Marine Industry

Lovejoy flexible couplings and power transmission products address critical operational issues that occur in marine material handling facilities. We provide solutions that are resistant to corrosion, require no lubrication, lower maintenance and downtime costs, and reduce noise levels – all with the level of quality, value, and customer service you expect from Lovejoy.

Download our Marine Industry Flyer

Common Applications:

  • Work Boat Drive Train, Propulsors, Lift Fans, Bow Thrusters
  • Cranes, Hoists, Windlass, Booms, Winches
  • Rail Cars
  • Pumps, Ballast Pumps, Deck Pumps
  • HVAC Systems
  • Fork Lifts
  • Loading and Unloading Conveyors

Lovejoy Products for the Marine Industry:


Torsional Couplings

  • Maintenance-free coupling solutions for any drive train involving diesel power or other sources of torsional excitation
Torsional Couplings

Grid Couplings

  • Horizontal and vertical split cover designs
  • Interchangeable with industry standards up to size 1200
  • Available in 19 sizes with a maximum bore of 13” and a maximum torque of 1,650,000 in-lbs
  • Provides torsional damping
  • Drop-out spacers for pump systems
Grid Coupling

Gear Couplings

  • Bore sizes from 7/16” to 42”
  • Special styles available, including spacer, floating shaft, and stainless steel
  • Interchangeable with industry standards
  • Torque capacity to 47,000,000 in-lbs
  • Vari-Crown® teeth increase coupling wear life
  • Type FLA (labyrinth seal) is interchangeable with the industry standard
  • Type C (continuous sleeve) takes less space, yet features the high torque concentration of other gear couplings
  • High performance gear for extreme high speed applications, offering a reduced moment of inertia
Gear Coupling

Disc Couplings

  • No need for lubrication
  • Ability to inspect without disassembly
  • Torsionally rigid without any backlash
  • No wearing parts
  • High resistance to harsh environments
  • Bore range to 15.25 inches
  • 3,309,000 in-lbs of maximum torque
  • Meets API 610, 671 standards
  • Special styles available such as close coupled, spacer, drop out and adjustable shaft
Disc Coupling

S-Flex Endurance® Couplings

  • Elastomer-in-shear design
  • Torque capacity up to 72,480 in-lbs
  • Maximum bore of 5-1/2”
  • Three sleeve materials provide flexibility in adapting to application requirements
  • Fully interchangeable with industry standards
  • Wide selection of both inch and metric finished bores
S-Flex Couplings

Hydraulic Components

  • Complete product range of couplings, rigid and dampened bell housings for NEMA and IEC motors, aluminum tanks, tank accessories, aluminum reservoirs, and water-oil coolers for both industrial and mobile fluid power markets.
Jaw Couplings

Jaw Type Couplings

  • Industry’s largest variety of stock bore/keyway combinations
Jaw Couplings

Jaw In-Shear 6 Pin Coupling

  • Radially removable Urethane insert fits standard Lovejoy stainless steel, cast iron or aluminum hubs
  • Fast and easy assembly
  • No tools or moving of machinery needed to replace insert
  • 6 pin locking ring made of 347 stainless steel
  • 2° angular misalignment
  • 50D shore urethane material maximum temperature of 200°F
  • Rings and elements available from stock
  • 16 standard sizes with bore sizes up to 9 inches


Jaw In Shear Coupling

RunRight® Motor Bases

  • Maintenance-free tensioning provides constant torque and less energy consumption
  • Design compensates for startup belt load, absorbs load impact during operation while providing stability for proper alignment
  • Increases life of the drive system
  • Greatly simplifies belt changes, reducing costs for labor and downtime
RunRight Motorbase

RunRight Tensioners

  • Self-adjusting / tensioning
  • Extends belt life
  • Easy to install with 360˚ positioning flexibility
  • Eliminates scheduled belt tensioning maintenance
  • Provides proper radial loads on motor output shaft which extends bearing life.
RunRight Tensioners