Used Caterpillar 307.5 Excavator

Reading: 2141

Detailed Introduction to CATERPILLAR 307.5 Compact Hydraulic Excavator

1. Overview

The Caterpillar 307.5 is a 7.5-ton class next-generation compact hydraulic excavator developed by Caterpillar Inc., the global leader in construction machinery. It is engineered to strike an optimal balance of powerful performance, industry-leading fuel efficiency, operator-friendly operation, and low total cost of ownership, making it a preferred choice for small to medium-scale construction, landscaping, municipal, and utility works. It is available in multiple emission-compliant versions to meet regional regulatory requirements, including U.S. EPA Tier 4 Final, EU Stage V, and China Non-road Stage IV standards.

2. Core Specifications

Parameter	Specification
Operating Weight	7,400 – 8,100 kg (16,314 – 17,857 lb)
Engine Model	Cat C2.4 CR Turbocharged Diesel Engine
Net Rated Power	43 kW (57 hp) @ 2,200 rpm
Bucket Capacity	0.21 – 0.36 m³ (0.27 – 0.47 cu yd)
Maximum Digging Depth (standard configuration)	4,110 mm (13 ft 6 in)
Maximum Reach at Ground Level	6,270 mm (20 ft 7 in)
Maximum Dump Height	4,450 mm (14 ft 7 in)
Travel Speed	High: 4.5 km/h (2.8 mph); Low: 2.8 km/h (1.7 mph)
Tail Swing Radius	1,770 mm (5 ft 10 in)
Hydraulic System Pressure	280 bar (4,060 psi)

3. Performance & Technical Advantages

(1) High-efficiency powertrain and hydraulic system

The Cat C2.4 diesel engine delivers stable power output even under heavy-load conditions, with sufficient torque reserve to cope with tough digging, lifting, and demolition works. Paired with Caterpillar's proprietary load-sensing hydraulic system, it delivers on-demand flow to match actual working requirements, cutting fuel consumption by up to 10% compared to previous-generation same-class models without sacrificing working efficiency.Three adjustable operation modes (Power, Standard, ECO) allow operators to flexibly select settings based on job demands: Power mode for heavy-duty demolition or high-efficiency requirements, ECO mode for light-duty works to reduce fuel cost, Standard mode for balanced daily operations. Boom and stick regeneration valves further reduce hydraulic pump load, shorten cycle times, and improve operating precision, especially for repeated loading and trenching works.

(2) Compact design for narrow spaces

Its ultra-compact tail swing design (only slightly wider than the crawler track width, significantly reduces the risk of collision with surrounding obstacles, making it ideal for operation in confined work sites such as old urban areas, indoor demolition sites, and narrow residential yards. Its compact overall size also enables convenient transport between job sites with small transport vehicles.

(3) Strong attachment compatibility

The excavator supports optional adjustable-flow auxiliary hydraulic circuits, which can be paired with a wide range of Cat attachments, including hydraulic breakers, grapples, augers, rippers, and clamshell buckets. The optional quick coupler allows operators to switch between different attachments in seconds without leaving the cab, greatly improving work efficiency.

4. Operator Comfort & Safety

The 307.5 is equipped with a next-generation Cat small excavator cab that meets ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) certification, ensuring operator safety in extreme working conditions:

The sealed and sound-insulated cab has an internal noise level as low as 72 dB(A), providing a quiet working environment. The fully adjustable high-back suspension seat, adjustable armrests, and ergonomic joystick layout reduce operator fatigue during long shifts.
An 8-inch high-definition color LCD monitor displays real-time machine operating data, fault diagnosis information, fuel consumption statistics, and one-click mode switching function.
Large-area panoramic glass windows provide a 360° unobstructed view of the working area, and the standard rear-view camera eliminates blind spots when reversing and operating near obstacles.
High-efficiency heating and cooling air conditioning system ensures comfortable operation in extreme temperatures ranging from -20°C to 45°C. Safety configurations such as seat belt warning, emergency stop button, and travel alarm are standard on all models.

5. Durability & Low Operating Cost

All key structural components including boom, stick, and undercarriage are made of high-strength wear-resistant steel, and have passed 1000+ hours of extreme working condition tests, ensuring long service life even under heavy load.
All daily maintenance points are arranged at ground-accessible positions, eliminating the need to climb on top of the machine to replace oil filters, fuel filters, air filters, and check fluid levels, cutting daily maintenance time by 30% compared to similar products.
Extended maintenance intervals: 500 hours for engine oil and filter replacement, 3000 hours for hydraulic oil replacement, greatly reducing regular maintenance costs.
Optional Cat Product Link™ remote monitoring system supports real-time remote viewing of machine location, working hours, fuel consumption, and fault warning information, facilitating fleet management and reducing unplanned downtime.
Global Caterpillar dealer network provides 24/7 after-sales support, original spare parts supply, and professional maintenance services, ensuring long-term stable operation of the equipment.

6. Typical Application Scenarios

The Caterpillar 307.5 excavator is widely used in:

Urban municipal works: pipeline excavation, road repair, sidewalk renovation, and utility installation;
Landscaping: terrain shaping, tree pit digging, and garden infrastructure construction;
Residential construction: foundation excavation, material handling, and small-scale demolition;
Agricultural engineering: farmland renovation, irrigation canal excavation, and agricultural infrastructure construction;
Narrow space operations: old city renovation, indoor demolition, and works in restricted job sites with limited space.

Summary

The Cat 307.5 combines Caterpillar's decades of excavator manufacturing experience and cutting-edge technology, with high reliability, strong adaptability, and low long-term operating cost, bringing high return on investment for individual contractors and fleet operators alike.

Non flooded

No accident

Original product

Used Caterpillar 307.5 Excavator

RELATED PRODUCTS

Caterpillar 307.5

Caterpillar 312GC

Caterpillar 308E2

Caterpillar 323D2L