CAT 307 Compact Crawler Mini Excavator
This CAT 307 excavator adopts original Caterpillar hydraulic control system, smooth operation with low failure rate, perfect for long-hour works of 7 ton mini digger users.
Light 7-ton body design of CAT compact crawler excavator supports road transportation without oversized permits, saving cross-region transfer cost greatly.
Built-in intelligent energy-saving mode for Caterpillar small construction excavator, cut fuel consumption by 15% under medium-load digging tasks.
The operator cab of CAT 307 hydraulic digger adds shock absorption seat and panoramic glass, effectively reduce fatigue during all-day site operation.
Global universal spare parts stock for CAT 307 excavator, fast parts supply supported by Jinan Tui Wa Import And Export Trading Company, shorten machine downtime.
Reinforced track frame of this 7 ton mini digger adapts muddy, rocky and uneven construction ground, extend undercarriage service life by over 2 years.
Product Details
Product Overview
CAT 307 excavator is a premium 7 ton mini digger manufactured by Caterpillar, specially developed for medium-small construction, agricultural renovation and municipal maintenance jobs. As a classic CAT compact crawler excavator model, this CAT 307 hydraulic digger balances compact body dimension and powerful digging performance, solving the operation difficulty of narrow construction zones that large crawler excavators cannot enter. The whole machine matches original CAT power assembly and full hydraulic drive structure, all core components pass strict Caterpillar factory aging test, which makes this Caterpillar small construction excavator gain stable recognition from global contractors, farmers and landscaping operators. Whether you need trenching, material loading, indoor demolition or farm land reshaping, the CAT 307 excavator can deliver consistent reliable performance in all kinds of complex working environments.
Core Product Parameter Table
| Specification Item | Specific Parameter Value |
|---|---|
| Operating Weight | 7000 kg (7 Ton) |
| Matching Engine | Original CAT C2.4 Diesel Engine |
| Rated Power | 36.5 kW / 49 HP |
| Main Hydraulic Working Pressure | 21 MPa |
| Standard Bucket Capacity | 0.32 m³ |
| Standard Bucket Width | 850 mm |
| Maximum Digging Depth | 4120 mm |
| Maximum Digging Radius | 6280 mm |
| Maximum Unloading Height | 4760 mm |
| Travel Speed | 0 ~ 4.5 km/h |
| Hydraulic Oil Tank Volume | 92 L |
| Fuel Tank Capacity | 120 L |
| Overall Dimension (L×W×H) | 5820 × 2000 × 2550 mm |
| Ground Clearance | 390 mm |
| Digging Breakout Force | 48 kN |
| Climbing Ability | 35° |
Product Features and Strengths
Original CAT Power Assembly, Stable Power Output For CAT 307 excavator
Equipped with exclusive CAT C2.4 four-cylinder diesel engine, this 7 ton mini digger meets international Tier 4 emission standard, clean exhaust without environmental limit in European, American and Southeast Asian construction sites. The engine owns electronic fuel injection control system, automatically adjust fuel supply according to digging load, avoid unnecessary fuel waste. Compare with ordinary small excavator engines, the power unit of this CAT compact crawler excavator features low vibration, low noise and long maintenance cycle, only need simple routine inspection every 500 working hours.Full Hydraulic Circulation System With Built-In Oil Cooler
The CAT 307 hydraulic digger adopts independent multi-way hydraulic valve group from Caterpillar, each action of boom, arm, bucket and crawler can run synchronously without jamming. Integrated hydraulic oil cooling device is installed inside the machine, continuously lower hydraulic oil temperature during long-time continuous operation, prevent hydraulic pipeline aging and system overheating fault. This design greatly extend the service life of hydraulic parts of Caterpillar small construction excavator, suitable for high-temperature summer construction areas.Reinforced Wear-Resistant Working Device
All boom and arm of CAT 307 excavator use thickened high-strength steel plate, key welding positions adopt robot full penetration welding process, effectively resist impact and torsion during rock digging. The standard 0.32m³ digging bucket of this 7 ton mini digger installs replaceable wear-resistant bucket teeth, users can quickly replace worn accessories without professional tools, reduce later maintenance cost. The swing boom design of CAT compact crawler excavator allows side digging close to walls and barriers, greatly improve operation flexibility in narrow spaces.Comfortable Full View Operator Cab
The closed cab of CAT 307 hydraulic digger equips large-area front and side tempered glass, 360° no blind operation vision for site safety. Suspension shock absorption seat with multi-angle adjustment relieves body pressure during long shifts, matching air conditioner for all-season working comfort. All control handles follow Caterpillar humanized operation logic, new operators can master the control method of this Caterpillar small construction excavator within half an hour, lower operation error risk.
Product Application Scenarios
The compact body and strong comprehensive performance of this 7 ton mini digger make it widely applicable across multiple industries, core usage scenes include:
Residential Backyard & Landscaping Engineering
CAT compact crawler excavator completes garden soil turning, tree pit digging, stone handling and green belt renovation; small body will not damage lawn and pavement.
Municipal Road Maintenance Work
This CAT 307 hydraulic digger finishes pipeline trenching, road base repair, sidewalk demolition and sewage ditch cleaning in narrow urban streets.
Farm & Agricultural Renovation Jobs
Caterpillar small construction excavator handles farmland leveling, fish pond excavation, barn foundation digging and orchard land reshaping.
Indoor & Small-Scale Demolition Projects
CAT 307 excavator can enter low-floor indoor space for wall breaking, waste debris clearing, suitable for old house reconstruction and small factory renovation.
