adding a lift axle
 

last night i got a over weight ticket of 872 bucks for 5900 pounds over. i need to put a lift axle in my t300 by monday i have found a bolt on one 20,000 pound that need air lines fittings and wheels and tires for 1500 is that a good buy and can one guy put it on in a weekend with all the tools and a heated shop?