Used Caterpillar 336DExcavator

Reading: 15

📌 1. OVERVIEW

Parameter	Details
Manufacturer	Caterpillar Inc.
Series	D Series (2nd Generation)
Class	Medium-to-Large Excavator (~36-ton class)
Production Years	~2007 – 2014 (succeeded by 336D2 / 336 GC)
Predecessor	CAT 336C
Successor	CAT 336D2 → CAT 336 (Next Gen, 2019+)

The CAT 336D is one of the most popular and widely used mid-size excavators in the world, known for its versatility, durability, and fuel efficiency. It is a workhorse in construction, mining, road building, and demolition.

& 2. ENGINE & POWER

Specification	Details
Engine Model	Cat C7.1 ACERT®
Type	6-cylinder, inline, turbocharged diesel
Displacement	7.1 liters
Rated Power	~190–205 hp (142–153 kW) @ 2,000 rpm
Torque	~700 Nm (516 lb-ft) @ 1,400 rpm
Emissions	EPA Tier 3 / EU Stage IIIA (ACERT technology)
Fuel Tank	~480 L (127 gal)
Fuel Consumption	~20–28 L/hr (varies by application)

✅ The ACERT (Advanced Combustion Efficiency Reduction Technology) system reduces emissions while improving fuel economy and performance.

📐 3. DIMENSIONS & WEIGHT

Specification	Details
Operating Weight	~36,400 kg (80,250 lbs)
Transport Weight	~35,600 kg (78,500 lbs)
Boom Length (Standard)	5,860 mm (19'3")
Stick Length (Standard)	2,950 mm (9'8")
Overall Length (w/ bucket)	~10,400 mm (34'1")
Overall Height (to cab top)	~3,120 mm (10'3")
Track Gauge	Adjustable: 2,490 – 3,190 mm (8'2" – 10'6")
Ground Pressure	~47 kPa (6.8 psi)

🪣 4. PERFORMANCE (DIGGING SPECIFICATIONS)

Specification	Details
Max Digging Depth	~7,000 mm (23'0")
Max Reach (Ground Level)	~9,800 mm (32'2")
Max Digging Height	~9,600 mm (31'6")
Max Dump Height	~6,700 mm (22'0")
Bucket Capacity Range	0.7 – 2.0 m³ (0.9 – 2.6 cu yd)
Swing Speed	~10.5 rpm
Swing Torque	~150 kNm
Travel Speed	5.3 km/h (3.3 mph)
Gradeability	70% (35°)
Max Drawbar Pull	~170 kN (38,200 lbf)

🔧 5. HYDRAULIC SYSTEM

Feature	Details
System Type	Load-Sensing, Variable Displacement Pump
Max System Pressure	350 bar (5,076 psi)
Hydraulic Flow	~2 × 290 L/min (dual pump)
Auxiliary Flow	Up to ~100 L/min (for attachments)
Auxiliary Pressure	350 bar

🔩 The load-sensing hydraulic system matches pump output to demand, saving fuel and reducing heat generation.

🏗️ 6. CAB & OPERATOR COMFORT

Feature	Details
Certification	ROPS / FOPS (Rollover & Falling Object Protection)
Air Conditioning	✅ Standard
Heater	✅ Standard
Seat	Air-suspension, fully adjustable
Display	LCD monitor with machine info, diagnostics
Controls	Electronic joystick with programmable buttons
Sound Level	~72 dB(A) (relatively quiet for its class)
Visibility	Excellent all-round visibility with large windows

📡 7. TECHNOLOGY & ELECTRONICS

Technology	Description
Cat Product Link™	Telematics — remote monitoring of location, fuel, hours, diagnostics
Cat Vision™ (Optional)	3D GPS machine control for precision grading & digging
Cat Grade with 2D (Optional)	Basic GPS grading system
Electronic Throttle Control	Optimizes engine speed for fuel efficiency
Auto-Idle	Engine reduces RPM when idle to save fuel
On-Board Diagnostics	Real-time fault codes and maintenance alerts
Anti-Theft	Cat Security (immobilizer)

