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  1. 6

    Cat 330cl hydro pump failure I need help

    cat0330cvdky00377 Back story (I was not involved with the work)... Machine was wining (cavitation) bad at all times (low or high RPM, loaded or no load). Pump was pulled and got new barrels and pistons and resealed, no change. Called in the cat house and mechanic made some piping changes (from...
  2. 6

    Cylinder Head for Cat 305CR

    I'm looking for a cylinder head for a Mitsubishi K4N (crack in combustion chamber not repairable), Cat part # 246-3071. Was quoted $1800 for a bear casting from Cat. Was wondering if someone may know of another source (it seems like a high price for that 4 hole head).
  3. 6

    93 mack e7 camshaft timing

    This maybe the dumb question of the year.... but here it goes! I have been avoiding working on this mack for years but finally got shamed into trying to sort it out. It has a long history of not running right and smoking like crazy (white fuel). The owner asked me to pull injectors and have...
  4. 6

    Bobcat Hydraulic fluid foaming and coming out breather cap

    Just what the title say's "Hydraulic fluid foaming and coming out breather cap". It's a T250 Bobcat serial # 525613153. I plan on starting with a hydro filter and fluid change but think it may be more complicated than that. It foams with drive motors or lift functions should I look for air leak...
  5. 6

    Cross shaft

    I,m looking at a 1999 mack RD688S and the cross shaft runs under the clutch throw out bearing (so no way to grease it) is this normal or is it possible it was put in up side down? vin # 1M2P270C5XMO39743 with eaton fuller 8 speed model RTOF14908LL
  6. 6

    Cat 277b Aux hylraulics running slow

    Hello all, I'm tring to figure out a slow aux. hyro problem, serial # MDH00903 with standard pump (no high flow). I have 7.9 vdc between pins 1 and 2 on right joystick 12 pin connector and have 53.3% in neutral on pin 3 going smoothly between 56.9% to 43.0% with thumb wheel. All other hydro...
  7. 6

    Cat ASV undercarriage

    I,m working on a cat 277B serial # MDH00903 that has some bad idler shafts and wheels. The machine was used to load salt for a few years so is a joy to work on and have a few questions. First, I do not have a parts break down and with all the corrosion I,m working on it blind. Second, I.m...
  8. 6

    Air Dryer problem?

    I lost my cool yesterday and started throwing parts at a problem. Started out with truck wouldn't build air above 80psi, found leaks in compressor discharge line (not the easy braided steel line off the head but the pia line from it to dryer mounted behind cab). Replace line and building air...
  9. 6

    bobcat t630 actuator and control valve

    I am trying to reseal the control valve on a t630 and can't get the actuators off. When I took the cap screws out and pull the actuator forward the connecting pin is blocked by the housing from being able to push through.
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