Cat 320 excavator problems by generation, 320D to 320 GC
A Cat 320 from the 320F L on can derate on a DEF fault; EPA’s 2025 guidance allows 36 hours at full power first, if Caterpillar releases an update.
Articles
How Many Hours Is Too Many for a Mid-Size Excavator?
Mid-size excavator hours count use, not wear. Cat says undercarriage typically averages 50% of owning and operating cost; measure it before you bid.
Excavator One Track Not Moving? Avoid Costly Guesswork
One excavator track won’t move? Write down five details first, then see why pressure work belongs to a dealer technician.
Excavator Hydraulics Slow When Hot? Test Before Buying a Pump
Hydraulics slowing on a hot excavator? Cat’s 320 manual treats hot hydraulic oil as a Category 3 warning: stop the engine, check level and cooler.
Why your excavator won’t move, and the wrong fixes to skip
An excavator that won’t move may just have its lock set: on Cat minis lever up means locked, while one 1990 machine locked with the lever down.
Cat Excavator Fault Codes: What Each Number Tells You
Cat code meanings sit in paid troubleshooting guides, while the operator manuals that set Warning Category 3 as a shutdown are free in SIS2GO.
Komatsu Excavator Error Codes When the Machine Is Down
Komatsu excavator error codes come in layers. Which one you read first decides whether you park it, finish the shift or call the dealer.
Excavator size guide by class, with rental and hourly costs
Excavator classes by weight start with a naming trap: Cat’s 320 GC lists 48,500 lb, or 24.25 US short tons. Depths and costs follow class by class.
Clear Steps for a Contractor to Raise Equipment Rates
Raising contractor equipment rates starts with two buckets: ownership cost that runs while a machine sits, and operating cost that rises with hours.
Is Sharing Prices With Competitors Illegal for Equipment Owners?
Sharing prices with competitors is not automatically illegal, but a 1969 Supreme Court case shows how swapping recent quotes crossed the line.
