D1P193 Piston Pump – 193cc High Flow
High-torque open circuit pump for mining drills, roadheaders, forestry and offshore duty.
Product Overview
The D1P193 steps up to 193 cm³ for high-flow, high-torque open circuits, delivering 425 L/min in standard form and up to 483 L/min with the integral impeller, through the heavy SAE E flange mount.
This frame is the choice for mining drills, roadheaders, forestry machines and offshore applications where the 350 bar working rating runs for long shifts. Roller cradle bearings and the spherical valve plate design absorb repeated peak loads, and mechanical torque control stops engine stall when demand spikes suddenly.
Its mass and mounting class place it with the big flow consumers of a machine - the pump that feeds swing, feed and main implement functions where a smaller frame would run at its limit all day.
Technical Specifications
| Maximum displacement | 193 cm³/rev [11.78 in³] |
| Working / peak pressure | 350 bar [5,076 psi] / 400 bar [5,802 psi] |
| Continuous speed | 2,200 rpm standard / 2,500 rpm with impeller |
| Theoretical flow | 425 L/min [112 US gal/min] / 483 L/min [128 US gal/min] boosted |
| Mounting flange | SAE J744 165-4 (SAE E) |
| Input shaft | DIN 5480 W50 spline |
| Approximate weight | 106 kg [234 lb] |
Core Advantages
Rated for continuous operation at 350 bar where shift cycles run for hours.
Roller cradle bearings and spherical valve plates manage drill and crusher shock.
MTC limits torque demand automatically when the machine hits sudden load.
Integral impeller build sustains 2,500 rpm and 483 L/min output.
SAE E mount carries the torque of high-flow, high-pressure duty.
ATEX-certified mechanical configurations cover explosive-zone sites.
Key Selling Points
Application Industries
Typical Equipment
Feed, rotation and auxiliary systems
Cutting head and traction circuits
Heavy crane and feed functions
High-flow delivery circuits
Pipe handling and drill support
Main implement flow supply
Frequently Asked Questions
It is engineered for continuous 350 bar working pressure in heavy-duty cycles. Sustained operation at the 400 bar peak should be reviewed against the application data.
When the input speed exceeds 2,200 rpm or suction conditions are marginal. The boosted build supports 2,500 rpm continuous and 483 L/min flow.
The larger E-frame flange (SAE J744 165-4) carries the higher torque and flow of the 193 cm³ class without overstressing the mounting interface.
Mechanical torque control (MTC) limits pump torque demand in high-demand conditions, protecting both engine and driveline without extra electronics.
ATEX certification is available on mechanical control configurations - confirm the zone rating required when you enquire.
The standard input is a DIN 5480 W50 spline, with rotation set at build. Provide your current pump details and we will verify the match.
Large frames ship with export-grade packing; test report options and full dispatch documentation are available on request for project orders.
The complete D1P193 part code from your pump is the fastest route - it defines displacement variant, control, shaft, rotation and mounting for an accurate quotation.
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