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LL4 Parts and Parts Kits LL4 PC Pump Stators
LL4 PC Pump Rotors

LL4 PC Pumps

Liberty LL4 Abrasives and Grouting PC Pump

The Liberty LL4 Progressive Cavity Pump is an ideal low-costing progressive cavity pump for abrasive and wearing applications. The LL4 Series PC Pump is a standard flanged pump design manufactured with cast iron or 316 stainless steel casings and designed in 1, 2, and 3 stages for 75, 150, and 225 psi discharge pressures pumping from 0-24 GPM. (2.02 Gallons per 100 revolutions).

LL4 L-Frame Pump Views

Download informational PDF's below

LL4 Pump Information LL4 Flow Rate Curves LL4 Pump Dimensional Drawings
LL4 Flow Rate

The LL4 series of progressive cavity pumps and pump parts are supplied as 100% drop in aftermarket replacement parts for your Moyno® L4-Frame and Tarby® TL4 Frame and Continental CL4 pumps. 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.

The pump units modular design with simple hardened pinned joint drive assembly ensures ease of use with increased durability. The LL4 Series Progressive Cavity Pump Rotors are typically tool steel or 316 stainless steel with a hard chrome plating. All other wetted parts are either carbon steel or 316 stainless steel.

The standard seal design is a set of packing rope; however, mechanical seal assembly retrofits are readily available.

*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.

  • LL4 Pump Casings and Supports

    LL4 Pump Casings and Supports

    LL4 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. Contact us for details.

  • LL4 Pump Stators

    LL4 Pump Stators

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

  • LL4 Pump Rotors

    LL4 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.

  • LL4 Pump Parts Kits

    LL4 Pump Parts Kits

    The Liberty LL4 Progressive Cavity Pump parts are direct aftermarket replacements that interchange with the Moyno® L4 Series, Tarby® TL4 Series and Continental® CL4 Series.*

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1LL4 PC Pump Rotor 1LL4 PC Pump Rotor-Stainless Steel 1LL4 PC Pump Stator
Sold Individually $323.00
Sold Individually $567.00
Sold Individually $195.00
1LL4 PC Pump Rotor 1LL4 PC Pump Rotor-Stainless Steel 1LL4 PC Pump Stator
Chrome Plated Steel Chrome Plated Stainless Steel 1LL4 PC Pump Stator
1LL4 PC Pump Stator 1LL4 PC Pump Stator- Stainless Steel 1LL4 PC Pump Stator-Stainless Steel
Sold Individually $538.00
Sold Individually $314.00
Sold Individually $314.00
1LL4 PC Pump Stator 1LL4 PC Pump Stator- Stainless Steel 1LL4 PC Pump Stator-Stainless Steel
Viton with Steel Casing Buna Nitrile with Stainless Steel Casing EPDM Rubber with Stainless Steel Casing
1LL4 Progressive Cavity Pump 2LL4 PC Pump Stator-Stainless Steel 2LL4 PC Pump Rotor
Our Price: $2,257.00
Sold Individually $1,400.00
Sold Individually $567.00
1LL4 Progressive Cavity Pump 2LL4  PC Pump Stator-Stainless Steel 2LL4 PC Pump Rotor
1LL4 PC Pump Viton with Stainless Steel Casing Chrome Plated Steel
2LL4 PC Pump Rotor-Stainless Steel 2LL4 PC Pump Stator 2LL4 PC Pump Stator
Sold Individually $920.00
Sold Individually $295.00
Sold Individually $558.00
2LL4 PC Pump Rotor-Stainless Steel 2LL4 PC Pump Stator 2LL4 PC Pump Stator
Chrome Plated Stainless Steel Buna Nitrile with Steel Casing Buna Nitrile with Stainless Steel Casing
2LL4 PC Pump Stator 2LL4 PC Pump Stator 2LL4 PC Pump Stator-Stainless Steel
Sold Individually $295.00
Sold Individually $848.00
Sold Individually $600.00
2LL4 PC Pump Stator 2LL4 PC Pump Stator 2LL4 PC Pump Stator-Stainless Steel
Natural Rubber with Steel Casing Viton with Steel Casing EPDM with Stainless Steel Casing
2LL4 Progressive Cavity Pump 3LL4 PC Pump Rotor 3LL4 PC Pump Rotor-Stainless Steel
Our Price: $2,462.00
Sold Individually $796.00
Sold Individually $1,186.00
2LL4 Progressive Cavity Pump 3LL4 PC Pump Rotor 3LL4 PC Pump Rotor-Stainless Steel
2LL4 PC Pump Chrome Plated Steel Chrome Plated Stainless Steel
3LL4 PC Pump Stator 3LL4 PC Pump Stator 3LL4 PC Pump Stator
Sold Individually $394.00
Sold Individually $1,230.00
Sold Individually $738.00
3LL4 PC Pump Stator 3LL4 PC Pump Stator 3LL4 PC Pump Stator
Natural Rubber with Steel Casing Viton with Steel Casing Buna Nitrile with Stainless Steel Casing
3LL4 Progressive Cavity Pump 3LL4 Pump Stator LL4 Connecting Rod
Our Price: $2,525.00
Sold Individually $394.00
Sold Individually $106.00
3LL4 Progressive Cavity Pump 3LL4 Pump Stator LL4 Connecting Rod
3LL4 PC Pump Buna Nitrile with Steel Casing Steel
LL4 Connecting Rod - Stainless Steel LL4 Connecting Rod Kit LL4 Drive Pin Retaining Screw - Stainless Steel
Sold Individually $185.00
Sold In Kit Form $165.00
Sold Individually $32.00
LL4 Connecting Rod - Stainless Steel LL4 Connecting Rod Kit LL4 Drive Pin Retaining Screw
Stainless Steel Steel Stainless Steel
LL4 Drive Shaft LL4 Drive Shaft - Stainless Steel LL4 PC Pump Bearing Cover Plate
Sold Individually $330.00
Sold Individually $558.00
Sold Individually $68.00
LL4 Drive Shaft LL4 Drive Shaft - Stainless Steel LL4 PC Pump Bearing Cover Plate
Steel Stainless Steel Milled Cast Iron