If you're looking at a John Deere 160 excavator for sale or trying to source John Deere L110 parts, here's the conclusion I came to after six years of managing equipment procurement: the sticker price is never the real cost.
Over the last six years, I've tracked about $180,000 in equipment and parts spending for a mid-sized contractor. The biggest budget overruns didn't come from the purchase itself. They came from the things people treat as afterthoughts: worn water pumps, no backup power for an outage, and last-minute part orders. Plan for the boring stuff. The machine is the exciting part. Owning it is the costly part.
I've also learned that what you buy becomes part of how clients judge you. A machine dripping coolant in a parking lot is not just a repair issue; it's an image problem. Quality shows, and so does the absence of it.
Why Listen to Me
I'm a procurement manager at a 30-person civil construction company. I manage the equipment and maintenance budget, and over the past six years I've watched about $180,000 flow through our cost tracking system. I've negotiated with more than 40 vendors, audited our invoices, and made my share of expensive mistakes.
In Q2 2024, we audited our equipment spending and found that 23% of our annual maintenance costs came from avoidable surprises: coolant leaks, emergency part shipments, and downtime from things we should have caught earlier. The conventional wisdom in procurement is to compare three quotes. My experience with hundreds of orders suggests that a steady relationship with a good dealer often beats saving 4% on a part. Put another way: a trusted dealer answers the phone at 7 p.m. when a water pump quits and your excavator is sitting in a customer's yard.
I also keep in mind that, per FTC guidelines (ftc.gov), performance claims need to be substantiated. That's a useful baseline when a dealer says a machine 'will run forever.' I'd rather see maintenance records.
Used John Deere 160 Excavator for Sale: Check the Water Pump
If you're shopping for a John Deere 160 excavator for sale, you'll check hours, undercarriage, and hydraulics. Add one more item to the walkaround: the water pump.
The water pump sits behind the fan and hides behind coolant lines, so it's easy to ignore. But it's critical. When a water pump fails, the engine stops cooling and a seemingly good excavator can overheat quickly.
So, how do you know if water pump is bad on a used machine? Look for these signs:
- Coolant stains on the pump housing or the weep hole, even a small dried drip.
- A whining or chirping bearing noise from the front of the engine, especially on a cold start.
- Overheating under moderate load after the radiator, fan clutch, and thermostat check out.
- A wobbly pulley that moves more than a few millimeters when you push on it.
I skipped this once. What I mean is, I didn't actually get low and look under the engine. The excavator looked clean and the seller said it ran fine. The first week in our fleet, the pump started leaking. The part was about $380, but the total invoice after labor, coolant, and the tow was $1,450. That purchase still performed okay, but the hidden repair ate most of the discount I had negotiated.
For a used 160 excavator, a $400 pump issue might not seem like a dealbreaker. But if the seller won't replace a cheap-ish wearable part, that tells you how the rest of the machine was maintained. I'd rather buy from someone who can show a paper trail for cooling system work.
John Deere L110 Parts: OEM vs. Aftermarket
Not all of our equipment is heavy iron. We also maintain a John Deere L110 for a few light jobs, and that means buying John Deere L110 parts on a regular schedule.
I have mixed feelings about aftermarket parts. Sometimes they're fine. Sometimes they're not, and you only find out after you've already lost time and labor.
For example, we tried an aftermarket mower belt and blade set for the L110. We saved about 17% compared to the OEM price. The belt fit. The blades didn't stay balanced and wore down after half a season. I had to reorder the OEM blades anyway, which made the initial savings disappear.
What I've settled on is this: for safety-related wear items like blades and belts, use John Deere L110 parts from the dealer. For filters and grease fittings, aftermarket is usually acceptable. That's been my experience. Your results may differ, but the logic is simple: if a part fails and causes damage or poor workmanship, the cheap option wasn't actually cheap.
Fire Drills, Power Outages, and the Honda Generator
'Fire drill' usually means an annoying exercise. In procurement, the fire drill is exactly when a weak system shows up. A power outage is a real fire drill, and it doesn't care whether you planned for it.
We had one in the winter of 2023. Our shop lost power during a storm, and we didn't have a generator. We had a fire drill scheduled that week, but I thought it was just an inconvenience. It wasn't. Battery chargers died, the fuel transfer pump wouldn't run, and the office went cold. We didn't lose equipment, but we lost a full afternoon of productivity and paid a premium for an emergency rental heater.
After that, we bought a Honda generator. I'm not a fanboy, and I can't say with absolute certainty that every Honda generator is the right choice for every site. What I can say is ours has started every time we've needed it for two years and has run for hours without a problem. The roughly $900 it cost us saved about $3,200 in that one storm, counting the rental heater and the lost labor. That is the kind of hidden cost I now put in every budget.
If your site depends on fuel pumps, charging batteries, or lighting for night work, a generator is not an extra. It's the same kind of insurance as a spare water pump.
How to Know If a Water Pump Is Bad Before It Stops the Job
Let's get specific, because 'how to know if water pump is bad' is one of those questions that only matters when it's already too late for a used excavator, a mower, or a generator. Here's the checklist I use:
- Visible coolant residue. Green or orange crust on the pump means a leak has been there for a while.
- Pulley play. If the pulley moves more than a little when you push it, the bearing is going.
- Temperature spikes. The gauge climbs higher than usual, even after a fresh thermostat and radiator cap.
- Noise that changes with RPM. A squeal or grinding from the front of the engine is not always a belt.
A failing water pump can kill an engine in roughly fifteen minutes. I'm not exaggerating. When it seizes, the coolant stops moving and the engine can crack a head. On a used 160 excavator, that is a $4,000 to $5,000 repair. A new water pump is usually $200 to $400. The gap between those numbers is the value of a ten-minute inspection.
Boundary Conditions
None of this is universal. If you're a solo owner-operator with one machine, your cost structure is different. You may not need the same generator we bought, and you may be comfortable with aftermarket parts for your L110. At least, that's been my experience in our climate and with our workload. I can't claim it will hold for every site.
I also don't believe every used John Deere 160 excavator for sale has issues. Many do not. The point is to check, not to assume.
The bottom line, if I have to give one: don't buy on sticker price alone. Add the cost of potential pump failures, emergency parts, lost labor, and the perception your equipment creates on a client's site. That is the real total cost of ownership. The machine itself is just the beginning.
And if you're literally practicing a fire drill while your water pump is leaking and your generator is out of gas, that's the perfect metaphor for why planning matters. But you probably didn't need me to tell you that.
