Common questions

How can I tighten the clutch on my Caterpillar D4?

How can I tighten the clutch on my Caterpillar D4?

Tighten the spider bolt with a wrench, a quarter turn at a time. Test the pressure on the clutch lever with the torque wrench after each quarter turn of the spider bolt, until the torque wrench breaks at the 30 foot-pound setting. Tighten the spider bolt locking nut and reattach the clutch housing cover with the wrenches.

Can a 1947 caterpillar be fitted with an oil clutch?

Some of the older cats could be Retro fitted with oil clutches.We have a 1947 Cat d6-8U fitted with an oil Clutch ,So check it out , and make sure what it is . sounds like experience talking here ? Click to expand…

When did the oil clutch come out on a cat?

Oil clutches did not come out on any Cat until 1953. That D4 has oil seeping from the transmission which is normal. Drain it out and all the oil your friend put in. If it were mine I would take the clutch out and wash it since it was well soaked with oil.

Where was the clutch located on a 1952 Caterpillar D4?

I belive in 1952 Cat designed the D4 so that you could pull the clutch out through the top. Previous models had to either pull the engine or remove a large plate which also covered the steering clutches (I don’t remember which way).

How to fix a D4 clutch on a caterpillar?

To adjust take a 3/4 socket and extension and adjust the collar from the bottom right side (remove plate) or can be adjusted through the top inspection hole. D2 is easier as it has a pull tab to adjust the collar. Clutch will turn so put transmission in gear but remember to take out of gear before you start it up. How did you fix this?

Oil clutches did not come out on any Cat until 1953. That D4 has oil seeping from the transmission which is normal. Drain it out and all the oil your friend put in. If it were mine I would take the clutch out and wash it since it was well soaked with oil.

Some of the older cats could be Retro fitted with oil clutches.We have a 1947 Cat d6-8U fitted with an oil Clutch ,So check it out , and make sure what it is . sounds like experience talking here ? Click to expand…

Where is the clutch on a Caterpillar bulldozer?

Remove the clutch housing cover, located on the bottom of the bulldozer, with a socket wrench. Locate the single 1/2-inch bolt securing the center of the spider gear assembly. Loosen the nut on the bolt with a wrench.

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Ruth Doyle