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cat

  1. S

    Cat 924H Heater issue

    Hello! I purchased a used 2009 Cat 924H loader which has around 6,000 hours on it. I'm using it to push snow this winter. We used it for the first time on Thursday/Friday and everything worked perfectly. I shut it off that night, shut the master off, and plugged the block heater in. Saturday I...
  2. Cory W

    Cat 3306B Power Loss/Stalling

    Hello! I've got a 1989 Ford L9000 dump truck with a Cat 3306B engine in it. While I was running up through the gears the other day, the engine just stopped pulling. It didn't quit outright, but wouldn't accelerate no matter the throttle position. I pulled over and parked, and the engine then...
    • Cory W
    • Thread
    • cat engine l9000 stall
    • Replies: 75
    • Forum: Trucks
  3. N

    Cat 246c 2 speed not working

    I just got a 2010 cat 246c 2 speed. When i flip aux7 switch to rabbit mode nothing happens. I get no light on the gauge cluster. I looked in the fuse panel behind the seat and could not find a fuse for rabbit mode. Any suggestions on what to do? Thanks
  4. J

    416c transmission

    I have a early 2000 model cat backhoe that all of a sudden will slip out of gear, either in forward or reverse. it'll go a few feet then stop. I changed all the filters and made sure it has plenty of hyd fluid but it didn't help.
  5. H

    Boom Cylinder Extends But Will Not Retract

    Cat 304CR (NAD00987) I've got a boom cylinder that will extend but will not retract. In other words, boom goes up but won't come down. When I try to boom down, I hear noise from the relief valve, but the cylinder only moves about 1/4". I don't have a way to test flow, but I have adequate...
    • Howey Matt
    • Thread
    • 304 304c 304cr boom boom cylinder cat caterpillar cylinder excavator relief valve
    • Replies: 34
    • Forum: Compact Excavators
  6. J

    90s Model Caterpillar 966E

    Hi! Please redirect me to the correct thread if this is the wrong thread, but I figured I'd start here. I'm looking to source/rent a moveable 90s-era CAT 966E (open to other models) near/around Dallas, TX for a commercial being produced on November 16th. The production company would also pay...
  7. C

    CAT 336f AC capacity

    Hi guys, I got a 336f coming to the shop for an AC charge and can't find the equipment R134a capacity, also the the local dealer isn't giving me an answer. Does anyone knows this machine AC capacity? Thanks
    • cb500
    • Thread
    • 336f ac capacity cat
    • Replies: 6
    • Forum: Excavators
  8. H

    How to Determine Spool Orientation in Hydraulic Valve (Rebuilding Main Control Valve)

    I'm rebuilding the main control valve in my Cat 304CR (NAD00987) and I'm having trouble determining which way to install the spools. Some of the spools look like they're the same on each end -- others are clearly meant to be installed in a particular orientation. All of the spools have a...
  9. A

    Cat 953

    Hey everyone, just looking for a little more insight. I’m looking at buying a Cat 953 track loader (78y01192)to clean up around the farm. I have little knowledge in this field and I have had extreme difficulty finding anything about these machines on the internet. What year model is this? And is...
  10. M

    Cat 977L

    Hey guys, My 977L now has a right final drive leak that has gotten significantly worse over night. It’s had a minor leak that’s gotten worse and I believe from looking at the sprocket and measuring both sides, I think the preload is loose, and the sprocket is slightly cock eyed. Does anyone...
  11. R

    299D3 XE: catalyst reagent concentration low

    New 299D3 owner, new to DEF. Received 3516-18 code, “Catalyst Reagent Concentration Low-Moderate Severity” just received my machine (used, 2020). I know it’s been mosty sitting for at least 6 months, so plausible that the DEF has deteriorated in the tank. DEF level shows >50% on the gauge...
  12. C

    CAT 277C No Right Stick Controls - Driver Warning Light Flashing, no Alarm (USMC Equipment)

    Trying to diagnose a Marine Corps skid loader. Driving controls work, bucket controls (right stick) do not, and tool controls (auxiliary controls) seem to work. The driver warning light is flashing, there is no alarm/buzzer. The battalion has a CAT computer but it's out of date so we can't read...
  13. H

    How to bleed air from hydraulic system? - CAT 304

    Hi all, I'm starting a new thread for this issue. The original issue resulted in me removing the main control valve, cleaning it up, and installing new seals: https://www.heavyequipmentforums.com/threads/final-drive-motor-on-one-side-bogging-down-engine-cat-304cr.95940/ It's a 2004 Cat 304cr...
  14. S

    963 loader- 18Z track loader got a few questions

    Ok y’all, new guy here. I’ve got a 963 loader, 18Z serial number. Couple of things I need to know. 1- the splitter box. What’s all in there. Fluid level is fine. Doesn’t gain or lose fluid. But the dipstick does show signs of something either wearing, or dirty. What all is inside the...
  15. S

    Cat 226b skidsteer, parking brake and seatbelt lights on (not flashing)

    I have a cat 226b skidsteer and after doing some work I turned it off but when I went to fire it up, it wouldn't start, I noticed the seat belt light won't turn off when I put the bar down. Note: the seatbelt light is not flashing it stays illuminated.
  16. R

    CAT excavator CANbus location

    Hello! Does anyone know where to find the CANBUS location on a CAT 320D/320D2L year 2013, also Caterpillar 416E/F2; I have to install a contactless canbus reader (CANcrocoLITE from Technoton) using a device called "Mastercan Tool Lite", I tried several twisted pair (green/yellow, green/brown) of...
  17. Aleš Tomažič

    Caterpillar M315 strange engine noise

    Hi to you all, i have one question about engine noise coming from excavator. I'm in process of purchasing an old 1999 Caterpillar M315 with cat c4.4 engine, and after testing it, everything works great, hydraulic is strong, but engine is having strong very loud whistling (chaining) noise, which...
  18. C

    Cat excavator322c

    Hi everyone need help my excavator was flashing up ECM engine error and missing a bit so stop went back to start it few days later now just winds over but will not fire any help would be great
  19. H

    Final Drive Motor on One Side Bogging Down Engine - Cat 304cr

    I just replaced both final drives on this machine. It solved my issue on one side (caused by a failed final drive) but I'm still having a problem with the other side. Basically, when I engage the final drive on that side, the engine bogs down and the hydraulic pump whines like it's under...
  20. Quki22

    Cat 277c TPS Calibration Issue

    I have been following several of the TPS threads but have not found a resolution to a recalibration issue. I took my 2008 cat 277c JWF01714 to the local cat dealer for the travel speed slowing to a stop. I provided them the service bulletin regarding this known TPS issue and for what ever reason...
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