I posted two years ago about the new L118 I had purchased. I will admit that I use it a little (or a lot) more than most people. I mow about 10 lawns a week with it, so I have racked up the hours pretty quick. As far as maintenance goes, this thing is taken well care of. I always change the oil between 25 and 35 hours, I lube the chassis and sharpen the blades regularly. I also try to keep the machine clean although it is stored outside. Anyway, I thought I would give a report as to the durability and life expectancy of this machine.
At some point around 100 hrs, the steering pinion and sector gears and bushings wore to the point that steering was hard and had play in it.
At 171 hrs the hydrostat failed. It quit pulling when it got hot and when cold it made strange noises.
At 191 hrs, I noticed play in the deck spindles. As I was cleaning the machine to take it in, I noticed that the deck shell was broken around the rear hangers. The spindles were replaced with new ones that incude zerk fittings, and teh deck shell was replaced. The new deck shell was an updated type for the LA series mowers and the rear hanger adjuster links are different. This caused the clips that hold the links on to keep breaking and letting the deck fall. This happened three times, until I convinced the dealer to also change the lift arm that was redesigned to mate with the new deck.
Around 235 hrs the right tie rod end broke. The new one is adjustable for toe. The dealer did not set it right and it got into the motor pulley and wore a groove into the rod. I don't think it hurt the integrity of it but they should have been more carefull.
Now at 255 hrs, I found the frame chacked behind the front axle. I was informed that the dealer would weld the crack under warranty. I decided to take this one into my own hands as the warranty just expired today. If they are going to weld it I thought I would do one better and reinforce it. I had to drop the front axle out for access. Then I used a C-clamp to pull the area back into position and then welded 4 gussets into the frame. It is now much stronger than new. I also noticed the the cast iron axle was very worn on the back side where it rubs as it pivots. I decided to use a stainless alloy rod (made for welding cast) to weld in some steel plate for a larger bearing surface. Only then did I notice that the I-beam was cracked on both sides of the pivot hole. The bottom flange of the I-beam was broken all the way through, and the crack extended 1/4" into the web of the beam. This was on both sides of the pivot. I ground the cracks out to a vee, and then pre-heated and welded it with the alloy rod. The weld was then peened and allowed to air cool. All is pained and reassembled now, and I hope it all holds.
So, to recap, 100 hrs: the steering gears wore out, 171 hrs: hydro failed, 191 hrs: deck shell broke and spindle bearings failed, 235 hrs: tie rod broke, 255 hrs: front axle and frame broke. Also, I have noticed that the Intek is starting to use a little oil. and the hydro is getting a little more noisy.
I can assure you that while this mower is used alot, it is not abused. It is only driven by my wife and myself. I think it would have had the same problems at these hrs if it were used on one lawn or 100. So, should I be satisfied with this level of durability? I had a Murry that was used on the same lawns, NOT cared for as well, and had a sheet metal front axle. It was 5 years old and the only problem I ever had was a set of spindle bearings and a set of belts. It was starting to get pretty loose, but it was over twice as old and half the price.
I would have thought it would last 500 hours or more without a major failure, but it has had failures of the hydro, steering, deck, frame, and cast iron axle with only 255 hrs. I think that is pretty bad. Will it last another 245 hrs? I have my doubts.
I will try to get pictures of the frame and axle repairs and also of the same areas on new machine so you can see what I did. In fact, in my opinion, the frame would not have broken if John Deere would have put 1/2" more weld on each side.
justin3
xpostech
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