- Category: Mini Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: 307.5 ➔
The Caterpillar 307.5 is a compact mini excavator designed for digging, trenching, grading, and utility work in confined job sites. As part of Caterpillar's mini excavator lineup, the 307.5 combines a small operating footprint with hydraulic performance suited to construction, landscaping, municipal, and site preparation applications. It is commonly used where maneuverability, transportability, and reduced ground disturbance are important. Typical features include a zero or reduced tail swing design, auxiliary hydraulic capability, and compatibility with a range of buckets and attachments. The Caterpillar 307.5 is positioned for operators needing a versatile mini excavator for light to medium-duty earthmoving tasks.
General Specifications
| Digging Depth ft (m) | 15.3 (4.7)
Starting 2025 Model Year |
| Digging Reach ft. (m) | 22.3 (6.8)
Starting 2025 Model Year |
| Engine | C2.4
Starting 2023 Model Year |
| Engine hp (kW) | 55.9 (41.7)
Starting 2025 Model Year |
| Max Digging Depth | 182.8 in ft (55.72 m)
Starting 2023 Model Year |
| Net Power | 54.80 hp (40.87 kw)
Starting 2023 Model Year |
| Operating Weight | 17,905.00 lbs (8,121.58 kg)
Starting 2023 Model Year |
| Operating Weight lbs (kg) | 18,152 (8,233.6)
Starting 2025 Model Year |
Blades
| Blade Height | 17.00 in (43.18 cm)
|
| Blade Width | 7.50 ft (2.29 m)
|
Dimensions - Long Stick
| Boom In Reach | 88.60 in (225.04 cm)
|
| Dig Depth | 183.00 in (464.82 cm)
|
| Maximum Blade Depth | 16.30 in (41.40 cm)
|
| Maximum Blade Height | 14.30 in (36.32 cm)
|
| Maximum Dig Height | 305.40 in (775.72 cm)
|
| Maximum Dump Clearance | 224.80 in (570.99 cm)
|
| Maximum Reach | 267.90 in (680.47 cm)
|
| Maximum Reach - Ground Level | 262.70 in (667.26 cm)
|
| O/A Shipping Length | 246.30 in (625.60 cm)
|
| O/A Track Width | 86.60 in (219.96 cm)
|
| O/A Undercarriage Length | 113.40 in (288.04 cm)
|
| Stick Length | 86.90 in (220.73 cm)
|
| Swing Bearing - Height | 28.70 in (72.90 cm)
|
| Track Belt/Shoe Width | 17.70 in (44.96 cm)
|
| Vertical Wall | 162.20 in (411.99 cm)
|
Dimensions - Standard Stick
| Boom In Reach | 66.20 in (168.15 cm)
|
| Dig Depth | 161.70 in (410.72 cm)
|
| Maximum Blade Depth | 16.30 in (41.40 cm)
|
| Maximum Blade Height | 14.30 in (36.32 cm)
|
| Maximum Dig Height | 289.00 in (734.06 cm)
|
| Maximum Dump Clearance | 208.40 in (529.34 cm)
|
| Maximum Reach | 247.90 in (629.67 cm)
|
| Maximum Reach - Ground Level | 242.20 in (615.19 cm)
|
| O/A Shipping Length | 241.90 in (614.43 cm)
|
| O/A Track Width | 86.60 in (219.96 cm)
|
| O/A Undercarriage Length | 113.40 in (288.04 cm)
|
| Stick Length | 65.60 in (166.62 cm)
|
| Swing Bearing - Height | 28.70 in (72.90 cm)
|
| Track Belt/Shoe Width | 17.70 in (44.96 cm)
|
| Vertical Wall | 141.90 in (360.43 cm)
|
Engine
| Bore | 3.40 in (8.64 cm)
|
| Displacement | 148.00 cu in (2,425.29 cu cm)
|
| Engine Model | Cat C2.4 Turbo
|
| Net Power | 55.90 hp (41.69 kw)
|
| Stroke | 4.00 in (10.16 cm)
|
Hydraulic System
| Auxiliary Circuit - Primary - Flow | 35.00 gpm (132.48 lpm)
|
| Auxiliary Circuit - Primary - Pressure | 4134 psi
|
| Auxiliary Circuit - Secondary - Flow | 9.00 gpm (34.07 lpm)
|
| Auxiliary Circuit - Secondary - Pressure | 4134 psi
|
| Digging Force - Bucket | 12,272.00 lbs (5,566.49 kg)
|
| Digging Force - Stick - Long | 7,579.00 lbs (3,437.78 kg)
|
| Digging Force - Stick - Standard | 8,504.00 lbs (3,857.35 kg)
|
| Hydraulic System Type | Load Sensing Hydraulics with Variable Displacement Piston Pump
|
| Operating Pressure - Equipment | 4134 psi
|
| Operating Pressure - Swing | 3626 psi
|
| Operating Pressure - Travel | 4134 psi
|
| Pump Flow at 2,400 rpm | 44.00 gpm (166.54 lpm)
|
Service Refill Capacities
| Cooling System | 2.60 gal (9.84 l)
|
| Engine Oil | 2.50 gal (9.46 l)
|
| Fuel Tank | 38.00 gal (143.83 l)
|
| Hydraulic System | 27.00 gal (102.20 l)
|
| Hydraulic Tank | 14.00 gal (52.99 l)
|
Swing System
| Machine Swing Speed | 10 rpm
|
Travel System
| Gradeability - Maximum | 30 degrees
|
| Ground Pressure - Maximum Weight | 5 psi
|
| Ground Pressure - Minimum Weight | 5 psi
|
| Maximum Traction Force - High Speed | 5,856.00 lbs (2,656.24 kg)
|
| Maximum Traction Force - Low Speed | 14,035.00 lbs (6,366.18 kg)
|
| Travel Speed - High | 3.10 mph (4.99 kph)
|
| Travel Speed - Low | 1.90 mph (3.06 kph)
|
Weights
| Operating Weight | 18,152.00 lbs (8,233.62 kg)
|
