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Western SMT
5th February 2009, 14:21
Going back a great many years and from what little memory I have recollects there was a story of a new type of bus engine with non-removable cylinder heads.
Any ideas?
dmackay
5th February 2009, 17:13
Going back a great many years and from what little memory I have recollects there was a story of a new type of bus engine with non-removable cylinder heads.
Any ideas?

Did'nt the Leyland Buffalo have an engine like that at one time? :confused:
Western SMT
5th February 2009, 18:41
Leyland Buffalo did the trick and not losing the marbles just yet as I did wonder about this one, seems it was called the 500 fixed head engine so thanks to dmackay for that.

http://www.roadtransport.com/blogs/big-lorry-blog/2007/07/its-that-leyland-buffalo-momen.html
G-CPTN
5th February 2009, 19:28
So they took a bunch of engines into the test lab and tried to get them to mis-behave. Only to everyone's amazement they all ran perfectly. It wasn't until later that Graham realised that the engines they'd been given were effectively 'blue-printed'. When they checked the tolerance on the production engines they were all over the place--hence their appalling durability.
Enough said!
Western SMT
5th February 2009, 21:17
Not much found for this fixed head engine -

The prototype engine for the Leyland Titan was a turbocharged version of the Leyland 500 series, although this was changed to Gardner 6LXB for production after concerns over fuel economy and reliability of the 500 nicknamed the headless wonder.
G-CPTN
5th February 2009, 21:35
Bedford used to offer a Leyland engine before they made their own 466 cu in diesel. Did the 'Big Bedford' (S-type) use this engine?
Western SMT
5th February 2009, 21:50
Originally fitted with a 110bhp 6-cylinder petrol engine.
Diesel option in the form of the Perkins R6 arrived in 1953.
Bedford's own diesel in 1958.
The S-type was discontinued in late 1959.
Western SMT
7th February 2009, 21:10
Video of bus running with the Leyland 500 engine - note comments

http://www.youtube.com/watch?gl=GB&hl=en-GB&v=wemyxvueAuc
Mr-Tomcat
11th February 2009, 19:01
Leyland National had the fixed head 500 engine also.

Andrew.
david1
25th August 2009, 13:44
Hi Im David

Bedford used the 0400 Leyland Engine more commonly found in the Comet and the Albion Chieftain / Clydesdale and as the 410 Turbocharged in the Reiver. To my knowledge, Bedford never used Perkins engines, Leyland however did in the Boxer.

Regards from a newbie
david1
25th August 2009, 13:46
With apologies to Western SMT, I was talking 60s and 70s

David