SWEEPER 431 983:

Green Machine model 525HS, fleet number 431 983 seen on the sidewalk of Market at Fifth Sts. (outside Westfield San Francisco Centre) on June 29, 2009.

Green Machine number 431 983 seen in the curb lane at Market and Page Sts. on June 29, 2009.

Green Machine number 431 983 at Market and Third Sts. on June 21, 2011. Three photos added 06/25/11.

Green Machine number 431 983 at Market and Sutter Sts. on June 21, 2011. Three photos added 06/25/11.

Green Machine number 431 983 at Market and Fifth Sts. on May 10, 2012. One photo added 05/16/12.

Green Machine number 431 983 at Market and Fifth Sts. on July 17, 2012. Two photos added 07/31/12.

SWEEPER 431 984:

Green Machine model 525HS, fleet number 431 984 on Market St. at Van Ness Ave. on July 25, 2007. Photos replaced and date corrected 06/25/11.

SWEEPER 431 1193:

Green Machine model 636HS, fleet number 431 1193 at Market and North Fifth Sts. on February 3, 2010. Five photos added 03/30/12.

SWEEPER 431 1199:

Green Machine model 636HS, fleet number 431 1199 at Justin Hermann Plaza on July 20, 2011. One photo added 05/16/12.