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Unless you plan to use a pump frequently, buying your own machine may not pay off in the long run—especially if you factor in the costs and time required for pump maintenance, repair, and clean-up. Instead diesel concrete mixer, it may make more sense to rent a pump (assuming you have a trained operator on your crew) or hire the services of a pumping contractor. Figure out how many hours you typically use a pump annually and then crunch the numbers cement mixers, comparing the cost of buying a pump to the average hourly rental rates in your area.