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Caterpillar 306 CR
Configuration: Minimum configuration with cab: rubber tracks, standard stick, fixed blade, no extra counterweight, no bucket. Tier 4 Final/Stage V.
21 sourced values · Sources: Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24
Dimension diagram
| A | Overall length | 5,975 mm |
| B | Overall height | 2,545 mm |
| C | Track length on ground | Not published |
| D | Ground clearance | 306 mm |
| E | Overall width | 1,980 mm |
| F | Track gauge / tread | Not published |
| G | Shoe / track width | 400 mm |
Weights
| Spec | Value | Source |
|---|---|---|
| Operating weight | 6,370 kg | Published: 6,370 kg Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24Minimum operating weight with cab (14,046 lb). Canopy: 6,310 kg. Max with cab: 7,300 kg. |
Dimensions
Undercarriage / tires
| Spec | Value | Source |
|---|---|---|
| Undercarriage type | Crawler (rubber tracks) | Published: Crawler (rubber tracks) Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24Steel tracks with pads optional. |
| Track rollers / shoes per side | Not published | Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24 Not published. |
Ground pressure
| Spec | Value | Source |
|---|---|---|
| Ground pressure | 34.4 kPa | Published: 34.4 kPa Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24At minimum weight (5.0 psi). Max weight: 40.4 kPa. |
Engine
| Spec | Value | Source |
|---|---|---|
| Engine model | Cat C2.4 Turbo | Published: Cat C2.4 Turbo Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24U.S. EPA Tier 4 Final / EU Stage V. |
| Net power | 41.7 kW | Published: 41.7 kW Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24ISO 9249 (55.9 hp). ISO 14396: 42.6 kW. |
| Gross power | Not captured | — |
| Displacement | 2.43 L | Published: 2.43 L Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24 |
| Rated speed | 2,200 rpm | Published: 2,200 rpm Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24 |
Hydraulics
| Spec | Value | Source |
|---|---|---|
| Pump / aux flow | 151 L/min | Published: 151 L/min Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24At 2,400 rpm. Aux primary 90 L/min. |
| System / relief pressure | ≈ 24.5 MPa | Published: 24,500 kPa Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24Operating pressure – equipment. Swing 22,500 kPa. |
Performance
| Spec | Value | Source |
|---|---|---|
| Max digging depth | 3,710 mm | Published: 3,710 mm Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24Dimension 1, standard stick. Long stick 4,110 mm. |
| Max reach (at ground) | 6,130 mm | Published: 6,130 mm Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24Dimension 3, standard stick. |
| Dump height / clearance | 4,325 mm | Published: 4,325 mm Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24Dimension 6, max dump clearance, standard stick. |
| Breakout / digging force | 51.5 kN | Published: 51.5 kN Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24Bucket digging force. Stick (standard) 29.5 kN. |
| Max travel speed | 5 km/h | Published: 5 km/h Cat 306 CR Mini Hydraulic Excavator Specalog AEHQ8236-04 (12-2025). Retrieved 2026-10-24High range. Low 2.8 km/h. |
Similar models
| Brand | Model | Operating weight |
|---|---|---|
| Hitachi | ZX60USB-5N | 6,340 kg |
| HD Hyundai | HX60A | ≈ 6,160 kg |
| Takeuchi | TB370 | ≈ 6,736 kg |
| John Deere | 60 P-Tier | 6,010 kg |
| Volvo | EC65 | 6,000 kg |
| Case | CX60D | ≈ 5,970 kg |
Compare side by side with Hitachi ZX60USB-5N and HD Hyundai HX60A