Copyright Ronnie Hoye
The Northern General Transport Company
1964
AEC-Park Royal Routemaster
Park Royal H41/31F
Pictured at the Seaburn Bus Rally, this 1964 Routemaster has been beautifully restored to its original livery and is now part of the North East Bus Preservation Trust Ltd collection; it was one of the second batch to be delivered. I know the two batches differed slightly, but I’m not sure if it was only that the first ones had rear wheel spats. Prior to the Routmasters, the last front engine half cabs to carry the Northern name were the 1958 PD3′s with Orion bodies ‘Sunderland District’s were rear door Burlingham bodies’ before the Routemasters arrived on the scene their were then three or possibly four batches of PDR1 Atlanteans with both MCW and Roe bodies. Northern ran a lot of longer routes alongside United, when they introduced the front entrance Bristol Lodekkas Northern decided it was time to replace the rear door Park Royal bodied PD2′s on these routes with a more modern vehicle, but rather than use Atlanteans they bought the Routemasters specifically for the purpose. I think reliability may have been a factor as the early Atlanteans were ‘A tad temperamental’ Northern specified the Leyland O600 engine and the same gearing as the Green Line RMC’s, as far as I’m aware they gave excellent service and reliability was never a problem. Our depot didn’t have any so I must be one of the few drivers at Percy Main to have driven one on service, I was on the number 1 which ran between Whitley Bay and Lobbly Hill Gateshead, my bus ‘an Atlantean’ broke down at Team Valley and a replacement was sent out from Bensham depot, it turned out to be a Routemaster. I only drove it for a couple of hours but found it a very nice vehicle to drive.
Photograph and Copy contributed by Ronnie Hoye
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13/05/12 – 08:41
…..and I spent many a happy hour driving AEC and Leyland engined ex LT RMs in Reading for Reading Mainline. I now have the occasional charge of a preserved green RML. Still nice to drive but unfortunately, like most RMLs, re-engined.
David Oldfield
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13/05/12 – 18:49
What make was/were the replacement engine(s) and did the conversion entail any gearbox/transmission changes, David? In the back of my mind, Iveco comes to mind.
Chris Hebbron
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14/05/12 – 07:43
There several experiments using Cummins C (Javelin 8.2), Scania (9.2), DAF (?) and IVECO (7) engines. DAF never got beyond the one experimental, the others went into "mass" production. I don’t know the numbers, nor how it was decided to allocate which engines to which (batches of) vehicles.
These vehicles tended to keep their AEC/LT (semi)automatic gear-change. The vehicle I regularly drive – and will be doing so next week in Slough – is a 1966 RML with IVECO engine with original gearbox which still operates in either semi or fully automatic modes.
From the cab it is very obviously a re-engine although, surprisingly, from the saloon it sounds more like a "proper" vehicle. I can only surmise that this is because it still has the original gearbox. It does not, however, have the performance of an AV590 or 0.600 – nor the real sound.
The last refurbishments, however, were also made to comply with "Euro…" regulations and have the Cummins B (5.9) engine and Allison fully automatic gearbox both found on the Dennis Dart. They are therefore cruelly, but aptly, known as "Dartmasters". The latter have also totally changed the character of the cab.
David Oldfield
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14/05/12 – 09:29
Thanks, David, for that interesting background information. It’s also interesting that the original engines performed better than their replacements. Maybe some of it is strapping the engines up with ‘save the world’ technology, understandable, but not conducive to performance or fuel consumption!
Chris Hebbron
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14/05/12 – 14:57
As a P.S. to my comments above. It’s all speculation, but given the reputation for build quality and reliability that the Routemaster built up with Northern, I think it’s safe to assume that if the RML had gone into production AEC would have loaned a couple to Northern for evaluation purposes, then who knows?
Ronnie Hoye
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14/05/12 – 18:30
Ronnie; do you mean RML or FRM? The Northerns were front entrance RMLs (or RMFs in London language). FRM1 was the rear-engined prototype which Leyland knocked on the head because it competed with its own new Atlantean.
There should have been three prototype FRMs – one of the other in Sheffield Transport colours. Alan Townsin said that both Yorkshire Traction and Northern General had already shown an interest in the new model "off the drawing board". Having tested it for "Bus and Coach" in August 1967 he concluded that "…..the general impression was of a vehicle which made everything previous seem out of date, in much the same way as the RT in its day."
David Oldfield
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14/05/12 – 18:46
It’s an age thing David, I did mean the RMF
Ronnie Hoye
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15/05/12 – 07:34
It’s an age thing for most of us who use this site! What day is it nurse?
David Oldfield
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15/05/12 – 07:36
I wish I’d been issued with fingers instead of thumbs, FRM, the one that Leyland couldn’t wait to kill off, in much the same way that they did with the Fleetline, as the Americans say ‘if you can’t beat them, buy them’
Ronnie Hoye
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15/05/12 – 07:38
Chris, can I just point out that David’s comment about the performance of replacement engines was specific to IVECO, which was the smallest of the units in the original experiment. I recently had a ride on an RM with a Scania engine and it went like a bat out of hell! It also made some nice traditional sounds which were entirely compatible with the RM’s transmission.
As regards FRM1, this still exists of course, and it is very special. I once had the pleasure of riding on it, and it felt like meeting the Queen!
Peter Williamson
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15/05/12 – 13:31
Very interesting comments, David, on the FRM. I never saw the ‘Bus and Coach’ article, (yes, I ought to have seen it!), and have never seen any pictures of the prototypes, but it sounds as if it had great potential. Leyland, as Ronnie points out, were eager to kill off anything that competed with a Leyland product. Operationally, the Fleetline was a far better bet than early Atlanteans, being more economical and less expensive to maintain, and it would have been a boon to the industry to have had an AEC alternative, too. Leyland’s arrogance, which manifested itself in many ways at that time, was a tragedy for the whole of the British motor industry.
Roy Burke
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15/05/12 – 18:00
There were other interesting possibilities which Leyland killed at birth. The only really decent and successful rear-engined single-decker was the Bristol RE. It eventually had the option of Leyland engines (which I approve of) but another option "on the books" which was neither promoted nor taken up was of the AH691 AEC engine. Ulsterbus (and all offshoots) had shown a great interest in the AEC option but were dissuaded by Leyland from taking it up – just as later, New Zealand were "persuaded" to take the Leyland 510.
David Oldfield
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16/05/12 – 07:47
In some ways fitting a Scania engine into a Routemaster is the supreme irony. The Routemaster started life with AEC, they in turn became part of British Leyland ‘not to be confused with Leyland Motors’ At the time of the ‘merger’ AEC had designs for a new vehicle, but BL in their wisdom or otherwise decided not to go ahead with it, all the plans ‘including those for a new engine’ were sold to Saab and the result was the 80 and 100 series and every vehicle since, so I suppose you could argue that by using an AEC designed Scania engine in a Routemaster the wheel has in effect turned full circle
Ronnie Hoye
