# THREE METHODS FOR MEASURING BULLDOZER PRODUCTION

Are you measuring your Cat® bulldozer production accurately? These recommendations from professionals can help make sure you’re calculating your output correctly.

Here are three ways for measuring dozer production:

1. Employing Surveying Techniques
Conduct a time study and then cross section the cut to determine the volume of material you have removed with your dozer. Then, conduct another time study and cross section the fill to determine the volume of fill material. Calculate the volume in loose cubic meters or loose cubic yards per unit of time.

You can also conduct a time study plus weigh the material you have moved with your dozer by weighing loader bucket loads.

This method of measuring dozer production may be the simplest to conduct. First, pick up and carry a load onto a level area and stop. Raise your dozer blade and drop the load, pulling forward slightly as your blade comes up, leaving a nearly symmetrical pile. Then, reverse to move away from the pile.

Measure the height (H) of your pile in feet. Hold your measuring tape vertically at the inside edge of each grouser mark and sight along the top of the pile to be accurate in your measurement.

Then, measure the width (W) of your pile in feet. Hold your measuring tape horizontally over the pile and sight at the inside edge of each grouser mark and the corresponding opposite side of the pile.

Now measure the length (L) of your pile in feet. Hold the tape horizontally over the pile and sight at each end of the pile.
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With your pile height, width and length measured (HWL), compute the blade load. Average your height and width measurement. Find your load in loose cubic meters or loose cubic yards by multiplying height, width and length, then multiply that resulting calculation by 0.0138:

• (HWL) x 0.0138 = Load (Loose cubic meters or loose cubic yards)

Then, multiply your resulting calculation by the Load Factor (find load factors for varying materials). The result will be your load in bank cubic meters or bank cubic yards.

• Loose cubic meters or loose cubic yards calculation x load factor = Load in bank cubic meters or bank cubic yards.

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