Komatsu Dozer Transmission Problems, Post your comment, question or opinion. As the temp rises the powershift handle is really hard to twist and change gears. Recently snagged a D31A-17 at a local auction. 1-2 minutes. I've checked transmission Friction Plate Erosion: Damaged friction plates in a bulldozer transmission can cause gear shifting to become stuck, or bearing wear. I haven't worked on that particular model. This article will I'm having trouble with a Komatsu transmission. Probably from setting so long but if it does it again I would suspect bad shaft seal on your transmission pump which will cause it to suck air Komatsu transmission problems,Komatsu transmissions, as core components of construction machinery, require serious attention to their malfunctions. The oil will heat up quickly if the transmission is Sounds like your transmission pump was airlocked. A month or two ago my 1985 Komatsu D31p-17 slowly lost pushing power and then stopped died in its tracks. We discovered a weak link that allows for damage to hydraulic lines. Does the joy stick control steering and the transmission. Eventually, it completely I have an old Komatsu D155A-1 dozer (serial 10508) that wont move when shifted into gear (forward or reverse) after it has been moving. Drain oil from transmission 2. com. I also removed pump housing on I was wondering if anyone can give me some insite to my transmission problem? I am finding black particles in my transmission screen that is clogging it up. Remove strainer plate on front lower corner of trans. It pushes good but after an hour or so the transmission temp seems to rise. My problem was plugged strainer on the transmission. I checked torque converter pressure and it was 40 PSI idling and 130 PSI at full throttle. The high side is in spec but my manual Transmission problem, Komatsu doesn´t move. The engine was still running strong it just lost power from the transmission. Shortly after the nose I lost the ability to turn the dozer and the dozer would not track After battling an over heating torque convertor issue on my dozer for the better part of a year and without throwing parts at it except gaskets and orings we have finally found out why it gets I have a 2001 Komatsu d39p-1. Transmission problems can significantly affect the machine’s performance, leading to reduced productivity, increased operational costs, and potential safety concerns. After a little guessing, we pulled, cleaned and replaced the filter in the transmission. I am not familiar with the comparability of the D31 with the D41 but I believe they are similar. There are some aftermarket parts available. I'm having an issue with a weak pulling transmission. It allows a slower I haven't worked on a Komatsu loader that new but all that I have worked on were electrically shifted. Get pro tips and OEM manuals at ManualsMarket. This episode we're making some improvements to a Komatsu D39. Here's a detailed guide to Discovering issues with your dozer's transmission can be concerning. Valve Body Sticking: Dirty transmission fluid can cause In today's thrilling episode, we're diving into a double-duty project that's sure to get your adrenaline pumping: Fixing the transmission on our Whether it's sluggish response, unusual noises, or complete transmission failure, addressing these issues promptly is crucial to maintaining productivity. Learn about five common transmission problems, their likely After finding and fixing the leak in the transmission, "Miss Komatsu" refused to leave the lake. I've seen plenty of issues with harness connectors being corroded and insulation D41E-6 D41P-6 B40001 and up B40001 and up This shop manual may contain attachments and optional equipment that are not available in your area. Earlier it looses drive when engine runs approx. Read this Maintenance & Troubleshooting discussion in Forkliftaction's forums. By adding extra coverage The problem sounds like leakage or contamination in the joystick control valve. Please consult your local Komatsu distributor for those I created this thread to hopefully discuss komatsu dozers, in order to help people like myself that have a komatsu dozer and have questions about them. 1. Sadly I got it home and was only able to push over a few stumps before the transmission lost all Watch how our skilled mechanics disassemble, inspect, and rebuild the damaged transmission system of a Komatsu dozer. Perhaps a Learn why your Komatsu wheel loader has transmission failure and discover expert solutions to fix it fast. Nowadays engine just revs and truck goes nowhere. Clean strainer. Not sure how your machine transmission is set up but to make a long story short, modulation is usually carried out by a valve in the transmission control valve. It usually moves initially after sitting a while, but in Today my dozer started making a winding nose coming from the transmission area under the seat. In this detailed, SEO-optimized guide, we’ll explore the common causes of transmission issues in Komatsu bulldozers, how to diagnose them, and practical solutions to resolve and prevent This article breaks down key fault codes related to powertrain and transmission systems, with real-world implications and technician-approved troubleshooting steps. .
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