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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Komatsu DP61PX-15 EO crawler dozer specifications: type Crawler Dozer, horsepower 126.8 kW, operating weight 15621.7 kg, pump flow 54.9 LPM.
| Specification | Metric | Imperial |
|---|---|---|
| Type | Crawler Dozer | |
| Horsepower | 126.8 kW | 170 HP |
| Operating Weight | 15621.7 kg | 34440 lbs |
| Pump Flow | 54.9 LPM | 14.5 GPM |
| Engine Manufacturer | Komatsu | |
| Engine Model | SAA6D107E-1 | |
| Gross Power | 126.8 kW | 170 HP |
| Net Power | 125.3 kW | 168 HP |
| Number of Cylinders | 6 | |
| Displacement | 109.8 cc | 6.7 cu in. |
| Power Measured RPM | 1850 RPM | |
| Transmission Type | Torqflow | |
| Number of Forward Gears | 3 | |
| Number of Reverse Gears | 3 | |
| Max Speed Forward | 8.7 km/h | 5.4 mph |
| Max Speed Reverse | 8.7 km/h | 5.4 mph |
| Ground Pressure | 0.3 bar | 4.9 psi |
| Fuel Capacity | 389.9 l | 103 gal |
| Engine Oil Capacity | 29.1 l | 7.7 gal |
| Cooling System Capacity | 32.2 l | 8.5 gal |
| Hydraulic Capacity | 1.1 l | 0.3 gal |
| Final Drives Capacity | 28.4 l | 7.5 gal |
| Pump type | Plunger-type | |
| Hydraulic Pump Flow | 54.9 LPM | 14.5 GPM |
| Relief Valve Pressure | 206.2 bar | 2990 psi |
| Track Gauge | 213.4 cm | 84.0 in. |
| Ground Contact Area | 138487.4 cm³ | 8451 cu in. |
| No of Shoes Per Side | 46 | |
| No of Track Rollers Per Side | 8 | |
| Shoe Size | 86.4 cm | 34 in. |
| Weight (Operating) | 15621.7 kg | 34440 lbs |
| Track Pitch | 26.7 cm | 10.5 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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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.
A contractor’s guide to bulldozer rental covering how size and specs affect rates, what delivery costs, and how to pick the right dozer, plus a spec table from finish dozers to D11.
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