GSS1322F Diesel Engine Service - D188

***NEW*** 22 page D188 Engine Service Manual for 504, 504U gives recommended procedures to overhaul engine. Supplement to GSS1271C, contains information that pertains to D188 engine that is not included in GSS1271C. ***PLEASE NOTE: Cover graphics, text, colors and bindings may vary from product photos. Please contact us before ordering if you require a specific cover.