Suggested Sampling Frequency Guidelines
| UNIT TYPE |
REGULAR USE |
HEAVY USE |
| Diesel Engines |
5,000 to 10,000 miles
or
250 to 500 hours |
2,500 to 5,000 miles
or
125 to 250 hours |
| Gasoline Engine |
2,500 to 5,000 miles
or
125 to 250 hours |
1500 to 2500 miles
or
75 to 125 hours |
| Reciprocating Gas Engines & Compressors |
500 to 750 hours
or
Monthly |
250 to 500 hours
or
Bi-monthly |
| Gas Turbines |
500 to 750 hours
or
Monthly |
250 to 500 hours
or
Bi-monthly |
| Gears, Transmission, Final Drive, Gear, Reductions, etc. |
15,000 to 20,000 miles
or
500 to 750 hours |
7,500 to 15,000 miles
or
250 to 500 hours |
NOTE: The sampling intervals listed above are guidelines. The sample intervals should be tailored to the
applicable business operations. Do not change normal maintenance procedures. Take samples prior to or at
the time of oil change. Together we will work out an oil sampling interval to suit your specific equipment needs.