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I wonder what its original vocation was? 1st thought was "turnpike doubles" but not with that wheel-base. Daycab cabover with V8 must have done something that required that? 

Day cab cabovers don't shorten things very much from a single bunk sleeper, and having the sleeper is nice. So back to the 1st question.

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17 hours ago, h67st said:

Good question...what's the difference between the two?

F600 were built using R-model chassis rails (or more correctly to say R-model got F600 chassis when came into production in 1965. F600 started in 1962) F700 have different and model specific rails. IDK why it's 700 since the rear portion rails section is identical (9x1/4")

If I'm not wrong F700 were just later production trucks replacing F600 at some point. That shafty part you see between the bumper and the lower cab edge is a kind of torsion bar (or what else I don't know what particulary) makes me thinking it's F600.

Никогда не бывает слишком много грузовиков! leversole 11.2012

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On 7/14/2025 at 2:27 AM, BOBWhite said:

Are F700 and R700 similar chassis? Almost odd to see such an Aussie spec truck here in America, wish that had a vid of it running that would be sweet! 

Edit: Awesome Farr air cleaner too! 

No. R700 chassis has similar config to R600 chassis but of higher section and of thicker sheet (3/8"). F700 chassis has different shape of the front portion, actually its own specific shape as long as I could observe along other Mack models. Maybe CF firetrucks had similar rails IDK. At the same time if I'm not wrong F700 had the same (light) section of the rails at the rear as R600 - 9" tall and 1/4" thick. That's standard section for basic B-models and a few other Macks of the era.

Worth to point out we talk about Eastern R's and F's. Western R700 (RS/RL700) like your truck have straight rails with constant section front to rear. I don't have specs for those frames, would be interesting to learn the sizes.

There were also FS/FL (700?) produced at Hayward factory. Which also had straight frame rails, the most probably similar to what was used in RS/RL700.

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Никогда не бывает слишком много грузовиков! leversole 11.2012

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On 7/14/2025 at 12:46 AM, james j neiweem said:

Facebook ad says its an 865. I thought the 865 was the 325 maxi. Truck has silver dog and 15 speeds. Maybe an 864? Or maybe I am corn fused.

Maybe 866?

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Никогда не бывает слишком много грузовиков! leversole 11.2012

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