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TOPIC: 1975 Atkinson restoration

1975 Atkinson restoration 16 May 2017 21:37 #182745

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I have started this thread from scratch as some of it was mixed in with another restoration I have currently abandoned! I purchased this one from near Port Fairy and drove it home to Geelong without any issues. So far I have spent about 4 hours on the pressure washer and steam cleaner removing layers of grease oil and dirt. This also included removing the radiator and then fixing some brackets and cab reinforcement that had rusted away. Being from close to the ocean, it is probably good that it had a fibreglass cab but there is some rust in the chassis, brackets, aircleaner etc. I took the opportunity to fabricate a new bulbar using all the fixtures from the old one which was beyond repair. The truck was initially owned by Nestle and was fitted with a 6LXB Gardner, a 10 speed overdrive RR and 38000lb 5.83 ratio diffs on an alloy camel back suspension. It was extended later and had a 27' tray fitted. I organised for a mate to remove the tray with his crane. Unfortunately while the truck was sitting in my paddock for this to be done, we had the wettest April in 146 years and after 7" the truck as bogged and we couldn't get the crane in. He sent a 20 tonne loader instead which we managed to bog and it also broke through my driveway crushing my stormwater pipes. However after a few days of fixing all the damage I finally got the truck out and into the shed. You can see from the photo that the chassis is quite rusty around the rear suspension so the plan is to shorten the wheelbase back to original which seems to be 146" and then cut off the damaged part. Luckily other than the chassis extension, the truck is remarkably original.









1975 Atkinson, 180HP 6LXB Gardner, RTO910, 34000lb Rockwell on camelback

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Last edit: by IHScout. Reason: Click inser to make the picture appear in the post

1975 Atkinson restoration 16 May 2017 22:18 #182746

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Does this still have Gardner fitted ???
You are right about the rust in the chassis rails

When you load a photo up you have click attach to get them to go full size if that makes any sense
Once the photo is loaded up it








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1975 Atkinson restoration 16 May 2017 22:33 #182748

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Might be easier to convert to a single drive using the rear axle and a set of springs and hangers from an Inter or something you can get for scrap price.Dont think youd ever find a Kirkstall with the underslung springs setup.

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1975 Atkinson restoration 16 May 2017 22:52 #182751

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Yes, it still has the original 6LXB Gardner fitted.

John, I don't quite understand the comment about fitting a single drive - I will be using the original bogie drive and suspension that was fitted from new.
1975 Atkinson, 180HP 6LXB Gardner, RTO910, 34000lb Rockwell on camelback

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1975 Atkinson restoration 21 May 2017 19:47 #182931

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Does anyone happen to have any photos (or a photographic memory and a sketch pad) of the rear light bars on a mid 70's Atkinson, especially the ones that carried the plates shown below. I seem to recall that they didn't even have mudflaps which I will include. Would like to make them in as close to the original style as possible.
1975 Atkinson, 180HP 6LXB Gardner, RTO910, 34000lb Rockwell on camelback
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1975 Atkinson restoration 21 May 2017 20:14 #182933

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1975 Atkinson restoration 21 May 2017 21:03 #182937

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I have just had a ganda thru some official Atkinson photos from back in the day with cabs like the one you have here and it would appear that only one had any mud flaps or light bars on the back
They must have gad something as standard from new but what ?????


Paul
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1975 Atkinson restoration 12 Jun 2017 21:09 #183872

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Well I've been getting stuck into disassembly and have removed the rear suspension, all the brackets from the chassis, exhaust, air lines, intake, wiring etc. I have also started to remove all I can from the engine so that I can paint it in the chassis. I did reinstall the sump so I have at least put one part back. Based on the extra (106") that had been added to the chassis, I calculated that the original wheelbase had been 146" which sounds about right given that the only Atkinson spec I could find from the era listed 144". I rolled the bogie forward, and based on the fuel tank location/clearance and the airline junctions etc it looks right. However the tailshaft gap look to be less than I would have expected - based on no experience whatsoever. It is around 500mm which means that when you allow for the uni's it leaves 270mm of 'pipe' length which also included the slip joint. Does this sound like enough? I haven't yet had a chance to talk to a tailshaft builder to see what they say. I haven't cut the chassis or drilled any holes so I can extend it a bit if necessary



1975 Atkinson, 180HP 6LXB Gardner, RTO910, 34000lb Rockwell on camelback
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1975 Atkinson restoration 13 Jun 2017 12:38 #183884

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Oil man looking good
I dunno two tenths of stuff all about whats right or wrong
Maybe just get one whole shaft to replace the two
That is of course there is two shafts

Swishy did a real short tail shaft a few years ago so I reckon he will have a far better idea


Paul
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1975 Atkinson restoration 13 Jun 2017 16:16 #183890

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OilMan
Gudday M8

Just ran a tape measure ovr our ol Big 'A'
the tail shaft tube from the rear of the G/Box to the front of the input shaft on front diff of the bogie drive
tube only 180 mm
slip joint 200 mm
Plus unis etc

cya

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