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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

70.3 HP22,447 lbsSmall Class2010-presentEst. $55,000 – $161,000
Representative excavator
Representative excavator. Not a specific unit for sale.

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.

HeavyDutyYard estimate, checked against recent sales
$55,000–$161,000
USD

Range checked against public auction results and dealer asks; see recent sales below.

Own a CAT 310 Small Excavator? Get an offer or list it free →

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.

Used CAT 310 auction results and dealer asking prices
DateYearHoursPriceTypeVenue / variantStateSource
Sep 20262023—$102,500SoldAuction sale (Construction Equipment Guide auction results)310—constructionequipmentguide.com
Aug 20262024—$95,000SoldAuction sale (Construction Equipment Guide auction results)310—constructionequipmentguide.com
Jul 20262021—$55,500SoldAuction sale (Construction Equipment Guide auction results)310—constructionequipmentguide.com
Mar 20262022—$82,000SoldAuction sale (Construction Equipment Guide auction results)310—constructionequipmentguide.com
Dec 20252020—$75,000SoldAuction sale (Construction Equipment Guide auction results)310—constructionequipmentguide.com
Nov 20252019—$55,000SoldAuction sale (Construction Equipment Guide auction results)310—constructionequipmentguide.com
Jun 20252023—$90,000SoldAuction sale (Construction Equipment Guide auction results)310—constructionequipmentguide.com
Apr 20252022—$78,000SoldAuction sale (Construction Equipment Guide auction results)310—constructionequipmentguide.com
Jan 20252020—$75,500SoldAuction sale (Construction Equipment Guide auction results)310—constructionequipmentguide.com
Oct 2026listing viewed20222,174$122,750AskingThompson Tractor Co.,Inc dealer listing (Machinery Trader)310ALmachinerytrader.com
Oct 2026listing viewed20222,782$94,000AskingDURABLE UNDERCARRIAGE CO INC dealer listing (Machinery Trader)310NJmachinerytrader.com
Oct 2026listing viewed20211,623$112,000AskingQuinn Company dealer listing (Machinery Trader)310CAmachinerytrader.com
Oct 2026listing viewed20192,854$85,900AskingRP Equipment dealer listing (Machinery Trader)310PAmachinerytrader.com
Oct 2026listing viewed20203,215$89,500AskingHoover Rental & Sales dealer listing (Machinery Trader)310IAmachinerytrader.com
Oct 2026listing viewed20203,632$75,900AskingDapore Brothers, LLC dealer listing (Machinery Trader)310OHmachinerytrader.com
Oct 2026listing viewed2024465$160,770AskingMILTON CAT dealer listing (Machinery Trader)310NYmachinerytrader.com
Oct 2026listing viewed2023929$110,000AskingNeal Equipment dealer listing (Machinery Trader)310PAmachinerytrader.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

310F

Common Applications

  • General excavation
  • Demolition
  • Trenching

Popular Attachments

ThumbQuick CouplerHammer

Common Configurations

Standard BoomLong Reach

How It Compares

SpecCAT 310 Small ExcavatorKomatsu PC130-8 Small ExcavatorVolvo EC200 Medium ExcavatorHitachi ZX130 Small Excavator
Engine HP70.3 HP91.2 HP154 HP97.8 HP
Op. Weight22,447 lbs27,690 lbs48,500 lbs30,864 lbs
Max Dig Depth17.118.121.319.8
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.