Additional overdrive box for my B61
- HeyCharger
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14 years 10 months ago #8528
by HeyCharger
Proud owner of;
1948 Massey Harris 44K.
1946 Ford Semi-Trailer Bus.
Additional overdrive box for my B61 was created by HeyCharger
Ok wise ones.
I have a B61 fitted with a quad-box. The rear end bogie is off an NR Mack and has diff ratios of 9.02 (yes, 9.02) giving me a top speed of around 70kph. :-[
I just had a brilliant thought
What would be involved and are they available, for me to fit a 2-speed overdrive box behind the quad. ie one speed would be direct and the other would be say 0.6? A friend up in Newcastle has a B61 with 3 gearboxes.
Thoughts and suggestions appreciated. Yes, I do want to keep the NR bogie in there.
Rod.
I have a B61 fitted with a quad-box. The rear end bogie is off an NR Mack and has diff ratios of 9.02 (yes, 9.02) giving me a top speed of around 70kph. :-[
I just had a brilliant thought
What would be involved and are they available, for me to fit a 2-speed overdrive box behind the quad. ie one speed would be direct and the other would be say 0.6? A friend up in Newcastle has a B61 with 3 gearboxes.
Thoughts and suggestions appreciated. Yes, I do want to keep the NR bogie in there.
Rod.
Proud owner of;
1948 Massey Harris 44K.
1946 Ford Semi-Trailer Bus.
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14 years 10 months ago #8529
by monty
Replied by monty on topic Re: Additional overdrive box for my B61
Rod,
change the diff ratios to some thing smaller, or you could install the box behind the quad box, there's a bloke on the BMT site that has one in his B model from walgett, might be a bit of a hassle have you spoken to this bloke and have you got some picks?
blokes handle is "Knobby"
i thought you could get a dollar in that thing?
-Monty
change the diff ratios to some thing smaller, or you could install the box behind the quad box, there's a bloke on the BMT site that has one in his B model from walgett, might be a bit of a hassle have you spoken to this bloke and have you got some picks?
blokes handle is "Knobby"
i thought you could get a dollar in that thing?
-Monty
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14 years 10 months ago #8530
by kennymopar2
Replied by kennymopar2 on topic Re: Additional overdrive box for my B61
ive a joey box out of dodge bogie drive ..but they are a 0.85 overdrive
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14 years 10 months ago #8531
by atkipete
Replied by atkipete on topic Re: Additional overdrive box for my B61
Not sure that that Dodge joey ( maybe a Spicer) would rated to full grunt from the quad box. If you didnt put them all into low at the same time it should not be a problem.
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