I can buy a cheap BJ7 axle with disk brakes. Are the 70 birfields, differential parts interchangeable with 40 series parts? Is the axle weaker or stronger than the 40 axle? (it's a coil sprung axle)

Hi Chris,

I thought you already did a disc conversion to your axle ???

If the axle is from a BJ7x, then it's an heavy-duty 9" leaf sprung.
If it's coil sprung, it comes from a light-duty 8" LJ7x RJ7x or KZJ7x.
The 3rd member on the light-dutys are high-pinion, (weaker design) and are not intechangable with the heavy-duty units (which are all interchangable, including 40 series).
The birfields and knuckles should be almost identical. Heavy-dutys only had vented rotor, whereas light-duty had solid rotors in the begining.

HTH,

It's the light duty type, because it's solid discs and coil sprung.
It's only 250 euro's for the entire front axle, i thought of buying it and then selling the brake setup and using the axle to use it as a testpiece for shaving a toy axle.

But if it's a weaker setup i don't think i'll bother.

On a side note, i've read somewhere that som 70 series land cruisers came with a facory mechanical lockers, do you know wich type this is, are the lockers any good and is what type of axle is it ?

Yup, factory lockers are cool, and are a bombproof design. The drawbacks are availability, and $$$.

They are built in the third member, and use a dog clutch to lock the carrier with the shaft. Actuation is made either with an electric motor, or with a cable. In addition to the 3rd member, you need a longer splined shaft , long side in the front, and short side in the rear. These lockers come in both heavy-duty and light-duty flavors, full-floater only (from factory at least). (and I think light-duty might be electric only ?)

On wich type of cruiser can i find these? Or could you get them as a factory option on every type of cruiser?

No 40 or 55 series had them, but they were/are available on the later series, depending on specs. and country. These items are very common on HDJ80s (HD rear, LD front), very rare on other series in our part of the world AFAIK. 3rd world, japanese, and scandinavian vehicles had most of them I believe.
I think you could also order them from the dealer, but last time I asked a complete locking 3rd was ~1500EUROS, and the specific shaft ~300EUROS IIRC (no specific shafts are sold for the long 40 series front, though I believe). Used HDJ80 lock axles could be had for 1500 EUROS I think, which is not cheap either...

Bye,

I think you will only find cable lockers on BJ75 and late hj60/62, because they came with full floater axels as standard. The cable locker 3rd costs 2200 euro. Maybe 1/3 of the BJ75 came with lockers in Sweden and only 1/50 of the hj60 came with lockers.
Does the LJ70 front axels have the same track as mini truck axels?

that LJ/RJ front will be a minitruck HP front, birfs are the same as LC/mini

the axles are thier own length, and the HP is equal in strength to the 9" front, cause of the RR
design!!

;)