Mobile Heavy Equipment Mechanics Salary

Bureau of Labor Statistics title: Mobile Heavy Equipment Mechanics, Except Engines

The median mobile heavy equipment mechanics salary in the United States is $65,510 per year ($31.50/hour). Salaries range from $46,820 at the entry level to $94,460+ for the top 10% of earners. There are 176,600 mobile heavy equipment mechanics jobs nationwide. Employment is projected to grow 5.8% through 2034.

Last updated: June 2026 Β· Source: U.S. Bureau of Labor Statistics

Median Salary
$65,510
per year
Hourly Rate
$31.50
per hour
Employment
176,600
jobs in the U.S.

Salary Distribution

10th percentile
$46,820
25th percentile
$56,970
Median
$65,510
75th percentile
$79,270
90th percentile
$94,460

Job Growth (2024-2034)

+5.8%
Faster than average

Annual Openings

16,500
jobs/year (growth + replacements)

Education Required

High school diploma or equivalent

Training Needed

Long-term on-the-job training

Mobile Heavy Equipment Mechanics Career Guide

Interview questions, resume templates, and a career ladder written specifically for mobile heavy equipment mechanicss.

Mobile heavy equipment mechanics diagnose, service, and rebuild the drivetrains, hydraulics, undercarriages, and electronic controls on construction, mining, agricultural, and forestry machines β€” bulldozers, excavators, loaders, motor graders, dump trucks, harvesters, planters, cranes. The role covers everything past the engine (engine specialists sit in a separate SOC code). Primary employers are OEM dealers β€” Caterpillar dealers (Holt Cat in Texas, Ziegler Cat in Minnesota, Cashman Equipment in Nevada), Deere dealers (RDO Equipment, PapΓ© Machinery, John Deere Iron), Komatsu dealers (Modern Machinery), Volvo CE, CNH (Case + New Holland) dealers β€” plus mining fleets (Freeport-McMoRan, Rio Tinto), construction contractors (Kiewit, Granite, Turner), rental houses (United Rentals, Sunbelt, Herc), and government (state DOTs, city public works). Compensation follows dealer certification and specialty: entry apprentice $38-46k; established field tech $58-68k; senior road-service or mine-site master tech clears $85-105k with overtime and mine differentials. Median $65,510; 10th percentile $46,820; 90th percentile $94,460. Employment 176,600. The 90th percentile is anchored by dealer master techs (Cat MET Tech, Deere Technician Development) with 10+ years and mine-site mechanics running 60-hour weeks on 15-minute callouts.

Core Skills Hiring Managers Screen For

Hydraulic systems diagnosis (Cat, Bosch Rexroth, Parker, Eaton)
80% of downtime on modern heavy equipment traces to hydraulics β€” pumps, valves, cylinders, control blocks. Fluent with flow meters, pressure gauges, load-sense circuits, load-holding checks, and system schematics. Reads OEM hydraulic schematics (Cat DEIS, Deere Service ADVISOR) fluently.
Undercarriage inspection & repair (crawler machines)
Track chains, rollers, idlers, sprockets, track shoes. Measure wear with UT (ultrasonic) gauges and depth micrometers; predict remaining life and quote rebuild vs replace. A track group on a D9 costs $60-100k β€” undercarriage math is the biggest single ticket in dealer parts revenue.
Electronic diagnostics (Cat ET, Deere SA, Komatsu KOMTRAX, Volvo Tech Tool)
Modern machines run 6-14 ECMs on CAN bus. Fluency with the OEM diagnostic laptop tool, wiring schematics, and telematics data (JDLink, VisionLink, KOMTRAX, CareTrack) separates a real tech from a wrench-turner. Fault-code chasing without the schematic wastes days.
Welding (SMAW, GMAW/MIG, FCAW, brazing)
Broken buckets, cracked booms, worn cutting edges, replacement wear plates. AWS D1.1 structural welding for anything load-bearing. Aluminum welding for lighter attachments. Field welding on-site is where mine-site and road-service techs earn premium pay.
Powertrain & drivetrain (transmissions, differentials, final drives, planetary)
Powershift and torque-converter transmissions, articulated dump truck powertrains, planetary final drives. Rebuild them in the shop with $30-80k in specialty tools per model line. Field techs pull-and-swap; shop techs rebuild.
Mobile road-service discipline
80% of dealer service revenue is field service β€” driving a truck-mounted crane to a job site, diagnosing in the field, quoting hours, executing the fix. Requires a Class B CDL (some dealers require Class A), fuel-tank inspection cert, crane operator cert.
OEM dealer certification (Cat MET Tech, Deere Technician Development, Komatsu / Volvo equivalents)
Multi-year, multi-level structured programs that gate access to warranty work and factory promotion. Cat MET Tech has 6 tiers; Deere has 3 levels. Reaching Master / Level 3 typically adds $6-15/hr over general mechanic pay.
OSHA / MSHA compliance + LOTO
Mine-site work is MSHA-regulated (Mine Safety and Health Administration) β€” different from OSHA. Lock-out/tag-out procedures on stored hydraulic energy, suspended loads, and articulated joints. Wrong LOTO on an articulated dump truck kills mechanics every year.