🛤️ 8. UNDERCARRIAGE

Component	Details
Type	Steel tracks with adjustable gauge
Track Width	600 mm (24") shoes
Number of Rollers	5 per side (top) + 12 per side (bottom)
Track Adjustment	Hydraulic (from cab)
Lifetime	~3,000 – 5,000 hours (depends on conditions)

🔄 9. BOOM & STICK CONFIGURATIONS

Configuration	Boom	Stick	Use Case
Standard	5,860 mm	2,950 mm	General excavation
Long Reach	6,400 mm	3,200 mm	Deep digging, dredging
Demolition	5,860 mm	2,400 mm	Tight spaces, breakers
Heavy Duty	5,860 mm	2,950 mm (reinforced)	Mining, quarrying
Two-Piece Boom	Available	—	Easy transport

🏗️ 10. COMMON ATTACHMENTS

Attachment	Application
🪣 Standard Bucket	General digging
🔨 Hydraulic Breaker (Hammer)	Demolition, rock breaking
🦷 Ripper (Single/Multi-shank)	Hard ground, frozen soil
' Shear / Grapple	Scrap metal, demolition
🪓 Thumb (Hydraulic)	Material handling, pipe
🔄 Rotating Grapple	Log handling, sorting
🔩 Pile Driver	Foundation work
🧹 Tiltrotator	Versatile attachment switching
❄️ Quick Coupler	Fast attachment change

🆚 11. COMPARISON: 336D vs 336D2 vs 336 (Next Gen)

Feature	336D	336D2 (GC)	336 (Next Gen)
Engine	C7.1 ACERT	C7.1 ACERT	C7.1 ACERT (updated)
Power	190 hp	205 hp	210 hp
Weight	36,400 kg	36,900 kg	37,000 kg
Cab	Standard	Improved	Next-Gen cab
Tech	Product Link	Product Link + Vision	Product Link + Vision + Payload
Year	2007–2014	2014–2019	2019–Present

💰 12. APPROXIMATE PRICING (Used Market, 2024)

Condition	Price Range (USD)
Good (5,000–8,000 hrs)	$85,000 – $120,000
Excellent (3,000–5,000 hrs)	$120,000 – $160,000
New (if available)	$200,000 – $250,000+

⚠️ Prices vary significantly by region, condition, hours, and attachments.

✅ 13. KEY STRENGTHS (PROS)

✅ Strength	Details
💪 Reliability	Cat's legendary build quality — 10,000+ hour engines are common
&Fuel Efficient**	ACERT engine + load-sensing hydraulics save 10-15% fuel vs older models
🔧 Easy Maintenance	Ground-level service points, long service intervals (500 hr)
📦 Parts Availability	Global Cat dealer network — parts available worldwide
🔄 Resale Value	Excellent residual value — one of the best in class
🎯 Versatility	20+ attachment options for any job
📡 Smart Technology	Product Link, Vision, grade control ready

⚠️ 14. LIMITATIONS (CONS)

❌ Limitation	Details
💰 High Purchase Price	More expensive than some competitors (Komatsu PC360, Volvo EC360)
🔧 Specialized Service	Requires Cat-trained technicians (higher labor cost)
📏 Size	May be too large for very tight urban jobs
⚖️ Weight	Transport costs can be high

🏁 15. SUMMARY

Category	Rating
Power	⭐⭐⭐⭐
Fuel Efficiency	⭐⭐⭐⭐⭐
Durability	⭐⭐⭐⭐⭐
Operator Comfort	⭐⭐⭐⭐
Technology	⭐⭐⭐⭐
Resale Value	⭐⭐⭐⭐⭐
Overall	🏆 One of the best mid-size excavators ever made

🎯 The CAT 336D is a proven, reliable, and highly productive machine that has earned its reputation as one of the best-selling excavators in the 30–40 ton class worldwide. Whether you're digging foundations, breaking concrete, or loading trucks — the 336D delivers power, precision, and peace of mind.

Would you like me to compare it with a specific competitor (Komatsu PC360, Volvo EC360, Hitachi ZX360) or go deeper into any specific area? 🚜