self-dumping
self-elevating
self-erecting
self-feeder
self-ignition
self-locking
self-lubricating
self-mobilizing
self-opening
self-orienting
  self-packing
self-potential
self-powered
self-priming
self-propelled
self-purging
self-reacting
self-regulating
self-releasing
self-sealing
self-seizing