Enerpacs durable yet simple double acting design changed the bolt torqueing industry. The W series low profile tool operates on a 360 degree swivel. Able to fit in tight spaces, it is the tool of choice for many in the bolt torqueing industry.

S-Series, Square Drive Hydraulic Torque Wrenches

  • Enerpac torque wrenches were designed using state-of-the art CAD techniques to bring you the most advanced square drive hydraulic torque wrench on the market.
  • Rigid steel design guarantees durability, reliability and safety.
  • Push button square drive release for quickly reversing the square drive for tightening or loosening
  • Fine tooth ratchet prevents tool “lock-on”
  • 360 degree swivel manifold with screw lock couplers
  • Optional Allen key drives 14-85 mm, 1/2 – 2 1/4 inch
  • Fast operation due to the large nut rotation per wrench cycle (35 degree) and rapid return stroke
  • Constant torque output provides high accuracy (± 3%) across the full stroke
  • Includes handle to improve tool handling and safety
  • Tested and certified according to ATEX


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Be aware that the operator is fully responsible during the operation of this tool. Enerpac is not responsible for damage or injury caused by misuse of this tool. Under some circumstances additional safety requirements may be required. Contact Enerpac immediately if a potentially hazardous situation arises. Read this manual carefully and observe all safety precautions. – Make sure you have completed a safety induction training, specific to the work surroundings. The operator should be thoroughly familiar with the controls and the proper use of the tool. – The operator must be at least 18 years of age. – Always wear protective headwear, ear protectors, footwear and gloves (at a minimum rigger type gloves) suitable for safe operation of the tool. The protective clothing must not interfere with safe operation of the tool or restrict the ability to communicate with co-workers. – Make sure your workplace is safe. – Do not place any part of the body between the reaction arm and the reaction point. – Do not place any objects between the reaction arm and the reaction point. Keep the hoses away from the reaction points. – Do not stand in the line of movement of the tool when it is in operation. If the tool separates from the nut or bolt during operation it will detach in that direction. – Tightening and loosening nuts and bolts involves little visible movement. The pressure and loads, however are extreme. Keep your hands away from the fastener being loosened or tightened. – Make sure that the spanner used to keep the nut or bolt on the opposite end is secured. – Always use Enerpac pumps and hoses. – Make sure appropriate guards are always securely in position and free from damage. – Maximum pressure is 690 bar (10,000 psi). Never apply more pressure to any tool or accessory than the maximum allowable pressure. Refer to the technical data tables for maximum pressure setting. – Make sure that the socket size corresponds to the size of the fastener being loosened or tightened. Always make sure that the socket receptacle corresponds to the drive shaft. Failure to do so can result in the tool becoming unstable and can lead to catastrophic failure. – Do not abuse or overstress the hoses in any way. Do not bend the hoses excessively. – Never carry the tool by its hoses. – Always use Enerpac spare parts. – Always position the tool for maximum stability. – Make sure reaction points are adequate for the forces at work during operation of the tool. – Be aware that a nut or bolt that breaks off during operation of the tool will become a high velocity projectile. – Make sure the reaction point is of a suitable shape. For example use an adjacent nut or bolt as a reaction point. – When the hex socket is placed on the nut or bolt a gap may exist between the reaction arm and the reaction plate. When the tool is operated the reaction arm and point will make forceful contact. Always make sure the tool is stable. – Provide adequate support in vertical and inverted applications. – The maximum torque output of the tool must always exceed the torque required to loosen or tighten the nut or bolt. – The torque required to loosen a nut is variable and may exceed the torque capacity of the tool. Therefore never operate the tool at maximum or close to maximum capacity when loosening a nut or bolt. – Never operate the tool with a hydraulic supply connection to the advance side only as this may damage the internal parts. – If the wrench is dropped from a height, have the tool inspected before you operate it again. – In severe conditions the tool must be cleaned and lubricated more frequently. (see section 5.0). – Check that the swivel pin screws (see 5.2.6) and gland nut are tight prior to use. – If oil leakage is evident replace seals accordingly (see section 5.0). – Make sure to minimize torsional and bending stresses in the tool, the ratchet and any accessories. – Do not strike the tool with a hammer while under a full load. This will invalidate the guarantee. – Use of extension pieces or long-reach sockets is not recommended. They increase torsional and bending stresses, and reduce stability of the tool. – Always observe the maintenance instructions.

It is most important that you wear all the manufacturer’s recommended safety equipment, review all safe operation manuals and decals, and observe all safety precautions when utilizing tools and operating equipment.

Operator/User/Renter assumes all responsibility for the use, care, and inspection of Personal Protective Equipment.

For safety inquires or if safety information is not present, please contact Buckhorn Rentals at 985-851-2330.