Abram Herrera
Chaparral
Summary
Hardworking and resourceful mechanical professional specializing in repairing heavy duty equipment. Restore functionality by examining all systems and components, identifying problems and completing skilled repairs. Trained in disassembling, repairing and reassembling wide range of equipment and vehicles.
Overview
11
11
years of professional experience
Work History
Technician
Yellowhouse Machinery Co.
Midland
10.2022 - 11.2025
- Performed troubleshooting and repair of equipment in accordance with manufacturer specifications.
- Tested and calibrated instruments to ensure accuracy and reliability of data.
- Maintained records of repairs, calibrations, and tests performed on equipment.
- Diagnosed problems using test equipment such as multimeters, test probes, diagnostic specialty tools. power supplies. Use service advisor software.
- Replaced defective components or parts as needed per customer approval.
- Developed detailed reports documenting test results for analysis.
- Analyzed data collected during testing to determine root cause of failure.
- Troubleshot systems and equipment and ran tests to make effective recommendations.
- Managed quality control and maintained high level of customer satisfaction.
- Work on fuel systems, cooling and lubrications, air and exhaust, after treatments, and engines.
- Removed or repaired, final drives, direct drive transmissions, axles and differentials, gear box, hydraulic cylinders, and hydrostatics system components.
Service Manager
Roper Inc
Odessa
11.2019 - 08.2022
- Restore functionality by examining all systems and components, identifying problems and completing skilled repairs
- Disassembly and repairs of Caterpillar c15, c13, c9.3, c7 acert, c3.8 engines and components.
- Replace or repaired final drives, undercarriage components, cylinder rebuilds, axle assemblies, tandem sprocket chains, frame and cosmetics.
- Oversaw daily schedules and team activities through morning meetings with shop personnel.
- Explained cost and time requirements in detail and requested customer authorization prior to completion of unexpected repairs
- Diagnosed faults with mechanical, hydraulic and electrical systems using sis web manuals and cat ET software.
- Fabricated needed parts using sheet metal, acetylene and oxygen torch, lancing rod, Stick welding.
- Operated and inspected machines and heavy equipment to diagnose defects.
- Tested mechanical products and equipment after repair or assembly to confirm proper performance and compliance with manufacturers' specifications
- Listened to customer requests and specifications, made suggestions to appropriately fulfill needs.
Hydraulic Frac Technician
Propetro
midland
04.2016 - 10.2019
- Documented parts used and labor hours of each job.
- Completed quality repairs and maintenance on heavy truck and diesel engines according to manufacturer- designed procedures
- Managed regular upkeep on vehicles, including tire changes, brake updates and greasing work.
- Investigated problems with engine electronics and diagnosed failures.
- Handled comprehensive preventive maintenance needs on company equipment.
- Adjusted components and tolerances of heavy-duty air brake systems.
- Work on or replace fluid ends, Power ends, Pumps , Caterpillar, Cummins, Detroit Diesel, John Deere engines
- Work with on or all hydraulic components such as hydraulic valves, levers, cylinders, pumps, motors and solenoids.
Construction and Maintenance
Layne Christensen
Chandler
09.2015 - 07.2016
- Operated controls to stabilize machines and align drills.
- Flushed earth cuttings and removed dust with equipment.
- Directed drilling machine operations, selecting settings and inserting casings into holes.
- Selected and attached drill bits and drill rods, adding more rods as hole depths increased and changing drill bits
- Identified and quickly responded to various drilling issues, continuously monitoring operations, checking gauges and listening to equipment
- Supported drilling operations by carefully assembling augers, pipes and other equipment with hand and power tools
- Diagnosed and solved mechanical and electrical system problems.
- Diagnosed faults with mechanical, hydraulic and electrical systems using manual and computer-assisted techniques.
Heavy Equipment Operator
Tube City IMS
Mesa
03.2015 - 09.2015
- Completed written reports promptly for engineers and technical staff to maintain smooth-running operations.
- Operated trucks and equipment with care and safety.
- Inspected equipment for faults, breakages and repair needs before scheduling maintenance activities.
- Communicated and planned heavy machinery operations to avoid safety hazards during work.
- Adjusted and repaired worn equipment parts.
- Pulled and cut materials to clear heavy equipment tracks.
- Prioritized individual and team safety by following guidelines.
- Recommended measures and solutions to improve equipment performance.
Education
Some College (No Degree) - Mechanical Engineering
New Mexico State University
Las Cruces, NMJohn Deere University
Skills
- Resource allocation
- Supply procurement
- Service documentation
- Productivity monitoring
- Regulations compliance
- Equipment inspection
- Engine rebuilding
- Machine diagnostics
- Ability to multitask
- Spanish fluency
- Engineering design support
- Customer relations
- Critical thinking
- Cat ET software, Sis Web
- Diagnostic Link software
- Service advisor software
- Diagnostic and troubleshooting, 12v, 24v, electrical, and hydraulics
- Pnuematic Systems
- Mig and Stick welding
Timeline
Technician
Yellowhouse Machinery Co.
10.2022 - 11.2025
Service Manager
Roper Inc
11.2019 - 08.2022
Hydraulic Frac Technician
Propetro
04.2016 - 10.2019
Construction and Maintenance
Layne Christensen
09.2015 - 07.2016
Heavy Equipment Operator
Tube City IMS
03.2015 - 09.2015
Some College (No Degree) - Mechanical Engineering
New Mexico State University
John Deere University