Your Sunseeker 2500TS is the only one with a rear slide out, so probably why it does not come with ladder.
Also at bottom of brochure it does say:
All specifications contained herein are based on the latest product information at time of printing.
Forest River reserves the right to make changes in colors, materials, equipment and specifications
at any time without notice and assumes no responsibility for any errors in this brochure. LITHO:
U.S.A. FOR 0940
2011 Rockwood 8319SS with ProPride 3P hitch/GoodYear Marathons/TST TPMS 507
2008 F250 Lariat CC SB 6.8L V10 4.10 axle ratio (NITTO TERRA GRAPLER G2 LT275/65R20E)
Yamaha 3000iseb generator:Progressive Ind. EMS-HW30C : Eastern Ontario
Nights Camped: 2011(21) 2012(36) 2013 (17) 2014 (18) 2015 (18) 2016 (36)