Search 34,354 chart rows transcribed from manufacturer towing guides. See the engine, cab, axle, required equipment, and source together. These are published comparison ratings; your truck’s equipment and loaded weight still matter.
PDF page 1, "2007 Dakota Base Weights/GCW/Payload", section "DAKOTA CLUB CAB 2WD SHORT BED SLT ND 1H33", row 3.7L V6 (EKG) / Getrag 6 sp MANU (DEJ) (M6) axle 3.21
PDF page 1, "2007 Dakota Base Weights/GCW/Payload", section "DAKOTA CLUB CAB 2WD SHORT BED ST ND 1L33", row 3.7L V6 (EKG) / Getrag 6 sp MANU (DEJ) (M6) axle 3.21
PDF page 1, "2007 Dakota Base Weights/GCW/Payload", section "DAKOTA QUAD CAB 2WD SHORT BED ST ND 1L84", row 3.7L V6 (EKG) / Getrag 6 sp MANU (DEJ) (M6) axle 3.21