For solid, reliable drilling performance, customers can count on LEWCO Mud Pumps. Each mud pump features a power-balanced, forged alloy steel crankshaft for smooth operation and ensured longevity. In addition, all LEWCO Mud Pumps include a welded steel power frame, forged alloy steel pinions and gears, and triple-redundant power end lubrication. Prior to delivery, LeTourneau mud pumps are full-pressure tested at the quality control facility to meet performance expectations.
The power-balancing crankshaft reduces noise and vibration and extends bearing and crankshaft life. Rather than using a multi-piece bolted component, the LEWCO crankshaft is a one-piece, forged and fabricated construction and heat-treated for durability. It is fully repairable to help minimize operating expense, and its bearings are lubricated via drilled internal passageways—a longevity feature available on LEWCO mud pumps.
Welded Steel Power Frame
The LEWCO power frame is built for performance, reliability and toughness. Designed for discharge pressures as high as 7,500 psi, it is an independent, precision fabricated structure of double-wall welded steel, with stiffeners and gussets for added strength and durability. Instead of pumps being mounted on an integral skid, the LEWCO mud pump comes mounted on a heavy-duty oilfield skid for easy mobility and alignment capability, which reduces component wear from increased internal stresses.
Forged Alloy Steel Pinions and Gears
Double helix or herringbone gear sets provide outstanding load transmission and quiet operation, while heat treatment maximizes strength and durability.
Triple-Redundant Power End Lubrication
LEWCO’s triple-redundant, filtered lubrication system includes internal gravity/splash plus internal/external force-feeding of most power end bearings and upper/lower crosshead slides. At low operating speeds, the system includes a gear-driven mechanical pump off the main gear and a second pump driven by an electric motor.
Fluid End Modules
LEWCO manufactures fluid modules in one or two-piece configurations using quenched and tempered forged steel material. In most cases, LeTourneau Drilling Systems can furnish fluid end modules compatible with the other mud pump brands, eliminating the need to stock extra spares. All fluid end expendables are on-the-shelf parts, available from worldwide LeTourneau facilities, further minimizing need for additional stocking.
Modified-Buttress Threaded Cylinder Heads and Valve Covers
LEWCO manufactures modified buttress tread locks for quick and easy access to valves and liners.
"Super Nuts" on Main Bearing Cap
Used in lieu of hex nuts, super nuts eliminate the need for special tools that are not commonly available on drilling rigs.
Steel Connecting Rods
LEWCO’s rolled-plate, low carbon steel connecting rods maintain precise alignment between crankshaft and crosshead under maximum load. These rods feature double-row cylindrical roller bearings in the crosshead end and single-row cylindrical bearings in the crankshaft end, minimizing wear and friction under severe operating conditions.
Discharge Manifolds
Made of forged, heat-treated steel, LEWCO discharge manifolds are designed to provide reliable connections and easy module maintenance. They are available in working pressures of 5,000 and 7,500 psi, and in various flange outlet configurations with clean-out strainers. On LEWCO pumps, the single-piece trepanned manifold mounts directly to the front or back of the fluid ends to eliminate connections between the discharge modules.
LEWCO’s W-Series Mud Pumps are built for durability and longevity and designed with a welded power steel frame featuring more steel for operational efficiency. The W-Series line includes heavy duty, high-pressure, low-maintenance pumps to optimize drilling performance. All LEWCO Mud Pumps feature a power-balanced, single-piece forged steel crankshaft for smooth operation.
Click to expand for pump performance data
W-446Max psi: 3,000 at 225 gpm I Max gpm: 661 at 1,027 psi
W-1100Max psi: 5,000 at 289 gpm I Max gpm: 700 at 2,425 psi
W-1712Max psi: 7,500 at 297 gpm I Max gpm: 826 at 3,174 psi
W-1714Max psi: 7,500 at 318 gpm I Max gpm: 884 at 2,968 psi
W-2214Max psi: 7,500 at 393 gpm I Max gpm: 1,272 at 2,667 psi
W-2215Max psi: 7,500 at 421 gpm I Max gpm: 1,363 at 2,489 psi
W-3000Max psi: 7,500 at 588 gpm I Max gpm: 1,322 at 3,051 psi
Developed for optimum mobility, the WH-Series Mud Pumps provide greater performance in a smaller package. Featuring smaller footprints and lighter weights, these pumps are ideal for applications where space is limited. All LEWCO Mud Pumps feature, power-balanced, single-piece forged steel crankshaft for smooth operation.
Click to expand for pump performance data
WH-1000Max psi: 5,000 at 261 gpm I Max gpm: 800 at 1,929 psi
WH-1312Max psi: 5,000 at 398 gpm I Max gpm: 780 at 2,572 psi
WH-1612Max psi: 7,500 at 297 gpm I Max gpm: 826 at 2,987 psi
WH-2000Max psi: 7,500 at 347 gpm I Max gpm: 964 at 3,201 psi
WH-2214Max psi: 7,500 at 428 gpm I Max gpm: 964 at 3,521 psi
Full-Pressure Testing for Solid Peace of Mind
Prior to shipping, every LeTourneau Mud Pump is full-load tested to ensure performance is to specifications. Rigorous testing takes place in the 160,000+ square foot manufacturing complex in Houston, Texas.
The LeTourneau laboratory can test pumps at inputs of up to 3,000 horsepower (2,237 kW) or discharge pressures as great as 7,500-psi (527 kg/cm), using AC or DC drive. Beyond standard testing, LeTourneau can also perform most specialized testing.
All LEWCO Mud Pumps feature a power-balanced, single-piece forged steel crankshaft for extra smooth operation. The Nickel Test demonstrates the crankshaft’s ability to reduce vibration. The test is performed at 7,500 psi to ensure operational efficiency at peak performance. The Nickel Test shows LeTourneau Drilling Systems' commitment to high quality manufacturing and testing procedures.
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The LeTourneau laboratory can test pumps at inputs of up to 3,000 horsepower (2,237 kW) or discharge pressures as great as 7,500-psi (527 kg/cm), using AC or DC drive. Beyond standard testing, LeTourneau can also perform most specialized testing.