure — series reference | 20 / 25 MPa (200 / 250 bar) |
| Rated / maximum speed — series reference | 2200 / 2500 rpm |
| Exact unit operating limits | Confirm against supplied configuration; series figures are not unit certification |
| Shaft, spline count and rotation | Confirm from original pump and drawing |
| Flange and oil ports | Confirm dimensions and orientation before order |
| Weight and materials | Confirm for selected configuration |
| Separate configurations | 4120001715 / JHP3160; 4120002513 / JHP3160S — do not assume interchangeability |
| Supplier | Olive Branch Hydraulics, Hebei, China |
| Supply | Aftermarket replacement; EXW; OEM/ODM requests reviewed by drawing or sample |
| Photos | Reference views; colour and label may vary; verify actual configuration |
Olive Branch Hydraulics is a hydraulic component manufacturer in Hebei, China, producing aftermarket 4120000684 gear pump, mapped to CBGJ3166, as a working hydraulic pump replacement for SDLG LG956L and LG958 wheel loaders. Every order is subject to matching against your machine serial number and the original pump.
JHP3166 is a common supplier search reference for this pump and requires a dimension check before ordering. We ship EXW from Xinji, Hebei, China, and inspect each unit before dispatch.
Displacement, pressure and speed values are CBGJ3166 series references, not certified ratings for an individual unit.
| Part number | 4120000684 |
|---|---|
| Pump series | CBGJ3166 |
| Search cross-reference | JHP3166 (dimension check required) |
| Application references | SDLG LG956L, LG958 working hydraulics (verify serial number) |
| Displacement (series reference) | 166 cm3/rev |
| Rated / maximum pressure (series reference) | 20 MPa / 25 MPa |
| Rated / maximum speed (series reference) | 2200 rpm / 2500 rpm |
| Shaft, spline and rotation | Confirmed against your original pump |
| Mounting flange and oil ports | Confirmed against your original pump |
| Weight and materials | Confirmed at quotation |
| Separate configurations; do not assume interchangeability | 4120001715 / JHP3160 and 4120002513 / JHP3160S |
Not sure your loader uses 4120000684?Send the machine serial number and photos of the shaft, flange and ports, and we check the match before quoting.
4120000684 maps to CBGJ3166, so your purchasing system and the pump label point to the same unit.
4120001715/JHP3160 and 4120002513/JHP3160S are separate configurations, so dimensions and circuit requirements must be compared before substitution.
Shaft, splines, rotation, flange and ports are compared to your old pump before the order is confirmed.
The CBGJ3166 series lists 166 cm3/rev and 20 MPa rated pressure; confirm the supplied configuration and operating limits before installation.
Tandem pumps, hydraulic motors and valves can be quoted on the same EXW order.
You send the serial number, nameplate photo and old pump dimensions.
We check the shaft, splines, rotation, flange and port positions against CBGJ3166 data.
The EXW price, quantity and weight are confirmed in writing.
A sample unit can be supplied for a fitment trial before you place a volume order.
Each pump is inspected before dispatch from Xinji, Hebei.
Shaft, flange or port variants are built to your drawing or sample after the fit check.
Brand markings and labels are agreed per order and confirmed on the sample.
Carton marking and labelling for resale are agreed during the quotation.
CBGJ3166 pumps can share one EXW shipment with tandem pumps, motors and valves.
Your specifications and target quantity.
Configuration, MOQ and price confirmed in writing.
You test fit and marking.
Final inspection before EXW dispatch.
Working pump replacement on SDLG LG956L and LG958 units after the serial number is verified.
Stocking CBGJ3166 pumps for loader repair shops, with quantity-based quotes.
Resale under your own brand, with marking confirmed on the approved sample.
Spare pumps for site fleets, consolidated with motors and valves on one order.
Small trial quantities that list the correct part number and cross-references.
Send your serial number, pump photos, quantity and destination market to [email protected] or via WhatsApp at +8615075996564. We will reply with the match result, an EXW quote and sample terms.
Request Sample Terms WhatsApp +8615075996564
Fit checked before quotation, Final inspection before dispatch, OEM and private label orders accepted
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