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American Mud Pumps
Robust and reliable mud pumps designed for the most demanding conditions in the drilling industry. American Mud Pumps deliver unmatched power, minimal maintenance, and maximum uptime for your operation.
- Maximum uptime: Designed for continuous operation under extreme conditions.
- Minimal maintenance: Designed with durable components for longer service intervals.
- High performance: Delivers precise power and efficiency for demanding drilling projects.
Flow unit
The information on this page is intended as support for our customers. It is for reference only.
The information is based on a typical Triplex mud pump, and descriptions may vary depending on the mud pump brand, etc.
Power end assembly
- Crosshead assembly
- Pinion assembly
- Crankshaft assembly
- Drive frame assembly
Crankshaft assembly
- CRANKSHAFT ASSEMBLY 01 (CRANKSHAFT ASSEMBLY01)
- Screw, hex socket ⅝” – 11 x 2″ Alloy B18.2.1 GR8
- Retainer, outer race eccentric bearing
- Bearing, cylindrical roller bearing
- Retainer, inner race eccentric bearing
- Connecting rod
- Crankshaft
- Hex screw 1-1/2– 6UNC x 5½” CS B18.2.1 GR8
- Main gear
- Nut, hex 1-1/2–6UNC with nylon insert
- Lock wire, 0.048″ OD Stainless steel
Main bearing
- Screw, hex ¾” – UNC x 2.000″ drilled G8
- Retainer, outer race, main bearing
Screw, drilled hex 1″ – 8 x 2¾” Alloy B18.2.1 GR8 - 1″ lock washer, spring type
- Retainer, main bearing inner race
- Shim set, main bearing
- Bearing, roller bearing
- Bearing retainer, crankshaft bearing RH /
- Bearing retainer, crankshaft bearing LH
Power pinion shaft assembly
- Shaft, pinion, herringbone
- Screw, drilled hex ⅝” – 11 GR8
- Plate, oil retainer for pinion
- Gasket, pinion bearing retainer
- Retainer, pinion bearing
- 1″ lock washer, spring type
- Screw, hex head 1–8 UNC
- Bearing, cylindrical roller bearing
- Gasket, seal plate
- Plate, pinion, oil seal
¾” lock washer - Screw, hex ¾” – 10 UNC drilled G8
- Seal, oil 13″ bore x ¾” width (seal, oil)
- Race, pinion oil seal
- Seal, oil 13″ bore x ¾” width (seal, oil)
Crosshead assembly
- Screw, hex head ⅝” – 11 UNC x 1.500″ GR5
- Lock washer ⅝”
- Plate, packing box cover
- O-ring, packing box
- Gasket, crosshead to extension rod
- O-ring, packing box cover
- Packing cassette
Screw, socket head/hex ¾” – 10 UNC x 1¾” LG. - Seal, ¾” diameter, black Stat-O-Seal
- Packing box
- Gasket/flat gasket, packing box
- Crosshead
- Retainer, inner crosshead pin
- Screw, drilled hex ¾” – 10 x 2⅛” GR8, DH
- Bearing, cylindrical roller bearing
- Crosshead pin /
- Crosshead bolt
- Retainer, crosshead pin with grease cup
- Screw, hex head ⅞” – 9 UNC x 2½” GR8, DH
- Screw, hex head 1″ – 8 UNC x 3″ LG GR5, DH
- Extension rod, crosshead
- Screw, hex head 1″ – 8 x 2.500″ DH
- Shield plate
- Crosshead guide
Screw, socket head/hex 1″ – 8 UNC x 2½”, DH - Guide, clamp rod NS
- Lock wire, 0.048″ OD stainless steel
Liner assembly
- Nut, liner retainer (Nut, liner retainer)
- Liner 5″
Liner 5.5″ (5 1/2″)
Liner 6″
Liner 6.5″ (6 1/2″)
Liner 7″
Liner 7.5″ (7 1/2″)
Liner 8″
Liner 8.5″ (8 1/2″)
Liner 9″ - Screw plug, retainer
- Flange, liner retainer
- Wear plate
- Seal, wear plate, urethane NS Splash guard, liner wash
Piston assembly
- Clamp assembly
- Lower rod, piston
- Piston rod
- Piston 5″
Piston 5.5″ (5 1/2″)
Piston 6″
Piston 6.5″ (6 1/2″)
Piston 7″
Piston 7.5″ (7 1/2″)
Piston 8″
Piston 8.5″ (8 1/2″)
Piston 9″ - Lock nut
Valve assembly
- Spring, carbon steel (CS spring)
- Spring, stainless steel (SS spring)
- Valve with bonded insert
- Valve with replaceable insert
- Valve seat
- Valve insert
- Seat puller head NS valve seat removal kit
The advantages of American Mud Pumps
- The advantages of American Mud Pump
- Many years of experience in pump systems and oilfield equipment
- Fully customizable solutions for all drilling environments
- Focus on quality, safety, and customer satisfaction
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