D6c 76a 1414

Steering clutches and brakes are oil type.
Engines went from D333A in the 76A units to D333c in early 10K then 3306 engines in later 10K's.

How does the 333a compare to the 333c or the 3306 for that matter this machine has 80% undercarriage and all the pins on the blade are tight new batteries and seems to run out fine. I think I will go to around 15k on it does that sound reasonable?

How does the 333a compare to the 333c or the 3306 for that matter this machine has 80% undercarriage and all the pins on the blade are tight new batteries and seems to run out fine. I think I will go to around 15k on it does that sound reasonable?

My dad owned 3, maybe 4 D6C dozers around 1968 thru the 1970s, then a couple of 10Ks. The 6C dozer was my first experience and learning machine and which I have spent many hours on. I remember one of the s/n being pretty close to your #. I don't know the difference between the A & C engines or what dads dozers had in them,they were all bought used and probably I have ran both and didn't know it. I don't recall any memories of earlier dozers being any more problematic than later ones. They were a very reliable dozer and we put a lot of hours on all of them and rebuilt a lot of components due to hours of use, not from any what I would call as design weaknesses. With the undercarriage being as tall as you have mentioned and if the machine operates and performs comparable, 15K sounds reasonable, but I could see a really good example earning a few K more.

The D333A is a 4-1/2" bore engine. They were subject to cracking heads and spun bearings and went through many evolution items over the coarse of production. The D333C is a 4-3/4" bore engine, much improved over the D333A and the for runner to the 3306 (4-3/4" bore) engine and considered the best of the series.

[quote="VopataR"]I’m looking to buy this machine. Can you tell me pros and cons comparing this machine to a 10k machine?
I think the steering clutches and brakes run in oil. Is this correct?[/quote]

I’ve owned a D6C with a 3306 and I currently own a D6D also with a 3306 engine.
The 3306 is held in high regards among Cat owners. I believe in the long run your investment in a 3306 powered D6C is better protected and a will offer better resale value.
When I was initially looking to buy a D6C I was advised to buy one with a 3306 engine, and when I decided to sell my machine almost all the potential buyers asked if it had the 3306.