Used Caterpillar D8RBulldozer

Reading: 15

📌 1. OVERVIEW

Item	Detail
Manufacturer	Caterpillar Inc.
Model	D8R
Series	D8 Track-Type Tractor
"R" Designation	Remanufactured (rebuilt with new/remanufactured components)
Class	Large Dozer (one of Cat's largest production dozers)
Successor To	D8N
Primary Use	Heavy earthmoving, demolition, mining, land clearing, waste management

The D8R is one of the most powerful and productive dozers in Caterpillar's lineup, designed for the toughest jobs on construction and mining sites worldwide.

📌 2. ENGINE

Specification	Detail
Engine Model	Cat® C18 ACERT®
Type	6-cylinder inline, turbocharged & aftercooled diesel
Displacement	18.1 L (1,104 in³)
Rated Power	615 hp (459 kW) @ 1,800 rpm
Maximum Torque	1,852 lb·ft (2,511 N·m) @ 1,400 rpm
Emissions	EPA Tier 4 Final / EU Stage V (using SCR + DPF)
Fuel Tank Capacity	~400 L (105.7 gal)

The C18 ACERT delivers massive torque at low RPM, ideal for heavy ripping and pushing operations.

📌 3. TRANSMISSION & DRIVETRAIN

Specification	Detail
Transmission Type	Power Shift
Speeds	6 Forward / 6 Reverse
Top Speed (Forward)	~7.4 mph (11.9 km/h)
Top Speed (Reverse)	~8.1 mph (13.0 km/h)
Final Drive	Sealed & Lubricated (SAL) planetary final drives
Steering	Dual hydrostatic power steering (Clutch & Brake steering on some configs)

📌 4. UNDERCARRIAGE

Specification	Detail
Track Type	Triple Grouser (TG) shoes — standard
Track Shoe Width	30 in (762 mm)
Number of Shoes per Side	41
Ground Bearing Length	~14.7 ft (4,480 mm)
Ground Pressure	~10.8 psi (74.5 kPa)

The wide triple grouser shoes provide excellent traction and low ground pressure, even in soft/muddy conditions.

📌 5. BLADE & RIPPER CONFIGURATIONS

Blade Type	Capacity	Application
S-Blade (Standard)	~16.3 yd³ (12.5 m³)	General earthmoving, finishing
U-Blade (Universal)	~19.3 yd³ (14.8 m³)	High-volume pushing, stockpiling
Semi-U Blade	~15.3 yd³ (11.7 m³)	Carrying material, snow removal
PAT Blade (Power Angle Tilt)	~16.3 yd³ (12.5 m³)	Precision grading, finishing
Ripper (Single Shank)	Up to ~55 yd³ (42 m³)	Breaking hardpan, rock, frozen ground

Ripper Specs	Detail
Shanks	Single shank (standard) / Multi-shank optional
Max Depth	Up to ~36 in (914 mm)
Number of Teeth	3 (adjustable)
Ripper Force	~74,000 lbf (329 kN)

📌 6. HYDRAULIC SYSTEM

Specification	Detail
Implement Pump Flow	~85 gpm (322 L/min)
Steering Pump Flow	~38 gpm (144 L/min)
System Pressure	5,075 psi (35,000 kPa)
Lift Capacity (at pin)	~37,000 lbf (164.6 kN)
Blade Lift Speed	~12 seconds (full lift)

📌 7. OPERATING WEIGHT & DIMENSIONS

Specification	Detail
Operating Weight (with S-Blade)	~115,000–118,000 lbs (52,163–53,524 kg)
Operating Weight (with U-Blade)	~117,000–120,000 lbs (53,070–54,431 kg)
Operating Weight (with Ripper)	~118,000–121,000 lbs (53,524–54,885 kg)
Length (with S-Blade)	~25.7 ft (7.8 m)
Width (over tracks)	~12.6 ft (3.8 m)
Height (to top of ROPS)	~12.6 ft (3.8 m)

📌 8. OPERATOR STATION & COMFORT

Feature	Detail
Cab Type	ROPS/FOPS certified, pressurized
Climate Control	Full air conditioning & heating
Seat	Air-suspended, heated, with armrests
Display	Large LCD monitor with VIMS™ 3G (Vital Information Management System)
Controls	Joystick-style levers (pilot controls optional)
Sound Level	~72 dB(A) inside cab
Visibility	Excellent all-around visibility, rear-view camera standard

📌 9. TECHNOLOGY & SMART FEATURES

Technology	Description
🖥️ Cat Grade with 2D/3D	GPS-based blade control for precision grading (±15 mm accuracy)
🤖 Automatic Blade Control	Semi-automatic grading reduces operator fatigue
📡 Cat Product Link™	Remote machine monitoring, diagnostics, and fleet management
🔗 VisionLink®	Cloud-based fleet management platform
🛡️ Cat Detect with Person Detection	Radar-based safety system that detects people near the machine and can slow/stop automatically
🔧 VIMS 3G	Real-time engine and machine health monitoring
📹 Rearview Camera	Standard on all models
🔦 LED Work Lights	Excellent nighttime visibility

📌 10. APPLICATIONS

Industry	Use Case
🏗️ Heavy Construction	Road building, site preparation, land grading
⛏️ Mining & Quarrying	Overburden removal, push loading, ripping
🌳 Land Clearing	Tree pushing, brush clearing, site prep
🏚️ Demolition	Building demolition, rubble pushing
🛢️ Pipeline Construction	Trenching, backfilling, right-of-way clearing
🗑️ Waste Management	Landfill compaction, waste pushing
❄️ Snow Removal	Large-scale snow clearing (with S-blade)

📌 11. KEY ADVANTAGES

✅ Advantage	Description
Massive Power	615 hp — one of the most powerful dozers available
Exceptional Productivity	Large blade + high power = fast cycle times
Durability	Built for 24/7 operation in extreme conditions
Low Operating Cost	Remanufactured "R" models offer significant savings vs. new
Advanced Technology	Grade control, safety systems, telematics
Versatility	Blade, ripper, winch, and various attachments available
Resale Value	Cat dozers hold exceptional resale value

📌 12. D8R vs D8N vs D8T Comparison

Feature	D8R (Reman)	D8N (New)	D8T (Current New)
Engine	C18 ACERT	C18 ACERT	C18 ACERT
Power	615 hp	615 hp	615 hp
Status	Remanufactured	Discontinued	Current Production
Price	💰💰 (Lower)	💰💰💰 (Higher)	💰💰💰 (Highest)
Warranty	Cat Reman Warranty	Full Cat Warranty	Full Cat Warranty
Availability	High (readily available)	Low	Standard

💡 The D8R is often the best value choice — you get nearly the same performance as a new D8N/D8T at a significantly lower price.

📌 13. PRICING (Approximate — 2024 Market)

Condition	Price Range (USD)
D8R (Remanufactured)	$350,000 – $500,000+
D8N (Used/New Old Stock)	$400,000 – $600,000+
D8T (Brand New)	$700,000 – $900,000+

Prices vary based on condition, hours, configuration, location, and attachments.

🏁 SUMMARY

The Caterpillar D8R is a workhorse heavy dozer delivering 615 horsepower, massive blade capacity, and unmatched durability. Whether you're ripping rock, pushing thousands of cubic yards of earth, or demolishing structures, the D8R handles it all. As a remanufactured machine, it offers the legendary Cat quality and performance at a fraction of the cost of a new unit — making it one of the smartest investments in heavy equipment.

Would you like more details on any specific aspect — such as maintenance, attachment options, or comparison with competitors like Komatsu D475A or John Deere 850K? 🚜