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Thread: Production question CAT330 and 345?

  1. #1
    Senior Member LDK's Avatar
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    Production question CAT330 and 345?

    Could any one tell me how many cubic meters ( or yards) you can expect to move per hour when loading clay into trucks with a Cat 330?
    The same question again but for a Cat 345.
    An average figure will do, assuming that the machine is not waiting for trucks.
    Thank you in advance.
    Russell
    Dig it deep, tip it high!!

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    Way too many variables and not enough info to figure properly. Just a rough guess but figure a 3yd scoop every 30 seconds = 460 yds/hr.

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    anyone who asks a question likes this needs a CAT PErformance Handbook, it is full of information like this for all types of machines.

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    Cat handbook says a 330 D with a 1.83 cuyd bucket and a 345C with a 3.0 cuyd bucket should make three cycles per minute, in clay, with an average operator, and a 60 deg to 90 deg swing angle. It may be a little less while loading trucks depending the operator.Using these numbers

    The 330D should move 5.49 yds a minute, assuming your machine is able to work 50 minutes our of each hour that means 274.5 cuyd an hour.

    The 345C should move 9 yards a minute, same with the 330D aprox 50 min of work each hour, that means 450cuyd an hour.

    Again, there are a lot of variables, so this is a rough guess, and really depends on how many trucks you have, plus that assumes you can get the trucks under the bucket fast enough. From personal experience, Running a Komatsu pc300, with a 2 yard bucket, in a 12 hour day, with 15 trucks on a 4 mile round trip, i was able to load out 3,800 cuyds. in a day. Roughly 316 cubic yards an hour. No stopping for lunch of break. Minimal waiting for trucks. All in all, perfect conditions.

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    Senior Member LDK's Avatar
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    Quote Originally Posted by pushcat View Post
    Way too many variables and not enough info to figure properly. Just a rough guess but figure a 3yd scoop every 30 seconds = 460 yds/hr.
    Pushcat, thank you, I was only looking for a rough idea.
    Dig it deep, tip it high!!

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    Is it stock piled

    Another factor is the dirt in a pile or still in the ground. (Hey Turbo) danhoe

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    well i have a 3yd bucket on 330cl and have loaded 4100 yards from a shelf, and a 4yd bucket on 345cl and have loaded 5500 yards. but cant really tell exactly how many voids the trucks had....

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    Divide how many trucks by the yards you loaded, & how much the trucks hold, that will give you a pretty good idea. Danhoe

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