| Specification | Details |
|---|---|
| Product Name | Pump Main Hydraulic 33/29 CC/REV |
| Part Number | 20/903100 |
| Alternate / Reference Numbers | 20/902900, 20/903100, 20/912800 |
| Product Type | Twin Main Hydraulic Pump |
| Front Pump Displacement | 33 cc/rev |
| Rear Pump Displacement | 29 cc/rev |
| Total Pump Configuration | 33 + 29 cc/rev |
| Rotation | Counter-Clockwise (viewed from shaft end) |
| Shaft Type | 1-inch parallel keyed shaft |
| Mounting | SAE B, 2-bolt mounting flange |
| Inlet | Combined 2-inch SAE flange |
| Front Outlet | 1 1/16"-12 UNF threaded |
| Rear Outlet | 7/8"-14 UNF threaded |
| Maximum Working Pressure | Up to 275 bar, application dependent |
| Maximum Input Shaft Torque | 325 Nm |
| Application | Main hydraulic system |
| Machine Type | JCB Backhoe Loader / Construction Equipment |
| Compatible Applications | Selected JCB 3CX and 4CX models; verify machine serial/application |
| Brand | Gravitaz |
| Supplier | Gravitaz Earthmovers Corporation |
| Website | www.jcbparts.in |
The Pump Main Hydraulic 33/29 CC/REV – Part Number 20/903100 is a twin hydraulic pump designed for JCB construction equipment hydraulic systems. The pump features 33 cc/rev front displacement and 29 cc/rev rear displacement, making it suitable for hydraulic applications requiring dependable flow and pressure. Available technical references identify 20/903100 as a 33/29 cc/rev JCB hydraulic pump, with a 1-inch keyed shaft and SAE B two-bolt mounting configuration.
This JCB hydraulic pump is associated with various JCB 3CX applications and is also referenced for selected 4CX machines. Because hydraulic-pump fitment can vary by machine code, engine and serial number, compatibility should be verified before ordering.
Gravitaz Earthmovers Corporation supplies JCB-compatible replacement parts through www.jcbparts.in, helping customers source hydraulic and other JCB Spare Parts for construction machinery.
