There are several websites that advertise service manuals for the Liebherr Crawler Loaders. https://www.tradebit.com/filedetail.php/232617278-liebherr-lr611-lr621-lr631-lr641-crawler-loaders and another https://www.tradebit.com/filedetail.php/231137300-liebherr-lr-611-621-631-641-crawler They are about $50 each. Anybody ever buy them? Do they cover the LR631C Crawler Loader? Thanks, Fred
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