How to Become a Mobile Heavy Equipment Mechanics

  1. 1
    Complete a diesel / heavy equipment tech program (2-year AAS) OR a Cat / Deere dealer apprenticeship
    Community college diesel tech programs ($8-25k, 18-24 months) or Cat ThinkBIG / Deere Ag Tech / Komatsu ATP dealer-sponsored programs (mostly employer-paid, 2 years, employment commitment). Dealer-sponsored is faster to full pay because you finish already-certified on that brand.
  2. 2
    Get a Class B CDL (Class A preferred for field service with a service truck)
    $3-6k private school; dealer will often pay if you commit. Add air-brake, tanker, and hazmat endorsements. Some dealers require Class A for the service truck + trailer combos.
  3. 3
    Start as an apprentice / shop tech at an OEM dealer, mine fleet, or major contractor
    $18-24/hr apprentice; $22-28/hr entry-certified tech ($46-58k). First 2-3 years are shop-only β€” you learn the machines under a senior tech's mentorship. Field service comes after.
  4. 4
    Progress through the OEM certification ladder (Cat MET Tech Levels 1-6, Deere TD Levels 1-3, Komatsu ATP)
    $28-38/hr established tech, $38-50/hr master tech ($75-105k with OT). Each level unlocks warranty work, more complex diagnostics, and a $2-6/hr pay bump. Dealer-paid training + tool allowance make the ROI clear.
  5. 5
    Advance to field service, mine site, road-service supervisor, service manager, or specialty (crane, undercarriage, drivetrain)
    $85-125k senior field tech / master with OT; $95-140k service manager or shop foreman. Some techs stay on tools their whole career at the top of scale β€” the shop-foreman fork isn't for everyone.

Career Progression

Apprentice / Shop Tech (0-2 yrs)
0-2 yrs$38-48k ($18-23/hr) + OT
  • β€’PM services (oil, filters, greases, sample kits) under supervision
  • β€’Basic diagnostics, simple hydraulic repairs, cylinder reseal
  • β€’Undercarriage inspection with senior tech oversight
  • β€’Cat MET Tech Level 1-2 or Deere TD Level 1 certification
Next: Field tech at 2-3 years once base competencies and a specialty specialty are cleared.
Field / Established Tech (2-6 yrs)
2-6 yrs$58-72k ($27-34/hr) + OT + on-call pay
  • β€’Own a service truck; respond to breakdown calls at job sites
  • β€’Diagnose in the field, quote repair hours, execute the fix
  • β€’Complete complex hydraulic and electrical diagnostics with laptop tools
  • β€’Cat MET Tech Level 3-4 or Deere TD Level 2 certification
Next: Master tech / senior field at 5-8 years with a specialty (drivetrain, hydraulic, mine).
Master Tech / Senior Field Tech / Mine Site (6-15 yrs)
6-15 yrs$78-105k ($36-48/hr) + OT + mine differential + call-out pay
  • β€’Handle the hardest diagnostics; mentor apprentices and field techs
  • β€’Warranty-certified on the full product line for that OEM
  • β€’Mine-site techs work 4-on/3-off or 14-on/14-off rotations with premium pay
  • β€’Cat MET Tech Level 5-6 or Deere TD Level 3 (master) certification
Next: Service supervisor, shop foreman, or continue as top-scale IC master tech.
Service Supervisor / Shop Foreman / Product Support Rep (10+ yrs)
10+ yrs$90-140k salaried + bonus + benefits + company vehicle
  • β€’Manage 6-20 techs across shop and field
  • β€’Own service KPIs β€” labor efficiency, warranty recovery, callback rate
  • β€’Interface with major customers on repair estimates, warranty disputes
  • β€’Product Support Reps travel a territory and support the dealer network
Next: Service Manager β†’ Service Director β†’ Corporate technical training or dealer principal.

Interview Questions & Answers

5 free questions below. Career Kit unlocks 18 total plus resume bullets for every level.

