CAT 307E2 Mini Crawler Excavator

Brand & Model Positioning

Brand: CAT (Caterpillar)With over a century of engineering excellence, CAT stands as a global benchmark in heavy machinery, celebrated for uncompromising durability, innovative technology, and proven reliability across construction, mining, and industrial sectors. Its service network spans 190+ countries, ensuring instant access to genuine parts, expert technical support, and customized after‑sales solutions—keeping equipment productive through every project phase. Whether for small‑scale contracting or large industrial operations, CAT’s unwavering commitment to quality and customer success makes it the preferred choice for operators seeking long‑term value and peace of mind.

Model: CAT 307E2 Mini Crawler ExcavatorThe CAT 307E2 is a 7‑ton compact mini crawler excavator of CAT E2‑Series. Featuring short‑tail swing design, excellent stability and outstanding fuel‑saving performance. Optimized for municipal renovation, pipeline trenching, landscaping, residential site work and light demolition. Equipped with mature load‑sensing hydraulic system and reliable turbo engine. Compact body, flexible maneuverability, easy maintenance and rich attachment compatibility make it a highly popular cost‑effective machine for small‑to‑medium contractors worldwide.

Core Advantages

1. Reliable Power & Excellent Fuel Economy

Powered by CAT C2.4 Turbo diesel engine, rated net power 37.7 kW (50.6 hp) @2200 rpm, displacement 2.4 L. Meets Tier4 Final / Stage IIIB emission standard, stable output adapting to various fuel quality. 145 L large‑capacity fuel tank supports long continuous operation, reducing frequent refueling downtime. Operating weight reaches 7270 kg, standard heavy‑duty dozer blade improves stability and backfilling efficiency.

2. Load‑Sensing Hydraulics & Reliable Working Performance

Adopts load‑sensing variable‑displacement piston pump with full pilot control, smooth compound movements and precise operation. Key performance parameters：

• Maximum digging depth: 4 220 mm
• Maximum ground‑level reach: 6 350 mm
• Maximum dumping height: 5 070 mm
• Standard bucket capacity: 0.33 m³（range 0.25‑0.36 m³）
• Hydraulic working pressure: 24.5 MPa, main pump flow:148 L/min
• Bucket digging force: 50.6 kN; Arm digging force:37.1 kN

Two‑speed travel system: low 0‑3.2 km/h, high 3.2‑5.1 km/h. Available with steel tracks or rubber track pads. Floating dozer blade for site cleaning and grading. Short‑tail design enables work in narrow confined space.

3. Comfortable ROPS‑FOPS Cab & Safety Configuration

ROPS‑FOPS certified cab with ergonomic layout and sensitive pilot joysticks to reduce operator fatigue during long shifts. Large glass windows deliver 360° all‑round visibility. Vibration‑isolation mounting effectively lowers noise and vibration inside cab. Adjustable air‑suspension seat, optional air‑conditioning, color COMPASS monitor, rear‑view camera for enhanced safety and convenienceCat. Ground‑level safety lock lever prevents accidental movement.

4. Heavy‑Duty Compact Structure & Low Maintenance Cost

Boom, stick and main frame adopt high‑strength thick steel plate for impact resistance. Upgraded sealing for all hydraulic joints against dust and oil leakage. Large side service doors allow ground‑level access to filters, oil filling ports and inspection points for fast daily inspection and service. Global wide supply of spare parts reduces repair cost and machine downtime.

5. Strong Attachment Compatibility

Standard secondary auxiliary hydraulic circuit supports quick coupler for fast tool switching:

• Standard buckets, narrow trenching buckets, heavy‑duty rock buckets (0.25‑0.36 m³)
• Hydraulic breakers for concrete demolition
• Thumb grapples for bulk material sorting and handling
• Augers for fence post and foundation hole drilling
• Rakes for land clearing and root removal

Multiple attachments realize digging, breaking, grabbing, drilling and landscaping, greatly improving machine utilization.

Typical Application Scenarios

1. Municipal & Urban Renewal WorksWater‑sewage pipeline trenching, cable laying, street reconstruction, small‑area demolition. Short‑tail design works perfectly in narrow streets and residential zones.
2. Landscaping & Real‑Estate ProjectsGarden shaping, pond digging, tree‑planting pit excavation, slope trimming and site backfilling.
3. Rural & Agricultural WorkIrrigation channel digging, farmland consolidation, orchard preparation, small pond dredging.
4. Small‑Scale Building ConstructionHouse foundation excavation, small earth‑moving and backfilling for limited‑space construction sites.
5. Utility Maintenance WorksRoadside repair, public facility upgrade, small drainage and flood‑control projects.

Foreign Trade Service Guarantee

1. Customization Options

Flexible configurations for different site conditions:

• Bucket selection: standard / trenching / heavy‑duty bucket
• Track options: steel track or rubber track pads
• Cab upgrade: air‑conditioning, rear‑view camera, working lamps Multilingual operation manuals and technical documents supplied.

2. Quality Assurance & Certification

Every unit passes strict pre‑shipment inspection. Export documents available: ‑ CE / ISO certification ‑ Third‑party inspection report (SGS, BV) for customs clearance.

3. Warranty & Training Support

Major components covered under 12‑month /2000‑hour warranty. 24‑hour global after‑sales support. Free online training for operators: safe operation, daily maintenance and common fault troubleshooting.

4. Global Spare‑Parts Support

Easy access to original CAT spare‑parts. Overseas service partners offer repair and diagnosis support to reduce machine downtime.

Why Choose CAT 307E2?

CAT 307E2 is a mature 7‑ton short‑tail compact excavator from CAT E2‑Series. It combines reliable turbo engine, load‑sensing hydraulics, stable digging performance and outstanding fuel efficiency. Compact dimension adapts to narrow working sites, simple maintenance and worldwide spare‑parts availability. It is an ideal versatile option for municipal, landscaping and small building contractors.

Contact Us

For personalized quotation, configuration and global shipping solution of CAT 307E2, please contact our foreign‑trade team. Flexible payment terms (LC, TT, DP) are available. Reliable logistics partners guarantee on‑time delivery. We support you from consultation to after‑sales service for better project results.