jws 340 mud pump in stock

Used National JWS-340 triplex well service mud pump, 4" metal plungers x 5" stroke, steel fluid end, chain case, Plunger lubricator, Rated maximum input 340 HP at 450 RPM, Fluid end pressure tested to 15,000 PSI

JWS340 National Pump powered by a new C-9 CAT with an Manual 7-speed transmission mounted on an oilfield skid with a 3 X 4 hydraulic driven charge pump, 4-valve reverse manifold with two chicksans, mud gauge, shear relief, air chamber, 90 gallon fuel tank, 60 gallon hydraulic tank, pipe rack with 10 joints of flow line with unions. Unit will be painted with Industrial Enamel in your choice of One Color.

Triplex Pumps - National JWS 165 powered by 6V71 Detroit diesel engine through manual 5-speed transmission/engine runs well / condition: fair More Info

Triplex Pumps - National JWS 165 powered by 6V71 Detroit diesel engine through manual 5-speed transmission/engine runs well / condition: fair More Info

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You are viewing Tri Plex Mud Pumps and Swivels offered by Pickett Oilfield, LLC. We currently have several Mud Pumps and Swivels to choose from which are priced to go!

Combo Reverse Unit 5k JWS 340 triplex pump – Powered by Cummins 8.3 diesel engine, 5 speed Eaton fuller transmission, 4-5k gate valve reverse manifold with a 160 BBLS capacity tank. Excellent Condition.

Unused Surplus Aplex MA-40M triplex pump. Aluminum bronze fluid end, 1 1/2" white ceramic plungers, gland adjustable 838 bronze packing, abrasion resistant valve assembly.

DESCRIPTIONPOWER END COMPLETE, Less Intermediate Rodscomposed of:WIPER, Intermediate Rod (JM-16203-H)FITITNG, Alemite 1/8 No. 1610-BRETAINER, Intermediate Rod WiperGASKET, Intermediate Rod Wiper RetainerPLATE, Crosshead Oil Reservoir CoverSCREW, 1/2" x 1 Hex Head Cap:For Crosshead Oil Reservoir Cover PlateFor Power End Top CoverFor Power End Rear CoverGasket, for Crosshead Oil Reservoir CoverGasket, for Power End Top CoverGasket, for Power End Rear CoverCAP, Breather Donaldson No. S-183ROD, Complete Connecting, LESS Crank End BushingComposed of:ROD, Only, Includes:BUSHING, Bronze Crosshead End (Service)BOLT, Drilled Head Connecting RodPIN, 3/8 x 1/2" Dowel (For Crank End Bushing)BUSHING, Aluminum Crank End Connecting RodTROUGH, OilSCREW, 1/2" x 1 Hex Head Cap Oil TroughWASHER, 1/2" Regular Spring Oil TroughPLATE, Power End Top CoverFRAME ONLYPLATE, Power End Rear Cover (JWS)GAUGE, Dipstick OilPLUG, 1 Std. PipePIN, 1/8 x 1 Spring Roll (Snap Rings)PIN, Crosshead Includes:SCREW, 1/4" x 1/2" Socket Head Cone Pt. SetCROSSHEADPIN, Spring SlotBOLT, Intermediate Rod Hook Includes:NUT, 1/2" ESNAWASHER, 1/2" Stat-O-SealCRANKSHAFT ONLYEXCLUDER, DirtRETAINER, Crankshaft Bearing (Cage Side) Belt or Direct DriveRETAINER, Crankshaft Bearing (Cage Side) Gear Reducer DriveSCREW, 5/8: x 1 Drilled Head Cap:For Main Bearing CageFor Crankshaft Bearing RetainersGASKET, Crankshaft Bearing Retainer (Cage Side)CAGE, Main BearingGASKET, Main Bearing CageBEARING, Crankshaft Main RollerRING, Center Bearing Crankshaft SnapRING, Center Bearing Frame SnapBEARING, Crankshaft Center RollerPIN, 3/16 x 1/2" Spring RollSPROCKET, 60T 1/2" Pitch SingleGASKET, Crankshaft Brg. Retainer (Opp. Cage Side)RETAINER, Crankshaft Brg. (Opp. Cage Side)WASHER, Timken No. TW-126 LockNUT, Timken No. Tan-26 LockPIPING, Low Speed Lubrication (See Page 4)PLUG, 1 Std. Pipe

