Get some of those cheap movers dollys from harbor freight...look here..............................
http://www.harborfreight.com/1000-lb-capacity-movers-dolly-38970.html
then set your engine on it using wood blocks to level, and strap it down with 2 cheap ratchet straps. works great...I have several of them, including a complete 440 with a 727 sitting on one with no probs. They handle 1000 pounds, sit low, and roll around well.