sentences:  In September 1938 Standard railcar RM 30 covered the 321 km between Napier and Wellington in 4 hours and 36 minutes running time.In 1967 RM 30 took a group of railway enthusiasts from Auckland to Wellington in 9 hours and 26 minutes (running time 8 hours and 42 minutes).The Wairarapa railcars hold the fastest speeds for operations over the Rimutaka Incline.