
7029120005 Double Hydraulic Gear Pump For JCB 3CX 4CX 5CX Backhoe Loader
Wuhan Xinlaifu Hydraulic Equipment Co., Ltd. is one of the leading manufacturers and suppliers of 7029120005 double hydraulic gear pump for jcb 3cx 4cx 5cx backhoe loader in China. With abundant experience, we warmly welcome you to buy high quality customized products at competitive price from our factory. Also, OEM&ODM service is available.
Technical specifications

| Item | Specification |
|---|---|
| Part Number | 7029120005 |
| Product Type | Double Hydraulic Gear Pump |
| Applicable Machine | JCB 3CX, 4CX, 5CX Backhoe Loader |
| Brand Reference | Replacement for JCB backhoe loader hydraulic gear pump |
| Application | Hydraulic power drive for backhoe loader construction machinery hydraulic system |
| Gear Structure | Double external gear construction |
| Material | Pump housing: Cast Iron; Gear: Alloy Steel |
| Output Torque | - |
| Working Pressure | - |
| Installation Form | Flange Mount |
| Working Condition | For construction machinery hydraulic oil media, heavy‑duty outdoor working environment |
| Sealing Type | Standard oil seal, optional improved shaft seal available |
| Weight | - |
| Remark | Reliable drop‑in replacement, stable hydraulic output, reduce downtime for JCB backhoe loader repair & fleet maintenance |
Product Overview
7029120005 double hydraulic gear pump is a drop‑in aftermarket replacement unit for JCB 3CX, 4CX, 5CX backhoe loader. Designed for heavy‑duty construction machinery hydraulic systems, this double external gear pump features cast iron housing and alloy steel gear components for stable hydraulic power output. Direct flange mounting requires no modification during installation. Well‑suited for equipment repair, fleet maintenance and spare‑parts stocking for machinery workshops and distributors across global construction markets.
Features and Advantages
- Exact drop‑in aftermarket replacement, part number 7029120005, perfectly compatible with JCB 3CX, 4CX, 5CX backhoe loader
- Standard flange mount design, matches original installation dimension, no extra modification required during fitting
- Robust cast‑iron pump housing together with alloy‑steel gears, built for heavy‑duty construction site working conditions
- Stable hydraulic power output, effectively reduces equipment downtime for backhoe loader repair and fleet maintenance
- Flexible sealing option: standard oil seal equipped, improved shaft seal is available as optional upgrade
- Rigorous quality inspection before shipment, reliable performance for field service
- Suitable for wholesale supply to machinery repair workshops, equipment fleets and global spare‑parts distributors
Typical applications
- JCB Backhoe Loader Hydraulic System Replacement – Direct aftermarket replacement solution for 7029120005 double hydraulic gear pump, fully compatible with JCB 3CX, 4CX and 5CX backhoe loaders. Perfectly replaces worn or failed original hydraulic pumps to restore complete machine hydraulic power.
- Construction Site Daily Operation & Maintenance – Ideal for earthmoving, trenching, road grading, backfilling and compaction tasks on construction sites. Provides stable hydraulic power for loader and backhoe working mechanisms, ensuring continuous and efficient field operation.
- Fleet Equipment Regular Maintenance – Widely applied in regular maintenance and overhaul of JCB backhoe loader fleets. Effectively solves problems such as insufficient hydraulic pressure, slow movement and pump body oil leakage, reducing equipment downtime and maintenance costs.
- Machinery Repair Shop & After-sales Service – Standard repair spare part for construction machinery service workshops. Standard flange mounting design enables fast on-site replacement, suitable for emergency repair and routine hydraulic system maintenance services.
- Global Spare Parts Wholesale & Stocking – High-universality JCB hydraulic gear pump, suitable for spare parts distributors and suppliers for batch stocking. Stable quality and OEM matching size support long-term wholesale and retail supply for global construction machinery markets.

FAQ
Q1: What is the part number of this hydraulic gear pump?
A: This replacement hydraulic pump is 7029120005, a standard double hydraulic gear pump designed for JCB backhoe loader hydraulic system replacement.
Q2: Which JCB models does 7029120005 gear pump fit?
A: The 7029120005 double hydraulic gear pump is fully compatible with JCB 3CX, 4CX and 5CX backhoe loader, covering most mainstream JCB backhoe loader generations.
Q3: Is this 7029120005 pump an OEM or aftermarket replacement part?
A: It is a high-quality aftermarket double hydraulic gear pump with OEM equivalent size, mounting dimension and performance, perfect drop-in replacement for original JCB hydraulic pumps.
Q4: Does the 7029120005 gear pump require modification during installation?
A: No modification is needed. This double hydraulic gear pump features a standard flange mount design that matches the original installation position for direct fitting and fast replacement.
Q5: What are the main advantages of the 7029120005 JCB gear pump?
A: It adopts heavy-duty cast iron housing and alloy steel gears, delivering stable hydraulic output, strong durability under harsh construction site conditions, and effectively reduces JCB backhoe loader equipment downtime.
Q6: What problems can the 7029120005 hydraulic gear pump solve?
A: It perfectly fixes common faults such as JCB backhoe loader hydraulic pressure insufficiency, slow operation, pump body leakage and hydraulic system failure, restoring normal machine working performance.
Q7: Who is this 7029120005 double gear pump suitable for?
A: It is ideal for construction machinery repair workshops, JCB equipment fleet maintenance, and global spare parts distributors for daily replacement and batch stocking.
Q8: Do you support global shipping and bulk wholesale for 7029120005?
A: Yes. We support global shipping and professional wholesale supply for the 7029120005 double hydraulic gear pump, serving customers in Europe, UK, North America, Australia and other construction machinery markets.
Model Displacement
|
Technical Category |
Parameter Item |
Technical Data |
|---|---|---|
|
Basic Identification |
Main Part Number |
7029120005 |
|
Cross Reference OEM Number |
JCB 20/925340 (Parker PGP620 Series) |
|
|
Applicable Equipment |
JCB 3CX, 4CX, 5CX Backhoe Loader |
|
|
Hydraulic Performance |
Front Pump Displacement |
41 cc/rev (41 L/min @ 1000 RPM) |
|
Rear Pump Displacement |
26 cc/rev (26 L/min @ 1000 RPM) |
|
|
Max Working Pressure (Front) |
250 Bar |
|
|
Max Working Pressure (Rear) |
275 Bar |
|
|
Mechanical Structure |
Max Input Shaft Torque |
460 Nm |
|
Rotation Direction |
Clockwise (viewed from shaft end) |
|
|
Shaft Standard |
1" SAE Splined Shaft, 15-Tooth / 16/32 Pitch |
|
|
Mounting Standard |
SAE B 2-Hole Flange Mount |
|
|
Port Specification |
Main Inlet Port |
2 Inch SAE Flange Inlet |
|
Front Pump Outlet |
1-1/16"-12 UNF Thread |
|
|
Rear Pump Outlet |
7/8"-14 UNF Thread |
|
|
Working & Physical |
Operating Fluid Temperature |
-15℃ ~ 80℃ |
|
Main Material |
Cast Iron Housing + Alloy Steel Gear |
|
|
Net Weight |
26 KG |
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