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13 speed OD gearbox

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2 years 1 month ago #242012 by Bimbadeen
Could a 13 speed OD Eaton Fuller gearbox fit behind 1981 Inter 1910 C Acco with 392 engine.???

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Maurice.

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2 years 1 month ago #242013 by JOHN.K.
Replied by JOHN.K. on topic 13 speed OD gearbox
Yes a RT/O 6613 ,small 13 ......actually factory fitted behind the 392 ......but using a quite rare IH made adaptor housing,one of which I have not seen in 40 years.
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2 years 1 month ago #242016 by hayseed
Replied by hayseed on topic 13 speed OD gearbox
Maurice, Doesn't your old ACCO already have a Roadranger Fitted..??

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2 years 1 month ago #242034 by Bimbadeen
Replied by Bimbadeen on topic 13 speed OD gearbox
Hi Hayseed my Acco does have a 10 Speed roadranger but having driven trucks often with a 13 OD and really think they r one of the best combos around !!!

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2 years 1 month ago #242035 by Bimbadeen
Replied by Bimbadeen on topic 13 speed OD gearbox
Thanks John K
Maurice

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2 years 1 month ago #242036 by hayseed
Replied by hayseed on topic 13 speed OD gearbox
As John ahs pointed out RTO613 will fit. You will have to shorten the tailshaft & change the Gear knob over..!

"Be who you are and say what you feel...
Because those that matter...
don't mind...
And those that mind....
don't matter." -
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2 years 1 month ago #242037 by 180wannabe
Replied by 180wannabe on topic 13 speed OD gearbox
I tend to think you would achieve the same on road drive-ability (same top 5 ratios) with an RTO-610 as you would with an RTO-613, (you just wouldn't have the 3 low creeper gears), and an RTO-610 might be easier to find.

Either way, it is my understanding that all gear changes with either box will be a stick change. As far as i know the 600 series 13 speed boxes don't split the top 4 gears like a 900 series, the 600 series have 3 gears in LOW, 5 gears in INTERMEDIATE, and 5 gears in HIGH, every gear being a stick change. Someone please correct me if i have got that wrong.

I have an idea i read somewhere once that the 6613 is an updated version of the 613, i think something to do with differently cut gears, but again happy to be corrected.

Brett.
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2 years 1 month ago #242038 by V8Ian
Replied by V8Ian on topic 13 speed OD gearbox

I tend to think you would achieve the same on road drive-ability (same top 5 ratios) with an RTO-610 as you would with an RTO-613, (you just wouldn't have the 3 low creeper gears), and an RTO-610 might be easier to find.

Either way, it is my understanding that all gear changes with either box will be a stick change. As far as i know the 600 series 13 speed boxes don't split the top 4 gears like a 900 series, the 600 series have 3 gears in LOW, 5 gears in INTERMEDIATE, and 5 gears in HIGH, every gear being a stick change. Someone please correct me if i have got that wrong.

I have an idea i read somewhere once that the 6613 is an updated version of the 613, i think something to do with differently cut gears, but again happy to be corrected.

Brett.
My memory says five gears in low, four in intermediate and four in high/direct.

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2 years 1 month ago #242041 by werkhorse
Replied by werkhorse on topic 13 speed OD gearbox
Brett is correct ...3,5,5

But the best way to drive the little 13 speeds is the same as a 15 speed

All 5 in Low .... Then 4th and 5th in Intermediate.... Then all 5 in Direct

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  • If U don't like my Driving .... well then get off the footpath ...... LOL
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2 years 1 month ago #242042 by Swishy
Replied by Swishy on topic 13 speed OD gearbox


cya

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