The 2005 Caterpillar D6N XL is a highly regarded medium-sized crawler dozer, valued for its balance of dozing strength, grading precision, and easy transportability. The XL (extra long) version provides enhanced stability and optimal weight distribution for versatility across construction, site prep, and utility applications.
Key Features
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Engine: Cat 3126B DITAAC (inline-6, turbocharged diesel)
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Net Power: 145 hp (108 kW) @ 2,200 rpm
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Displacement: 439 cu in (7.2 L)
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Transmission: Powershift, 3 forward / 3 reverse speeds
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Blade: VPAT (Variable Power Angle Tilt), XL configuration
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Cab: ROPS/FOPS certified, available with heat and A/C
Main Specifications
| Category |
D6N XL Value |
| Operating Weight |
~36,400–38,800 lbs (16,507–17,600 kg)
|
| Engine Model |
Cat 3126B DITAAC (2005) |
| Net Power |
145 hp (108 kW)
|
| Transmission |
Powershift, 3 fwd/rev |
| Fuel Capacity |
79 gal (299 L)
|
| Hydraulic System |
~8 gal (30 L) |
| Shoe Width (XL) |
24 in (610 mm)
|
| Track Gauge (XL) |
74.4 in (1,890 mm) |
| Ground Pressure (XL) |
~6.7–7.4 psi
|
| Blade Width (VPAT XL) |
~10.8 ft (3.3 m) |
| Blade Capacity |
4.2–5.6 yd³ (3.2–4.3 m³)
|
| Overall Width (w/ blade) |
~11 ft (3.35 m) |
| Height (top of cab) |
10.2 ft (3.11 m)
|
| Length (nose to ripper) |
~18.6 ft (5.67 m) |
Performance
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Max Forward Speed: 6.3 mph (10.2 km/h)
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Max Reverse Speed: 7.5 mph (12 km/h)
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Drawbar Pull: Up to 47,480 lbf (211.2 kN)
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Ground Clearance: ~1 ft (300 mm) at center
Undercarriage
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Shoes per Side: 40
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Track Rollers per Side: 7
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Track Contact Length: 102.6 in (2,605 mm)
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Ground Contact Area: 5,518 in² (3.56 m²)
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Grouser Height: 2.6 in (66 mm)
Attachments & Options
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VPAT blade: For grading/finish work
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Rear ripper (optional): Fixed parallelogram, 3 shanks, max penetration 20.2 in (514 mm)
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Winch (optional): For pulling operations
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Cab packages: Air conditioning, deluxe seat, advanced monitoring
Typical Uses
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General earthmoving and road construction
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Finish grading and slope work
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Utility and landfill applications
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Site development
Market Context
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Durability: Renowned for solid frame, reliable drivetrain, and long-term component life.
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Value: Highly sought after in used equipment markets due to combination of power, precision, and manageable weight for transport.
The 2005 Caterpillar D6N XL delivers a balance of pushing power, efficient grading, and versatility for contractors and fleets seeking dependable dozing capability in a medium-sized platform.
