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I'm considering buying a John Deere 770 grader with an unknown year and 11,000 hours showing on the meter. The engine reportedly had a connecting rod failure, but it starts well when hot or cold, with slight blow-by and no unusual noises. Could the hour meter be accurate, and what should I check...

Has anyone operated a scraper equipped with a rolling push block? I saw a new design at CONEXPO and would love to hear how smoothly it works on-site, especially during pushing and loading operations.

I recently bought a used paver and need to release the hydraulic pressure on the conveyor drag chain tensioner. The system pressurizes when the engine starts. Does anyone know the correct procedure for safely releasing the pressure?

My 1976 Terex S7 scraper with a Detroit 471 engine overheated recently. Now the coolant keeps disappearing, and the engine oil has white slime. I also drained 2-3 litres of coolant from the oil pan. Could a head gasket, a cracked head, or another engine problem be causing this?

My Case 580C has a new battery and starter but won’t crank. I hear one click when turning the key, then nothing until I disconnect and reconnect the battery. Could a starter solenoid, ignition switch, or safety switch be causing this Case 580C no-start issue?

My Komatsu D37EX-21A starts and the blade works, but the dozer has no travel at all. It shows a DAFRKR E03 communication error, while the HST controller, instrument cluster, wiring harness, powers, grounds, and 120-ohm resistors have been checked or replaced. What else should I check for this...

I need to replace the brake band on a John Deere 400G. Can it be accessed through the topside cover, or does the final drive need to be removed?

I'm tired of replacing the rubber straps on my CAT 140H steps. Has anyone tried using CAT 140G cable steps on a 140H, and do they fit properly?

Our Volvo A35D loses rear brake pressure after a few hours of work. Revving the engine brings the pressure back up, while the front brakes hold pressure fine. What should I check first?

My Cat 950G wheel loader has weak power when lifting a loaded bucket. The HEUI pump was replaced, and the injectors are being checked. Could the torque converter or magnetic screen also be causing the problem?

The left screed heater and extension heater on my Weiler P385B are not working. Does anyone know what voltage the generator supplies to the heaters? Any help would be appreciated.

I'm looking into lift options for servicing large wheel loaders and wanted to hear what others are using. What type of lift do you find works best for handling the weight, clearance, and maintenance needs of larger loaders? Have you found any specific brands or lift systems that offer the best...

For those who have bought equipment through Boom & Bucket, what's been your best purchase so far? Was it an excavator, skid steer, dozer, loader, or something else? I'm curious to hear what machines have worked out well for people and whether you'd buy through Boom & Bucket again. Let's hear...

I'm having a starting issue with my CAT 966C. The starter stayed engaged while the machine was running, so I replaced it. Now, every time I try to start the loader, it trips the 40-amp breaker. I've checked some wiring and connections but haven't found the problem yet. Has anyone dealt with...

Hi, I'm looking into adding a crane to our fleet and comparing financing versus leasing options. For those who have gone through the process, what factors helped you decide between the two? Have you found leasing to be more cost-effective and flexible, or did financing make more sense in the...

I'm working on a Komatsu WB140-2N with a Yanmar S4D106-1FH engine, and I'm completely stuck on a head gasket problem. The machine runs and drives great, but after a few hours of use, the head gasket blows again - always on the same 3 cylinders. Has anyone here dealt with repeated head gasket...

Does anybody else spend way more time browsing Boom & Bucket listings than they planned to? Some really clean excavators, skid steers, and trucks have been showing up lately.

After about 40 minutes of operation, the hydraulic tank starts overflowing, and the hydraulics slow way down. When the machine is cold, everything works normally at first. I'm running out of ideas.

I'm working on a Komatsu D21E-6 and the left steering clutch seems to be stuck. The machine will not turn left at all. If the clutch has to be removed, does the sprocket need to come off too? The dozer still moves, just won't steer properly on the left side.

I am hoping someone here has seen this before. Static pressure looks normal around 85 psi, but once the compressor kicks on, the low side drops into a vacuum, and the high side only gets to about 100 psi. The drier outlet and evaporator inlet also get really frosty. So far, I've changed the...