Maintenance6 min read
Bulldozer Undercarriage and Blade Maintenance, Checks and Costs
A practical field ready guide to dozer undercarriage and blade care, with daily checks, track tension, wear cues, and building your own cost per hour.
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SPECS / CRAWLER DOZERS
Caterpillar D8N Specs
Caterpillar D8N crawler dozer specifications: type Crawler Dozer, horsepower 228.2 kW, operating weight 37462.0 kg, pump flow 240.4 LPM.
Manufacturer specifications
| Specification | Metric | Imperial |
|---|---|---|
| Type | Crawler Dozer | |
| Horsepower | 228.2 kW | 306 HP |
| Operating Weight | 37462.0 kg | 82589.6 lbs |
| Pump Flow | 240.4 LPM | 63.5 GPM |
| Engine Manufacturer | Caterpillar | |
| Engine Model | 3406 C | |
| Gross Power | 228.2 kW | 306 HP |
| Net Power | 212.5 kW | 285 HP |
| Aspiration | Turbocharged with aftercooled | |
| Number of Cylinders | 6 | |
| Displacement | 14600.9 cc | 891 cu in. |
| Power Measured RPM | 2100 RPM | |
| Alternator Supplied Amp. | 50 A | |
| Alternator | 50 A | |
| Battery | 24 V | |
| Transmission Type | Planetary powershift | |
| Number of Forward Gears | 3 | |
| Number of Reverse Gears | 3 | |
| Max Speed Forward | 10.9 km/h | 6.8 mph |
| Max Speed Reverse | 14.0 km/h | 8.7 mph |
| Ground Pressure | 1.0 bar | 14.6 psi |
| Fuel Capacity | 488.3 l | 129 gal |
| Engine Oil Capacity | 37.1 l | 9.8 gal |
| Cooling System Capacity | 74.2 l | 19.6 gal |
| Hydraulic Capacity | 70.0 l | 18.5 gal |
| Final Drives Capacity | 14.0 l | 3.7 gal |
| Hydraulic Pump Flow | 240.4 LPM | 63.5 GPM |
| Relief Valve Pressure | 241.3 bar | 3500 psi |
| Cab Height | 344.4 cm | 135.6 in. |
| Width Over Track | 265.2 cm | 104.4 in. |
| Length Overall | 627.9 cm | 247.2 in. |
| Length without Blade | 496.8 cm | 195.6 in. |
| Length of Track on Ground | 320.0 cm | 126.0 in. |
| Track Gauge | 210.3 cm | 82.8 in. |
| Ground Clearance | 54.9 cm | 21.6 in. |
| Ground Contact Area | 91441.7 cm³ | 5580.1 cu in. |
| No of Shoes Per Side | 44 | |
| No of Track Rollers Per Side | 8 | |
| Shoe Size | 56.1 cm | 22.1 in. |
| Weight (Operating) | 37462.0 kg | 82589.6 lbs |
| Track Pitch | 21.6 cm | 8.5 in. |
Source: heavyequipments.net archive (imported 2026-10). Values may vary by variant and production year; seller claims are shown separately on the listing page.
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