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Caterpillar 308 CR
Configuration: Build 08A (C2.8 engine), swing boom. Minimum configuration: cab, rubber tracks, standard stick, blade, no counterweight, no bucket. Tier 4 Final/Stage V.
21 sourced values · Sources: Cat 308 CR (08A) Mini Hydraulic Excavator Specalog AEHQ8518-01 (10-2025), N Am/Chile/Europe/Turkey/ANZP. Retrieved 2026-10-24
Dimension diagram
| A | Overall length | 6,574 mm |
| B | Overall height | 2,541 mm |
| C | Track length on ground | Not published |
| D | Ground clearance | 350 mm |
| E | Overall width | 2,300 mm |
| F | Track gauge / tread | Not published |
| G | Shoe / track width | 450 mm |
Weights
| Spec | Value | Source |
|---|---|---|
| Operating weight | 8,505 kg | Published: 8,505 kg Cat 308 CR (08A) Mini Hydraulic Excavator Specalog AEHQ8518-01 (10-2025), N Am/Chile/Europe/Turkey/ANZP. Retrieved 2026-10-24Minimum operating weight with cab (18,754 lb). Maximum (steel tracks w/ pads, 500 kg CW, long stick): 9,420 kg. |
Dimensions
Undercarriage / tires
| Spec | Value | Source |
|---|---|---|
| Undercarriage type | Crawler (rubber tracks) | Published: Crawler (rubber tracks) Cat 308 CR (08A) Mini Hydraulic Excavator Specalog AEHQ8518-01 (10-2025), N Am/Chile/Europe/Turkey/ANZP. Retrieved 2026-10-24Steel tracks with rubber pads optional. |
| Track rollers / shoes per side | Not published | Cat 308 CR (08A) Mini Hydraulic Excavator Specalog AEHQ8518-01 (10-2025), N Am/Chile/Europe/Turkey/ANZP. Retrieved 2026-10-24 Not published. |
Ground pressure
| Spec | Value | Source |
|---|---|---|
| Ground pressure | 37.2 kPa | Published: 37.2 kPa Cat 308 CR (08A) Mini Hydraulic Excavator Specalog AEHQ8518-01 (10-2025), N Am/Chile/Europe/Turkey/ANZP. Retrieved 2026-10-24At minimum weight (5.4 psi). Maximum weight: 41.2 kPa. |
Engine
| Spec | Value | Source |
|---|---|---|
| Engine model | Cat C2.8 Turbo | Published: Cat C2.8 Turbo Cat 308 CR (08A) Mini Hydraulic Excavator Specalog AEHQ8518-01 (10-2025), N Am/Chile/Europe/Turkey/ANZP. Retrieved 2026-10-24U.S. EPA Tier 4 Final / EU Stage V. |
| Net power | 51.2 kW | Published: 51.2 kW Cat 308 CR (08A) Mini Hydraulic Excavator Specalog AEHQ8518-01 (10-2025), N Am/Chile/Europe/Turkey/ANZP. Retrieved 2026-10-24ISO 9249 (69.0 hp). ISO 14396: 55.4 kW. |
| Gross power | Not captured | — |
| Displacement | 2.8 L | Published: 2.8 L Cat 308 CR (08A) Mini Hydraulic Excavator Specalog AEHQ8518-01 (10-2025), N Am/Chile/Europe/Turkey/ANZP. Retrieved 2026-10-24 |
| Rated speed | 2,200 rpm | Published: 2,200 rpm Cat 308 CR (08A) Mini Hydraulic Excavator Specalog AEHQ8518-01 (10-2025), N Am/Chile/Europe/Turkey/ANZP. Retrieved 2026-10-24Rated speed for net power. |
Hydraulics
| Spec | Value | Source |
|---|---|---|
| Pump / aux flow | 167 L/min | Published: 167 L/min Cat 308 CR (08A) Mini Hydraulic Excavator Specalog AEHQ8518-01 (10-2025), N Am/Chile/Europe/Turkey/ANZP. Retrieved 2026-10-24Load-sensing variable piston pump at 2,400 rpm. Max aux primary 131 L/min. |
| System / relief pressure | ≈ 28.5 MPa | Published: 285 bar Cat 308 CR (08A) Mini Hydraulic Excavator Specalog AEHQ8518-01 (10-2025), N Am/Chile/Europe/Turkey/ANZP. Retrieved 2026-10-24Operating pressure – equipment. Swing 250 bar. |
Performance
Similar models
| Brand | Model | Operating weight |
|---|---|---|
| Komatsu | PC88MR-11 | 8,500 kg |
| Kobelco | SK75SR-7 | 8,490 kg |
| John Deere | 75 P-Tier | 8,554 kg |
| Takeuchi | TB290 | ≈ 8,430 kg |
| Link-Belt | 80 X3 Spin Ace | 8,590 kg |
| Kubota | KX080-5 | ≈ 8,401 kg |
Compare side by side with Komatsu PC88MR-11 and Kobelco SK75SR-7