423-S62-4330 Construction Machinery AC Compressor: What You Need to Know
1. What This Compressor Is All About
The 423-S62-4330 is a tough, easy-to-fit AC compressor made just for construction gear-it's the go-to replacement part for fixing your machine's AC system. It uses the super common SD7H13 design (the industry standard) and works with R134a refrigerant (the eco-friendly kind). The best part? It cools steadily, can handle rough use, doesn't care about harsh environments, and lasts forever. If your machine's AC is weak, takes forever to cool, guzzles power, or breaks all the time-this fixes that. It's made to exactly match your machine's original size, so you can swap it in without any mods. Perfect for dusty, shakey jobs like construction sites, mines, or road building-total workhorse for AC repairs.
2. Which Machines It Fits
We've tweaked this compressor to fit perfectly with tons of mainstream construction gear. The holes line up, it fits snuggly, and you can install it right where the old one was-no drilling, rewiring, or sanding needed. Here's the list of machines it works with:
Excavators: PC60-8, PC70-8
Loaders: WA150-6, WA250-6, WA320-6, WA450-6, WA470-6, WA380Z-6
Dump trucks: HD785-5, HD785-7
Also replaces parts like LC91V00002F2-works for both old and new machines, even across different models!
3. Why This Compressor Is Great
3.1 Cools Fast, No Fuss
We upgraded the SD7H13 piston design, so it compresses way better. Turn on the AC, and it kicks into gear right away-cools the cab down quick. No weird hot-cold spikes, no sudden stops, no weak cooling. Perfect for working outside in the heat-keeps the operator comfy.
3.2 Tough as Nails for Rough Jobs
The main part is made of super strong alloy, forged and treated to be extra tough. It can handle shaking, dust, extreme heat, and rust like a champ. We even optimized it for mines and construction sites (you know, the really messy, bumpy places). No jamming, no weird noises, no wearing out fast, no refrigerant leaks. Means fewer AC breakdowns, less time fixing it, and less money spent on repairs.
3.3 Installs in a Snap
We built it exactly to match your machine's specs-pipes, mounting holes, size, even the electrical stuff all line up. Just take out the old one and pop this in-no tweaks needed. Saves time on repairs, and you won't have issues like misaligned parts, bad seals, noisy operation, or refrigerant leaks. Super easy to use, works with lots of machines.
3.4 Saves Power, Runs Quiet
Inside, it's got fancy seals and a smart design that cuts down on resistance. Uses less power than regular compressors, and runs super quiet with barely any vibration. Cools steadily without overworking or turning on/off nonstop. The seals are top-notch, so no refrigerant leaks or weak cooling over time. Lasts forever, and gives you more bang for your buck.
4. Quick Specs
Model: 423-S62-4330
Refrigerant: R134a (eco-friendly)
Type: SD7H13 7-cylinder piston compressor
Fits: Excavators, loaders, dump trucks, etc.
Installation: Pop it in directly-no mods needed
5. Tips for Installing & Using
Before installing, clean the AC pipes thoroughly-no dust, oil, or gunk left. If stuff gets inside, it'll jam or wear out the compressor fast.
Use the right refrigerant and AC oil, and add exactly the amount your machine needs. Too much or too little? The AC won't work, or the compressor might break.
After installing, check for leaks! Only turn it on if there's no refrigerant seeping out.
Don't run the AC nonstop at max power, and don't turn it on/off super often. Check the AC pressure regularly to make it last longer.
This is only for construction machinery-don't try to put it on other types of equipment!
6. Warranty & Quality
Every 423-S62-4330 gets tested like crazy before it leaves the factory-pressure tests, seal checks, even aging tests. It's solid and reliable. If it breaks from normal use (not from you messing it up), we'll cover it under warranty. It's well-made, fits tons of machines, and lasts forever-total value for money when you need to fix your AC.







