Group 1P – 1P
The Boss Hydraulics Group 1P – 1P Tandem Pump is a heavy-duty double external gear pump designed to power two independent hydraulic circuits simultaneously from a single drive source. By connecting two Group 1P pump sections using a heavy-duty internal coupling, it eliminates the need for multiple drive shafts or separate prime movers, maximizing space and efficiency. Built with premium aluminum housings and high-strength steel gears, it delivers reliable, pulsation-free flow under continuous high-pressure conditions in compact industrial, agricultural, and mobile equipment applications.
- Operating Pressure : High Performance Range
- Application : Industrial & Mobile Systems
About this item
The Boss Hydraulics Group 1P – 1P Tandem Pump is a high-performance double external gear pump assembly optimized for multi-circuit hydraulic configurations. It combines two Group 1P pump sections connected via an internal coupling (typically an Oldham coupling) to allow a single drive shaft to power two independent hydraulic streams.
| Technical Parameter | Specification Detail |
|---|---|
| Product Type | Group 1P – 1P Tandem Gear Pump |
| Manufacturer | Boss Hydraulics |
| Max Working Pressure | 230 bar to 250 bar |
| Displacement Range | 11 cm3/rev to 55 cm3/rev |
| Flow Outputs | 30 LPM to 140 LPM |
| Coupling Type | Internal Oldham Coupling |
| Mounting Style | Standard SAE 2-Bolt / 4-Bolt |
| Shaft Options | Parallel, Splined, or Tapered |






















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