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.

Case 850L LGP crawler dozer specifications: type Crawler Dozer, horsepower 74.0 kW, operating weight 9402.0 kg, pump flow 76.8 LPM.
| Specification | Metric | Imperial |
|---|---|---|
| Type | Crawler Dozer | |
| Horsepower | 74.0 kW | 99.3 HP |
| Operating Weight | 9402.0 kg | 20727.9 lbs |
| Pump Flow | 76.8 LPM | 20.3 GPM |
| Engine Manufacturer | Case | |
| Engine Model | 667 TA/E66 | |
| Gross Power | 74.0 kW | 99.3 HP |
| Net Power | 72.0 kW | 96.6 HP |
| Emission | Tier 3 | |
| Number of Cylinders | 6 | |
| Displacement | 6700.7 cc | 408.9 cu in. |
| Max Torque | 435.2 N-m | 321 lbs/ft |
| Power Measured RPM | 2000 RPM | |
| Torque Measured RPM | 1400 RPM | |
| Alternator Supplied Amp. | 90 A | |
| Alternator | 90 A | |
| Battery | 12 V | |
| Transmission Type | Hydrostatic | |
| Number of Forward Gears | 4 | |
| Number of Reverse Gears | 4 | |
| Max Speed Forward | 9.8 km/h | 6.1 mph |
| Max Speed Reverse | 9.8 km/h | 6.1 mph |
| Ground Pressure | 0.3 bar | 4.1 psi |
| Fuel Capacity | 189.6 l | 50.1 gal |
| Engine Oil Capacity | 15.1 l | 4 gal |
| Cooling System Capacity | 26.9 l | 7.1 gal |
| Hydraulic Capacity | 75.7 l | 20 gal |
| Final Drives Capacity | 14.4 l | 3.8 gal |
| Hydraulic Pump Flow | 76.8 LPM | 20.3 GPM |
| Relief Valve Pressure | 206.8 bar | 3000 psi |
| Cab Height | 277.4 cm | 109.2 in. |
| Width Over Track | 249.9 cm | 98.4 in. |
| Length Overall | 442.0 cm | 174.0 in. |
| Length of Track on Ground | 237.7 cm | 93.6 in. |
| Track Gauge | 158.5 cm | 62.4 in. |
| Ground Clearance | 39.6 cm | 15.6 in. |
| Ground Contact Area | 84837.7 cm³ | 5177.1 cu in. |
| No of Carrier Rollers Per Side | 1 | |
| No of Shoes Per Side | 40 | |
| No of Track Rollers Per Side | 7 | |
| Shoe Size | 71.1 cm | 28 in. |
| Weight (Operating) | 9402.0 kg | 20727.9 lbs |
| Track Pitch | 17.3 cm | 6.8 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 practical guide to bulldozer types, blade choices, and size classes. Real specs span compact finish graders to the Cat D11 dozer class.
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