Q1. Walk me through diagnosing a hydraulic pump that's dropping pressure.technical
Structure it as a repeatable diagnostic tree. (1) Confirm the symptom β€” what circuit is dropping? Boom? Bucket? Swing? Track drive? What are the operator's exact observations? (2) Check the easy stuff first β€” fluid level, filter differential, fluid contamination sample if it's overdue. Sample-analysis reports (Cat SOS, Deere Fluid Analysis) will tell you if there's metal in the oil. (3) Verify at the source β€” install a pressure gauge on the main pump test port, read at low idle, high idle, and under load. Compare against the OEM spec (Cat DEIS, Deere Technical Manual). (4) If pressure is low, isolate β€” is it the pump, the relief valve, the load-sense circuit, or a downstream leak? Deadhead the circuit to check pump capacity. (5) Flow-meter the pump if suspected β€” pump flow drops before pressure drops. (6) Root cause: worn pump (metal in sample, low flow), stuck relief (holding pressure below setting), or downstream leak (pressure normal at pump, low at cylinder). Interviewers want the systematic tree, not 'I'd swap the pump and see.' Guessing on a $12k hydraulic pump is career-limiting.
Q2. You're at a job site, the machine is down, and the customer says he needs it running in 3 hours or he loses a $40k concrete pour. What do you do?situational
Diagnose fast, communicate faster, and never over-promise. (1) Get the fault codes off the ECM with the laptop tool before you touch anything mechanical. (2) Do the 10-minute check β€” obvious hydraulic leak, disconnected sensor, blown fuse, tripped breaker. (3) Call the customer within 30 minutes with a real assessment β€” either 'I can fix this in your window' or 'this is a 12-hour job, here's your options.' Options: bring in a rental (dealer can dispatch), execute the fix if parts are on my truck, or send the machine to the shop. (4) If it's a 3-hour fix, execute; if it's not, do NOT half-fix to try to save the pour β€” a limp-home fix that fails mid-pour is worse. (5) Document everything β€” labor hours, parts, customer conversation, decision points. The failure mode is trying to please the customer by promising something you can't deliver.
Q3. Tell me about the hardest diagnosis you've done.behavioral
STAR. Situation: name a specific machine (say, a Cat 336F excavator, intermittent boom-down drift, worse when hot). Task: diagnose without swapping expensive parts. Action: pulled the ECM history in Cat ET, ran a load-holding test at cold and hot, isolated to the boom cylinder pilot check valve, pressure-checked the valve on the bench, confirmed a heat-related crack in the poppet seat. Result: replaced a $340 valve instead of a $6,800 cylinder rebuild, customer back in production in 6 hours, dealer margin protected. Interviewers want to hear a specific machine model, a specific fault, a specific diagnostic step, and a specific dollar outcome β€” not 'this really tough hydraulic problem.'
Q4. Why heavy equipment mechanic and not auto tech, aircraft mechanic, or industrial maintenance?culture
The honest answer that resonates: you like the size and complexity of the machines, the field-service variety (never the same problem twice), and the dealer certification ladder that rewards depth. Say you looked at auto β€” flat-rate treadmill, low-margin β€” and it didn't fit; you looked at aircraft β€” great pay, but hangar-bound with less variety β€” and heavy equipment gives you both the depth and the on-site variety. Naming a specific OEM certification you're building toward (Cat MET Tech Level 5, Deere Master, Komatsu ATP) signals you understand the career, not that you're taking whatever wrench-turning job comes along.
Q5. How do you handle a repair estimate that ends up being wrong β€” you quoted 12 hours and it's now 22?situational
Communicate early. As soon as you hit hour 10 and know you're going over, call the customer and the service writer with a revised estimate. Explain what you found β€” 'the pilot control valve was seized, which wasn't visible until we pulled the swing motor.' Give the customer three options: continue at the revised number, stop and put the machine back together (partial invoice), or pull the machine to the shop for a full teardown. Never blow past the estimate without a call β€” customers accept overruns when communicated; they refuse to pay when surprised. Interviewers screen for candidates who protect the customer relationship even when the estimate is wrong.

Resume Template β€” Field / Established Tech (2-6 yrs)

Copy these bullets into your resume as a starting point. Career Kit includes bullets for every level of the ladder.

Field / Established Tech (2-6 yrs)
  • β–ΈField service technician on Cat 320-390 excavator, D6-D8 dozer, and 966-980 loader lines at [dealer name]; 40% of my labor was field service on customer job sites.
  • β–ΈCat MET Tech Level 4 certified; hydraulic, undercarriage, and drivetrain warranty-authorized. 92% labor efficiency (billed hours / clock hours) FY24.
  • β–ΈDiagnosed and repaired a $28k hydraulic pump issue on a mine-site 785C haul truck by isolating to a $340 pilot check valve, saving the customer a full rebuild.
  • β–Έ$74k gross ($30/hr base + $4/hr master differential + OT + $2k tool allowance). Class A CDL, MSHA Part 46 current.

