Front of Engine Power Take-off (PTO) Clutches

For Marine and
Mobile Applications

Front of Engine PTO clutches are used in a variety of Industrial, On-Highway, Marine, Construction, Agriculture, Mining, Oil Field, and Rail applications. They are designed to mount between the power take-off of the engine and auxiliary attachment, i.e. single or multi-station pump drive. 

  • Logan 600 Series Front of Engine Power Take-off (PTO) Clutch Pictured on a Cat C6.6 Genset. 163 HP (120 kW) @1800 RPM
  • Logan 600 Series transmits 741 lb. ft. of torque (1004 kW) @ 100 psi (7 bar) / 1084 lb. ft. (1469 kW) @ 140 psi (9.5 bar). Max engagement speed is 1800 RPM. Clutch shown with cover plate removed.
  • Logan Support Brackets are Engineered to Ensure Precise Crank Shaft Alignment to Simplify Field or Factory Installation.
  • Scania D13 Series 650 HP (478 kW) Pictured with Logan LC-314 Bell PTO 2702 lb. ft. (3664 Nm) for Main Propulsion and Logan Front PTO 1000 Series Clutch,1590 lb. ft. (2155NM) to Drive an Auxiliary Pump
  • Fluid /Air Actuated, and Self Adjusting
  • Logan Front PTO Act as Connect/Disconnect for Auxiliary Pumps
  • Engine Shown with Logan Front PTO and Bracket Assembly
  • Up to Maximum Available Power Off the Front of Your Engine.
  • Modern Tug Boat Equipped with Twin Gensets.
  • The Sandwich Fire and Rescue Boat Displaying the Outstanding Fire-Fighting Flow of The Logan PTO.
  • Cummins QSB 6.7 with Logan PTO 600 Front Mount Kit.
  • PTO Clutch with Integral Flexible Coupling
  • Pump Mount Solution for Low Torsion Applications
  • Cardan Shaft Solution for Low Torsion Applications
  • Universal Front of Engine PTO
  • Direct Connection to Power Source The PTO Clutch is Directly Mounted to The Power Source Via the SAE Standard Flange. The Auxiliary Pump Mounts Directly to the Output of Clutch, Utilizing the Same SAE
  • 402 Series: Remote Mounting of Auxiliary Pump Overhung Load Adapter Mounts to the Output of the PTO Clutch Assembly and Allows for Moderate Side Load Induced by a Cardon Shaft.
  • 405 Series: Remote Mounting of Consecutive PTO Clutch and Auxiliary Pump Utilizing the Logan 405 Series Companion Flange Adapters, the Remotely Mounted PTO Clutch Input Interfaces
  • Combination of 405 and 402 Series: Cardan Shafts Mounted to Both Sides of the PTO Clutch Utilizing a 405 Companion Flange on the Input and 402 Overhung Load Adapter on the Output.
  • Logan Direct Drive Power Take-Off (PTO) Clutch
  • Logan Front Mount PTO with Integral Flexible Coupling and Bracket Assembly
  • Moose Boats Fire Rescue Catamaran
  • Moose Boats Fire Rescue Catamaran
  • Engine Compartment Showing the Sea Chest on the Inboard Side and Clutch Shroud Forward. The Fire Pump is Under the Deck Forward in the Compartment.

Applications:

  • Single and multi-station pumps
  • Mobile or stationary auxiliary drives
  • Connect / disconnect direct drives
  • Winches, reels, hoists and more

Advantages:

  • Simple, efficient, high-torque design
  • Reduces fuel consumption and CO2 emissions: engaging drives and pumps (only when required)
  • Easier-engine starts: lowers horsepower draw and cranking power required during machine start-up by disconnecting the hydraulic system from the engine
  • Reduces ambient noise: through intermittent use of pumps and equipment
  • Cooler running hydraulic systems: heat is generated whenever oil dumps from high to low pressure without producing work. Disconnecting the PTO Clutch reduces the destructive effects of heat – lowering maintenance costs and hydraulic oil requirements
  • Extends the life of drive systems and components

Logan Front of Engine Power Take-Off (PTO) Clutches

Logan Front of Engine Power Take-Off (PTO) Clutches

Simple, Efficient, High-Torque Design

Logan PTO’s are used in a variety of Industrial, On-Highway, Marine, Construction, Agriculture, Mining, Oil Field, and Rail applications – and are designed to mount between the power take-off of the engine and auxiliary attachment, i.e. single or multi-station pump drive.

