Trailer hitch 2nd BBox down

Truck hitch 2nd BBox up

Lowest Old 60 - 62

Lowest new 82

polyhedron                  // Type Rear Wheels
8
-0.249,0.060,-0.166  // L B F      
0.249,0.060,-0.166   // R B F      
0.249,0.282,-0.266    // R T F       
-0.249,0.282,-0.266    // L T F       

-0.249,0.060, 0.615   // L B R      
0.249,0.060, 0.615    // R B R      
0.249,0.282, 0.615    // R T R      
-0.249,0.282, 0.615   // L T R 
                              
polyhedron                  // Type Trailer Box
8
-0.249,0.266,-1.423  // L B F      
0.249,0.266,-1.423   // R B F      
0.249,0.711,-1.423    // R T F       
-0.249,0.711,-1.423   // L T F       

-0.249,0.266, 0.678   // L B R      
0.249,0.266, 0.678    // R B R      
0.249,0.711, 0.678    // R T R      
-0.249,0.711, 0.678   // L T R  

polyhedron                  // Type Hitch Top
8
-0.036,0.080,-1.231  // L B F      
0.019,0.080,-1.231   // R B F      
0.019,0.227,-1.231    // R T F       
-0.036,0.227,-1.231   // L T F       

-0.036,0.080, -1.182   // L B R      
0.019,0.080, -1.182    // R B R      
0.019,0.273, -1.182    // R T R      
-0.036,0.273, -1.182   // L T R 

polyhedron                  // Type Hitch Bottom
8
-0.062,0.060,-1.251  // L B F      
0.062,0.060,-1.251   // R B F      
0.062,0.062,-1.251    // R T F       
-0.036,0.062,-1.251   // L T F       

-0.062,0.060, -1.282   // L B R      
0.062,0.060, -1.282    // R B R      
0.062,0.062, -1.282    // R T R      
-0.062,0.062, -1.282   // L T R 