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LL8 Pumps and Parts

LL8 Series Drilling Mud and Slurry Pump

The LL8 series of progressive cavity pumps and pump parts are supplied as 100% drop in aftermarket replacement parts for your Moyno® L8-Frame and Tarby® TL8 Frame and Continental CL8 pumps.The Liberty LL8 Series PC Pump is a standard flanged pump made in cast iron or 316 stainless steel. Pump casings and designed in 1, 2, and 3 stages for 75, 150 and 225 psi discharge pressures and a Flow rate of (11.7 gallons/100 revolutions) 15 up to 100 GPM.

The pump unit is a modular design with simple hardened pinned joint drive assembly. The LL8 Rotors are typically hardened tool steel or 316 stainless steel with a hard chrome plating for long life in abrasive pumping applications. All other wetted parts are either carbon steel or 316 stainless steel.

The Liberty unit is a low-cost, maintenance free, dependable drop-in replacement progressive cavity pump. Parts such as Rotors, Stators, Connecting Rods, Seals, Gasketery and more are all available as quality aftermarket replacement pump parts for your existing pump assembly.

View Pump Curves, Drawings & Performance

Find out more about the specifications of the Liberty Series LL8 Pump on our Liberty Process website.

Aftermarket LL8 Liberty Series PC Pump Parts

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LL8 Pump Casings and Supports

LL8 Series Pump Casings and Supports in Cast Iron, Steel and Stainless Steel are available for your pumping requirements. Pumps can be assembled with a variety of materials for a customized pumping solution for you. Please contact us today to discuss your options.

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LL8 Pump Stators

Stators are available in many elastomer materials such as Buna, natural rubber, EPDM and Viton.

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LL8 Pump Rotors

Rotors are typically hardened tool steel or 316 stainless steel with a hard chrome plating specification. All other wetted parts are either carbon steel or 316 stainless steel.

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LL8 Pump Parts

The Liberty LL8 Progressive Cavity Pump parts are direct progressive cavity pump part replacements that work with the Moyno® L8 series, the Tarby® TL8 series and Continental® CL8 Series*.


*Neither Progressivecavityparts.com nor its parent companies nor their replacement aftermarket progressive cavity pump parts are representative, affiliated or associated with Moyno®, Tarby®, Netzsch®, Continental®, Seepex®, Roper® or Allweiler® or their respective parent corporations. All part numbers, product lines and/or descriptions are for reference purposes only.

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LL8 PC Pump Bearing Lock Washer LL8 PC Pump Bearing Lock Nut LL8 PC Pump Drive Pin Washer
LL8 PC Pump Bearing Lock Washer
Sold Individually $11.00
LL8 PC Pump Bearing Lock Nut
Sold Individually $20.00
LL8 PC Pump Drive Pin Washer
Sold Individually $22.00
Steel Steel Plastic
LL8 PC Pump Connecting Rod Washer LL8 PC Pump Shaft Pin LL8 PC Pump Rotor Pin
LL8 PC Pump Connecting Rod Washer
Sold Individually $24.00
LL8 PC Pump Shaft Pin
Sold Individually $28.00
LL8 PC Pump Rotor Pin
Sold Individually $28.00
Buna Nitrile Rubber Steel Steel
LL8 PC Pump Radial Grease Seal LL8 PC Pump Thrust Grease Seal LL8 PC Pump Packing Gland Insert
LL8 PC Pump Radial Grease Seal
Sold Individually $28.00
LL8 PC Pump Thrust Grease Seal
Sold Individually $30.00
LL8 PC Pump Packing Gland Insert
Sold Individually $32.00
Steel and Buna Nitrile Steel and Buna Nitrile Steel
LL8 PC Pump Drive Pin Retaining Screw LL8 PC Pump Drive Pin Retaining Screw - Stainless Steel LL8 PC Pump Shaft Pin-Stainless Steel
Steel Stainless Steel Stainless Steel
LL8 PC Pump Rotor Pin-Stainless Steel LL8 PC Pump Bearing Spacer LL8 PC Pump Packing Gland Insert
LL8 PC Pump Bearing Spacer
Sold Individually $46.00
LL8 PC Pump Packing Gland Insert
Sold Individually $58.00
Stainless Steel Steel Stainless Steel
LL8 PC Pump Collar Pin Retainer LL8 PC Pump Lantern Ring LL8 PC Pump Lantern Ring 2-Piece Set
LL8 PC Pump Collar Pin Retainer
Sold Individually $102.00
LL8 PC Pump Lantern Ring
Sold Individually $105.00
LL8 PC Pump Lantern Ring 2-Piece Set
Sold Individually $105.00
Steel Steel Teflon
LL8 PC Pump Packing Gland LL8 PC Pump Bearing Cover Plate LL8 PC Pump Radial Bearing
LL8 PC Pump Packing Gland
Sold Individually $110.00
LL8 PC Pump Bearing Cover Plate
Sold Individually $116.00
LL8 PC Pump Radial Bearing
Sold Individually $120.00
Cast Iron Milled Cast Iron Steel
LL8 PC Pump Collar Pin Retainer - Stainless Steel LL8 PC Pump Packing Set LL4 Connecting Rod Kit - Stainless Steel
LL8 PC Pump Packing Set
Sold Individually $140.00
Stainless Steel Graphite Impregnated PTFE Stainless Steel
LL8 PC Pump Reducer LL8 PC Pump Packing Gland - Stainless Steel LL8 Connecting Rod
LL8 PC Pump Reducer
Sold Individually $272.00
LL8 Connecting Rod
Sold Individually $338.00
Steel Stainless Steel Steel
LL8 Stator Support Foot - Cast Iron LL8 Suction Body Support LL8 Connecting Rod Kit - Steel
LL8 Stator Support Foot
Sold Individually $400.00
LL8 Suction Body Support
Sold Individually $400.00
LL8 Connecting Rod Kit - Steel
Sold Individually $465.00
Cast Iron Cast Iron Steel