On the way home yesterday my 1941 Dodge Weapon Carrier bound up at the gate. Long story short, the transfer case had an idler shaft slide out and a gear has dropped down, cut a hole in the box and destroyed everything inside.The transfer case is a remote or divorced case from a Nissan MQ petrol station wagon. (all the other MQ models such as ute and short wheelbase had attached transfer cases). Unfortunately they have been the transfer case of choice for off-road racers so getting a bit hard to find. I think the model is T100t behind the L28Any and all leads anywhere in the country much appreciated.
That conversion is probably one of the after market transfer cases made specially for off-road racing and engine conversions. As you say very expensive.
They are a great idea as you can put any engine/gearbox combination in any vehicle without being locked into a manufacturers gearbox/transfer case unit.
Back in the day I put a Datsun 1000 engine in an early Suzuki 4x4. The separate transfer allowed me to swing in the Datsun engine and gearbox. I did the whole thing under the house in Lae, PNG with hand-tools. Biggest engineering job was using a hacksaw to cut the jack-shaft from the gearbox to the transfer and join with a stick welder.
Got me through a serious expedition along the coast from Lae to Finschaffen, floating in tarps across rivers and bouncing over the coral reefs in two foot deep water to get around creek mouths
Not sure about torque or hp capacity but Suzi Mart at Slacks Creek used to race various Suzis repowered with V8 engines.
The Suzis also use a remote transfer box which must be pretty tough to handle a V8.
Not sure they used the Suzuki transfer case. It is a great little unit but "little" is the word. Remember most larger 4x4 up until the late 60's used a remote transfer case so there are plenty of high strength options.
I have now found a rather expensive direct replacement in South Australia after about 25 phone calls and it is leaving on tomorrow's stage coach. They are certainly getting rare.
Reason for the fitting (to my last 3 WW2 Dodges) is they have helical gears and a 2:1 low gear reduction. The originals were only single speed ie in or out of four wheel drive with a super low first in the main gearbox. The 15cwt Blitz had the same single speed remote system but the 3 ton blitz also had high/low range. Main improvement is the noise - what a difference not having straight cut gears.
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