Used Caterpillar 307.5Excavator

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The CAT 307.5 CR (Compact Radius) is a next-generation mini hydraulic excavator from Caterpillar, part of the 3-tonne class lineup. It replaced the popular 307 CR and offers improved performance, fuel efficiency, and operator comfort.

📐 1. GENERAL OVERVIEW

Specification	Details
Model	CAT 307.5 CR
Class	Mini Excavator (7-tonne class)
Manufacturer	Caterpillar Inc.
Production	Next-Gen (launched ~2022+)
Application	Landscaping, utility, construction, demolition, pipeline work

& 2. ENGINE & POWER

Spec	Details
Engine Model	Cat® C2.2 ACERT® Diesel
Type	3-Cylinder, Turbocharged, Aftercooled
Displacement	2.2 Liters
Net Power	40.1 HP (29.9 kW) @ 2,200 rpm
Emissions	Stage V / EPA Tier 4 Final (or equivalent)
Fuel Tank	~66 L (17.4 gal)
Fuel Efficiency	~15–20% improvement over 307 CR

📏 3. DIMENSIONS & WEIGHT

Spec	Metric	Imperial
Operating Weight	~7,500 kg	~16,535 lbs
Transport Length	~6,150 mm	~20.2 ft
Transport Height	~2,600 mm	~8.5 ft
Transport Width	~2,190 mm	~7.2 ft
Ground Clearance	~360 mm	~14.2 in
Tail Swing Radius	~1,370 mm	~54 in

✅ Compact Radius (CR) design = zero tail swing — ideal for tight spaces!

🏗️ 4. DIGGING PERFORMANCE

Spec	Metric	Imperial
Max Digging Depth	~4,210 mm	~13.81 ft
Max Reach (Ground Level)	~7,530 mm	~24.70 ft
Max Digging Height	~6,970 mm	~22.87 ft
Max Dump Height	~4,880 mm	~16.01 ft
Max Digging Force	~34.3 kN	~7,711 lbf
Bucket Capacity	0.16 – 0.30 m³	0.21 – 0.39 yd³
Bucket Width	600 mm (24 in)	—

🔧 5. HYDRAULIC SYSTEM

Spec	Details
System Pressure	350 bar (5,076 psi)
Hydraulic Flow	~90 L/min (23.8 gpm)
Auxiliary Flow (High)	~55 L/min (14.5 gpm)
Auxiliary Flow (Low)	~35 L/min (9.2 gpm)
Travel Speed	~4.5 km/h (2.8 mph)

🪑 6. OPERATOR CAB & COMFORT

Feature	Details
Cab Type	Enclosed ROPS/FOPS certified cab
Air Conditioning	✅ Standard
Heated Seat	✅ Available
Suspension Seat	✅ Available
Display	7" (178 mm) LCD touchscreen monitor
Controls	Pilot-operated joysticks with pattern changer
Noise Level	~73 dB(A) — quieter than predecessor
Visibility	Excellent all-round visibility

🛡️ 7. SAFETY & TECHNOLOGY

Feature	Description
🔒 Cat GRADE Ready	2D/3D grade control ready
📡 Cat Product Link™	Remote machine monitoring & diagnostics
🖥️ Cat VisionLink	Fleet management & telematics
🚧 Rear/Side Camera	Available for improved visibility
🛑 Anti-Tip Protection	Built-in
🔧 Anti-Theft System	Cat Security (PIN-code start)
🤖 Auto-Idle	Engine auto-shutdown when idle to save fuel

🔄 8. ATTACHMENTS & VERSATILITY

The 307.5 CR supports quick-coupler systems and a wide range of attachments:

Attachment	Use
🪣 Buckets	General digging (150mm – 600mm)
🔨 Hydraulic Breaker	Demolition, rock breaking
🔩 Hydraulic Thumb	Pipe, log, debris handling
🚜 Auger	Post hole drilling
🪵 Grapple	Log/debris handling
🧹 Rake	Leveling, cleaning
🏗️ Compactor Plate	Soil compaction
🔄 Tiltrotator	360° rotation of attachment

✅ 9. KEY ADVANTAGES

Advantage	Detail
🏆 Zero Tail Swing	Works in tight urban environments
⛽ Fuel Efficient	~15-20% less fuel vs. 307 CR
🔇 Quiet Operation	Lower noise for urban use
📊 Smart Tech	Product Link, VisionLink, Grade ready
🛠️ Easy Service	Ground-level service points, long service intervals (500/1000 hrs)
💪 Strong Digging	34+ kN dig force for its class
🚚 Transportable	Fits on standard trailer, no special permits in many regions

📊 10. COMPARISON: 307.5 CR vs 307 CR (Predecessor)

Feature	307 CR	307.5 CR ✅
Engine	C1.8 ACERT (30 HP)	C2.2 ACERT (40 HP)
Operating Weight	~7,200 kg	~7,500 kg
Max Dig Depth	~4,000 mm	~4,210 mm
Fuel Efficiency	Baseline	~15-20% better
Display	Basic LCD	7" Touchscreen
Emissions	Tier 4 Final	Stage V / Tier 4 Final
Noise	~76 dB	~73 dB

💰 11. APPROXIMATE PRICING (2024)

Region	Estimated Price (USD)
🇺🇸 North America	$65,000 – $85,000
🇪🇺 Europe	€60,000 – €80,000
🌏 Asia-Pacific	$55,000 – $75,000

(Price varies by configuration, attachments, and dealer)

🎯 12. IDEAL APPLICATIONS

Industry	Use Case
🏙️ Urban Construction	Tight-space excavating, utilities
🌿 Landscaping	Grading, planting, trenching
🔌 Utilities	Pipe laying, cable installation
🏠 Residential	Foundation work, septic, driveway
🏗️ Demolition	Small-scale demolition with breaker
🌾 Agriculture	Drainage, fence lines, pond digging

🏁 SUMMARY


Rating	⭐⭐⭐⭐⭐ (5/5 in mini excavator class)
Best For	Contractors needing a compact, powerful, tech-savvy mini excavator
Competitor	Kubota KX057, John Deere 55G, Komatsu PC78US-11

The CAT 307.5 CR is essentially one of the best-in-class mini excavators in the 7-tonne segment — combining power, efficiency, technology, and versatility in a compact, zero-tail-swing package. 🚜💪

Would you like more details on any specific aspect (pricing in your region, comparison with competitors, attachment options, etc.)?