TEST: Hartland “Mack” switcher loco.
Loco has a double gear motor shaft and a gear on each axle. Both sides were cleaned of any prior lube. One side was given Mobil One grease, the other the LGB white tube grease. The loco gear box was reassembled and tested for 3 minutes at 14 volts – running rapidly.
This test was conducted three times following the same sequence.
RESULTS:
Both gear sets showed no loss of lubrication visually. However, the LGB grease now had the appearance of heavy oil – in all of the 3 minute run tests. This is not to claim the motor and axle gears were not covered; they were well saturatedwith the LGB product. The same for the Mobil One side of the motor and axle gear – both were substantially covered also.
CONCLUSION:
I could find no difference in the outcome using the Mack’s gear sets. I removed with a Q tip the remaining grease after each test before new applications. Still no visually identifiable differences in quantity.
More tests are certainly welcome. Please report any you make.
The key is obvious: Cost and obtainability. Clearly both the grease and oil are readily available in any auto parts stores at a substantial cost difference.
I hope this helpful.
Wendell