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I bought a hydraulic quick coupler for a Kobelco SK135, but it has three hydraulic lines instead of two. Has anyone installed a three-line coupler and can explain how the lines should be connected?

I have a CAT 140G with a badly worn moldboard around the cutting-edge bolt holes. What's the best way to repair it? The machine also has low power and stalls under load. Where should I start?

A PCV reroute can definitely help reduce oil buildup in the intake and intercooler.

My Hitachi ZX60 runs fine when it's cold, but after about an hour of work, it gets hot and loses hydraulic power. The boom, swing, and tracks all become weak. I already cleaned the radiator and hydraulic cooler, and the engine temperature seems normal. Any ideas on what I should check?

Sounds like you've got a return-side restriction or blocked flow somewhere-I'd trace the return circuit next.

My Cat 160M has a slow hydraulic surge that affects every function. It gets smoother if I feather the controls, but the harder I operate it, the worse the surging gets. Has anyone dealt with this before? Could it be the pump compensator?

My 1976-77 Caterpillar 613 is leaking transmission oil into the bell housing, and it comes out near the starter under heavy load. Has anyone had this problem? What was the cause?

A hydraulic thumb has been the best investment for me. It made loading logs, rocks, and debris much faster and cut down on manual work.

I'm troubleshooting a 1994 John Deere 690 ELC that keeps getting air in the fuel system. I've already replaced the water separator, lift pump, fuel lines, and glass fuel filter. The machine runs fine for about 20 minutes, then loses power, stalls, and won't restart until I reprime the fuel...

I'm working on a Volvo L50F loader that originally had a charging problem after the alternator was replaced. I found two wires crossed on the alternator and replaced the blown fuses. It charged after powering the excite wire, but now the machine won't start. Fuse #46 blows as soon as the key is...

I'm planning to move about 25,000 cubic yards over a 1,000-foot haul on mostly loam soil with no rock. I'm trying to decide between using a motor scraper or a pull scraper with a tractor. I'd appreciate any advice on which option would be more efficient.

I'm having trouble with the right steering clutch on my 1984 Fiat-Allis FD5 dozer. The machine doesn't steer properly to the right, and I'm trying to figure out what's causing the problem. Any troubleshooting tips or repair advice would be appreciated.

Charge pressure at the filter is around 308 PSI, and the other clutch pressures are about 297 PSI, but both the high and low range circuits are only reading around 112 PSI. We tested at the solenoid-controlled high/low range valve and the pressures are roughly 190 PSI lower than charge pressure...

My Cat 928G wheel loader is randomly shifting into neutral while driving. There are no warning lights or fault codes, and the issue comes and goes without warning. Has anyone dealt with this before? Looking for ideas on what to check first.

For us, the biggest challenge wasn't the software-it was getting everyone to use it consistently. Good training and accurate data made all the difference. Once everyone got on board, maintenance tracking, equipment utilization, and fuel monitoring improved a lot. If I could do it again, I'd...

My Yale GLP030 was running rough on cold starts, so I cleaned some corrosion from the distributor cap and rotor. After putting everything back together, it now cranks but won't start and occasionally backfires. I'm wondering if I may have mixed up a plug wire or have the firing order wrong. I...

Securing a log load is an art form as much as it is a science. When you're dealing with the shifting weight of timber, there is zero room for error-both for your safety

You're not wrong - it's just a totally different role compared to what you're used to on excavators.

Looking for advice on a 2007 JS160 excavator that suddenly stopped working. The machine was running fine the day before, but now it's showing multiple warning codes on the monitor and has no idle up. We've checked the basics but haven't found the issue yet. Has anyone dealt with something similar?