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Caterpillar 303 CR
Configuration: Minimum configuration: canopy, fixed rubber tracks, standard stick (1260 mm), blade, 75 kg operator, full fuel, no bucket, no extra counterweight; Tier 4 Final/Stage V.
23 sourced values · Sources: Cat 303 CR (07A) Mini Hydraulic Excavator specalog AEHQ8350-04 (09-2025), Global excluding China and Japan, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Dimension diagram
| A | Overall length | 4,510 mm |
| B | Overall height | 2,480 mm |
| C | Track length on ground | Not published |
| D | Ground clearance | 310 mm |
| E | Overall width | 1,550 mm |
| F | Track gauge / tread | Not published |
| G | Shoe / track width | 300 mm |
Weights
| Spec | Value | Source |
|---|---|---|
| Operating weight | 3,025 kg | Published: 3,025 kg Cat 303 CR (07A) Mini Hydraulic Excavator specalog AEHQ8350-04 (09-2025), Global excluding China and Japan, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25Minimum operating weight with canopy (6,670 lb). Maximum with canopy 3425 kg; cab 3140–3545 kg. |
Dimensions
Undercarriage / tires
| Spec | Value | Source |
|---|---|---|
| Undercarriage type | Rubber track (fixed undercarriage) | Published: Rubber track (fixed undercarriage) Cat 303 CR (07A) Mini Hydraulic Excavator specalog AEHQ8350-04 (09-2025), Global excluding China and Japan, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25Steel tracks optional (+125 kg). |
| Track rollers / shoes per side | Not published | Cat 303 CR (07A) Mini Hydraulic Excavator specalog AEHQ8350-04 (09-2025), Global excluding China and Japan, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25 Not published in this document. |
Ground pressure
| Spec | Value | Source |
|---|---|---|
| Ground pressure | 27.6 kPa | Published: 27.6 kPa Cat 303 CR (07A) Mini Hydraulic Excavator specalog AEHQ8350-04 (09-2025), Global excluding China and Japan, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25At minimum weight (4.0 psi). At maximum weight 32.3 kPa. |
Engine
Hydraulics
| Spec | Value | Source |
|---|---|---|
| Pump / aux flow | 100 L/min | Published: 100 L/min Cat 303 CR (07A) Mini Hydraulic Excavator specalog AEHQ8350-04 (09-2025), Global excluding China and Japan, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25Load-sensing variable-displacement piston pump at 2,400 rpm (26 gal/min). |
| System / relief pressure | ≈ 24.5 MPa | Published: 245 bar Cat 303 CR (07A) Mini Hydraulic Excavator specalog AEHQ8350-04 (09-2025), Global excluding China and Japan, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25Operating pressure – equipment (3,553 psi). Travel 245 bar; swing 176 bar. |
Performance
Similar models
| Brand | Model | Operating weight |
|---|---|---|
| New Holland | E30D | ≈ 3,020 kg |
| Hitachi | ZX30U-5N | 3,030 kg |
| Kobelco | SK26SR-7 | 2,950 kg |
| John Deere | 30 P-Tier | 3,105 kg |
| Bobcat | E26 | ≈ 2,943 kg |
| Kubota | KX030-4 | ≈ 2,845 kg |
Compare side by side with New Holland E30D and Hitachi ZX30U-5N