fifth wheel strength

does anyone know how to make the dry vans 5th wheel stronger or 5th wheel on the truck stronger?

 

Wrong section. And have you tried connecting them using the node grabber?

 

thank you so much
--- Post updated ---

],
"beams": [
["id1:", "id2:"],
//--FIFTH WHEEL--
{"beamPrecompression":1, "beamType":"|NORMAL", "beamLongBound":1, "beamShortBound":1},
{"beamSpring":20001000,"beamDamp":500},
{"beamDeform":350000,"beamStrength":"FLT_MAX"},
//main shape perimeter
["fw1r","fw1l"],
["fw1r","fw2r"],
["fw2r","fw3r"],
["fw3r","fwk1"],
["fw3l","fwk1"],
["fw2l","fw3l"],
["fw1l","fw2l"],

//vertical
["fw2r","fwa1rr"],
["fw2l","fwa1ll"],

//width
["fw3r","fw3l"],

//surf cross
["fw1r","fwa1rr"],
["fw1l","fwa1ll"],
["fwa1rr","fw3r"],
["fwa1ll","fw3l"],

//attach to kingpin axis
["fw1r","fwk1"],
["fw2r","fwk1"],
["fw3r","fwk1"],
["fwa1rr","fwk1"],

["fw1r","fwk2"],
["fw2r","fwk2"],
["fw3r","fwk2"],
["fwa1rr","fwk2"],

["fw1l","fwk1"],
["fw2l","fwk1"],
["fw3l","fwk1"],
["fwa1ll","fwk1"],

["fw1l","fwk2"],
["fw2l","fwk2"],
["fw3l","fwk2"],
["fwa1ll","fwk2"],
["fwk1","fwk2"],

{"beamSpring":2501000,"beamDamp":250},
["fwa1rr","fwa1ll"],
would it be in this section?