Komatsu Wheel Loaders Related Questions

We'd like to focus on and seek answers to questions related to Komatsu wheel loaders here. Whether it's a question about trouble code aftermath issues, programming monitor hours, curiosity about the 45,000-pound machine's bulldozing range, or looking for service manuals for the WA350 and WA250-1 models, external power ports, and part numbers and specifications for the main drive line universal joints on the 1991 Dresser-Komatsu 540 Wheel Loader, we're looking forward to your insights and assistance. Let's share knowledge and solve problems together. All questions can be directed to MyMROmarts, where we are always ready to serve you.

 

Q1: How can we test after treatment issues on Komatsu WA270-8 wheel loader after addressing codes?

Answer: Odds are your DEF sensor has failed. Check voltage to sensor, if you've got 24 v present and implausible values, you need a sensor. Not a bad job, just tedious.

 

Q2: Does anyone know of way to program hours into monitor?

Answer: Just in case anyone is every interested you have a ground a pin in the back side of the plug on the monitor to access different menu then hours and odometer can be set.

 

Q3: How far was the magical number you could economically push dirt?

Answer: I dont know if there is a definitive answer to the question. Too many factors. Size of machine, blade configuration, conditions, quantity, operator experience, quality/texture/moisture of the dirt all have a bearing. Does a person want or need compaction. Are you cutting, grading, or bulk pushing and can you do it in a slot. What is the time/cost associated with moving in a different machine. Lots of considerations.

For a 45000# machine, as a general rule if i have to move much dirt over 300' i start thinking seriously about hooking up the tractor and scraper.

 

Q3: If someone has a service manual for transmission control valve for wa350 komatsu wheel loader?

Answer: To add a bit of explanation to Makar's post, Komatsu makes changes to basic models over the years in the form of series numbers also known as Dash numbers. The lower numbers are older machines so a Dash 2 machine would be older than a Dash 6 machine. Komatsu always puts the Dash number at the end of the model designations. Your machine would model number would read WA350-X. The serial number would also allow us to look up the dash designation as well. There are usually significant changes between Dash series numbers to you will have to provide it for anyone to give you an answer.

 

Q4: Does the Komatsu WA250-1 have a power supply external port?

Answer1: You could plumb in one of the existing circuits after the control bank, fit a electric change over valve. That way you'd then use the lever to operate the winch.

 

Answer2: Are you buying the winch used or new. The manufacturer many times has kits for installing in many different machines. In general on loaders you need a three section valve to run things like clamps or quick couplers. The diverter valve on the boom or bucket tilt circuit as Mr. Tones suggests is probably the easiest way to plumb it in. I don't know that I've ever seen a Komatsu wheel loader with a power beyond port.

 

Q5: if anyone would have part number and specs for main drivline universal joints for 1991 dresser-komatsu 540 wheel loader?

Answer: There will now doubt be aftermarket driveshaft businesses in you area. In Australia we have Hardy Spicer who can make any driveshaft. Just give them the dimensions you require.