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Construction Equipment Diesel Technician

Interstate Companies, Inc.
Carol Stream, United Statesfull_timeVerifiedPosted 14 Jul 2026
💰 $70,000/yr

About the role

Construction Equipment Diesel Technician

Location: Carol Stream, IL
Company: Interstate Power Systems
Pay Range: $35.00–$50.00/hour (DOE)

Position Overview

Interstate Power Systems is seeking a skilled Construction Equipment Diesel Technician with experience diagnosing, repairing, and maintaining heavy construction equipment and off-road machinery. This position is ideal for technicians with strong expertise in diesel engines, hydraulic systems, electrical systems, and mobile equipment diagnostics.

The successful candidate will work on a variety of construction and heavy equipment including excavators, wheel loaders, skid steers, dozers, telehandlers, cranes, and other hydraulic-powered machinery. This role combines shop and field service work to support customers in the construction, aggregate, road building, utility, and industrial industries.

If you enjoy troubleshooting complex hydraulic systems, rebuilding components, and keeping critical equipment operating at peak performance, we'd like to hear from you.

Key Responsibilities

Diagnostics & Repair

  • Diagnose and repair diesel-powered construction and heavy equipment.
  • Troubleshoot engine, transmission, drivetrain, hydraulic, electrical, and electronic systems.
  • Utilize diagnostic software, service manuals, and testing equipment to identify equipment failures.
  • Perform component repairs and replacements to minimize downtime and maximize equipment performance.

Hydraulic Systems

  • Diagnose and repair hydraulic pumps, motors, valves, cylinders, hoses, manifolds, and control systems.
  • Troubleshoot hydraulic pressure, flow, and performance issues.
  • Perform hydraulic cylinder rebuilds and hose fabrication as needed.
  • Test and verify hydraulic system operation following repairs.
  • Repair and maintain hydrostatic drive systems and hydraulic attachments.

Diesel Engine & Powertrain

  • Perform repairs and overhauls on diesel engines used in construction equipment.
  • Diagnose fuel systems, emissions systems, cooling systems, and turbochargers.
  • Repair transmissions, differentials, final drives, and undercarriage components.
  • Perform engine performance troubleshooting and repairs.

Electrical & Controls

  • Troubleshoot electrical systems, wiring harnesses, sensors, controllers, and CAN bus systems.
  • Diagnose issues affecting machine operation, safety systems, and operator controls.
  • Repair and replace electrical components as required.

Preventative Maintenance

  • Perform scheduled inspections and preventative maintenance services.
  • Conduct fluid analysis, filter replacement, lubrication services, and component inspections.
  • Identify potential failures before they result in equipment downtime.
  • Ensure equipment remains safe, reliable, and operating at peak efficiency.

Field Service

  • Respond to customer job sites to diagnose and repair equipment in the field.
  • Perform emergency breakdown repairs and maintenance services.

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Company

Interstate Companies, Inc.

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