R852 PRG 31 Jan 2016, 5:09 pm #179 R852 PRG R852 PRG R852 PRG Website Posts: 4739 Threads: 21 Joined: Feb 2014 Reputation: 1 RE: R852 PRG's Reviews (31 Jan 2016, 5:06 pm)Dan wrote ZF4HP592 4-speed automatic - Marcus will be gettin' a reet sweat on! Good old ZF gearbox... Heavy duty and does the job. Not a fan of the whingey Voith in comparison. bazmaba Reply