E. Schoen

Member
I have an LA with the 4 7/8" pistons and 5844A head. I figured it would pull great, but it will not even move the sled. Has a rebuilt carb and rebuilt mag.
 
I test my tractors at home by hooking up to big MFWD tractor. As I pull it along person in pulled tractor applies brakes until I spin out or run out of power. Hooking on to a sled is different where you are starting out pulling around 100% of your weight. It doesn't even have enough power to move the sled. When I test at home the governor is working
 
what class are you in, 4 or 5 ? is it the tractor or the sled operator? takes very little power to get the sled moving.i always start pulling at an idle. means you must have tractor problems. plus going to a pull you need to know that your tractor is up to spec. and yes, what does tractor do ?
 
I have been pulling for 15 years. I have another LA that I rarely do not take 1st place with. This is not a mechanical sled it is a step on sled and you start out with pretty much 100% of your weight on the sled. This is farm class. This LA weighs around 8800#.
 
Does the engine bog and stall, do the tires spin out, or does the clutch slip without spinning the tires or pulling down the engine?
 
Thanks for asking this question. I have an LA that is a gutless wonder as well. Will not spin out in first gear, just slowly loses rpm's until it dies. Please post if you find out what the problem is. Don
 
The governor appears to be working but I am going to take it apart and have a look at it. I am planning on taking it to a pull on the 29th. I'll report back how it runs.
 
weak spark, incorrect timing and or a fuel delivery issue like stated below ,, LA's are far from gutless,, mine would spin the rears easy in 2nd at a idle
 
WOW You being an experienced puller, I will not ask if your LA bogs down because of misfiring. I am curious however about what competitive tractors are able to move the sled?

In years past I pulled an L in second gear hooked to a mechanical sled. Engine power was never a problem. Tires would spin out.
 
I have a 49' LA with 4 3/4" pistons that I can pull 150% of my weight quite often. Last year I was outweighed by a JD R by 500# and I beat him by 21'. I have had such great luck with my 49' it just puzzles me why the 52' won't pull it.
 
There are some timing marks, but they can be difficult to see. The simplest way is to pull a plug and view in the cylinder with a flashlight while someone cranks it by hand. You should hear the impulse at top dead center. If you can't see the piston through the hole, use a light rod to feel for the piston as it comes up.

Of course the spark timing is advanced automatically when the impulse kicks out, but tdc is where you should be on impulse.
 

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