Used Caterpillar 307E2Excavator

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📌 1. OVERVIEW

Parameter	Details
Manufacturer	Caterpillar Inc.
Model	307E2
Series	E2 Series (2nd Generation E-Series)
Class	Mini / Compact Excavator (~7-ton class)
Introduced	~2011 (replaced the 307E)
Primary Use	Utility work, landscaping, small construction, trenching, infrastructure

The Cat 307E2 is one of the most popular mini excavators in the world, known for its reliability, versatility, and compact size. It's designed for tight job sites where larger machines can't operate.

📌 2. ENGINE SPECIFICATIONS

Specification	Detail
Engine Model	Cat® C3.3B DI Turbo
Type	4-cylinder, inline diesel
Displacement	3.3 liters (201 cu in)
Power Output	55 HP (41 kW) @ 2,200 rpm
Emissions	EPA Tier 4 Final / EU Stage IV
Fuel System	Direct Injection (DI) + Turbocharged & Aftercooled
Fuel Tank Capacity	~120 L (31.7 gal)
Cooling System	Pressurized, auto-reversing fan

✅ The engine is fuel-efficient and meets the strictest global emissions standards.

📌 3. OPERATING WEIGHT & DIMENSIONS

Specification	Metric	Imperial
Operating Weight	~7,010 kg (15,454 lbs)	—
Transport Length	5,850 mm	19.2 ft
Transport Height	2,570 mm	8.4 ft
Transport Width	2,240 mm	7.3 ft
Ground Clearance	~400 mm	15.7 in
Tail Swing Radius	~1,520 mm	5.0 ft
Undercarriage Width	1,400 – 1,800 mm (adjustable)	4.6 – 5.9 ft

📌 4. HYDRAULIC SYSTEM

Specification	Detail
Pump Type	Variable displacement piston pump
Max Operating Pressure	~210 bar (3,045 psi)
Hydraulic Flow	~110 L/min (29 gpm)
Auxiliary Hydraulics	2 circuits, flow-shared
Swing Type	360° continuous rotation
Swing Speed	~10 rpm

📌 5. DIGGING PERFORMANCE ⭐

Performance	Metric	Imperial
Max Digging Depth	4,240 mm	13.9 ft
Max Reach (Ground Level)	5,790 mm	19.0 ft
Max Vertical Wall Dig	3,180 mm	10.4 ft
Max Dumping Height	4,600 mm	15.1 ft
Max Digging Reach	6,020 mm	19.8 ft
Max Breakout Force	~35 kN (7,868 lbf)	—
Max Arm Crowd Force	~25 kN (5,620 lbf)	—

📌 6. BUCKET CAPACITY

Bucket Type	Capacity (m³)	Capacity (cu yd)
Standard	0.16 – 0.26 m³	0.21 – 0.34 cu yd
Narrow (600mm)	0.10 – 0.15 m³	0.13 – 0.20 cu yd
Grading	0.30 m³	0.39 cu yd
Thumb Ready	✅ Yes	—
Coupler Ready	✅ Yes (Hydraulic quick coupler)	—

📌 7. TRAVEL PERFORMANCE

Specification	Detail
Max Travel Speed	4.7 km/h (2.9 mph)
Gradeability	70% (35°)
Track Type	Rubber tracks (standard) / Steel tracks (optional)
Track Width Options	400mm, 450mm, 500mm, 600mm

📌 8. CAB & OPERATOR COMFORT 💺

The 307E2 features Caterpillar's ergonomic cab design:

Feature	✅ Included
ROPS/FOPS Certified	✅
Air Conditioning	✅
Heated Seat	✅ (Optional in some markets)
Suspension Seat	✅
Adjustable Controls	✅ (Joystick + Pedals)
Radio / Bluetooth	✅
Cup Holders & Storage	✅
Rearview Camera	✅ (on select configs)
7" LCD Monitor	✅ (Diagnostics + Rearview)
LED Work Lights	✅
Reduced Noise Level	~73 dB(A)

📌 9. KEY FEATURES & HIGHLIGHTS

Feature	Description
🔄 360° Swing	Full house swing for maximum flexibility
🔧 Easy Service Access	Ground-level access to filters, drains, and check points
⚡ Eco Mode	Reduces engine RPM when idle — saves fuel up to 15%
🎛️ Smooth Controls	Proportional hydraulic controls for precision work
🔌 Aux Hydraulics	Powers hammers, augers, grapples, breakers
🛡️ Durability	Reinforced undercarriage, heavy-duty boom/arm
📱 Cat Product Link™	Remote machine monitoring & diagnostics
🔩 Coupler Ready	Switch attachments in seconds (no pins)

📌 10. COMMON ATTACHMENTS

Attachment	Use Case
🪣 Bucket (200–600mm)	General digging
🔨 Hydraulic Breaker	Demolition, concrete breaking
🔩 Auger / Drill	Post holes, fence installations
🦷 Grapple	Log handling, debris sorting
🪓 Thumb	Grappling, loading trucks
🪥 Sweeper	Road cleaning
🔧 Tiltrotator	360° attachment rotation
❄️ Snow Blade	Snow removal (winter)

📌 11. COMPARISON WITH COMPETITORS

Model	Weight	Engine HP	Max Dig Depth
Cat 307E2 ⭐	7,010 kg	55 HP	4.24 m
Komatsu PC78US-11	7,850 kg	53 HP	4.27 m
John Deere 75G	7,480 kg	50 HP	4.12 m
Kubota KX080-4	7,860 kg	47 HP	4.24 m
Doosan DX75R-5	7,530 kg	52 HP	4.30 m

🏆 The 307E2 wins on fuel efficiency, resale value, dealer network, and parts availability.

📌 12. PRICING (Approximate, 2024)

Region	Price Range (USD)
🇺🇸 USA	$55,000 – $70,000
🇪🇺 Europe	€55,000 – €75,000
🇨🇳 China	¥380,000 – ¥480,000
🇮🇳 India	₹45 – ₹55 Lakhs

Prices vary by configuration, attachments, and market.

📌 13. SUMMARY — WHY CHOOSE THE 307E2?

✅ Pros	❌ Cons
Excellent fuel efficiency	Limited lift capacity vs. larger models
Huge global dealer & parts network	Premium purchase price
Very low maintenance costs	Cab can feel tight for tall operators
High resale value	No blade dozer option (unlike some competitors)
Extremely versatile attachments	—
Tier 4 Final — future-proof emissions	—

🏅 FINAL VERDICT

The Caterpillar 307E2 is arguably the best-selling mini excavator in the world for good reason. It delivers a perfect balance of power, efficiency, durability, and versatility in a compact package. Whether you're digging trenches, landscaping, breaking concrete, or installing utility lines — the 307E2 gets the job done reliably and profitably. 🏗️💪

Would you like me to go deeper into any specific area — like attachments, maintenance schedule, or a comparison with the newer 308/309 models? 🚜