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  1. P

    Cat rotary manifold

    Cat 213. Made in West Germany. I am in need of seals for the rotary manifold. Local Cat cannot help. I could have the seals custom made but would prefer a seal kit . So I hope someone can help with a part number or a step sibling machine. 3ZC0027. 5W0053. Thanks in advance.
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    Shaft seal leakage

    I am working on a Valmet( now Komastsu) 445exl. This machine has a three pad pump drive. One of the pumps is leaking hydraulic oil into the gear box and over filling it. All hydraulic function on the operate as normal. So I think it is likely just a pump shaft seal, but which one? I was...
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    Wiring Schematic

    I need some help once again with a wiring schematic. For a cat wheel loader KJP01095. Specifically I am dealing with a steering sensor. Thanks in advance.
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    Resolvers

    I am in need for some help again. I posted the TLB section but got no response , shop talk guys check out that thread if you would . I am at a lose. Another Cat resolver . Thanks in advance
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    Another Cat resolver issue

    Cat 420d fdp10924. This machine has lost boom lift , tilt and steering unless using a rear function at the same time. All the primary and secondary resolvers in the loader valve have been replaced. The last valve that operated properly in the order is the right stabilizer. The stabilizer valve...
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    Comebacks

    I build the engine in an AXY back in March. 3126b. Get the call that the oil pressure warning came on and engine lost power. Got it to shop. Plumbed in a manual guage . At idle cold have 40 psi and increasing with throttle. After the engine is warm , I hold the throttle down , watching good...
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    Cat transmission codes

    Looking to diagnose the issue with first gear slippage before removing the transmission. When attempting to operate machine in first gear , it will throw the slippage code and go into limp mode with only second gear. It also has output speed sensor codes. I need to know which two modulated...
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    Hoarder needs help

    I must make a confession, I am a Hoarder. Cat parts hoarder to be exact. Anyway I have a damaged axle housing that I would like to remove the planetary ring gear before scrapping. Any ideas on how to remove this gear? Prefix 525
  9. P

    Another one for the CAT gurus

    What is the inspection port at lower center of this block for it only had a cover plate and gasket. 3306 PC.
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    Cat 6.6 oil pressure issue.

    563c wheel buncher JCB00321. Oil pressure reads 34psi continuously, engine running or not. Found engine oil pushing into the plug, so I replaced the pressure sensor which changed nothing. Ohm tested the three wires to ecm plug all checked ok. Three wire sensor. I have 5volts supply voltage ...
  11. P

    SVL75-2

    I have an E-9004 code which says to replace dpf . Can't it just be cleaned? Then reset. Also does anyone know where to find the data port?
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    3126 with MUI

    Can any of you with access to sis tell what the injector timing/injector height would be for 55k11694 esn
  13. P

    3126 with MUI

    Can any of you with access to sis tell what the injector timing/injector height would be for 55k11694 esn
  14. P

    650K

    Dealing with an issue when the engine would abort parked regen and instruct to check active codes. 650K E273176 Active codes: 27 3 EGR position open or short 3251 4 DPF pressure short to ground 1569 31 engine derate active 3719 16 Filter soot level very high 111 18 Engine coolant level...
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    Ecu progressive damage?

    Cat wheel bumcher JCB00321. No crank from key switch. Operator has been jumping the solonoid at the starter with key switch for some time. Checked the key switch first and it is putting out voltage I'm start position. So I got.the wiring diagram to attempt to locate the starter relay...
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    Homemade Dynos

    I am always trying to come up with ways to check components after repair and before installation on the cheap. When I repair hydraulic pumps and motors I place gorilla tape over the inlet and outlet ports and manually turn the shaft, if it pulls and push the tape with nothing but air then I...
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    C27

    I have been tasked with reviving a C27 on a wood chipper after some years. The entire valley was full of wood chip compost and all the wires look horrible. I have got it spinning over good but no smoke yet. Rain came in and did not get to hook the diagnostics to see if ECU is even coming on ...
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    Cat symbols

    Can any of you CAT gurus tell what this symbol is?
  19. P

    Tool loaner programs

    Since this keeps coming up over and over here of late, I was thinking we should set up some kind of special tool share program with in the HEF. Currently I am need of magic wrench that I can wave over the machine so it can be repaired without buying any parts and very little labor. If anyone...
  20. P

    JD tier 4

    Engine will not Regen. Monitor states perform parked Regen. 1DW648LXLFF669024 Codes 3719.16 filter restriction 1569.31 derate 101.4 crank pressure sensor circuit fault 523219.4. Hvc valve power circuit fault 523541.5 HVU reverse alarm fault I feel like the 101.4 needs to be resolved to...
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