I purchased a new D9 (83"x16' Dump Trailer) in 2009. I am a homeowner so although I have used it extensively my usage is probably light relative to professional users. It has been a good investment and is generally of good quality. It is very heavy duty, tracks well, and the dump function has been flawless. I use it to haul all sorts of material and my tractor. When I bought it I had a
BX24 with front loader and backhoe. I currently have a
B3350 with front loader and backhoe. Both fit well and load/unload easily.
Two major issues with the design;
1) PJ powder coats all their trailers (I hate powder coating). As it always does mine has bubbled, blistered, and peeled in several places including at every wear point. One (of many) reasons powder coat is inferior to paint is that it easily and quickly fails to retain its watertight integrity. Once this happens (often not visible) the iron underneath it rusts quickly because the moisture is trapped by the coating. After some time outgassing from the oxidation process causes a blister which is your first indication the water integrity has failed. By this time the iron underneath has decayed to form a pit which makes repair more difficult and expensive.
2) The D9 features a pair of great ramps which are cleverly housed underneath the dump box in slide frames. Each ramp is accessed through its own hinged flip down door panel. The design flaw is that the hinges have no grease nipple and there is no other way of lubricating them. This combined with the fact that they are made of high iron content steel, results in them seizing up hard between uses. Ramming them from the backside with the 100lb ramp will not free them nor will a pry bar from the outside. In the past a long wait after applying penetrating oil and some vibration has worked but it happened again today and so far after 3 hours that has not worked. It may sound like a small problem but it greatly impacts productivity. I could have finished today's 6 yard bark dust project by Noon but because of this issue the project is postponed for a week.
I've had the box interior refinished with a commercial grade coating by Line-X that stands up extremely well to impact and abrasion from rock, gravel, etc. and is impervious to hot tire pickup. Unlike their bed liner products this one is smooth so it doesn't interfere with material flow during dumping. Soon I'll have to do replace the powder coat on the rest of the trailer.