Excavator
4 photosCaterpillar · Excavators
CAT 340 Large Excavator
The CAT 340 has an operating weight of 83,100 lb and a 346 hp engine, with a maximum dig depth of 26.6 ft.
Updated October 2026
346 HP83,100 lbsLarge ClassEst. $229,000 – $405,000
How much is a used CAT 340 worth?
HeavyDutyYard estimates a used CAT 340 at $229,000–$405,000, a range checked against public auction results and dealer asks. 2 auction results for the CAT 340 ranged from $321,200 to $389,400; 9 dealer asks ran $229,900–$405,000.
HeavyDutyYard estimate, checked against recent sales
$229,000–$405,000
USD
Range checked against public auction results and dealer asks; see recent sales below.
Own a CAT 340 Large Excavator? Get an offer or list it free →
CAT 340 price: recent sales and asking prices
2 auction results for the CAT 340 ranged from $321,200 to $389,400; 9 dealer asks ran $229,900–$405,000. Auction prices are hammer results; asking prices are what dealers listed, not what units sold for. Each row links to the page we took it from.
| Date | Year | Hours | Price | Type | Venue / variant | State | Source |
|---|---|---|---|---|---|---|---|
| Jun 2025 | 2024 | 27 | $389,400 | Sold | Purple Wave online auction, Gaston, SC340 | SC | purplewave.com |
| Jun 2025 | 2023 | 1,856 | $321,200 | Sold | Purple Wave online auction, Gaston, SC340 | SC | purplewave.com |
| Oct 2026listing viewed | 2022 | 3,029 | $239,900 | Asking | Blanchard Machinery Company dealer listing (Machinery Trader)340 | SC | machinerytrader.com |
| Oct 2026listing viewed | 2023 | 3,615 | $296,000 | Asking | Carter Machinery dealer listing (Machinery Trader)340 | VA | machinerytrader.com |
| Oct 2026listing viewed | 2024 | 3,172 | $279,000 | Asking | OHIO CAT dealer listing (Machinery Trader)340 | OH | machinerytrader.com |
| Oct 2026listing viewed | 2022 | 4,859 | $290,000 | Asking | Ziegler Cat dealer listing (Machinery Trader)340 | IA | machinerytrader.com |
| Oct 2026listing viewed | 2023 | 3,109 | $229,900 | Asking | Kelly Tractor Co. dealer listing (Machinery Trader)340 | FL | machinerytrader.com |
| Oct 2026listing viewed | 2024 | 3,760 | $245,000 | Asking | Snider Equipment, LLC dealer listing (Machinery Trader)340 | TN | machinerytrader.com |
| Oct 2026listing viewed | 2025 | 2,600 | $339,500 | Asking | Wyatt Heavy Equipment dealer listing (Machinery Trader)340 | VA | machinerytrader.com |
| Oct 2026listing viewed | 2025 | 2,389 | $314,000 | Asking | GMW JCB dealer listing (Machinery Trader)340 | TX | machinerytrader.com |
| Oct 2026listing viewed | 2024 | 4,207 | $405,000 | Asking | Thompson Tractor Co.,Inc dealer listing (Machinery Trader)340 | AL | machinerytrader.com |
Collected Oct 2026. A dash means the source didn't show that detail. Prices in USD.
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8 photosAbout the CAT 340 Large Excavator
The CAT 340 Large Excavator is a full-size excavator. Versions you'll see on the used market include the 340F, 340 Next Gen.
Owners mostly put it to work on excavation, demolition, quarrying.
Specifications
Engine & Power
- Engine
- Cat C9 ACERT
- Horsepower
- 346 HP
- Fuel Tank
- 158.5 gal
Dimensions & Weight
- Operating Weight
- 83100 lbs
Performance
- Max Dig Depth
- 26.6 ft
- Max Reach
- 38.5 ft
- Bucket Capacity
- 3.08 cu yd
- Tail Swing
- Standard
Configuration
- Size Class
- Large
Weight, power, and capacity figures checked October 2026 against 340 (next gen). Older or newer generations of this model may differ.
Model Generations
340F340 Next Gen
Common Applications
- Excavation
- Demolition
- Quarrying
- Mining
Popular Attachments
Hydraulic ThumbQuick CouplerHammer
Common Configurations
Standard BoomLong ReachVariable Angle Boom
How It Compares
| Spec | CAT 340 Large Excavator | Komatsu PC360LC-11 Large Excavator | Volvo EC380 Large Excavator |
|---|---|---|---|
| Engine HP | 346 HP | 257 HP | 303 HP |
| Op. Weight | 83,100 lbs | 80,547 lbs | 83,330 lbs |
| Max Dig Depth | 26.6 | 25.8 | 22.3 |
| Est. Price Low | $229,000 | $240,000 | $275,000 |
| Est. Price High | $405,000 | $400,000 | $560,000 |
Against the Komatsu PC360, the CAT 340 is 2,553 lb heavier, has 89 more hp and has 0.8 ft more max dig depth.
Against the Volvo EC380, the CAT 340 is 230 lb lighter, has 43 more hp and has 4.3 ft more max dig depth.
Frequently Asked Questions
How much does the CAT 340 weigh?
The CAT 340 has an operating weight of 83,100 lb and a 346 hp engine. Cab, counterweight, tracks, and attachments can move the real weight of a given unit up or down from this spec figure, so check the serial plate or the OEM spec sheet for the exact build before booking transport.
How much is a used CAT 340 worth?
HeavyDutyYard estimates a used CAT 340 at $229,000–$405,000, a range checked against public auction results and dealer asks. 2 auction results for the CAT 340 ranged from $321,200 to $389,400; 9 dealer asks ran $229,900–$405,000.
Where can I sell my CAT 340?
Send HeavyDutyYard the year, hours, and condition of your CAT 340 and we reply within one business day. We make cash offers on some machines; otherwise we list yours free on the HeavyDutyYard marketplace, where we review every listing and screen buyer messages before they reach you. Transport is coordinated when we buy.
What is the CAT 340 used for?
The CAT 340 Large Excavator is commonly used for excavation, demolition, quarrying, mining.