to the first rotating flow line 28 water or a water cleaning fluid mix then travels to elbow fitting 29 and nozzle 34 and via elbow fitting 30 to second rotary connection 31 and tee fitting 32 the tee fitting 32 then conveys pressurized fluid via rotating flow line 33 to elbow fittings 35 and nozzles 34 the nozzles 34 are angled so that they rotate the rotary flow line 28 in the direction of arrow 37 and the flow line 33 in the direction of arrow 36 in fig1 thus the nozzles 34 can be angled about twenty degrees with respect to a plane defined by the rotation of second rotary flow line 33 arrows 37 in fig1 illustrate a rotation of the rotary flow line 28 the rotary flow line 28 rotates so that rotary connection 31 also rotates in a circular path about the first rotary connection 26 a peripheral guard 22 can be provided that extends in a generally circular path being attached to frame 11 at attachments 38 39 40 fig6 9 show an alternate embodiment of the apparatus of the present invention designated by the numeral 41 in fig6 7 vehicle undercarriage washer 41 provides a frame 42 e g welded steel or welded aluminum having a rear section 48 that can be fitted with wheels 43 44 a forward foot or caster 45 can be affixed to a front section 49 of frame 42 the frame 42 can be generally triangularly shaped with wheels 43 44 foot 45 attached to frame 42 at.