Engine Rebuild Technician

Interstate PowerSystems; Davenport (IA); On-site; USD 36,000 - 50,000; Full time

Benefits offered by this job

Overtime available

Benefits package

OEM training

Tool purchase program

Stable shop role

Team-oriented culture

Job summary

Interstate Power Systems in Davenport, IA seeks an experienced Engine Rebuild Technician to join our in-shop team. This role specializes in full ground-up rebuilds, in-frame overhauls, and complete engine overhauls on Cummins, Detroit Diesel, and Allison powered equipment.

The position is shop-based, requires precision and attention to detail, and offers overtime potential, comprehensive benefits, and OEM training opportunities.

Qualifications

• Proven experience in diesel engine rebuilding and heavy-duty engine work (Cummins, Detroit Diesel, CAT).
• Reading blueprints, schematics, and using precision measuring tools (micrometers, bore gauges, dial indicators).
• High attention to detail and ability to work in a high-precision environment.
• High school diploma or GED; vocational training in diesel mechanics preferred.
• Valid driver's license with clean record.

Responsibilities

• Perform complete engine rebuilds including disassembly, inspection, parts replacement, reassembly, and testing.
• Execute in-frame and out-of-frame overhauls with emphasis on precision.
• Work on Allison transmissions as needed alongside engine projects.
• Conduct inspections, measurements, and diagnostics to identify wear or damage.
• Follow OEM procedures and manuals to maintain warranty and performance standards.
• Prepare engines/transmissions for dyno testing.
• Maintain a clean, safe work environment and document all work.
• Collaborate with service advisors, parts personnel, and other technicians to ensure workflow.

Skills

Diesel engine rebuilding

Blueprints & schematics reading

Precision measuring tools

Attention to detail

Independent work

Dyno testing (preferred)

Education

High school diploma or GED

Diesel mechanics training

Job description

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Job Title: Engine Rebuild Technician
Location: Davenport, Iowa
Company: Interstate Power Systems
Employment Type: Full-Time
Department: Service / Rebuild Shop

About Interstate Power Systems

Interstate Power Systems is a leading distributor and service provider of high-quality on-highway and off-highway engines, transmissions, and related power solutions. As a factory-authorized service center for brands including Cummins, Detroit Diesel, CAT, Volvo and Allison, we support critical industries such as construction, energy production, and transportation.

Job Summary

We are seeking an experienced Engine Rebuild Technician to join our in-shop team in Davenport, Iowa. This role specializes in full ground-up rebuilds, in-frame overhauls, and complete engine overhauls on Cummins, Detroit, and Allison-powered equipment. The position is primarily shop-based, repetitive in nature, and demands precision, strong mechanical aptitude, and meticulous attention to detail to ensure every rebuild meets factory specifications and delivers long-term reliability.

Key Responsibilities

• Perform complete engine rebuilds, including disassembly, inspection, machining preparation, parts replacement, reassembly, and testing of Cummins, Detroit Diesel, and other heavy-duty engines.
• Execute in-frame overhauls and full out-of-frame overhauls with a focus on precision and quality.
• Work on Allison transmissions and related components as needed in conjunction with engine projects.
• Conduct thorough inspections, measurements, and diagnostics to identify wear, damage, or required repairs.
• Follow detailed service manuals, technical bulletins, and OEM procedures to maintain warranty and performance standards.
• Prepare engines/transmissions for dyno testing.
• Maintain a clean, organized, and safe work environment in the rebuild shop.
• Document all work performed, including parts used, measurements, and test results.
• Collaborate with service advisors, parts personnel, and other technicians to ensure efficient workflow.

Qualifications

• Proven experience in diesel engine rebuilding, with specific expertise in full ground-up rebuilds and in-frame/overhaul work on heavy-duty engines (Cummins, CAT, and/or Detroit Diesel experience strongly preferred).
• Familiarity with Allison transmissions is a plus.
• Strong mechanical aptitude and ability to read blueprints, schematics, and precision measuring tools (micrometers, bore gauges, dial indicators, etc.).
• Excellent attention to detail and commitment to quality workmanship in a repetitive, high-precision environment.
• Ability to work independently with minimal supervision while meeting production timelines.
• Experience with engine dyno testing and performance validation is preferred but not required; training provided as needed.
• High school diploma or GED required; technical/vocational training in diesel mechanics or related field preferred.
• Valid driver's license with a clean driving record.
• Ability to lift heavy components and stand for extended periods.

Preferred Skills

• Prior work in mining, oil & gas, or heavy equipment service environments.
• Certification or training from Cummins, CAT, Detroit Diesel, or Allison (or willingness to obtain).
• Basic computer skills for work order systems and documentation.

What We Offer

• Competitive hourly wage based on experience (with potential for overtime).
• Comprehensive benefits package, including health insurance, retirement plans, and paid time off.
• Opportunities for ongoing training and certification through OEM programs.
• Tool purchase programs and other employee perks.
• Stable, full-time shop role with no regular field travel required.
• Supportive team environment in a growing organization with a strong reputation for quality service.

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

Interstate Companies is an Equal Opportunity Employer, and we encourage all qualified and interested persons to apply for this position by submitting a resume for consideration.