Power end Assembly

The information described in this page is to support our clients, It should be used for reference only.
Information is based on a typical Triplex Mud Pump, and descriptions may be different depending on mud pump brand, etc.

POWER END ASSEMBLY

CROSSHEAD ASSEMBLY

PINION ASSEMBLY

CRANKSHAFT ASSEMBLY

POWER FRAME ASSEMBLY

COVER, CRANKCASE

SCREW, HEX CAP 5/8" - 11 X 2 1/2" GR5

POWER FRAME

GASKET, CROSSHEAD COVER

SUPPORT, FRAME FRONT

SCREW, HEX HEAD CAP 3/4"- 10 UNC x2 1/2"

CROSSHEAD COVER

SEAL, 3/4" DIA, BLACK STAT O SEAL

SCREW, CAP HEX 3/4"-10X2 1/2" GR5

COVER, MAIN BEARING

GASKET, MAIN BEARING COVER

STUD, MAIN BEARING RETAINER CAP

TORQUE NUT WITH WASHER

CRANK SHAFT ASSEMBLY

Screw, Cap Drilled Hex ⅝” – 11 x 2” Alloy B18.2.1 GR8

Retainer, Eccentric Bearing Outer Race

Bearing, Cylindrical Roller

Retainer, Eccentric Bearing Inner Race

Connecting Rod

Crankshaft

Cap Screw, Hex 1-1/2– 6UNC x 5½” CS B18.2.1 GR8

Gear, Main

Nut, Hex 1-1/2–6UNC with Nylon insert

Tie Wire, 0.048” OD Stainless Steel

MAIN BEARING ASSEMBLY

Screw, Hex Head Cap ¾” – 10 UNC x 2.000” drilled G8

Retainer, Main Bearing Outer Race

Screw, Cap 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

Carrier, Crankshaft Bearing RH

Carrier, Crankshaft Bearing LH

Tie Wire, 0.048” OD Stainless Steel

POWER PINION SHAFT ASSEMBLY

Shaft, Pinion, Herringbone

Screw, Cap Drilled Hex ⅝” – 11 GR8

Plate, Pinion Oil Retainer

Gasket, Pinion Carrier

Carrier, Pinion Bearing

1” Lock Washer, Spring Type

Screw, Hex Head Cap 1–8 UNC

Bearing, Cylindrical Roller

Gasket, Seal Plate

Plate, Pinion, Oil Seal

¾” Lock Washer

Screw, Hex Head Cap ¾” – 10 UNC drilled G8

Seal, Oil 13” Bore x ¾” WD

Race, Pinion Oil Seal

Seal, Oil 13” Bore x ¾” WD

CROSSHEAD ASSEMBLY

Screw, Hex Head Cap ⅝” – 11 UNC x 1.500” GR5

Washer, Lock ⅝”

Plate, Stuffing Box Cover

O-Ring, Stuffing Box

Packing, Crosshead Extension Rod

O-Ring, Stuffing Box Cover

Cartridge, Packing

Screw, Socket Head Cap ¾” – 10 UNC x 1¾” LG.

Seal, ¾” Diameter, Black Stat o Seal

Box, Stuffing

Gasket, Stuffing Box

Crosshead

Retainer, Inner Wrist Pin

Screw, Drilled Hex Cap ¾” – 10 x 2⅛” GR8, DH

Bearing, Cylindrical Roller

Pin, Wrist, Crosshead

Retainer, Wrist Pin w/ Lube Cup

Screw, Hex Head Cap ⅞" - 9 UNC x 2½" GR8, DH

Screw, Hex Head Cap 1" - 8 UNC x 3" LG GR5, DH

Rod, Crosshead Extension

Screw, Hex Head Cap 1” – 8 x 2.500” DH

Disc, Baffle

Guide, Crosshead

Screw, Socket Head Cap 1” – 8 UNC x 2½” , DH

Guide, Clamp Bar

Tie Wire, 0.048” OD Stainless Steel

LINER ASSEMBLY

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"

Cap Screw, Retainer

Flange, Liner Retainer

Wear Plate

Seal, Wear Plate, Urethane

Splash Baffle, Liner Wash

Liners; Chrome Iron, Zirconia Liners

Replacement Seals ; Nitrile, Urethane seal

PISTON ASSEMBLY

Clamp Assembly

Sub Rod, Piston

Rod, Piston

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"

Nut, Lock

Bonded DD Urethane Piston
Bonded DD HT Urethane Piston
Bonded Nitrile Piston
Replaceable Nitrile
Replacement Kit

VALVE ASSEMBLY

CS Spring

SS Spring

Valve with Bonded Insert

Valve with Replaceable Insert

Valve Seat

Valve Insert

Seat Puller Head

Valve Seat Puller Kit

Full Open Valve
Full Open HT Valve
3 Web CG Valve
3 Web CG HT Valve
4 Web CG Valve
4Web CG HT Valve

FLUID END ASSEMBLY

Discharge Module, Studded (Included Items 2 – 7)

Discharge Module, Only

Nut – Wedge Adjusting

Stud w/Nut – Frame

Stud w/Nut – Liner Bushing

Stud w/Nut – Discharge to Suction

Suction Module

Bushing – Liner

Seal Retainer

Valve Cover

Screw – Wedge Adjusting

Washer – Wedge Adjusting

Spring – Wedge Assembly

Wedge Assembly

Gasket – Valve Cover

Holder – Valve Guide

Insert – Valve Guide

Pin, Dowell

Plate – Wear

Connector – Discharge

Adapter – Discharge Connector

Packing, Rectangular

Clamp – Liner

Stud w/ Nut, Discharge Spacer

Seal – Suction Manifold

Collar – Liner

Seal – Module, Wear Plate

Warranty:

American Mud Pumps LLC: warrants its products to be free from defects in material and/or workmanship under normal use and service for a period of one(1)year from the date of shipment. The liability for any defects shall be limited to the repair or replacement of such products, or at the option of American Mud Pumps LLC the refunding of purchase price. This warranty is expressly in lieu of all other warranties and representations, expressed or implied, and all other obligations or liabilities on the part of American Mud Pumps LLC, which shall not be liable for consequential damages for any breach of warranty."

Disclaimers.

American Mud Pumps LLC is a quality independent company. We are neither a licensee, nor affiliated with any other original equipment manufacturer (OEM) which may be named throughout. The manufacturers' names or trademarks used herein are solely for identification purposes and are not intended by American Mud Pumps LLC to cause confusion as to the source, sponsorship or quality of the parts provided by American Mud Pumps LLC. The OEMs named throughout this catalog do not sponsor, promote, warranty or endorse American Mud Pumps LLC products. Part number usage is for identification purposes only."