Because the massive mechanism requires frequent lubrication and attention, public access is often restricted.

Joints with motion usually require lubrication of the O-ring to reduce wear.

Moving parts in rubbing contact require lubrication to avoid excessive wear.

Chamber reamers are typically made of high speed steel and require lubrication during the cutting operation.

The differentials are all sealed units and require minimal additional lubrication.

The 1125R uses a drive belt instead of a chain, which does not require lubrication or adjustment.

In addition, all moving parts that require lubrication should be serviced regularly.

The pivot points are usually bushings, and these will require lubrication.

Furthermore the car required less lubrication than conventional freight cars of the era.

Oil-free operation means less maintenance as this air compressor does not require lubrication to operate.