Mud Pumps for Drilling Rigs
What is a mud pump?
A mud pump is a reciprocating positive displacement pump used to circulate drilling fluid through the drill string and back to surface. It moves mud from the tank, down the drill pipe, across the bit and up the annulus, carrying cuttings with it and maintaining hydrostatic pressure in the borehole.
Drillbuilders mud pumps are selected and configured specifically for water well, exploration and geotechnical drilling. Flow, pressure and power are matched to each rig so the circulation system runs efficiently without overloading the engine or wasting fuel.
Core Functions
-Cooling the Drill Bit
Drilling fluid cools and lubricates the bit to prevent overheating and reduce wear, helping maintain consistent penetration.
-Lifting Drill Cuttings
Mud carries cuttings away from the bit and transports them to the surface so the bottom stays clean and drilling remains efficient.
-Maintaining Bore Stability
Proper mud pressure supports the borehole walls, preventing collapse and other issues in weak or fractured formations.
-Controlling Fluid Loss
Mud helps seal permeable zones and reduces fluid loss into the ground, protecting both the formation and the drilling process.
Core Applications
-Water Well Drilling
Used to support clean circulation, pressure control and cuttings removal during agricultural, municipal and industrial well work.
-Geological Drilling
Provides stable fluid flow for core recovery, helps clear cuttings and maintains bore stability during mineral or soil sampling.
-Construction Drilling
Supports circulation on projects such as foundations, anchors, tunnels and civil works requiring controlled drilling and pressure.
-Irrigation Boreholes
Ensures stable flow for irrigation wells and general engineering work, improving hole cleaning and overall drilling efficiency.
Mud Pump Types: Duplex and Triplex
Duplex Mud Pumps
Duplex pumps use two pistons to move drilling fluid with steady force. They offer simple, proven performance and are well suited for smaller rigs, moderate flow rates and projects where easy field maintenance is an important priority.
Triplex Mud Pumps
Triplex pumps use three pistons to deliver smoother, more efficient mud flow. They provide higher pressure in a compact frame and are ideal for deeper wells, demanding formations and drilling operations that require consistent circulation.
MUD PUMP MODELS AT A GLANCE
BW450 Mud Pump — Hydraulically Driven · 450 L/min
Runs straight off your rig's own hydraulics — no second engine to fuel or service. At 450 litres a minute it keeps a clean hole on most water-well and exploration work, and it is compact enough to bolt onto the rig you already run. Valves, liners and pistons you can reach and replace in the field.
BW850/2 Mud Pump — Engine Driven · 850 L/min @ 20 bar
Brings its own power — 850 litres a minute at 20 bar (600 L/min at 30 bar) for deeper holes, bigger diameters and heavier mud. Portable and self-contained, so you position it where you want and run it with any rig or crew. Built from the same field-serviceable parts for fast turnaround far from a workshop.
WHY CHOOSE DRILLBUILDERS?
Mud pumps optimized for African terrain, long duty cycles and real-world drilling challenges.
Proven Manufacturer Quality
Every Drillbuilders rig is built with precision manufacturing to ensure consistent quality, durability and performance.
Decades of Field Experience
Our team combines years of drilling expertise with modern engineering to deliver equipment trusted by professionals.
End-to-End Project Support
We provide full project support, from setup and training to maintenance and spare parts, ensuring lasting reliability.
Mud Pump FAQs
Which mud pump fits my drilling rig?
If your rig has spare hydraulic capacity, the BW450 hydraulic mud pump runs straight off the rig's own hydraulics with no separate engine to fuel or service. If you want a standalone pump you can move between rigs and sites, the engine-driven BW850/2 brings its own power.
What flow rate do I need for borehole drilling?
For most water-well and exploration holes, 450 litres per minute keeps the hole clean. For deeper holes, larger diameters or heavier mud, step up to the BW850/2 — 850 L/min at 20 bar, or 600 L/min at 30 bar.
Are these mud pumps in stock in South Africa?
Yes. Both the BW450 and the BW850/2 are in stock at our Mokopane, Limpopo workshop and ready for inspection. Prices on enquiry.
Do you supply spares and service for your mud pumps?
Yes. Valves, liners and pistons are field-serviceable and kept in stock, and Drillbuilders has manufactured and supported drilling equipment since 1999.
Mud Pumps In Stock at Our Workshop
Ready-to-work pumps you can view in Mokopane. Availability shown live from our stock system.
Mudpump BW850/2 — Engine Driven
Enquire for availability| Flow / pressure | 850 L/min @ 20 bar · 600 L/min @ 30 bar |
| Drive | Diesel engine driven, self-contained |
| Duty | Deep boreholes and demanding formations |
R 417 000 excl. VAT
View & BuyMudpump BW450 — Hydraulic Driven
Enquire for availability| Flow | 450 L/min |
| Drive | Hydraulic — runs off your rig’s hydraulics |
| Duty | Water well and general mud rotary drilling |
R 140 000 excl. VAT
View & BuyORBIT 5402 — Manufactured by Drillbuilders
We build the ORBIT 5402 progressive cavity mud pump from scratch in our Mokopane workshop — choose skid or road-towable trailer mounting.
Mud Pump ORBIT 5402 on Skid
Built to order in Mokopane| Pump | ORBIT 5402 horizontal progressive cavity |
| Engine | Deutz F3L912 three-cylinder diesel |
| Drive | Hand clutch · 1:3 ratio |
| Mounting | Heavy-duty skid — load on any truck or trailer |
R 299 000 excl. VAT
View DetailsMud Pump ORBIT 5402 on Trailer
Built to order in Mokopane| Pump | ORBIT 5402 horizontal progressive cavity |
| Engine | Deutz F3L912 three-cylinder diesel |
| Drive | Hand clutch · 1:3 ratio |
| Trailer | 1.6 t GVM · 988 kg empty — tow it site to site |
R 330 000 excl. VAT
View DetailsREQUEST A QUOTE FOR A MUD PUMP
Ready to start your next drilling project? Fill in the form below and our team will get back to you with pricing and configuration details within 24 hours.