Really? Lets compare apples to apples.
2014 3/4 ton truck, 4x4, Regular Cab, 8' Bed, Diesel, 10,000 GVWR package.
Ford F250 (137" WB) payload = 2709#. Source:
http://www.fleet.ford.com/resources/ford/general/pdf/towingguides/14FLRVTTgde_Sep9.pdf (Page 10)
Dodge 2500 (140" WB) payload = 2004.7#. Source:
http://www.rambodybuilder.com/2014/docs/ram/hdramcg.pdf (Page 5).
2014 3/4 ton truck, 4x4, Crew Cab, 8' Bed, Diesel, 10,000 GVWR package.
Ford F250 (172.4" WB) payload = 1591#. Source:
http://www.fleet.ford.com/resources/ford/general/pdf/towingguides/14FLRVTTgde_Sep9.pdf (Page 10)
Dodge 2500 (169.5" WB) payload = 1004.5#. Source:
http://www.rambodybuilder.com/2014/docs/ram/hdramcg.pdf (Page 5).
Looks like the Ford with leaf springs beats the Dodge with coil springs by 500# or 700#.
Aaron Z