DESCRIPTIONPIPING, LOW SPEED LUBRICATION, Composed of:PUMP, #1S-B&S #713-10-2WASHER, 3/8 Spring LockPIPE, Power End LubricationPIN, 1/4" x 1 CotterWASHER, 3/8 W Type A-1.000 O.D.SPRING, Ball ValveRETAINER, SpringBALL, ValveCONNECTOR, #68 x 3 (1/8 Pipe x 3/16 Tube)TUBING, 3/16 Copper (6-0)CLAMP, 1 Std. PipeSCREW, 1/4" x 1/2" Hex Head CapELBOW, #1469 x 8K (3/8 Pipe x 1/2" Tube)BUSHING, 1/2" x 3/8 Std. PipeTUBING, 1/2" Synflex (4-0)CONNECTOR, #1468 x 8K (3/8 Pipe x 1/2" Tube)ADAPTER, Gauge ConnectionPLUG, 3/8 Sq. Hd. Solid PipeCHAIN, 1/2 Single 76 Pitches RC-40LINK, Connecting 1/2 Single RC-40SUPPORT, Pump MountingSCREW, 1/2" x 1 Hex Hd. CapWASHER, 1/2" Spring LockWASHER, 1/2 W Type A-1.375 O.D.SPROCKET, 13T Pitch SingleSCREW, #10-24 x 3/8 Cup Point SetKEY, 1/8 x 1/8 x 5/8 Rd. One EndSCREW, 3/8 x 1 Hex Hd. Cap

DESCRIPTIONRod, Clamp Type IntermediateRod, Threaded IntermediateClamp Cpt., - Plunger Intermediate Rod (340-019),Composed of:Clamp, Plunger Bolt HalfClamp, Plunger Threaded HalfScrew, 1/2" x 3 CapWasher, Spring Lock Type 304 S.S.Plate, Rubber Baffle (Intermediate Rod)Nut, 1-3/8 Heavy Hex-Fluid Cylinder to FrameNut, 1-3/8 Special Aluminum Bronze Acorn (Opt.)Cylinder Only, Fluid Forged Steel, Composed of:Stud, 1-3/8 x 7 Fluid Cyl. to FrameCover, Threaded Top and FrontPlate, Top and Front CoverSeal, Top and Front Cover PlateRetainer, Discharge SpringScrew, 1/2" x 1 CapWasher, 1/2" Reg. Spring LockSeat Only, Discharge Includes:O-Ring, Discharge SeatValve Complete, Suction & Discharge Includes:Body, ValveDisc, Valve PolyurethaneDisc, Valve Hycar (Optional)Retainer, Valve DiscScrew, 3/4" x 1 CapWasher, 3/4" Heavy External ToothSpring, Suction and Discharge ValveBracket, Suction Valve SpringScrew, 1/2" x 1 CapWasher, 1/2" Reg. Spring LockSeat Only, Suction Valve Includes:O-Ring, Suction SeatManifold, SuctionGasket, Suction ManifoldScrew, 3/4" x 2 CapWasher, 3/4"Reg. Spring LockRing, BX-152 Type S-304Screw, 3/4" x 3 Cap Grade 5 Discharge FlangeWrench, Valve Cover, OPTIONAL FLANGE:Flange, 2-1/16 API-10,000# Ring Joint Discharge

WELL SERVICE PUMPJWS-340 PARTS LISTPART NO.179004564661271680008368000621717344240404824040197811071781107217101251713021702720817131111713112G-171761547125307200020740042078040801717498

National Oilwell Varco is a leadingmanufacturer of reciprocating plungerpumps, Mission Fluid King centrifugalpumps, and fluid end replacement parts.We also offer a complete set of solutions toyour fluid transfer challenges. For moreInformation, contact National Oilwell Varcodirectly at the Headquarters in Houston,Texas. All National Oilwell Varco productsare available throughout the U.S. andaround the world from service centers,authorized distributors, andrepresentatives.

A mud pump (sometimes referred to as a mud drilling pump or drilling mud pump), is a reciprocating piston/plunger pump designed to circulate drilling fluid under high pressure (up to 7,500 psi or 52,000 kPa) down the drill string and back up the annulus. A mud pump is an important part of the equipment used for oil well drilling and manufactured according to API specification 7K.

The advantages of the drilling mud pump include the ability to move high-solids-content fluids laden with abrasives, the ability to pump large particles, ease of operation and maintenance, reliability, and the ability to operate over a wide range of pressures and flow rates by changing the diameter of pump liners and pistons.

As an important equipment for oilfield drilling operation, a drilling mud pump delivers circulating high-pressure drilling fluid or drilling mud to the bottom of the oil well, flushes the bottom of the well, breaks the rock, cools, lubricates and clean the drill bit, and carries the cuttings back to the ground.

The drilling mud is also used to suspend and carry out drill cuttings from the drill bits as it is brought in and out of the hole. This ensures that the drill bit does not clog and overheat, and makes the entire drilling operation smooth and safe.

Rotational power is supplied to the mud pump through an external power source like a diesel engine or electric motor. The power end of the mud pump converts the rotational energy through a crankshaft to a reciprocating motion of pistons.

The pistons move back and forth in mud pump liners, exerting a force on the cylinder chamber. During the retraction of the piston, valves open to allow the fluid to be drawn into the cylinder. Once the piston has fully retracted, it is pushed back into the cylinder.