2023 Caterpillar 307B

Built for contractors who need dependable backup or a proven fleet addition, this 2023 Caterpillar 307B mini excavator delivers consistent 7-ton performance across a wide range of job site conditions. Sourced from Guangdong, China, and manufactured to Japanese import standards, it runs on a Mitsubishi 4M40E1 4-cylinder engine producing 40.3 kW — reliable, fuel-efficient, and easy to service.

With a maximum digging depth of 4,110 mm and an excavation radius of 6,200 mm, this unit handles trenching, grading, and utility work without tying up your primary machines. A compact transport width of 2,200 mm keeps it maneuverable on tight urban sites or confined lots.

• Engine: Mitsubishi 4M40E1 | 40.3 kW | 4-cylinder | 2.8L displacement
• Operating Weight: 6,500 kg | 7-ton class
• Max Digging Depth: 4,110 mm
• Max Excavation Height: 7,290 mm
• Max Unloading Height: 5,150 mm
• Track Width: 450 mm | Ground Contact Length: 2,120 mm
• Fuel Tank: 135 L | Hydraulic Tank: 94 L
• Transport Dimensions: 2,200 mm (W) × 2,630 mm (H)

For fleet managers looking to reduce downtime risk or expand capacity without overcommitting capital, this 307B is a straightforward, field-ready choice.