What Gets You Rejected

  • βœ—No OEM certification progression β€” a general mechanic with 5+ years and no Cat MET Tech, Deere TD, or Komatsu ATP progression is either not in the dealer channel or not moving up.
  • βœ—Cannot describe the difference between a load-sense and open-center hydraulic system β€” signals surface-level mechanic, not real diagnostic depth.
  • βœ—Personal tool inventory too small β€” a real field tech has $15-45k in tools accumulated. An interviewee with a small tool box is either brand-new or not staying in the field.
  • βœ—History of comebacks / callbacks on prior repairs β€” dealer service KPIs track callback rate closely; a high number ends promotion paths.
  • βœ—No welding capability β€” SMAW/MIG/FCAW basics are table stakes for any real field tech. Broken buckets and cracked booms don't fix themselves.
  • βœ—Cannot pass DOT physical or MSHA / OSHA medical β€” hearing, vision, cardiovascular, drug screen. Any of these fails is career-limiting.
  • βœ—Poor documentation habits β€” labor hour logs, warranty claims, and parts usage tracking are how techs get paid. Sloppy write-ups get warranty disallowed.
  • βœ—Discipline history at OEM dealer for warranty fraud, comeback fraud, or unrecorded parts β€” dealer channel is a small community and this follows you.

Salary Negotiation Levers

  • βœ“OEM certification level β€” Cat MET Tech Level 5-6 (Master) commands $6-15/hr over MET Tech Level 2. Same at Deere and Komatsu. Every level bump is worth negotiating on entry.
  • βœ“Field service vs shop premium β€” field techs earn $3-8/hr more than shop techs at most dealers. Ask for the field seat if you have the truck, tools, and CDL.
  • βœ“Tool allowance β€” dealers pay $1,500-4,000/year in tool allowance to established techs; some pay a signing tool allowance up to $10k for a certified field tech.
  • βœ“Mine-site premium β€” mine mechanics earn $6-15/hr over dealer field techs, plus per-diem and rotation pay ($1,200-2,500/week per-diem on 14/14 rotations). Freeport-McMoRan, Rio Tinto, Newmont openings are premium.
  • βœ“Sign-on bonuses β€” Cat, Deere, and Komatsu dealers pay $5-20k sign-ons for certified techs with 5+ years and warranty authority. Higher for master techs in tight metros.
  • βœ“On-call pay β€” some dealers pay $150-300 flat on-call pay per weekend plus 1.5x for the call-out. Confirm this before signing.
  • βœ“OEM-paid ongoing training β€” Cat, Deere, Komatsu all cover ongoing certification training. Confirm both the tuition and the wages during training (some are 100% paid, some at reduced rate).
  • βœ“Relocation for hard-to-fill dealer territories β€” remote branches (rural Montana, North Dakota oil patch, Alaska mining) pay 15-25% premium plus relocation.

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Mobile Heavy Equipment Mechanics Salary by State

Best Cities (cost-adjusted) β†’

Salary Map β€” Click a state for details

$57K
$83Kβ–  No data

Top Paying States

Alaska
$83K
+26%
Nevada
$80K
+22%
Minnesota
$79K
+21%
Hawaii
$79K
+21%
Washington
$79K
+20%
California
$79K
+20%
Connecticut
$78K
+19%
New Jersey
$78K
+19%
Massachusetts
$76K
+16%
North Dakota
$76K
+16%
Vertical line = national median. Click a state for full details.
StateMedianvs. National
Alaska$82,670+26.2%
Nevada$79,860+21.9%
Minnesota$79,370+21.2%
Hawaii$79,170+20.9%
Washington$78,620+20.0%
California$78,550+19.9%
Connecticut$78,190+19.4%
New Jersey$78,180+19.3%
Massachusetts$76,070+16.1%
North Dakota$76,030+16.1%
1–10 of 51

Mobile Heavy Equipment Mechanics Salary by Metro Area

Metro AreaMedianvs. National
Fairbanks-College, AK$104,000+58.8%
San Jose-Sunnyvale-Santa Clara, CA$95,980+46.5%
San Francisco-Oakland-Fremont, CA$95,410+45.6%
Kokomo, IN$90,040+37.4%
Bremerton-Silverdale-Port Orchard, WA$85,300+30.2%
Springfield, IL$83,990+28.2%
Bridgeport-Stamford-Danbury, CT$82,510+26.0%
Longview-Kelso, WA$82,340+25.7%
Mankato, MN$81,990+25.2%
Minneapolis-St. Paul-Bloomington, MN-WI$81,290+24.1%
1–10 of 364
Data Source: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS). Data reflects the most recent annual survey.
How does this compare to pro athletes?
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View Mobile Heavy Equipment Mechanics salary trend (2011–2024) β†’