Trailer Axle

Dually

• Modern version has same rim but flipped.
• Axle must be special elongated, to accept 2 wheels back to back
• $3500 [1]
• $3300 [2]
• Dexter catalog - [3]
• 16-18 ply wheels - 17.5" 215/75 R17.5 16 ply Radial TWA (Tire Wheel Assemblies) - add another $2k?
• $9k for 2 axles (32k lb) - [4]
• Wheels (4) are $1200 -
• 4 wheels $900 - [5]. Not. Need 8 lug on 10.8" center [6].
• What are 8 lug on 6.5" hole center? For trucks, not trailers.
• Here is the wheel - 8x275 mm - [7]
• Wheel with tire - [8]
• 5.6" offset is the standard in heavy trailers - [9]

Tandem Axle Suspension

• Not leaf spring but rubber. 10k lb [10]. These go up to only 14k.

Axle or Kit

Hint: 3 axle x 7k is most cost effective, but this runs into the issue of difficult turning - rubber rips on short radius

• 21k triple axis with wheels and brakes $3600 [11]
  • Note that 7k axles are $700, while 16k axles are $3700 - why the huge jump?

• Double axle kit is disproportionately expensive compared to triple. 20k lb double axle kit - $8.4k [12]
• 7k - $700 [13]. 7k with wheels $1100, includes electric brakes. [14]
  • Note that the 3500 lb version of this is disproportionately expensive at 80% the price at 1/2 the spec, at $850 [15]
  • $500 for 3.5k with wheels ,no brakes [16]
  • Note that 10k axles are likewise disproportionately expensive in kit form, but just axle is close to 7k [17]
• 15k - electric - $3200 [18].
• 15k - $2500 [19]

• 28k lb axle kit - dual tandem - [20]
• Base cost of $750 for 7k axle - no wheels or mount kit
• $3k for 14k trailer axle set. Electric brakes. [21]

• $1354 for 7k with brakes [22]

15k Axles

• $2k bare cost [23]

Kit - Wheels, Springs, Etc

• 35⁰0 lb cheapo axle $360 -[24]

Trucks

• Even an F150 can pull 14000 lb [25] on a ball, not even gooseneck.
• No special license if truck is under 26k lb [26]