Excavator
4 photosCaterpillar · Excavators
CAT 305.5 Mini Excavator
The CAT 305.5 has an operating weight of 11,958 lb and a 44.2 hp engine, with a maximum dig depth of 12.7 ft.
Updated October 2026
44.2 HP11,958 lbsMini Class2009-present
How much is a used CAT 305.5 worth?
No price data yet. Get an offer for a real number.
Used price
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8 photosAbout the CAT 305.5 Mini Excavator
The CAT 305.5 Mini Excavator is a compact excavator built from 2009 to today.
Owners mostly put it to work on demolition, excavation, trenching.
Specifications
Engine & Power
- Engine
- Cat C1.7
- Horsepower
- 44.2 HP
- Fuel Tank
- 16.6 gal
Dimensions & Weight
- Operating Weight
- 11958 lbs
Performance
- Max Dig Depth
- 12.7 ft
- Max Reach
- 18.9 ft
- Bucket Capacity
- 0.19 cu yd
- Tail Swing
- Standard
Configuration
- Size Class
- Mini
- Years Produced
- 2009-present
Weight, power, and capacity figures checked October 2026 against 305.5E2 CR (Tier 4 Interim). Older or newer generations of this model may differ.
Model Generations
305.5 CR
Common Applications
- Demolition
- Excavation
- Trenching
Popular Attachments
ThumbQuick CouplerBreaker
Common Configurations
Standard Boom
How It Compares
| Spec | CAT 305.5 Mini Excavator | Kubota KX057-4 Compact Excavator | Komatsu PC55MR-5 Mini Excavator |
|---|---|---|---|
| Engine HP | 44.2 HP | 45.2 HP | 38 HP |
| Op. Weight | 11,958 lbs | 12,200 lbs | 11,905 lbs |
| Max Dig Depth | 12.7 | 12.1 | 10.8 |
| Est. Price Low | — | $19,000 | $29,500 |
| Est. Price High | — | $72,000 | $72,000 |
Against the Kubota KX057, the CAT 305.5 is 242 lb lighter, has 1 less hp and has 0.6 ft more max dig depth.
Against the Komatsu PC55MR, the CAT 305.5 is 53 lb heavier, has 6.2 more hp and has 1.9 ft more max dig depth.
Frequently Asked Questions
How much does the CAT 305.5 weigh?
The CAT 305.5 has an operating weight of 11,958 lb and a 44.2 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 305.5 worth?
No price data yet. Get an offer for a real number.
Where can I sell my CAT 305.5?
Send HeavyDutyYard the year, hours, and condition of your CAT 305.5 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 305.5 used for?
The CAT 305.5 Mini Excavator is commonly used for demolition, excavation, trenching.