DOA DHW501 Hydraulic Impact Wrench

The DOA DHW501 Hydraulic Impact Wrench is a heavy-duty industrial hydraulic impact wrench designed for demanding bolting applications in construction, mining, oil and gas, railroad maintenance, heavy equipment repair, shipbuilding, marine work, infrastructure maintenance, and industrial service environments. Built for professionals who need dependable high-torque performance, the DHW501 delivers powerful fastening and loosening capability in applications where pneumatic, electric, or battery-powered impact wrenches may not be practical.

With an adjustable torque output up to 5,000 Nm / 3,688 ft-lbs, the DOA DHW501 is engineered to handle large fasteners, seized bolts, corroded hardware, structural connections, and heavy mechanical maintenance. Its hydraulic power source provides consistent torque, excellent durability, and continuous-duty performance for tough jobsite conditions.

Heavy-Duty Hydraulic Impact Wrench for Industrial Bolting

The DOA DHW501 is ideal for applications that require a powerful 1 inch drive hydraulic impact wrench. It is suitable for bolts ranging from M18 to M36, making it an excellent choice for large-scale fastening and maintenance work. The tool features forward and reverse rotation, adjustable torque control, and a rugged impact mechanism designed to perform under heavy load.

Unlike air-powered impact wrenches that require large compressors or cordless impact wrenches limited by battery capacity, the DHW501 connects to a compatible hydraulic power unit for dependable performance in remote, wet, cold, dirty, or high-demand environments.

Key Features of the DOA DHW501 Impact Wrench

• Maximum torque up to 5,000 Nm / 3,688 ft-lbs
• 1 inch square drive for large industrial impact sockets
• Designed for M18 to M36 bolts
• Adjustable torque for controlled fastening and loosening
• Forward and reverse rotation control
• Heavy-duty hydraulic motor for continuous industrial use
• 3-jaw hammer impact mechanism for strong, reliable impact performance
• Ergonomic Ergal aluminum handle for reduced weight and durability
• Mechanical trigger with integrated safety lever
• Motor cover designed for improved heat dissipation
• Available in standard and underwater configurations

Built for Harsh Jobsite Conditions

The DOA DHW501 hydraulic impact wrench is built for demanding field use. Its durable construction makes it well suited for heavy equipment maintenance, bridge construction, plant shutdowns, marine construction, offshore service, subsea work, and other industrial environments where tool failure can create costly downtime.

The hydraulic design allows the DHW501 to maintain strong and consistent power without relying on compressed air or batteries. This makes it especially useful for mobile crews, remote work sites, underwater contractors, and industrial maintenance teams that need reliable torque output throughout the workday.

Applications

• Heavy equipment repair and maintenance
• Mining equipment service
• Oil and gas facilities
• Offshore platforms and marine construction
• Shipbuilding and ship repair
• Railroad maintenance
• Bridge and infrastructure work
• Steel erection and structural bolting
• Industrial plant maintenance
• Power generation facilities
• Commercial diving and underwater maintenance

DOA DHW501 Specifications

Why Choose the DOA DHW501 Hydraulic Impact Wrench?

The DOA DHW501 is an excellent choice for professionals who need a reliable, high-torque hydraulic impact wrench for large bolts and heavy-duty industrial fastening. Its combination of torque, durability, hydraulic efficiency, operator control, and rugged construction makes it a strong solution for contractors, rental fleets, maintenance crews, marine operators, and subsea service teams.

For users searching for a DOA hydraulic impact wrench, 1 inch hydraulic impact wrench, heavy-duty hydraulic impact gun, underwater hydraulic impact wrench, or industrial hydraulic bolting tool, the DOA DHW501 provides the performance and reliability required for demanding professional applications.