PTO Clutch Applications

  • Single and Multi-Station Pumps
  • Mobile or Stationary Auxiliary Drives
  • Connect / Disconnect Direct Drives
  • Winches, Reels, Hoists and more
     

PTO Clutch Applications

Features

  • Heavy-duty, self-contained corrosion resistant design requires no external lubrication

  • Air or Hydraulically actuated; self-adjusting, multiple disc pack design

  • Smooth engagement / disengagement

  • Simplified, compact, high torque design

  • Remote activation from a control panel or operator’s station

  • Optional manual engagement screws in case power flow is disrupted

  • Optional shaft adapters for Dana style flanges

  • American Bureau of Shipping (ABS) type approval

  • Oil bath or flow through cooling

PTO Clutch Features

Advantages

  • Reduces fuel consumption and CO2 Emissions by engaging drives and pumps only when required

  • Easier engine starts: Lowers horsepower draw and cranking power required during machine start-up by disconnecting the hydraulic system from the engine

  • Reduces ambient noise through intermittent use of pumps and equipment

  • Cooler running hydraulic systems: Heat is generated whenever oil dumps from high to low pressure without producing work. Disconnecting the PTO Clutch reduces the destructive effects of heat – lowering maintenance costs and hydraulic oil requirements

  • Extends the life of drive systems and components

 


 

Power Take-off (PTO) Clutch Mounting Options


Pump Mount Solution for Low Torsion Applications

Pump Mount Solution for Low Torsion Applications 

For front of engine PTO applications that are rigidly mounted, properly aligned, display relatively low torsional vibration, and are engaged a majority of the time.

  • Economical solution
  • Short installation length
  • Rigidly mounted engines only
  • For engines with low torsional vibration
  • Best for use in applications that run with clutch principally engaged
  • For use with applications with low operational misalignment

 

Cardan Shaft Solution for Low Torsion Applications

 

 

Cardan Shaft Solution for Low Torsion Applications

For front of engine PTO applications where the output desired is a drive shaft. Engines must be rigidly mounted, properly aligned, display relatively low torsional vibration, and are engaged a majority of the time.

  • Economical solution
  • Rigidly mounted engines only
  • Used with engines with low torsional vibration
  • Used in applications that run with clutch principally engaged
  • For use with applications with low operational misalignment

 

Universal Front of Engine PTO™

 

Universal Front of Engine PTO!22

Logan Universal Front of Engine PTO’s incorporate an integral  flexible coupling, clutch cardan shaft and bracket arrangement, and are specified when an engineered bracket design is not practical or required for the application. Works with most new and legacy engines and can be installed with fewer alignment procedures. 

  • Resiliant or rigid mounted engines
  • Simple installation procedure
  • For installations that require maximum torsional vibration protection
  • Used in applications that run with clutch engaged or disengaged
  • For use with applications with moderate to high operational misalignment

On-Demand Power for Hydraulic Pumps – Right from your Engine Powered Genset

On-Demand Power for Hydraulic Pumps  13 Right from your Engine Powered Genset

Logan FlexaDrives and Front of Engine PTO Clutches offer on-demand power for diesel genset powered, multiple pump drive systems.

Reduces fuel consumption and CO2 emissions by engaging drives and pumps only when required

Reduced ambient noise through intermittent use of pumps and equipment – ideal for workboats and Yachts

Extends life of drive system and components

On-Demand Power for Hydraulic Pumps  13 Right from your Engine Powered Genset

 

On-Demand Power for Hydraulic Pumps  13 Right from your Engine Powered Genset

Logan System Advantages:

  • Reduces fuel consumption and CO2 emissions by engaging drives and pumps only when required

  • Better engine starts: Reduces horsepower draw and cranking power required during machine start-up by disconnecting the hydraulic system from the engine

  • Reduced ambient noise through intermittent use of pumps and equipment

 

  • Cooler running hydraulic systems: Heat is generated whenever oil dumps from high to low pressure without producing work.
  • Disconnecting the PTO Clutch reduces the destructive effects of heat – lowering maintenance costs and hydraulic oil service requirements
  • Extends the life of drive systems and components
  • Standard PTO clutches available in B, B-B, C, C-C, and other popular sizes
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