CAT 307 Product Description
The CAT 307 hydraulic excavator is a classic 7-ton compact mini crawler excavator launched by Caterpillar, focusing on light and medium-duty construction scenarios. It covers three mainstream upgraded versions: CAT307C, CAT307D and CAT307E, with mature and reliable overall design, compact body structure and super flexible operation performance. Tailored for narrow urban construction, residential reconstruction, garden greening and small-scale earthmoving projects, the CAT 307 series perfectly solves the operation pain points of large machinery being unable to enter narrow working sites. Equipped with classic high-reliability power engines and optimized intelligent hydraulic system, the whole machine achieves stable power output, sensitive operation response and excellent fuel economy. Adopting humanized overall layout and durable structural design, it features low failure rate, convenient daily maintenance and long service life. With outstanding flexibility, high construction efficiency and comprehensive cost performance, the CAT 307 mini excavator has become one of the most popular small construction machines in the global engineering market, widely used in municipal, rural and landscaping engineering projects.
CAT 307 – Product Parameters & Technical Data
Model: CAT 307 Hydraulic Crawler Mini Excavator
Operating Weight: 7,000 kg
Engine Model: 307C/307D: Mitsubishi 4M40 Series | 307E: Cat C2.6DI Turbo
Rated Net Power: 40–43 kW (54–58 hp) @ 2200 rpm
Emission Standard: EPA Tier 2 / Euro Stage V Emission Standard
Maximum Digging Depth: 4,150 mm
Maximum Digging Radius: 6,280 mm
Maximum Dump Height: 4,320 mm
Standard Bucket Capacity: 0.33 m³
Total Hydraulic Flow: 145 L/min
System Working Pressure: 26,000 kPa
Swing Speed: 10.5 rpm
Travel Speed: 2.5–4.8 km/h
Standard Track Shoe Width: 400 mm
Ground Pressure: 32.5 kPa
CAT 307 Product Advantages
Core Advantages of CAT 307 Hydraulic Excavator
Multiple Power Matching & Excellent Fuel Efficiency
The CAT 307 series is equipped with different mature power configurations for different generations. The classic 307C and 307D adopt Mitsubishi 4M40 series durable engines, featuring stable power output, low vibration and strong anti-fatigue performance, suitable for long-term continuous light-load operation. The upgraded 307E is equipped with Caterpillar self-developed C2.6DI turbocharged low-emission engine, which optimizes fuel combustion efficiency and effectively reduces idle fuel consumption. Matched with intelligent energy-saving control mode, the whole machine maintains sufficient digging power during construction while realizing low fuel consumption, greatly reducing daily operation costs and improving long-term economic benefits.
Flexible Hydraulic System & Precise Operation
The CAT 307 mini excavator adopts an optimized lightweight intelligent hydraulic system, with sensitive response, smooth action and high operation precision. It realizes accurate control of digging, trenching, leveling and loading operations, effectively avoiding construction errors and material waste. The coordinated hydraulic distribution design ensures stable power output during compound actions, improving overall construction efficiency, and perfectly adapting to fine construction requirements of municipal renovation and garden engineering.
Compact Body & Strong Site Adaptability
Featuring ultra-compact body size and flexible turning radius, the CAT 307 can easily enter narrow construction sites such as urban residential areas, indoor demolition, roadside trenches and rural narrow roads, which cannot be accessed by large excavators. The lightweight body design with reasonable ground pressure ensures stable walking on soft ground, lawns and rural muddy roads, with strong terrain adaptability and wide construction coverage.
Low Failure Rate & Convenient Daily Maintenance
The whole machine of CAT 307 adopts mature and verified industrial design, with simple and durable structural parts and low overall failure rate. The core power and hydraulic components are highly mature and universal in the market, with easy access to accessories and low maintenance cost. The open maintenance layout design simplifies daily inspection, oil replacement and parts maintenance work, greatly saving maintenance time and improving equipment attendance rate.
High Cost-Effectiveness & Wide Application Scenarios
As a benchmark 7-ton compact excavator, the CAT 307 balances flexibility, power, fuel economy and durability perfectly. It is widely applicable to municipal pipeline trenching, urban old community renovation, park greening, farmland renovation, small water conservancy and indoor demolition projects. With stable Caterpillar original quality, reliable operation performance and low later maintenance cost, it is the preferred high-cost-performance small engineering equipment for individual contractors and engineering teams.
