BEST TIER | ESTER OIL
- Part #: LU E100 GAL (1 Gallon) / LU E100 QT (1 Quart)
- Silver bottle
- Put in new units from the factory (except portables)
- Ester based
- Lower wear
- Higher flashpoint
- No hard varnish deposits
- Lower pour point
- Better to use in cold environments with cold starts
- ISO 100/30 weight air compressor oil
BETTER TIER | SYNTHETIC OIL
- Part #: LU 1082 GAL (1 Gallon) / LU 1082 QT (1 Quart)
- Black bottle
- Synthetic based
- Marginally worse than ester oil
- Leaves some deposits
- Some rotaries use this or Keltec oil
- ISO 100/30 weight air compressor oil
GOOD TIER | MINERAL OIL
- Part #: LU 6006 GAL (1 Gallon) / LU 6006 QT (1 Quart)
- White bottle
- Mineral-based
- Portable units will have this oil
- Higher wear
- Lower flashpoint
- Hard varnish deposits
- Higher pour point
- ISO 100/30 weight air compressor oil