A contractor is using a D8R Crawler Tractor for land clearing application (medium fuel consumption). Minimal ripping
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A contractor is using a D8R Crawler Tractor for land clearing application (medium fuel consumption). Minimal ripping will be required to loosen material. It will be operating on Non-penetrable hard surfaces with 150 mm (6") or higher bumps, slightly or intermittently damp soils containing a low proportion of hard, angular or sharp particles?with the following information.
- Initial Cost with the delivery cost: $105,000
- Expected life: 8 years
- Expected usage (hours/year): 900 hrs.
- Salvage value: $35,000
- Interest rate is 5%
- Insurance is 1%
- Taxes are 2%
- Fuel cost is $2.4/gal
- Lube oils, fillers and grease service is expected every 100 hours and cost $370/service
- Z factor= 0.7 (between moderate and high)
- The repair cost is $8.50/hour
- Special wear items: Set of teeth for $1,000 which will have to be replaced every 520 hrs
- Operator?s hourly wage is $65/hour
Please calculate the average hourly fuel consumption based on the following table.
Select one:
a. 7.25
b. 9.05
c. 9.75
d. 12.25
Related Book For
A Survey of Mathematics with Applications
ISBN: 978-0134112107
10th edition
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
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