Excavator
4 photosCaterpillar · Excavators
CAT 305 Mini Excavator
The CAT 305 has an operating weight of 12,688 lb and a 45 hp engine, with a maximum dig depth of 11.4 ft.
Updated October 2026
45 HP12,688 lbsMini Class2008-presentEst. $25,000 – $82,000
How much is a used CAT 305 worth?
HeavyDutyYard estimates a used CAT 305 at $25,000–$82,000, a range checked against public auction results and dealer asks. 12 auction results for the CAT 305 ranged from $25,850 to $70,400; 8 dealer asks ran $47,500–$82,000.
HeavyDutyYard estimate, checked against recent sales
$25,000–$82,000
USD
Range checked against public auction results and dealer asks; see recent sales below.
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CAT 305 price: recent sales and asking prices
12 auction results for the CAT 305 ranged from $25,850 to $70,400; 8 dealer asks ran $47,500–$82,000. 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. Rows cover these versions: 305CR, 305E2 CR, 305E2, 305E CR, 305. Check the variant column before comparing to your unit.
| Date | Year | Hours | Price | Type | Venue / variant | State | Source |
|---|---|---|---|---|---|---|---|
| Sep 2026 | 2022 | 1,767 | $45,100 | Sold | Purple Wave online auction, Liberty, MO305CR | MO | purplewave.com |
| Sep 2026 | 2017 | 4,138 | $25,850 | Sold | Purple Wave online auction, Spanaway, WA305E2 CR | WA | purplewave.com |
| Jul 2026 | 2015 | 2,393 | $30,250 | Sold | Purple Wave online auction, Holly Lake Ranch, TX305E2 CR | TX | purplewave.com |
| Mar 2026 | 2017 | 2,669 | $35,750 | Sold | Purple Wave online auction, Oklahoma City, OK305E2 | OK | purplewave.com |
| Dec 2025 | 2017 | 3,714 | $33,000 | Sold | Purple Wave online auction, Florence, SC305E2 | SC | purplewave.com |
| Jul 2025 | 2014 | 1,465 | $43,450 | Sold | Purple Wave online auction, Crescent, IA305E CR | IA | purplewave.com |
| Feb 2025 | 2020 | 2,159 | $47,850 | Sold | Purple Wave online auction, Nixa, MO305E2 | MO | purplewave.com |
| Dec 2024 | 2023 | 236 | $70,400 | Sold | Purple Wave online auction, Bismarck, ND305CR | ND | purplewave.com |
| Dec 2024 | 2020 | 3,797 | $39,600 | Sold | Purple Wave online auction, Collinsville, OK305E2 | OK | purplewave.com |
| Feb 2025 | 2021 | — | $26,000 | Sold | Auction sale (Construction Equipment Guide auction results)305 | — | constructionequipmentguide.com |
| Feb 2025 | 2019 | — | $26,000 | Sold | Auction sale (Construction Equipment Guide auction results)305 | — | constructionequipmentguide.com |
| Feb 2025 | 2019 | — | $28,000 | Sold | Auction sale (Construction Equipment Guide auction results)305 | — | constructionequipmentguide.com |
| Oct 2026listing viewed | 2023 | 445 | $60,000 | Asking | Boyd CAT dealer listing (Machinery Trader)305CR | KY | machinerytrader.com |
| Oct 2026listing viewed | 2024 | 1,541 | $75,000 | Asking | Peterson Cat dealer listing (Machinery Trader)305CR | OR | machinerytrader.com |
| Oct 2026listing viewed | 2024 | 1,415 | $53,500 | Asking | Hoover Rental & Sales dealer listing (Machinery Trader)305CR | IA | machinerytrader.com |
| Oct 2026listing viewed | 2023 | 2,461 | $47,500 | Asking | ATKINSON MOTORSPORTS dealer listing (Machinery Trader)305CR | VA | machinerytrader.com |
| Oct 2026listing viewed | 2023 | 1,115 | $74,900 | Asking | Equipment Source LLC dealer listing (Machinery Trader)305CR | UT | machinerytrader.com |
| Oct 2026listing viewed | 2022 | 1,553 | $63,500 | Asking | Wengers of Myerstown dealer listing (Machinery Trader)305CR | PA | machinerytrader.com |
| Oct 2026listing viewed | 2022 | 2,336 | $47,900 | Asking | Blanchard Machinery Company dealer listing (Machinery Trader)305CR | SC | machinerytrader.com |
| Oct 2026listing viewed | 2025 | 352 | $82,000 | Asking | Fabick Cat dealer listing (Machinery Trader)305CR | MO | 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 305 Mini Excavator
The CAT 305 Mini Excavator is a compact excavator built from 2008 to today.
Owners mostly put it to work on demolition, trenching, excavation.
Specifications
Engine & Power
- Engine
- Cat C1.7
- Horsepower
- 45 HP
- Fuel Tank
- 17 gal
Dimensions & Weight
- Operating Weight
- 12688 lbs
Performance
- Max Dig Depth
- 11.4 ft
- Max Reach
- 18.5 ft
- Bucket Capacity
- 0.18 cu yd
- Tail Swing
- Standard
Configuration
- Size Class
- Mini
- Years Produced
- 2008-present
Weight, power, and capacity figures checked October 2026 against 305 CR (current, Tier 4/Stage V). Older or newer generations of this model may differ.
Model Generations
305 CR
Common Applications
- Demolition
- Trenching
- Excavation
Popular Attachments
ThumbQuick CouplerBreaker
Common Configurations
Standard Boom
How It Compares
| Spec | CAT 305 Mini Excavator | Kubota KX057-4 Compact Excavator | Hitachi ZX130 Small Excavator |
|---|---|---|---|
| Engine HP | 45 HP | 45.2 HP | 97.8 HP |
| Op. Weight | 12,688 lbs | 12,200 lbs | 30,864 lbs |
| Max Dig Depth | 11.4 | 12.1 | 19.8 |
| Est. Price Low | $25,000 | $19,000 | $63,000 |
| Est. Price High | $82,000 | $72,000 | $155,000 |
Against the Kubota KX057, the CAT 305 is 488 lb heavier, has 0.2 less hp and has 0.7 ft less max dig depth.
Against the Hitachi ZX130, the CAT 305 is 18,176 lb lighter, has 52.8 less hp and has 8.4 ft less max dig depth.
Frequently Asked Questions
How much does the CAT 305 weigh?
The CAT 305 has an operating weight of 12,688 lb and a 45 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 305 worth?
HeavyDutyYard estimates a used CAT 305 at $25,000–$82,000, a range checked against public auction results and dealer asks. 12 auction results for the CAT 305 ranged from $25,850 to $70,400; 8 dealer asks ran $47,500–$82,000.
Where can I sell my CAT 305?
Send HeavyDutyYard the year, hours, and condition of your CAT 305 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 305 used for?
The CAT 305 Mini Excavator is commonly used for demolition, trenching, excavation.