Small Construction Site Foundation Works
7 ton mini digger carries out small building foundation excavation, sand and gravel material loading, cooperate with transport trucks for short-distance earthwork transfer.
Product Packaging and Transportation
Standard Export Packaging Mode for CAT 307 excavator
Before shipment, all exposed metal parts of this 7 ton mini digger are coated with anti-rust marine paint to resist salt air erosion during ocean transportation. Fragile accessories including hydraulic thumb clip, toolbox and operation manual are packed in independent wooden export boxes fixed inside the machine cab. The whole CAT compact crawler excavator is fixed on customized steel transport bracket with high-strength steel wire rope, avoid sliding and collision during sea and land transit. All product pictures uploaded in backend will add keyword description: CAT 307 hydraulic digger export packaging.
Multiple Shipping Methods Support
- Our company Jinan Tui Wa Import And Export Trading Company provides flexible transportation plans for Caterpillar small construction excavator:
Container shipment: CAT 307 excavator can be loaded into 20GP/40HQ standard shipping container, cost-effective for bulk order clients;
Ro-Ro vessel transportation: For large batch orders, roll-on roll-off ship delivery with lower machine damage risk;
Flat rack container: Meet oversized auxiliary attachment delivery demands for digging work.
All shipping documents including commercial invoice, packing list, CE certificate and original Caterpillar factory document will be provided completely for smooth customs clearance of CAT 307 excavator in destination countries.
Company Strength Display
Jinan Tui Wa Import And Export Trading Company is a professional machinery import and export enterprise focusing on new and used crawler excavator, wheeled excavator and skid steer loader global sales, with mature supply chain and after-sales service system for CAT 307 excavator and all series brand diggers.
Factory & Warehouse Scale
We own over 20,000 square meters of machinery storage yard, store complete stock of 7 ton mini digger, medium and large tonnage CAT compact crawler excavator, DEVELON, KUBOTA, SANY brand construction machinery, clients can arrange on-site machine inspection anytime. The workshop equips professional maintenance and refitting equipment, support customized attachment modification for CAT 307 hydraulic digger according to customer construction demands.
Complete Qualification & Certification
All our Caterpillar small construction excavator products pass CE, ISO international quality certification, export qualification covers more than 60 countries in North America, Europe, Southeast Asia, Africa and Oceania. We can provide full set customs clearance certification documents to help clients finish local import procedures rapidly.
We build long-term cooperative relation with original Caterpillar parts factory, maintain sufficient inventory of CAT 307 excavator engine, hydraulic valve, track shoe, bucket teeth and wearing parts. Global clients can get matching spare parts delivery within 7 working days, effectively solve the parts shortage trouble of 7 ton mini digger in remote construction areas.
Customer Cases and Real Feedback
North American Landscaping Contractor Cooperation Case
A landscaping company from the United States purchased 3 units of CAT 307 excavator through Jinan Tui Wa Import And Export Trading Company in 2025, mainly for residential garden renovation projects. The client feedback: This 7 ton mini digger has flexible operation in narrow backyard space, original CAT hydraulic system works stably for over 12 hours per day, fuel consumption is much lower than other second-hand small excavators on local market. After one year of use, the machine has no major failure, our after-sales team regularly sends remote operation guidance for CAT compact crawler excavator maintenance.
Southeast Asia Municipal Engineering Client Review
A municipal engineering trader from Thailand bought one batch of Caterpillar small construction excavator including CAT 307 hydraulic digger for urban pipeline construction. Client comment: The machine passed local environmental emission inspection smoothly, the enclosed cab with air conditioner fits our hot tropical construction climate, our workers highly recognize the easy control design of CAT 307 excavator. Our company provides local spare parts delivery channel for this client, reduce machine maintenance waiting time greatly.
Farm Owner Individual Purchase Feedback
An Australian farmer bought single CAT 307 excavator for farmland leveling and fish pond digging. He shared: Compared with old second-hand digger I used before, this brand new 7 ton mini digger has stronger digging force, the swing boom design helps me work beside farm fences conveniently. Jinan Tui Wa team provided detailed digital operation manual and one-year core component warranty for my CAT compact crawler excavator, very reliable cross-border purchase experience.
FAQ
Q1: Is this CAT 307 excavator genuine original Caterpillar machine?
A1: All our CAT 307 hydraulic digger supplied by Jinan Tui Wa Import And Export Trading Company are brand-new authentic Caterpillar factory machines. Every 7 ton mini digger comes with complete original factory test reports, serial number certificates and factory warranty papers. We never sell refurbished, assembled or counterfeit CAT compact crawler excavator, you can check the machine serial number on official Caterpillar global system for authenticity verification.
Q2: What is the fuel consumption of the CAT 307 excavator during daily construction work?
A2: This Caterpillar small construction excavator adopts CAT C2.4 energy-saving diesel engine. Under normal medium-load digging work, the average fuel consumption of the 7 ton mini digger is 4.5–6 liters per hour. With built-in intelligent energy-saving mode of CAT 307 hydraulic digger, fuel consumption can drop to 3.8–5 L/h under light-load landscaping and farm work, far more economical than same-tonnage second-hand compact excavators.
Q3: Is the CAT 307 excavator suitable for narrow-space landscaping and farm projects?
A3: Absolutely. The overall width of this 7 ton mini digger is only 2000mm, matched with swing boom design of CAT compact crawler excavator, it can flexibly pass narrow farm paths, backyard passages and indoor demolition sites. Small ground pressure design of CAT 307 hydraulic digger will not crush lawns, farmland and pavement, making it the ideal Caterpillar small construction excavator for landscaping, agricultural renovation and residential reconstruction jobs.
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