Just for the record we had on the BTS fleet an ERF “A” Series 8LXB with Fuller 9509 box and Kirkstall D85 axle AND the wheelbase was ----- 9ft 6" 
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And the ERF A series Brochure shows “LAG 340” (8LXB) chassis with a 9 feet 6 inches wheel base.
Manufacturers were often willing to build what the operator wanted rather than stick to set dimensions or specifications.
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To add.It looks like there were two versions/later development of the A series which extended the front overhang and thereby radiator position, which might explain how they could accommodate the 8LXB and drive line package without needing to extend the wheelbase ?.
However you look at it accomodating the length of the 8LXB and Fuller and propshaft is going to be dependent on the distance between the inner face of the radiator and drive axle input flange.
Admittedly that isn’t totally governed by wheelbase it will also be dependent on the distance from the radiator to the steer axle centre line.
We’ve got evidence that the 240 Atki at least needed a 10’ > wheelbase to fit it.
On that note the angle of the propshaft shown in the V8 Guy example looks like an extreme compromise.
Admittedly all bets might be off given that type of quart in a pint pot thinking.
But doubt it in this case.The 240 BigJ looks like it was a unicorn for a reason.
It might have been a bit more complicated than that.
Like just not able to meet volume domestic orders from limited export specials market production capacity.
Or maybe not able to meet overall length regs with what they had when coupled up to the customers’ trailer fleet.
The twin steer Chinese 6 version shown seems as good an option as any for the job.Not much point if the customer specifically wanted a 4x2 no ifs no buts.Or it didn’t meet the length regs when coupled up.Or too heavy for required payload maybe.
I think maybe Bewick knows something that Ro maybe doesn’t ?.
The CM article which I posted related to the 240 Atki Borderer which clearly stated the requirement for a 10’ > wheelbase for the motor to fit.
Which is obviously longer than the 9’6’’ of the BigJ sales shown in the records.
As it turns out 10’8’’ v 9’6’’ to be exact.
Are you sure that you’re not confusing the XJ220, with the extremely rare and mega valuable 7.0 litre development of the XJR15 ?.
It would be interesting to find out if TWR’s 7.0 development of the V12 was based on Laurence Pierce’s work having been using the 7.0 litre capacity in his series 3 XJ12 and XJS conversions, before TWR did in XJR8 and 9 ?.
Laurence Pierce actually made the required crankshafts in house at his Leatherhead works.Although numerous other tuners were doing similar.
Didn’t think that any V12 powered XJ220’s were ever made ?. Although there is a project underway to now create one.Maybe a similar story as the 240 Gardner Big J.
9’6’’ with another foot added to it for luck you mean.
Which leaves the question does the A series chassis code actually differentiate 6 cylinder options v 240 Gardner ?.
It’s possible that, like the Atkinson Borderer 240, an increased wheelbase requirement also applied to the ERF by default.
Maybe a requirement that GUY couldn’t meet sufficiently to justify 240 engine supplies ?.
No it wasn’t Village said so
Village is in the news as they keep mentioning return hubs on all the tv news channels and MSM.
Leave it out.I actually said the distance between the radiator and diff input flange.Could be extra wheelbase could be extra front over hang, or a bit of both..
As I said Bewick probably knows something that we don’t in that regard although Buzzer and H seem to be in on the wind up.
Maybe someone could explain the when and the why, regarding the obvious difference, in the front overhangs of these respective ‘A series’ ERF’s ?.
You are, as usual, talking bollox CF as this shot is of two “A” Series on the BTS fleet that are identical units with the one on the left being the LXB 240 / 9509/ D85 axle and the one on the right LXB 180 /Fuller 609 /D85 axle. That pair of Gordons ERF’s look like they have Eaton axles which was my preferred choice but the Kirkstall D85 did an OK job so no complaints ! So Mr “Brain Surgeon” of Leatherhead Google your way out of that “technical” you have been flapping your gums about recently in previous posts ! The difference between “mee” and “thee” son is that I’ve been there and done it where all you have done is sweet FA and your “perceived knowledge” comes off the Google Key board . You sad fkr !
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To add in the post which Ro has posted ERF chassis drawings for A series tractor units the they show one version with 4’6’’ front overhang centre steer axle to front bumper bar and 3’4’’ for all others including Cummins 220.
Which makes the wheelbase measurement for radiator to diff input flange distance moot.
So how much front overhang on the Big J?.
Identical indeed.
You mean the one on the left with what looks suspiciously like two bleedin chassis rails poking out the front of the cab.
Next you’ll be saying that the whole bleedin lot 8 LXB and Fuller box and prop were the same length as a 180 and DB box and prop.
To add.
That looks like a recabbed earlier ERF but i could be wrong .The last bit of that sentence is something we never hear from you.
Best ask Les if the first ERFs (LVs?) didn’t have steps?