Absolutely illustrated parts manual with diagrams showing all elements of the device, OEM element figures and section descriptions; Driven by a ground wheel, the crop loader experienced reciprocating bars with tines on them which picked straw up through the swath and into a trailer, This welger rp12 assistance parts http://deutz-fahr-harvester-part81470.blogminds.com/the-single-best-strategy-to-use-for-welger-ap-830-parts-catalog-9882058