How to Evaluate a 100-Ton Crane for Your Next Heavy Lift (A Practical Checklist)

Who This Checklist Is For

If you're in procurement or operations for a construction, mining, or utility company—and you've been asked to evaluate a 100-ton crane for an upcoming project—this is for you. I've been managing equipment purchases for a mid-sized contractor for about five years now, and I've learned that the quote with the lowest number isn't always the best deal. (Surprise, surprise.)

This checklist walks through 5 steps to help you compare options, avoid hidden costs, and end up with a crane that actually works for your site—not just on paper.

Step 1: Define Your Actual Load Requirements (Not Maximum Capacity)

It's tempting to think: “We need a 100-ton crane, so we'll look for a 100-ton crane.” That's pretty straightforward, right? Well, it's also where most people make their first mistake. The reality is more nuanced.

What to do:

• List the heaviest single lift you'll need to perform. Is it 80 tons? 75 tons? 90 tons?
• Check the load radius (i.e., how far from the crane's center the load will be lifted). This drastically reduces effective capacity.
• Factor in rigging weight, hook block, and any lifting attachments. That 75-ton piece of equipment might become an 80-ton lift once you add the shackles and slings.

From the outside, it looks like you just need to match the lift capacity. The reality is that a 100-ton crane at a 30-foot radius might only lift 60 tons safely. Always use the load chart for your specific boom length and radius. That chart (which, honestly, is worth printing out) will save you from ordering a crane that's too small—or paying for one that's unnecessarily large.

Quick insight: I compared quotes for a similar project last year—one vendor quoted a 100-ton crawler, another a 120-ton. The difference in price was only 12%, but the lift chart for the 120-ton gave us 25% more capacity at the same radius. That changed the decision completely.

Step 2: Calculate Total Cost of Ownership (Not Just the Rental Price)

People assume the lowest rental rate means the best value. What they don't see is all the hidden costs that can blow up your budget. (Ugh, we've all been there.)

Include in your comparison:

• Transportation and mobilization: How many trucks to move the crane? What about cranes that need partial disassembly? This can add $5,000–$15,000 depending on distance.
• Crew and operator costs: Is an operator included? Many contracts don't include the operator. You'll need a certified operator for a 100-ton crane.
• Insurance and permits: Oversize load permits, road closures, insurance waivers. Not huge individually, but they add up.
• Fuel and consumables: A 100-ton crane burns diesel. A lot. (Typically 5–8 gallons per hour under load.)
• Maintenance and downtime: Does the rental include onsite maintenance? If the crane breaks down, who pays for the idle crew?

One of my biggest regrets from earlier years: not asking about mobilization fees upfront. We'd been quoted a great daily rate for a crane from a new vendor, but by the time they added trucking (600 miles), a dedicated transport escort, and a weekend surcharge for the operator, our total cost was 40% higher than expected. (To be fair, that's on me for not checking.)

Rule of thumb: Ask for a total project quote that includes everything from delivery to pickup. That's the number you compare.

Step 3: Verify Service & Parts Support (This Is the One Everyone Ignores)

Here's the step most people skip: checking the service infrastructure. I get it—when you're focused on specs and price, the support network feels like a secondary concern. But trust me, it's not.

What to check:

• Does the dealer have a local parts depot? If a hydraulic hose blows mid-job, are parts available in 24 hours or 5 days?
• On-site service capability: If the crane has a breakdown, does the dealer send a service truck—or do you have to tow it to their shop?
• Operator familiarity with the model: Some cranes have unique controls or safety interlocks. If your operator has never run a Terex 100-ton crane before (for example, the Terex 100-ton all-terrain), factor in a training day.

Seeing a rush order vs. a standard order over a full year made me realize we were spending 20% more than necessary on situations where a part should have been pre-stocked. The right dealer partnership can save you that cost.

Concrete example: When we were evaluating for our 2024 site expansion, I compared quotes from three dealers. The lowest price was $2,000 less than the next—but their parts depot was 300 miles away, and their service response time was “48–72 hours typically.” The second-highest quote had a parts inventory within 50 miles and a guarantee of next-day service. That reliability was worth the premium for the project schedule.

Step 4: Consider New vs. Used vs. Rental (and the Trade-Offs)

It's tempting to think you should just buy a used crane to save money. But the simplification fallacy here is that used always equals lower cost. The real cost of a used crane includes reliability risk, potential reconditioning, and the fact that older models may have less capacity or shorter boom lengths for the same tonnage rating.

Quick comparison:

• New crane: Full warranty, latest safety features, best fuel efficiency. But highest upfront cost.
• Used crane (3–7 years old): Lower purchase price. But check maintenance records carefully. That mid-range hydraulic pump replacement is not cheap.
• Rental: Lowest risk and upfront cost. Great for short-term or one-off projects. But if you need it for 6+ months, rental rates add up quickly.

Honest advice: For a 100-ton crane that you'll use more than 6 months per year, leasing or financing a newer model might beat the total cost of repeated short-term rentals. But if your workload is seasonal, a rental gives you flexibility without a capital commitment.

I recommend new for critical continuous operations, but if you're dealing with a short peak-season project, a rental from a reputable dealer with a documented service history could be the smarter call.

Step 5: Negotiate the Contract (and Read the Fine Print)

This step sounds boring, but it's where things can go sideways. (Not that I've ever signed a contract with a surprise “fuel surcharge” clause. Ha.)

Key items to clarify:

• Liability for damage: Who pays if the crane is damaged on site? What about wear and tear vs. damage? Get this in writing.
• Right to substitution: If the exact model isn't available, can the dealer substitute a comparable crane? And who decides what's “comparable”?
• Termination clause: If the project wraps early, can you end the rental without penalty? Some contracts require a minimum rental period.
• Invoicing and documentation: Does the dealer provide detailed invoices with line items for all charges? Make sure they do—accounting will thank you.

When I compared our Q1 and Q2 results side by side—same vendor doing similar work, but different contract terms—I finally understood why the details matter so much. The contractor who couldn't provide proper invoicing cost us $2,400 in rejected expenses one quarter. That kind of loss is avoidable.

Common Mistakes to Avoid

A few things that I've learned the hard way:

• Don't skip the site survey. A crane's reach depends on more than its boom length—obstructions, ground conditions, power lines all matter. Have a qualified person walk the site before you finalize the crane choice.
• Don't ignore the operator. A good operator can make a 90-ton crane feel like a 100-ton crane (in terms of efficiency). A bad operator can damage the machine. Who's running it matters.
• Don't assume one size fits all. A 100-ton crane from one manufacturer might have a different load chart than another. For example, a Terex 100-ton rough-terrain crane might have a very different footprint and mobility than a Terex 100-ton all-terrain. The all-terrain is more mobile on highways; the rough-terrain is more stable on soft ground. Choose the configuration, not just the tonnage.

Final thought: The goal here is to match the crane to your specific job—not to fit your job to the crane you found on sale. The right evaluation process might take an extra day, but it saves weeks of headaches (and dollars) down the line. Honestly, I now run this checklist before any major equipment purchase. It's worth it.