The second Volgren Optimus in the fleet, 62 (7084AO) was delivered in late 2014 with 61. Two more followed in 2015 and escaped PTV orange livery which subsequent deliveries have had to carry. The bus, a K310UB, is seen - on layover, of course - at Frankston Station on Christmas Day 2016.
Picture ref B5169
One of the 2015 pair, 63 (BS01VF), is seen in May 2017 having just crossed the tracks at Dandenong.
Picture ref B6199
Delivered in 2017, another K310UB is 73 (BS02OL) seen in the PTV livery in December 2018 in Dandenong.
Picture ref C2520
Sister delivery, part of a trio that arrived in March 2017, 72 (BS02OK) is seen at Dandenong Station in May that year.
Picture ref B6223