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  1. Mobiltech

    Cat 980M high engine oil consumption

    Has anyone seen complaints of high oil consumption on c13 engines in cat 980 or other equipment with the c13? Serial prefix MGD.
  2. Mobiltech

    980K low power.

    We have a 980K sn W7K02194 that has been complained about as having low power. All filters have been serviced and turbo inspected. There are no active codes and no active events. Emissions system is not a problem on this machine. I hooked up Et and this is what it's showing for status. I am...
  3. Mobiltech

    Cat parts oddities.

    Sometimes I run into Cat part numbers that make me wonder wtf. On a c15 or 3406E injector sleeve some use a 1662903 seal in the top groove 1662904 seal in second groove 9x7430 seal in bottom groove While others use a1662904 in both upper grooves. To me the 1662904 looks like a coolant only...
  4. Mobiltech

    MVP switch location

    I have a D6R serial prefix WRG that has an active code for the mvp switch. Problem is i can't find the switch and the manual is no help. Does anybody have a location for it ?
  5. Mobiltech

    John Deere 850j track tensioner

    We have an 850J that the track tension cylinder has rolled over on and cant access the grease fittings. What causes this and what has to be done to fix it? 850J - DOZER, CRAWLER. 850JXVBD200480
  6. Mobiltech

    Kawasaki 95ZV joystick steering

    Im working on a kawasaki 95zv that has a left hand flip down armrest with joystick steering that takes over from the steering wheel. The problem is that the joystick doesnt work. The green light comes on when you activate the rocker switch but thats it. Serial number is 97c4 5268. Anyone have...
  7. Mobiltech

    Cat 160m hydraulic surge

    I dont know if this has been covered yet on hef. I have a 160m B9E00800 that has a slow pulsing surge in the hydraulic system. All functions are affected. If you feather it just right it will smooth out but the harder you push it the more it surges. Gauge on main port shows pulsing of 1000 psi...
  8. Mobiltech

    Looking for piston pump

    Im looking for a saw pump for a 541 cat buncher but the local dealer is saying its hard to come by. I know its not an excavator but it shares some dna. Heres a pic of the part tag. Serial number F7d00233
  9. Mobiltech

    Cat 320c final drive ratio

    Does anyone know what the final frive ratio is on a 320c pab serial number prefix. Thinking about building a gear reduction system and wondered what the final output would be .
  10. Mobiltech

    Case 521D no 4th gear

    I have a 521D that wont go above 3rd gear .Dash shows number 4 in middle but only 3 dashes on right side light up. This loader is new to me so im wondering if its just programmed to limit 3rd only. Any input on this would be great . Serial number jee01417xx
  11. Mobiltech

    JD 310 SG backhoe control

    I have a 310 sg that the hoe controls won't work on. Outrigger and extendahoe works just no stick boom bucket or swing. The seat switch tests OK at seat. I would like to find a schematic for this or get some input on what to look for. Serial number is To310sg956193
  12. Mobiltech

    Cat 420D fuel injection pump

    I'm working on a Cat 420D loader serial number FDP with a Delphi fuel pump. I was wondering if there is an easy way to bump up the fuel settings for a little more power. Fuel pressure is good , boost does come up ok if you can get the rpm up but it is doggy getting there. no black smoke ever.
  13. Mobiltech

    Looking for 3304 di for parts

    I have the opportunity to buy a 950e cat loader that has a rod through the block. I am having trouble finding a used 3304 di to get a block and crank out of. Does anybody have any ideas on where to find one? Hopefully in western Canada but could ship from the US.
  14. Mobiltech

    631E Transmission rebuild

    Does anyone have a flat rate of the hours required to rebearing reseal a transmission and transfer case in a 631E scraper serial number prefix 1AB .
  15. Mobiltech

    Cat D8R internal trans case line cracked

    I have a D8R 7XM serial number with a cracked tube for torque converter inlet supply oil. I was wondering if anyone has an idea how to repair or replace the internal tubes. It can't be welded where it is. The Crack is against the case side.
  16. Mobiltech

    Cat 416B backhoe Axle width

    I need to know how wide a 416 b is at the rear wheels. I have an 84 inch wide between the fenders trailer and wondered if a 416B would fit on the deck. Ritchie specs says 7ft 4 in but is that at the wheels or stabilizers. Thanks for any input.
  17. Mobiltech

    case 1845c hydrostatic testing

    I am working on an 1845c that Won't move and I could sure use some help on troubleshooting it. It's full of hyd oil and it has 100 psi supply pressure coming into large center hose on the right side of the hydrostatic pumps. How do I test the charge pump pressure? Does anyone have info on...
  18. Mobiltech

    735 Cat rock truck vibration

    I am working on a 735 Sn AWR00710. It has a heavy vibration in the engine or trans that is very noticeable even without moving the machine. It does it torque stalled too. It's not the cooling fan. It changes with engine speed and can be felt at idle too. Anyone ever run into this on a 735? It...
  19. Mobiltech

    Reasealing Atlas Crane

    I have an Atlas 3006 knuckle boom crane Serial number Z5441 1979 model year that needs the cylinders resealed. I talked to my local hydraulics guys and they said take it apart and bring them the seals to match up. I really don't want to have the crane down while I wait to order seals so I was...
  20. Mobiltech

    Looking for all in one scan tool

    Hi. This is a great site , tons of information and so many topics covered. I find myself getting pretty hooked on checking it to see whats new. I have Cat ET which is great for Cat equipment and that is what I work on the most. I am starting to get into some John Deere and other brands and I...
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