subsystem 106 engages hydraulic cylinders 402 hydraulic cylinders 402 may include hard line conduits 404 the hard line conduits 404 may be constructed of the same or a similar metal as the outside of the hydraulic cylinders 402 the hard line conduits 404 are terminated at one end by a port block 406 the hydraulic cylinders 402 may connect via boss fitting 418 to thumb 104 at the hydraulic cylinder holes 322 grease fittings 323 may be provided as shown the thumb 104 is also connected at pivot arm boss 306 to pivot mount ears 410 pivot mount ears 410 are welded on to the bucket a bent plate cover 408 may be added to protect the hydraulic supply hoses 502 fig5 from cuts and abrasions while the attachment is in operation a pair of cylinder bucket pivot plates 412 1 and 412 2 provide engagement with either side of hydraulic cylinders 402 1 and 402 2 for attachment pivotally of the cylinders with the bucket see fig4 fig5 is a detailed view of an embodiment of a hydraulic subsystem 106 with hydraulic cylinders 402 fig4 omitted to provide a more detailed view of other elements hydraulic hoses 502 are provided to route hydraulic fluid to the hydraulic cylinders 402 fig4 and may be constructed of a heavy duty reinforced rubber such as the steel ribbed aeroquip u2122 hydraulic hoses 502 may.