
Caterpillar · Excavators
CAT 310 Small Excavator
The CAT 310 has an operating weight of 22,447 lb and a 70.3 hp engine, with a maximum dig depth of 17.1 ft.
Updated October 2026

How much is a used CAT 310 worth?
HeavyDutyYard estimates a used CAT 310 at $55,000–$161,000, a range checked against public auction results and dealer asks. 9 auction results for the CAT 310 ranged from $55,000 to $102,500; 8 dealer asks ran $75,900–$160,770.
Range checked against public auction results and dealer asks; see recent sales below.
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CAT 310 price: recent sales and asking prices
9 auction results for the CAT 310 ranged from $55,000 to $102,500; 8 dealer asks ran $75,900–$160,770. 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 |
|---|---|---|---|---|---|---|---|
| Sep 2026 | 2023 | — | $102,500 | Sold | Auction sale (Construction Equipment Guide auction results)310 | — | constructionequipmentguide.com |
| Aug 2026 | 2024 | — | $95,000 | Sold | Auction sale (Construction Equipment Guide auction results)310 | — | constructionequipmentguide.com |
| Jul 2026 | 2021 | — | $55,500 | Sold | Auction sale (Construction Equipment Guide auction results)310 | — | constructionequipmentguide.com |
| Mar 2026 | 2022 | — | $82,000 | Sold | Auction sale (Construction Equipment Guide auction results)310 | — | constructionequipmentguide.com |
| Dec 2025 | 2020 | — | $75,000 | Sold | Auction sale (Construction Equipment Guide auction results)310 | — | constructionequipmentguide.com |
| Nov 2025 | 2019 | — | $55,000 | Sold | Auction sale (Construction Equipment Guide auction results)310 | — | constructionequipmentguide.com |
| Jun 2025 | 2023 | — | $90,000 | Sold | Auction sale (Construction Equipment Guide auction results)310 | — | constructionequipmentguide.com |
| Apr 2025 | 2022 | — | $78,000 | Sold | Auction sale (Construction Equipment Guide auction results)310 | — | constructionequipmentguide.com |
| Jan 2025 | 2020 | — | $75,500 | Sold | Auction sale (Construction Equipment Guide auction results)310 | — | constructionequipmentguide.com |
| Oct 2026listing viewed | 2022 | 2,174 | $122,750 | Asking | Thompson Tractor Co.,Inc dealer listing (Machinery Trader)310 | AL | machinerytrader.com |
| Oct 2026listing viewed | 2022 | 2,782 | $94,000 | Asking | DURABLE UNDERCARRIAGE CO INC dealer listing (Machinery Trader)310 | NJ | machinerytrader.com |
| Oct 2026listing viewed | 2021 | 1,623 | $112,000 | Asking | Quinn Company dealer listing (Machinery Trader)310 | CA | machinerytrader.com |
| Oct 2026listing viewed | 2019 | 2,854 | $85,900 | Asking | RP Equipment dealer listing (Machinery Trader)310 | PA | machinerytrader.com |
| Oct 2026listing viewed | 2020 | 3,215 | $89,500 | Asking | Hoover Rental & Sales dealer listing (Machinery Trader)310 | IA | machinerytrader.com |
| Oct 2026listing viewed | 2020 | 3,632 | $75,900 | Asking | Dapore Brothers, LLC dealer listing (Machinery Trader)310 | OH | machinerytrader.com |
| Oct 2026listing viewed | 2024 | 465 | $160,770 | Asking | MILTON CAT dealer listing (Machinery Trader)310 | NY | machinerytrader.com |
| Oct 2026listing viewed | 2023 | 929 | $110,000 | Asking | Neal Equipment dealer listing (Machinery Trader)310 | PA | machinerytrader.com |
Collected Oct 2026. A dash means the source didn't show that detail. Prices in USD.
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About the CAT 310 Small Excavator
The CAT 310 Small Excavator is a small-class excavator built from 2010 to today.
Owners mostly put it to work on general excavation, demolition, trenching.
Specifications
Engine & Power
- Engine
- Cat C3.3B
- Horsepower
- 70.3 HP
- Fuel Tank
- 38 gal
Dimensions & Weight
- Operating Weight
- 22447 lbs
Performance
- Max Dig Depth
- 17.1 ft
- Max Reach
- 22.6 ft
- Bucket Capacity
- 0.45 cu yd
- Tail Swing
- Standard
Configuration
- Size Class
- Small
- Years Produced
- 2010-present
Weight, power, and capacity figures checked October 2026 against 310 (current, Tier 4/Stage V). Older or newer generations of this model may differ.
Model Generations
Common Applications
- General excavation
- Demolition
- Trenching
Popular Attachments
Common Configurations
How It Compares
| Spec | CAT 310 Small Excavator | Komatsu PC130-8 Small Excavator | Volvo EC200 Medium Excavator | Hitachi ZX130 Small Excavator |
|---|---|---|---|---|
| Engine HP | 70.3 HP | 91.2 HP | 154 HP | 97.8 HP |
| Op. Weight | 22,447 lbs | 27,690 lbs | 48,500 lbs | 30,864 lbs |
| Max Dig Depth | 17.1 | 18.1 | 21.3 | 19.8 |
| Est. Price Low | $55,000 | — | — | $63,000 |
| Est. Price High | $161,000 | — | — | $155,000 |
Against the Komatsu PC130, the CAT 310 is 5,243 lb lighter, has 20.9 less hp and has 1 ft less max dig depth.
Against the Volvo EC200, the CAT 310 is 26,053 lb lighter, has 83.7 less hp and has 4.2 ft less max dig depth.
Against the Hitachi ZX130, the CAT 310 is 8,417 lb lighter, has 27.5 less hp and has 2.7 ft less max dig depth.
Frequently Asked Questions
How much does the CAT 310 weigh?
The CAT 310 has an operating weight of 22,447 lb and a 70.3 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 310 worth?
HeavyDutyYard estimates a used CAT 310 at $55,000–$161,000, a range checked against public auction results and dealer asks. 9 auction results for the CAT 310 ranged from $55,000 to $102,500; 8 dealer asks ran $75,900–$160,770.
Where can I sell my CAT 310?
Send HeavyDutyYard the year, hours, and condition of your CAT 310 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 310 used for?
The CAT 310 Small Excavator is commonly used for general excavation, demolition, trenching.