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The differences between tunneling machine operators and foundation drill operators can be seen in a few details. Each job has different responsibilities and duties. It typically takes 1-2 years to become both a tunneling machine operator and a foundation drill operator. Additionally, a foundation drill operator has an average salary of $36,417, which is higher than the $29,347 average annual salary of a tunneling machine operator.
Tunneling machine operators and foundation drill operators have different pay scales, as shown below.
| Tunneling Machine Operator | Foundation Drill Operator | |
| Average salary | $29,347 | $36,417 |
| Salary range | Between $23,000 And $36,000 | Between $12,000 And $102,000 |
| Highest paying City | - | - |
| Highest paying state | - | - |
| Best paying company | - | - |
| Best paying industry | - | - |
There are a few differences between a tunneling machine operator and a foundation drill operator in terms of educational background:
| Tunneling Machine Operator | Foundation Drill Operator | |
| Most common degree | High School Diploma, 63% | High School Diploma, 40% |
| Most common major | General Studies | Mechanical Engineering |
| Most common college | - | - |
Here are the differences between tunneling machine operators' and foundation drill operators' demographics:
| Tunneling Machine Operator | Foundation Drill Operator | |
| Average age | 38 | 38 |
| Gender ratio | Male, 79.1% Female, 20.9% | Male, 95.0% Female, 5.0% |
| Race ratio | Black or African American, 5.4% Unknown, 3.9% Hispanic or Latino, 15.2% Asian, 0.8% White, 74.4% American Indian and Alaska Native, 0.3% | Black or African American, 5.4% Unknown, 3.9% Hispanic or Latino, 15.2% Asian, 0.8% White, 74.4% American Indian and Alaska Native, 0.3% |
| LGBT Percentage | 3% | 3% |