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Correct Ant-Freeze for AEC, Cummins C & Iveco engines

We currently have three Routemasters on-site with the following engines: RM759 (AEC), RML2271 (Cummins C) & RML2358 (Iveco). RCL2223 which will be arriving as soon as this god-awful weather subsides so I can get up to Aberdeen to drive it down the road also has an AEC. Could anyone advise me if different Anti-Freeze is required for these engines and if so which type?

My bus number (if any): RML2271 (owner), RML2358/RCL2223 (Driver)

Re: Correct Ant-Freeze for AEC, Cummins C & Iveco engines

Graham Laurie
We currently have three Routemasters on-site with the following engines: RM759 (AEC), RML2271 (Cummins C) & RML2358 (Iveco). RCL2223 which will be arriving as soon as this god-awful weather subsides so I can get up to Aberdeen to drive it down the road also has an AEC. Could anyone advise me if different Anti-Freeze is required for these engines and if so which type?


Don't see why it should be much different between engines Graham, it just needs to be effective down to the right temperatures (a winter type to -20c)and a 50-50 mix. You might see different specs but we have been using the same one in all our buses without any adverse effects

My bus number (if any): RMC 1458, RTL 960 and 15 RTs

Re: Correct Ant-Freeze for AEC, Cummins C & Iveco engines

Thanks Brian, I didn't think it would need different Anti-Freeze, but I'm sure you would agree better asking someone like yourself who has a broad knowledge of engines just to be on the safe side. We have Anti-Freeze on the premises so I can get RML2358 topped up before I take it for it's MOT.

My bus number (if any): RML2271 (owner), RML2358/RCL2223 (Driver)