- Category: Mini Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: 307.5 ➔
The Caterpillar 307.5 is a compact mini excavator designed for digging, trenching, grading, and material handling in confined jobsite conditions. Positioned in Caterpillar's small excavator range, the 307.5 combines reduced tail swing, maneuverability, and transport-friendly dimensions with hydraulic performance suited to utility work, landscaping, site preparation, and light construction. Typical configurations may include a cab or canopy, auxiliary hydraulics, and multiple attachment options such as buckets, thumbs, and augers. The Caterpillar 307.5 mini excavator is commonly selected for projects requiring access in tight spaces while maintaining the reach, stability, and control expected from a tracked excavator.
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 (56 m)
Starting 2023 Model Year |
| Net Power | 55 hp (41 kw)
Starting 2023 Model Year |
| Operating Weight | 17,905 lbs (8,122 kg)
Starting 2023 Model Year |
| Operating Weight lbs (kg) | 18,152 (8,233.6)
Starting 2025 Model Year |
Blades
| Blade Height | 17 in (43 cm)
|
| Blade Width | 8 ft (2 m)
|
Dimensions - Long Stick
| Boom In Reach | 89 in (225 cm)
|
| Dig Depth | 183 in (465 cm)
|
| Maximum Blade Depth | 16 in (41 cm)
|
| Maximum Blade Height | 14 in (36 cm)
|
| Maximum Dig Height | 305 in (776 cm)
|
| Maximum Dump Clearance | 225 in (571 cm)
|
| Maximum Reach | 268 in (680 cm)
|
| Maximum Reach - Ground Level | 263 in (667 cm)
|
| O/A Shipping Length | 246 in (626 cm)
|
| O/A Track Width | 87 in (220 cm)
|
| O/A Undercarriage Length | 113 in (288 cm)
|
| Stick Length | 87 in (221 cm)
|
| Swing Bearing - Height | 29 in (73 cm)
|
| Track Belt/Shoe Width | 18 in (45 cm)
|
| Vertical Wall | 162 in (412 cm)
|
Dimensions - Standard Stick
| Boom In Reach | 66 in (168 cm)
|
| Dig Depth | 162 in (411 cm)
|
| Maximum Blade Depth | 16 in (41 cm)
|
| Maximum Blade Height | 14 in (36 cm)
|
| Maximum Dig Height | 289 in (734 cm)
|
| Maximum Dump Clearance | 208 in (529 cm)
|
| Maximum Reach | 248 in (630 cm)
|
| Maximum Reach - Ground Level | 242 in (615 cm)
|
| O/A Shipping Length | 242 in (614 cm)
|
| O/A Track Width | 87 in (220 cm)
|
| O/A Undercarriage Length | 113 in (288 cm)
|
| Stick Length | 66 in (167 cm)
|
| Swing Bearing - Height | 29 in (73 cm)
|
| Track Belt/Shoe Width | 18 in (45 cm)
|
| Vertical Wall | 142 in (360 cm)
|
Engine
| Bore | 3 in (9 cm)
|
| Displacement | 148 cu in (2,425 cu cm)
|
| Engine Model | Cat C2.4 Turbo
|
| Net Power | 56 hp (42 kw)
|
| Stroke | 4 in (10 cm)
|
Hydraulic System
| Auxiliary Circuit - Primary - Flow | 35 gpm (132 lpm)
|
| Auxiliary Circuit - Primary - Pressure | 4134 psi
|
| Auxiliary Circuit - Secondary - Flow | 9 gpm (34 lpm)
|
| Auxiliary Circuit - Secondary - Pressure | 4134 psi
|
| Digging Force - Bucket | 12,272 lbs (5,566 kg)
|
| Digging Force - Stick - Long | 7,579 lbs (3,438 kg)
|
| Digging Force - Stick - Standard | 8,504 lbs (3,857 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 gpm (167 lpm)
|
Service Refill Capacities
| Cooling System | 3 gal (10 l)
|
| Engine Oil | 3 gal (9 l)
|
| Fuel Tank | 38 gal (144 l)
|
| Hydraulic System | 27 gal (102 l)
|
| Hydraulic Tank | 14 gal (53 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 lbs (2,656 kg)
|
| Maximum Traction Force - Low Speed | 14,035 lbs (6,366 kg)
|
| Travel Speed - High | 3 mph (5 kph)
|
| Travel Speed - Low | 2 mph (3 kph)
|
Weights
| Operating Weight | 18,152 lbs (8,234 kg)
|
