• Thank you for visiting HeavyEquipmentForums.com! Our objective is to provide industry professionals a place to gather to exchange questions, answers and ideas. We welcome you to register using the "Register" icon at the top of the page. We'd appreciate any help you can offer in spreading the word of our new site. The more members that join, the bigger resource for all to enjoy. Thank you!

Search results

  1. J

    A25c problem

    Thanks for the help much appreciated! The machine is away to work today but will be back tomorrow and get it checked We have removed the front driveshaft to the front axle and the problem has disappeared To me I think that the longitudinal diff is locked on causing the machine to fight with...
  2. J

    A25c problem

    I’m not sure if someone has doctored the contronics or if she never came out with one but it doesn’t seem to exist How is the trans retarder activated? Is there an easy way to check this?
  3. J

    A25c problem

    Nige, with machine off the ground both diffs have one wheel rotating foward and one backwards once spun my hand, once diff locks are engaged they both spin the same direction, once locks are disengaged they go back to previous, to me this would rule out that the diffs sticking? Also checked for...
  4. J

    A25c problem

    A25c 4x4 Sn 5350v9047
  5. J

    A25c problem

    Checked diffs again this afternoon with the machine lifted off the ground, everything working both with diffs on and off Coming to the conclusion that it’s the longitudinal diff lock is stuck on, getting a good air supply to it but is is a possibility that it’s stuck on? Is it spring returned...
  6. J

    A25c problem

    Otherwise oil was clean with no fillings or bits
  7. J

    A25c problem

    Opened front diff bung again this morning and found this
  8. J

    A25c problem

    Also lifted the machine off the ground with two excavators and drove it in all gears, all diffs seem to work as supposed to, no banging or unusual sounds
  9. J

    A25c problem

    Thanks for the reply’s, The machine usually works in a clay environment but has been working in a quarry lately which has really brought the problem to light due to the better traction Tyres all correct size, nothing bent or twisted Prop shafts all straight and all hardy splicers are tight...
  10. J

    A25c problem

    Have a rare 4x4 a25c that has been working in a quarry, has recently developed a problem where it starts to bounce uncontrollably when it gets into the higher gears, you can also notice the machine making this motion in first and second but would throw you from the seat when you get up to speed...
Top